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WO2007060777A1 - Dispositif d’ouverture/fermeture - Google Patents

Dispositif d’ouverture/fermeture Download PDF

Info

Publication number
WO2007060777A1
WO2007060777A1 PCT/JP2006/316703 JP2006316703W WO2007060777A1 WO 2007060777 A1 WO2007060777 A1 WO 2007060777A1 JP 2006316703 W JP2006316703 W JP 2006316703W WO 2007060777 A1 WO2007060777 A1 WO 2007060777A1
Authority
WO
WIPO (PCT)
Prior art keywords
opening
closing
closing body
scraper
support member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2006/316703
Other languages
English (en)
Japanese (ja)
Inventor
Koji Nakashima
Kazutaka Fujisawa
Tomonori Yamashita
Masaru Nagao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bunka Shutter Co Ltd
Original Assignee
Bunka Shutter Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2005337155A external-priority patent/JP4851168B2/ja
Priority claimed from JP2005338807A external-priority patent/JP4870417B2/ja
Priority claimed from JP2005369936A external-priority patent/JP4987293B2/ja
Application filed by Bunka Shutter Co Ltd filed Critical Bunka Shutter Co Ltd
Publication of WO2007060777A1 publication Critical patent/WO2007060777A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings

Definitions

  • the present invention relates to an opening / closing device that receives a scraper body rotatably by a support member on the lower side thereof, and winds and unwinds the opening / closing member by the rotating scraper body.
  • the present invention relates to an opening / closing device suitable as a shutter device.
  • a scraper body for winding and unwinding an open / close body (fireproof sheet 6) is provided.
  • a building shutter that is received from below by a support member (a pair of rollers 28, 28).
  • the torsion body (accepting part 4) receives a downward force, so that the torsion body (tolerance part 4) is compared with a structure in which the torsion body is supported only at both ends thereof. It is possible to prevent the center in the axial direction from being squeezed downward, which is particularly effective when the axial dimension of the scraper (trapping section 4) is relatively long.
  • the rotation center of the scraper is located directly above the center at which the distance between the rotation centers of these rollers is 1 Z2. If they do not match, the load will be biased to one of the rollers.
  • the outside of the opening / closing body wound around the scooping body is caused by the height variation of the plurality of supporting members.
  • the surface pressure between the peripheral surface and the support member may be different for each support member.
  • the opening / closing body sandwiched between the outer peripheral surface of the scraper and the support member is locally pressed and worn. There is a risk that the support member may be damaged or the durability of the support member may be reduced.
  • the opening / closing body (fireproof sheet 6) is provided with a passage for evacuation and the like, and a flexible sheet material door for opening and closing the passage.
  • Patent Document 1 JP 2000-303762 A
  • Patent Document 2 JP-A-10-201869
  • Patent Document 3 Japanese Patent Laid-Open No. 2001-82054
  • Patent Document 4 Japanese Patent Laid-Open No. 2001-82056
  • the present invention particularly aims to provide an opening / closing device that can prevent damage to the opening / closing body and a decrease in durability of the support member.
  • a first invention is a scooping body that opens and closes by opening and closing the opening / closing body, and a support member that receives the scooping body from the lower side so as to be rotatable.
  • an opening / closing device comprising: an elastic sheet interposed between the scooping body and the support member.
  • a mode in which the switchgear is used so as to perform only a closing operation for example, a shutter device that is closed only in an emergency for the purpose of smoke shield, flame shield, etc.
  • modes in which the opening / closing body is used to perform only the opening operation for example, a shutter device that is opened only for emergency purposes
  • the opening / closing body performs both the opening operation and the closing operation.
  • the opening / closing body includes an opening / closing body formed by connecting so-called slats in the opening / closing direction, an opening / closing body formed by arranging pipe members at predetermined intervals in the opening / closing direction, and a plurality of panel-like members.
  • Open / close bodies connected in the direction open / close bodies made of flexible sheet material, open / close bodies made by appropriately combining these slats, pipe materials, panel-like members, flexible sheet materials, etc.
  • the opening and closing body is also a flexible sheet material that has a viewpoint power such as light weight, and the flexible sheet material includes a synthetic resin material made of cloth, etc.
  • the flexible sheet material includes a synthetic resin material made of cloth, etc.
  • fire resistance including flame retardancy and non-flammability
  • it may be composed of a material having fire resistance or a material that has been made to have fire resistance. I like it.
  • the take-up body may be configured to wind the opening / closing body around the outer circumferential surface or to feed the opening / closing body wound around the outer circumferential surface by rotating.
  • This trimming body includes an aspect configured in a substantially cylindrical shape, an aspect configured in a substantially bowl-shaped shape, and the like.
  • the support member has a small friction coefficient in a surface shape and a material of a portion that contacts the scooping body and the opening / closing body wound around the scooping body.
  • the parts include a roller-like aspect that rotates by receiving the winding body and the opening / closing body wound around the winding body, and the opening / closing body wound around the winding body and the winding body. It includes a mode in which it is received from below and slid and rotated.
  • the elastic sheet may be a sheet-like member having elasticity in the thickness direction.
  • Specific examples of the material of the elastic sheet include rubber, elastic synthetic resin material, foam material, Or these composite materials etc. are mentioned.
  • a single elastic sheet may be provided between the scraper and the support member, or a plurality of elastic sheets may be provided in the thickness direction or the width direction.
  • the elastic sheet may be provided on the scraper, may be provided on the support member, or may be provided on the opening / closing body.
  • the second invention is characterized in that the elastic sheet is wound around an outer peripheral surface of the scraper.
  • the opening direction side portion of the opening / closing body is the cutting body.
  • An opening / closing device that is provided with at least one more turn with respect to the elastic sheet, wherein the elastic sheet is interposed between an outer peripheral surface of the scraper and the extra winding portion.
  • the surplus winding portion refers to the scraped state in a closed state in which the end in the closing direction of the opening / closing body is in contact with a contact target portion (for example, a floor surface, the ground, a frame member, etc.). It means a part of the opening / closing body that is left unrolled around the harvesting body without being fed out!
  • This extra winding portion may be composed of a material cover that does not have fire resistance, but preferably also constitutes a material force that has fire resistance. According to this preferable configuration, it is possible to prevent the flame during fire or the like from coming into direct contact with the scooping body or the elastic sheet by the extra winding portion having fire resistance, and consequently, the excessive temperature of the scissoring body. Melting due to ascending and combustion of the elastic sheet can be made more difficult.
  • the opening / closing body includes a through-passage opening, and the passage opening and a portion around the passage opening are configured to open and close the passage opening.
  • a door portion made of a flexible sheet material is overlaid, and the support member is disposed so as to avoid the passage port and the door portion in the opening / closing body width direction.
  • the passing port may be an opening that penetrates the opening / closing body main body, and may be in a state in which a passing object such as a person or an object can pass when the opening / closing body is in a closed state.
  • the support member is disposed so as to avoid the passage opening and the door portion in the width direction of the opening / closing body.
  • the support member is configured to be shifted in the opening / closing body width direction so that the passage opening and the door portion of the opening / closing body do not come into contact with the support member when wound around the take-up body. That is.
  • the scooping body connects a plurality of scooping body constituent members in the axial direction, and the support member is a member of the scooping body constituent members. For each of the above, a plurality of them are provided.
  • the elastic sheet may be provided so as to be wound around the scooping body as the opening / closing body is wound around the scooping body.
  • the opening / closing body is wound around the catcher, the inertia sheet is wound around the catcher, and the elastic sheet is interposed between the catcher and the support member. It will be. Therefore, it is possible to make it difficult for the opening and closing body and the Z or the support member to be damaged by the local pressing force or to deteriorate the durability due to the elasticity of the elastic sheet.
  • a specific example of this configuration is an embodiment in which the elastic sheet is partially or wholly fixed to the opening / closing body. According to this embodiment, the opening / closing body is placed on the scraping body. Accordingly, the elastic sheet is wound around the scraper.
  • the elastic sheet is preferably disposed on the inner peripheral surface side of the opening / closing body when wound on the scraper, but the elastic sheet is wound on the scraper. It can also be arranged on the outer peripheral surface side of the opening / closing body.
  • the end of the elastic sheet on the opening / closing body opening direction side is fixed to the outer peripheral surface of the scraper and the other end is suspended.
  • the elastic sheet is wound around the scooping body.
  • the end of the elastic sheet on the opening / closing body opening direction side is held by being sandwiched between the opening / closing body surplused by the scraper and the scraper.
  • the elastic sheet is wound around the scooping body as the opening / closing body is wound around the scooping body.
  • the part of the elastic sheet on the opening / closing body closing direction side in this aspect may be in a state of hanging down without being fastened, or may be fastened to the opening / closing body.
  • a plurality of the support members are provided at predetermined intervals over the axial direction of the scooping body, and a pair of rollers that can rotate by contacting each supporting member with the outer peripheral surface of the scooping body.
  • the roller interval between the pair of rollers is greater than the roller interval between the pair of rollers constituting the other support member. May be narrowed.
  • the number of support members disposed per predetermined distance in the shaft direction of the scraper is determined as the passage opening and the door. It becomes less near the part. Therefore, the support close to the passage opening and door Compared with other support members, the holding member is subjected to a greater load on the gripping body.
  • interval in a pair of roller which comprises this support member is used as a pair of roller which comprises another support member.
  • the distance between the rollers is narrower, and the load that each roller constituting the pair of rollers receives on the body force is reduced.
  • the durability of the support member that supports the scraper can be further improved.
  • the opening / closing body has a flexible sheet portion
  • the following aspects are proposed as the viewpoint power to improve the durability of the flexible sheet portion.
  • This embodiment includes an opening / closing body having a flexible sheet portion at least on the end side in the opening direction, and a scissors body that fastens the flexible sheet portion of the opening / closing body to the outer peripheral surface.
  • An opening / closing device that is wound or unwound by the winding body, and the flexible sheet portion has a stagnation extending in the opening / closing body width direction. It is characterized by being fixed to the surface.
  • This aspect includes a substantially hollow scooping body that winds and unwinds the open / close body, and a core that supports the scooping body on its internal side, and rotates the scooping body and the core.
  • the core is formed of a material having higher fire resistance than the scraper body, and the opening / closing body is fixed to the core.
  • the opening / closing body is fixed to the core having higher fire resistance than the trimming body. , It is possible to prevent the opening / closing body from falling.
  • a substantially hollow scooping member constituting member is supported from the inside by the core, and a plurality of fasteners penetrating the scooping member constituting member are provided.
  • a plurality of these trimming body constituting members and cores are provided in the axial direction, and in the adjacent trimming body constituting member.
  • the core is connected to each other by a shaft member to form the scooping body, and the scooping body is rotatably received by a plurality of support members arranged in the width direction of the opening / closing body on the lower side thereof.
  • An opening / closing device configured as described above, wherein the through-hole constituting member is provided with a plurality of through-holes for allowing the fasteners to pass therethrough in a circumferential direction, and one of the plurality of through-holes is provided.
  • the part has a long hole that allows the fastener to be moved in the axial direction of the scraper.
  • the core is slightly movable in the axial direction of the cutting body with respect to the cutting body constituting member, the two adjacent cutting body constituting members can be bent. Deforms flexibly so that Therefore, the load is distributed to the support member close to the thickened portion and the other support members.
  • the opening / closing body is provided with more than the other parts in the width direction.
  • a thick-walled portion having a large thickness is provided, and the scraper is characterized in that a portion corresponding to the thick-walled portion is reduced in diameter as compared with other portions.
  • the closing direction end portion (for example, the seat plate member) of the opening / closing body in the stowed state is damaged, and the appearance of the opening / closing body is damaged. It is possible to reduce problems caused by the thick-walled portion, such as a bias in tension and a decrease in durability of the opening / closing body.
  • Shika also has a structure in which the cutting body is partially reduced in diameter, so that the opening and closing body and the cutting body can be reduced in weight.
  • Various effects can be achieved, such as reducing the load on the rotating drive source and reducing the cost of the opening and closing body and the tapping body, especially in the case of an opening and closing device with relatively long dimensions in the opening and closing body width direction. Can be remarkably exhibited.
  • opening / closing body thickness direction means the thickness direction of the opening / closing body in a closed state.
  • the “opening / closing body width direction” means a direction that is substantially orthogonal to the opening / closing direction of the opening / closing body and is not the thickness direction of the opening / closing body.
  • the “opening / closing body opening / closing direction” means a direction in which the opening / closing body slides in order to partition or open the space.
  • the pressing force per unit area received by the support member from the trimming body and the opening / closing body wound around the trimming body can be substantially equalized by the elastic sheet.
  • an elastic sheet can be interposed between the scraper and the support member with a specific structure with good productivity.
  • the elastic sheet can be held between the outer peripheral surface of the winding body and the extra winding portion of the opening / closing body.
  • the support member is disposed at a position avoiding the passage opening and the door portion, the passage opening is formed when the opening / closing body is wound around the take-up body.
  • the thickened portion corresponding to the door portion may be pressed relatively strongly by the support member.
  • the portion near the door of the opening / closing body, the door that is the flexible sheet material, etc. may be damaged, or the durability of the support member that supports the scraper may be reduced. Can be prevented.
  • the productivity of an opening / closing device elongated in the width direction of the opening / closing body can be improved, and a portion in the vicinity of the door portion of the opening / closing body or the flexibility
  • the effect of preventing the door portion made of the sheet material from being damaged or the durability of the support member supporting the scraper from being lowered can be exhibited particularly effectively.
  • An example according to the embodiment is an opening part of a construction 'structure, such as a house, building, warehouse, factory, underground mall, tunnel, vehicle loading platform, etc. It is an open / close device that partitions and opens the space inside the structure, and is particularly preferred as a screen shirt device that forms a flexible sheet material over the entire area of the open / close body.
  • the opening / closing device 1 includes an opening / closing body 10 having a flexible sheet part 11, a scissor body 20 that winds and unwinds the opening / closing body 10 to open / close, and the scooping body 20 and ⁇ on the body A support member 30 that receives the flexible sheet portion 11 so that the downward force of the flexible sheet portion 11 can be rotated, and a guide rail (not shown) that guides the opening and closing body 10 in the opening and closing direction at both ends in the width direction. It has.
  • the opening / closing body 10 includes a flexible sheet portion 11 constituting substantially the entire area of the opening / closing body 10, and a fastening member provided at an end of the flexible sheet portion 11 on the opening / closing body opening direction side.
  • a member 12 (see FIG. 2) and a seat plate member 15 provided at the end of the flexible sheet portion 11 on the opening / closing body closing direction side are provided.
  • the flexible sheet portion 11 includes a plurality of sheet portion constituent members 11a arranged in the width direction of the opening / closing body so as to correspond to a plurality of scooping member constituent members 21 constituting a scooping body 20 described later.
  • the adjacent seat member 11a is connected by a detachable fastening means (for example, a button hook, a slide fastener, a hook-and-loop fastener, a magnet, a screw, a bolt and a nut), and the like.
  • a sag is formed in the width direction of the opening / closing body so as to release the tension in the width direction of the opening / closing body at the connection point.
  • Each sheet member 11a has a plurality of sheet materials l lal arranged continuously in the opening / closing body width direction overlapped on the end side (see Fig. 3), and the overlapped portion is formed in the opening / closing body opening / closing direction. It consists of sewing and attaching.
  • Each sheet material l lal is, for example, a flame retardant fabric such as glass cloth or silica cloth, a salty vule resin sheet material treated with fluorine, a synthetic resin sheet material containing glass fiber, etc.
  • a flexible sheet material having fire resistance such as incombustibility is obtained.
  • a plurality of sheet materials arranged in the width direction of the opening / closing body llal constitutes a force constituting the sheet portion constituting member 11a
  • a plurality of sheet material forces arranged in the opening / closing direction of the opening / closing body It is also possible to configure the member 11a or to configure a plurality of sheet material force sheet member constituting members 1la arranged in the opening / closing body width direction and the opening / closing body opening / closing direction.
  • the sheet member constituting member 1 la is configured by sewing a plurality of sheet materials 1 lal, as shown in FIG. 3, the sewing parts nl and n2 are provided in a plurality of rows, and the plurality of rows are provided. It is preferable that at least one row of the sewn portions nl and n2 is sewn with a sewing thread mainly composed of stainless steel fibers. According to this configuration, for example, even in the event of a fire, it is possible to prevent the sewn thread from being burnt out and separating adjacent sheet materials from each other. As a result, the fire resistance of the flexible sheet portion 11 can be improved.
  • the sewing thread other than the stainless steel thread is made of synthetic resin fiber as the main raw material, the elasticity between adjacent sheet materials by the synthetic resin fiber as the main raw material is used during normal use. Sex can be maintained.
  • each seat part constituting member 11a on the opening / closing body opening direction side is formed in a longitudinal cross-section bag shape, and a fastening member 12 is formed in the bag-like portion across the opening / closing body width direction. Has been inserted (see Figure 2).
  • the fastening member 12 is a rod-like member having substantially the same length as each of the catching body constituting members 21 of the catching body 20, and according to a preferred example illustrated, the fastening member 12 is a member having a rectangular bar shape in vertical section.
  • the material of the fastening member 12 is not particularly limited as long as it is a rigid material. In particular, from the viewpoint of improving fire resistance and productivity, a metal material such as steel or stainless steel is preferable. It is also possible to use a hard rigid resin material, wood, ceramic material, stone material or the like.
  • the flexible sheet portion 11 is provided with a plurality of through holes through which the fasteners 14 are inserted in the opening / closing body width direction, and the fastening member 12 penetrates the fasteners 14.
  • a plurality of through-holes are provided in the width direction of the opening / closing body, and a securing portion for fixing the tip of the fastening tool 14 extends in the width direction of the opening / closing body.
  • a plurality of through holes of the fixing member 12 and the arrangement pitches of the plurality of to-be-attached portions of the catching body 20 are set to have substantially the same pitch.
  • the arrangement pitch of the plurality of through holes in the flexible sheet portion 11 may be made longer than the arrangement pitch of the landing portions (not shown).
  • the flexible member 11 is directly fixed to the scraper body by omitting the fixing member 12 from the opening / closing device 1, and the flexible member 11 In the opening / closing body width direction, a fixing portion (specifically, a through hole) that is fixed to the outer peripheral surface of the trimming body 20 is attached to the adhesive sheet portion 11
  • a plurality of covering members 20 are provided, and a fixing portion (specifically, a screw hole) to which each of the fixing portions of the flexible sheet portion 11 is fixed is provided on the scooping body 20.
  • a plurality of fixing portions may be provided corresponding to the number of fixing portions, and the arrangement pitch of the fixing portions may be longer than the arrangement pitch of the to-be-attached portions (not shown).
  • the pitch between the fastening portions of the flexible sheet portion 11 is longer than the pitch between the fastened portions of the grind body 20, between the fastening portions in the flexible sheet portion 11, It is possible to form a sag that releases tension in the width direction of the opening / closing body.
  • the squeezed portion of the flexible sheet portion 11 may be formed in a range corresponding to between the adjacent scraper constituting members 21 and 21.
  • the flexible sheet portion 11 is partially pinched so as to enter the space between the adjacent scraper constituting members 21 and 21.
  • the flexible sheet portion 11 can be relatively large-sized by utilizing the space between the trimming member constituting members 21 and 21, and as a result, the flexible sheet portion 11 is stretched in the opening / closing body width direction. The effect of force can be further reduced.
  • an elastic sheet 40 is interposed between each scooping body constituting member 21 of the scooping body 20 and a support member 30 described later.
  • the elastic sheet 40 has a width dimension that is substantially the same as or slightly shorter than the axial length of each roller 31 (or 32) that constitutes the support member 30, and that extends substantially in the opening / closing direction of the opening / closing body. It is a long belt-like member, and is arranged so as to contact each support member 30, and its end on the opening / closing body opening direction side is fastened to the catching body constituting member 21 together with the fastening member 12.
  • the material of the sheet 40 should be a material having elasticity in the thickness direction, such as rubber, elastic synthetic resin material, and foam material.
  • the end portion (more specifically, the seat plate member 15) in the closing direction of the opening / closing body 10 is contacted with the target portion y (for example, floor surface or ground
  • the elastic sheet 40 is provided by leaving the portion of the opening / closing body 10 on the opening direction side of the opening / closing body 10 with respect to the cutting body constituting member 21 of the cutting body 20 for about one round in contact with the frame member. Is sandwiched between the extra winding portion X and the outer peripheral surface of the trimming member constituting member 21 (see FIG. 2). See).
  • the structure for fixing the elastic sheet 40 to the outer peripheral surface of the grinder 20 can be simplified, and the elastic sheet 40 can hang down when the opening / closing member 10 is extended from the grinder 20. Therefore, it is possible to prevent the appearance from being damaged.
  • the elastic sheet 40 is pulled out in the opening / closing body closing direction without contacting the seat plate member 15 to the contact target portion y. State.
  • the preferred embodiment having the surplus winding portion X as described above is shown.
  • the surplus winding portion X may be omitted.
  • the elastic sheet 40 is fixed to the outer peripheral surface of the scraper 20 or the surface of the opening / closing member 10.
  • the scooping body 20 has a plurality of scooping body constituting members 21 arranged at predetermined intervals over the width direction of the opening / closing body. It is configured by being supported and connected by a member 22.
  • Each of the scooping body constituting members 21 is a substantially cylindrical member having a relatively light metal material force, and has a concave portion 21a extending in the axial direction on the outer peripheral surface thereof, and a fastening member 12 is provided in the concave portion 21a. By fitting, the amount of protrusion of the fastening member 12 in the centrifugal direction is reduced, and the fastening member 1
  • the core 23 is formed of a material having higher fire resistance than that of the trimming body component member 21, more specifically, a metal material having a melting point higher than that of the trimming body component member 21.
  • the material of the core 23 is a metal material having a melting point higher than that of the aluminum alloy, such as a steel material or a stainless steel material.
  • the material of the shaft member 22 that connects the adjacent cores 23 and 23 is preferably a steel material, a stainless steel material, or the like from the viewpoint of strength, fire resistance, and the like.
  • a plurality of fasteners 14 (for example, steel or stainless steel or the like are provided on the seat portion constituting member 11a and the fastening member 12 are provided in the axial direction and the circumferential direction of the scraper body. A fire-resistant screw bolt or the like is inserted, and the tip of each fastener 14 is screwed into the core 23.
  • the scooping body 20 having the above-described configuration is rotatably received by a plurality of support members 30 disposed at predetermined intervals across the opening / closing body width direction on the lower side thereof, and the axial direction It is rotated in the forward and reverse directions by a drive source 25 (for example, an electric motor, an air motor, a manual rotation mechanism, etc.) provided on the end side.
  • a drive source 25 for example, an electric motor, an air motor, a manual rotation mechanism, etc.
  • Each support member 30 is configured to rotatably support a pair of rollers 31 and 32 arranged substantially horizontally by a bracket 33.
  • a plurality of support members 30 are provided at predetermined intervals along the shaft axis direction for each of the trim body component members 21 and 21 on both sides in the opening / closing body width direction.
  • the bracket 33 is fixed to a stationary part on the lower side.
  • the pair of rollers 31 and 32 is a virtual straight line connecting the center of one roller 31 and the center of the scooping body 20 and a virtual straight line connecting the center of the other roller 32 and the center of the scooping body 20.
  • the angle between and ⁇ force is set to approximately 60 degrees. This angle is a suitable value that can make it difficult for the scraper 20 to fall off the pair of rollers 31 and 32 and reduce the load acting on each roller 31 (or 32).
  • each of the support members 30 is disposed in correspondence with the thick sheet portion p where the adjacent sheet materials l lal and l lal overlap each other, so that the flexible sheet portion 11 and each of the support members 30 However, it is possible to dispose the support member 30 at a location other than the thick portion p.
  • the roller body component member 21 of the blade body 20 and each roller 31 (or 32) of the support member 30 are always provided. In between, the fertility sheet 40 is interposed. Therefore, even if the center line of the scraper constituting member 21 and the center line of each roller 31 (or 32) are not strictly parallel, the clearance between the scraper constituting member 21 and each roller 31 (or 32) is not.
  • the surface pressure (load per unit area) applied to the sheet can be made substantially uniform by the elasticity of the elastic sheet 40.
  • the surface pressure (unit area Load) force is equalized by the elasticity of the elastic sheet 40.
  • the rotation center of the grind body 20 does not completely coincide with the center line that bisects the distance between the rotation center of one roller 31 and the rotation center of the other roller 32. Even in this case, the elasticity of the elastic sheet 40 can prevent the load from being biased to any of the rollers 31 (or 32) due to the mismatch to some extent.
  • the outer periphery of the flexible sheet portion 11 wound around the scraper 20 is provided by providing the elastic sheet 40 partially at a location corresponding to the support member 30.
  • the surface is partially expanded to improve the contact stability between the expanded portion and each of the rollers 31 (or 32), but the elastic sheet 40 is provided across the plurality of support members 30.
  • An embodiment in which the elastic sheet 40 is provided over substantially the entire length in the width direction of the opening / closing body 10 and an aspect in which the elastic sheet 40 is provided over substantially the entire surface in the width direction and the opening / closing direction of the opening / closing body 10 are also possible.
  • the elastic sheet 40 has a simple fastening structure in which the upper end side of the elastic sheet 40 is fastened to the outer peripheral surface of the scooping body 20. Also, the structure fixed to the outer peripheral surface of the sheet or the flexible sheet part 11.
  • the scooping body 20 and the opening / closing body 10 wound around the scooping body 20 are received by the support member 30 including the pair of rollers 31, 32.
  • Force The support member 30 is replaced with a support member (not shown) that slides and rotates the take-up body 20 and the opening / closing body 10 wound around the take-up body 20 by receiving the downward force. It is also possible.
  • the closing direction end of the opening / closing body 10 is in contact with the contact target site y.
  • the elastic sheet 40 is wound around the grinder 20, but as another example, when the opening / closing body 10 is extended from the grinder 20, the elastic sheet 40 is also It may be configured so that it is in a state of being drawn out from the body 20 and is wound around the body 20 as the opening / closing body 10 is wound around the body 20! /.
  • the elastic sheet 40 may be partially or entirely fixed to the opening / closing body 10, and the end of the coasting sheet 40 on the opening / closing body opening direction side is the opening / closing body 10 or the lid body. Or the end force of the coasting sheet 40 on the opening / closing body opening direction side of the opening / closing body 10 and the inner peripheral surface of the opening / closing body 10 surmounted by the cutting body 20 It is held by being sandwiched between the outer peripheral surface!
  • FIG. 1 shows the elastic sheets 40 pulled out in the closing direction of the opening / closing body in order to clearly show the configuration of the embodiment as described above.
  • an aspect in which the opening / closing body 10 is wound around the scooping body 20 as it is wound around the scooping body 20 is also shown.
  • the elastic sheet 40 is provided on the side of the scooping body 20, but the elastic sheet 40 is omitted and the elastic sheet 40 'is removed as shown in FIG. May be fixed to the outer peripheral surface of each roller 31 (or 32) of the support member 30!
  • the support member 30 ′ is bonded by winding the elastic sheet 40 ′ around the outer peripheral surface of each roller 31 (or 32) configured substantially the same as the support member 30 described above. It is made up of.
  • Each elastic sheet 40 ′ is formed in a substantially strip shape from a material having elasticity, in substantially the same manner as the elastic sheet 40 described above.
  • the opening / closing device using the support member 30 ′ it is possible to obtain substantially the same operation effect as the above-described opening / closing device 1, and since each support member 30 ′ is exposed, the maintenance property is improved. Is also good.
  • the roller 31 closest to the portion of the opening / closing body 10 that is fed from the scraping body 20 is used.
  • the outer peripheral contact position may be arranged higher than the outer peripheral contact position of the roller 32 adjacent to the roller 31 (not shown). According to this aspect, it is possible to prevent the scooping body 20 from falling off to the opening / closing body feeding side by the roller 31 provided with a high outer peripheral contact point position.
  • the opening body 20 receives the cutting body 20 from the opening / closing body feeding side force. Therefore, it is possible to disperse the load of the trimming body 20 to the plurality of rollers 31, 32 substantially evenly. Therefore, the opening / closing body 10 may be damaged by the pressing force received from some of the rollers 31 (or 32), It is possible to make it difficult to reduce the durability of some rollers 31 (or 32).
  • the bracket 33 may be fixed to an immovable member via an elastic body.
  • the loads received by the rollers 31 and 32 can be made more uniform.
  • a flexible sheet portion is provided by providing an abrasion-resistant sheet (not shown) between the flexible sheet portion 11 and the support member 30. Try to prevent it from being damaged by friction with the support member.
  • the abrasion-resistant sheet may be a separate body from the flexible sheet portion 11, but is preferably configured integrally with the flexible sheet portion 11 from the viewpoint of durability and the like.
  • the flexible sheet portion 11 includes a fiber layer made of a flexible fiber material, and a water-repellent treatment layer provided on at least one surface side of the fiber layer. Further, it may be composed of a resin coating layer provided on the surface of the water repellent treatment layer. According to this aspect, when the resin material is coated on the sheet material 1 lal constituting the flexible sheet portion 11, the water repellent treatment tank prevents the resin from penetrating into the fiber layer. Therefore, the flexibility of the fiber layer can be maintained and the durability of the flexible sheet portion 11 can be improved.
  • the resin coating layer when the resin coating layer is disposed at least on the surface in contact with the support member 30, the flexible sheet portion 11 and the support member 30 are formed by the resin coating layer. It is possible to prevent wear due to friction.
  • the opening / closing device B1 in which the door portion in the opening / closing body and a portion near the door portion are prevented from being damaged, and the durability of the support member is reduced by the door portion.
  • This opening / closing device B1 includes an opening / closing body B10 having a flexible sheet portion B11, a scraping body B20 in which the opening direction end of the flexible sheet portion B11 is fixed to the outer peripheral surface, and the opening / closing device Guide rails (not shown) for guiding the body B10 in the opening / closing direction at both ends in the width direction are provided, and the opening / closing body B10 is configured to be wound or unwound by the catching body B20.
  • the opening / closing body B10 includes a flexible sheet B11 constituting substantially the entire area of the opening / closing body B10, and a fastening provided at an end of the flexible sheet B11 on the opening / closing body opening direction side.
  • a member B12 (see FIG. 6) and a seat plate member B15 provided at the end of the flexible sheet portion B11 on the opening / closing body closing direction side are provided.
  • the flexible sheet portion B11 includes a plurality of sheet portion constituting members Bl by substantially the same configuration as the plurality of sheet portion constituting members 11a and the fastening members 12 of the flexible sheet portion 11 in the opening / closing device 1 described above. la, Bl lb, and fastening member B12. Adjacent seat part B11 a and Bl lb are connected by detachable fastening means B13.
  • any one of the plurality (three in the illustrated example) of the sheet portion constituent members Blla, Bllb, 11a includes a penetrating passage opening Bllb1, and A door part B16 for closing the passage opening Bl lb 1 so as to be openable and closable is provided integrally with the seat part constituting member Bl lb.
  • the passage opening Bl lbl and the door portion B16 are arranged in the opening / closing body width direction. However, it may be provided on one of the sheet component parts Bl la, Bl la on both sides, or on the flexible sheet part B11. A plurality of them may be provided.
  • the passage opening Bl lbl is an opening through which a person or an object can pass, and is formed in a substantially rectangular shape in front view according to the illustrated example.
  • the passage opening Bl lbl can also have a triangular shape in front view, a circular shape, a notch (slit), or other shapes.
  • the door portion B16 is made of a flame-retardant flexible sheet material similar to the above-mentioned seat portion constituent members Blla, Bllb, and is formed in a substantially rectangular shape in front view according to the illustrated example.
  • the door B16 has a thick wall portion of the opening / closing body B10 by superimposing a peripheral edge of the door portion B16 on a peripheral portion of the passage opening Bl lbl in the seat portion constituent member Bl lb, and an upper side portion of the door portion B16 is configured as a seat portion. By being fixed to the member Bl lb, it hangs down by its own weight and closes the passage opening B l lbl.
  • the door portion B16 may be disposed on one surface of the seat member constituting member Bl lb, or may be disposed on both surfaces of the seat member constituting member Bl lb. In order to improve the closing performance of the open / close body B10, the latter embodiment is preferable.
  • the adjacent sheet portion constituent members Bl la and Bl lb are overlapped at the end portions in the width direction, and the overlapping portions Bl lal are opened and closed so as to release the tension in the opening and closing body width direction. It is fastened by fastening means B13 in a state of having itch in the body width direction.
  • the overlapping portion Bl lal is moderately curled so as to enter the space portion between the adjacent trimming member constituting members B21, B21.
  • the fixing means B13 is, for example, a structure such as a so-called snap that fits the concave member and the convex member, or a so-called button that locks the button body through the button hole. Can be made.
  • the fastening means B13 When the fastening means B13 is the snap, the workability when connecting the adjacent seat part constituent members Bla, B 11a is good, and the closing shielding property when the opening / closing body B10 is closed Can be effectively secured.
  • the concave member and the convex member in a connected state can be removed relatively easily, for example, in the event of an emergency, even when the opening / closing body B10 is in a closed state, the concave member and the convex member may be removed. It is possible to easily form an opening for evacuation by removing the shaped member, and when a strong tension is generated in the flexible sheet due to a gust of wind, etc., the recessed member is caused by the tension at that time. And the convex member come off, so that damage to the flexible sheet portion B11 can be prevented.
  • the fastening means B13 is the button
  • the opening / closing body width direction can be allowed to some extent by deformation of the button hole, the opening / closing body width acting on the flexible sheet portion Bl 1 Directional tension can be relaxed.
  • fastening means B13 a hook-and-loop fastener, a slide fastener, a bolt and nut, a magnet, a stable, and other engaging / disengaging members may be used.
  • a plurality of fixing means B13 in the illustrated example are provided in the overlapping portion of the end portions of the adjacent sheet portion constituent members Blla and Blla in the opening / closing body opening / closing direction, and the opening / closing body A plurality are provided even in the width direction.
  • the catching body B20 has a structure substantially the same as the catching body 20 in the switchgear 1 described above, and the catching body constituting member B21 having the recess B21a, the core B23, the shaft member B22, and the fastening member B12. , Etc., and is rotatably received by the support members B24 and B24 ′ and rotated in the forward and reverse directions by the drive source B25.
  • Each support member B24 is configured to rotatably support a pair of rollers B24a and B24b arranged substantially horizontally by a bracket B24c.
  • the support member B24 includes a plurality of support structure members B21 and B21 on both sides in the width direction of the opening / closing body. ) Is provided.
  • the pair of rollers B24a, B24b is an imaginary straight line connecting the center of one roller B24a and the center of the scooping body B20 and a virtual straight line connecting the center of the other roller B24b and the center of the scooping body B20.
  • the angle B ⁇ 1 is set appropriately.
  • each support member B24 ′ is configured to rotatably support a pair of rollers B24a ′ and B24 b ′ arranged substantially horizontally by a bracket B24c ′.
  • a plurality of support members B24 ′ are provided at predetermined intervals over the grip body axial direction of the grip body constituting member B21 on the center side in the opening / closing body width direction.
  • the arrangement of the support member B24 ′ will be described in detail.
  • the support member B24 ′ has a passage opening Bl lb when the flexible sheet portion Bl 1 of the opening / closing body B10 is wound around the scooping body B20. 1 and the door part B16 are arranged on both sides of the passage opening Bl lbl and the door part B16 so as to avoid the opening / closing body width direction.
  • the roller interval between the pair of rollers B24a ′ and B24b ′ is set to be narrower than the roller interval between the pair of rollers B24a and B24b constituting the other support member B24.
  • the pair of rollers B24a, B24b is composed of an imaginary straight line connecting the center of one of the rollers B24a and the center of the scooping body B20 and the center of the other roller B24b 'and the scooping body.
  • the angle B ⁇ 2 with the imaginary straight line connecting the center of B20 is arranged to be smaller than the angle B 0 1 in the support member B24.
  • the angle B ⁇ 1 is set to an angle of 60 degrees
  • the angle B ⁇ 2 is set to a value smaller than the angle of 60 degrees.
  • the pair of rollers B24a, B24b, B24a ', B24b described above receives the load that the pair of rollers B24a', B24b 'receives from the scraper constituting member B21. It is possible to make the load 24b smaller than the load that is received from the harvester constituting member B21.
  • a pair of rollers B24a, B24b having a relatively large roller interval and a pair of rollers B24a, having a relatively small roller interval, , B24b ′ has different loads received from the trimming body component B21. That is, in FIGS. 8 (a) and 8 (b), the weight of the trimming member constituting member B21 is substantially the same, and can be expressed by a downward vector BV having the same length.
  • the pair of rollers B24a and B24b forces, the gripping member constituting member B21, and the received loads are the component forces of the vector BV, and can be expressed as vectors Bvl and Bvl, respectively.
  • the load received by the pair of rollers B24a 'and B24b' from the scraper constituting member B21 is a component force of the vector BV.
  • the angle B ⁇ 2 between the vectors Bv2 and Bv2 is smaller than the angle B 01 between the vectors Bvl and Bvl, so the vector Bv2 is more than the vector Bvl. Shorter.
  • the inventor of the present application refers to the case where the angle B01 between the pair of rollers B24a and B24b is 60 degrees, and when the angle is about 50 degrees, the load received by each roller B24a is about 4 It has been experimentally confirmed that the load applied to each roller B24a can be reduced by about 7.8% when the angle can be reduced by about 40% and when the angle is about 40 degrees.
  • roller interval between the rollers B24a and B24b is shown wider than the actual one, and the roller interval between the rollers B24a 'and B24b' is shown smaller than the actual one. .
  • the support member is disposed at a position avoiding the passage port Blbl and the door portion B16, and therefore the flexible sheet portion B11 is wound around the scraper B20.
  • the flexible sheet portion B11 When removing, it is possible to prevent the flexible sheet portion B11 from thickening at a position corresponding to the passage opening Blbl and the door portion B16, and the thickened portion from being pressed relatively strongly by the support member B24. it can.
  • each support member B24 ′ that receives the cut-out member constituting member B21 (the cut-out member forming member B21 on the center side in Fig. 5) corresponding to the passage port Bl lbl and the door portion B16.
  • number Force Force that is smaller than the number of the support members B24 that receive the other trimming member constituting member B21
  • each support member B24a ′ can be set by appropriately setting the roller spacing between the pair of rollers B24a ′ and B24b ′. Reduces the load received from the body component B21.
  • the force that makes the outer diameters of the plurality of connecting body constituting members B21 substantially the same as other preferred embodiments is that the door B16 and the passage port Bl lbl In the figure, the central scraper constituting member B21 in the figure may be reduced in diameter entirely or partially so as to correspond to the thick portion where the peripheral portion is overlapped.
  • the portion corresponding to the thick portion in the wound opening / closing body B10 is thicker than the other portions. It is possible to reduce the degree of erosion.
  • the force in which a single passage port Bl lbl and a door portion B16 are provided in the opening / closing device B1 illustrated in FIG. 5, the force in which a single passage port Bl lbl and a door portion B16 are provided.
  • the passage port Bl lbl and the door portion B16 are combined in the opening / closing body width direction. You may arrange several.
  • a part of the through-hole through which the fastener D14 penetrates at 1 ' is a long hole D21d', so that the adjacent framing body components D21 'and D21' are bent slightly and deformed. .
  • the opening / closing device D3 includes an opening / closing body D10 ′ having a flexible sheet portion D11 and a seat plate member D15, and a substantially hollow bag that winds and unwinds the opening / closing body D10 ′. And a guide rail (not shown) for guiding the opening / closing body D 10 ′ in the opening / closing direction at both ends of the opening / closing body D 10 ′. 'Is supported by.
  • the opening / closing body D10 ' is formed from the opening / closing body 10 to the fastening member 12 and the extra winding in the opening / closing device 1.
  • the part x is omitted, and the part of the flexible sheet part D11 at the end in the opening direction is fixed directly to the scraper D20 'and the core D23' by the fastening tool D14. Yes.
  • this opening / closing body D10 ′ it is also possible to provide an extra winding portion X as in the opening / closing device 1 shown in FIG.
  • the scooping body D20 ' includes a plurality of scooping body constituting members D21' disposed at predetermined intervals in the opening / closing body width direction, and a core D23 'and a shaft member D22 from the inside thereof. , D22 'is supported and connected.
  • Each trimming member constituting member D21 ' is a substantially cylindrical member having a relatively light metal material force, and a round hole D21c' and a long hole for allowing the fastener D14 to pass through the peripheral wall thereof. Has D21d '.
  • this anchoring member constituting member D21 ′ does not use the fastening member D12, it does not include the recess D21a in the hammering body D20 shown in FIG.
  • the round hole 21Dc ′ is provided only at one place in the circumferential direction of the scooping member constituting member D21 ′.
  • two long holes D21d ' are provided on the circumference where the round hole D21c' is arranged.
  • the round holes D21c ′ and the long holes D21d ′, D21d ′ are arranged substantially equally in the circumferential direction so as to correspond to every other six convex portions D23a ′ around the core D23 ′.
  • a hole for penetrating the fastening tool D14 is used as a round hole D21c 'in order to fasten the opening / closing body D10' to the trimming body component D21 'and the core D2 3'.
  • This hole is a long hole D21d '.
  • an elastic sheet D25 is wound around the outer peripheral surface of each scooping member constituting member D21 'so as to be received by a pair of rollers D24a and D24b as supporting members.
  • the elastic sheet D25 is a substantially strip-shaped sheet made of an elastic synthetic resin material.
  • the fastening member D14 is fixed on each of both sides of the trim member D21 ′. It is arranged so as to avoid the place, and is fixed to the outer peripheral surface of the torsion body component D21 ′.
  • the material of the elastic sheet D25 include felt-like nonwoven fabrics (more specifically, synthetic fibers such as polyester, polypropylene, rayon, cotton, and natural fibers).
  • Non-woven fabric made of fiber for example, one-dollar punch carpet material, rubber sheet material, and the like.
  • a sheet material made of a sponge material, leather, or the like can be used as other examples of the material of the elastic sheet D25.
  • the core D23 ' is made of a material having higher fire resistance than the steel body component D21' of the steel body D20 ', for example, a metal material having a melting point higher than that of the steel body component member D21'.
  • the outer peripheral surface is formed in a substantially cylindrical shape having a concave and convex shape, and the inner peripheral surface of the trimming body component D21 'is received by a plurality of convex portions D23a' on the outer peripheral surface (six in the illustrated example). ing.
  • the core D23 ′ is formed in a hollow shape for light weight, but may be solid like the core 23 (or B23) shown in FIG. 2 or FIG. Conversely, the core 23 (or B23) shown in FIGS. 2 and 6 may be hollow.
  • a plurality of scissors constituting members D21 'having the above configuration are arranged in the opening / closing body width direction, and adjacent scissors constituting members D21', D21 'are shaft members. Connected by D22 (or D2 2 ').
  • the number of the clad body constituting members D21 ′ is appropriately set according to the length in the width direction of the opening / closing body D10 ′.
  • the shaft member D22 ' is a shaft member that is slightly thicker than the shaft member D22, and among the plurality of consecutively arranged scissors constituting members D21', the scissors constituting member adjacent on the center side thereof. Provided between D21 'and D21'.
  • the thick shaft member D22 ′ is disposed on the center side of the trimming body D20, to which the load is most easily applied.
  • the shaft member D22 ′ has one end connected to the core D23 ′ in one cutout body constituting member D21 ′ and the other end connected to the core in the other cutout body constituting member D21 ′. Connected to D23 '.
  • the opening / closing body D10 ′ is wound around the trimming body D20 ′, resulting in unevenly thickened portions in the width direction of the opening / closing body.
  • the fastening device D14 moves slightly in the opening / closing body width direction with respect to the trimming body component D21', that is, the core D23 'is partially moved relative to the trimming body component D21'. Opening and closing body Since it moves slightly in the width direction, it is deformed flexibly so that the adjacent cut-off body constituting members D21 'and D21' are bent.
  • the load force of the scraper D20 is appropriately distributed to the plural pairs of rollers D24a and D24b.
  • an elastic sheet D25 is interposed between the clad body D20 ′ and the surrounding open / close body D10 ′. Due to the elasticity of D25, the pressing force applied to the contact surface between the opening / closing body D10 ′ and the pair of rollers D24a, D24b can be dispersed. As a result, the opening / closing body D10 ′ is locally connected to the pair of rollers D24a, D24b. It can be made difficult to be damaged by contact.
  • the round hole D21c ' is used as a hole for fixing the opening / closing body D10' by the fastening tool D14, and the long hole D21d 'is used by the fastening tool D14 as the framing body constituting member.
  • Force used as a hole for fixing D21 ′ and core D2 3 ′ it is possible to adopt a mode in which the round hole D21c ′ and the long hole D21d ′ are used in reverse.
  • the circumferential length is longer than the number of round holes D21c 'so that the bending member constituting members D21' and D21 'have an appropriate bending force S.
  • the number of round holes D21c 'and the number of long holes D21d' are the same, or the number of long holes D21d 'is smaller than the number of round holes D21c'. It is also possible to do.
  • the inner peripheral surface of the grind body component member D21 ' is arranged at the position of the round hole D21c' for fixing the opening / closing body D10 '.
  • a metal material force having a melting point higher than that of the trimming member constituting member D21' and a long plate material (not shown) extending between the adjacent cores D23 'and D23' It is also possible to fix the fastening member D14 penetrated through the opening / closing body D10 ′ and the clamp body component D21 ′ to the plate material and the core D23 ′.
  • the fastening strength of the opening / closing body D10 is further improved, and it is more effectively prevented that the opening / closing body D10 falls due to thermal melting of the trimming body component D21 ′. It can be done.
  • the pair of rollers D24a, D24b is configured such that the pair of rollers D24a, D24b cannot move in the opening / closing body thickness direction (left-right direction in FIGS. 26 to 28). It is also possible to adopt a configuration in which the position can be adjusted in the opening / closing body thickness direction by supporting as shown in FIG.
  • a pair of rollers D24a and D24b shown in FIG. 11 is rotatably supported by a bracket D24c.
  • the bracket D24c has mounting pieces D24cl and D24cl on both sides of the bottom surface of the bracket D24c in the opening / closing body width direction.
  • Each attachment piece D24cl is formed with a long hole D24c 11 which is long in the opening / closing body thickness direction.
  • This bracket D24c is mounted on the base material D26, which is an immobile part on the lower side thereof, and is fixed to the base material D26 by a fastening tool D24cl2 such as a screw bolt passed through the long hole D24cll. .
  • the fastening tool D24cl2 can be loosened to adjust the positions of the bracket D24c and the pair of rollers D24a, D24b in the opening / closing body thickness direction.
  • the force is such that the bracket D24c after position adjustment is fixed to the base material D26 by the fastening tool D24 cl2, and as another preferred embodiment, the bracket D24c is used as a base.
  • the opening / closing body D10 (or D10 ′) wound around the scraper D20 (or D20 ′) may be fixed to the material D26 so as to be movable in the opening / closing body thickness direction.
  • the bracket D24c can be finely moved in the opening / closing body thickness direction according to the state of the opening and closing, so that the load applied to each roller D24a (or D24b) can be further equalized.
  • FIG. 1 is a front view showing an example of an opening / closing device according to the present invention.
  • FIG. 2 is a longitudinal sectional view of the switchgear.
  • FIG. 3 is an enlarged front view of the main part of the switchgear.
  • FIG. 4 is a perspective view showing another example of a support member.
  • FIG. 5 is a front view schematically showing another example of the opening / closing device.
  • FIG. 6 is a longitudinal sectional view of the switchgear.
  • FIG. 7 (a) is a cross-sectional view along (a)-(a) in FIG. 5, and (b) is a cross-sectional view along (b)-(b) in FIG.
  • FIG. 8 Schot. 8 —Schematic diagram showing the load received by a pair of rollers, (a) shows the case where the roller interval is relatively wide, (b) shows the case where the roller interval is narrower than (a) Indicates.
  • FIG. 9 is a longitudinal sectional view of a main part showing another example of the opening / closing device.
  • FIG. 10 is a front view of a principal part showing the switchgear shown in FIG. 9.
  • FIG. 11 is a perspective view showing another example of a structure for supporting the scraper.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Abstract

La présente invention concerne un dispositif d’ouverture/fermeture permettant d’éviter l’endommagement d’un corps d’ouverture/fermeture et la limitation de la durée de vie d’un élément de support. Le dispositif d’ouverture/fermeture est doté d'un corps tendeur (20) permettant de tendre et de laisser filer le corps d’ouverture/fermeture (10) pour lui permettre de réaliser les opérations d'ouverture/fermeture et comporte également un élément de support (30) permettant de recevoir de façon tournante le corps d’ouverture/fermeture (10) depuis le dessous. Un film élastique (40) est disposé entre le corps tendeur (20) et l’élément de support (30).
PCT/JP2006/316703 2005-11-22 2006-08-25 Dispositif d’ouverture/fermeture Ceased WO2007060777A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2005337155A JP4851168B2 (ja) 2005-11-22 2005-11-22 開閉装置
JP2005-337155 2005-11-22
JP2005-338807 2005-11-24
JP2005338807A JP4870417B2 (ja) 2005-11-24 2005-11-24 開閉装置
JP2005369936A JP4987293B2 (ja) 2005-12-22 2005-12-22 開閉装置
JP2005-369936 2005-12-22

Publications (1)

Publication Number Publication Date
WO2007060777A1 true WO2007060777A1 (fr) 2007-05-31

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Application Number Title Priority Date Filing Date
PCT/JP2006/316703 Ceased WO2007060777A1 (fr) 2005-11-22 2006-08-25 Dispositif d’ouverture/fermeture

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Country Link
WO (1) WO2007060777A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5254975B2 (ja) * 2007-07-31 2013-08-07 昭和電工株式会社 金属酸化物電極触媒およびその用途、ならびに金属酸化物電極触媒の製造方法
DE102013213932A1 (de) * 2013-07-16 2015-01-22 Stöbich Brandschutz GmbH Rauch- oder Brandschutzvorrichtung

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001303872A (ja) * 2000-04-21 2001-10-31 Bunka Shutter Co Ltd 建物用シャッター装置の巻取軸支持方法及びその装置
JP2001336374A (ja) * 2000-05-31 2001-12-07 Bunka Shutter Co Ltd シャッター装置の巻取軸支持構造
JP2003176677A (ja) * 2001-12-11 2003-06-27 Bunka Shutter Co Ltd 巻取軸装置における巻取軸構造
JP2004003140A (ja) * 2002-05-31 2004-01-08 Bunka Shutter Co Ltd 巻き取り式シャッター装置の騒音抑制装置
JP2004019258A (ja) * 2002-06-17 2004-01-22 Bunka Shutter Co Ltd 開閉装置の巻取軸支持装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001303872A (ja) * 2000-04-21 2001-10-31 Bunka Shutter Co Ltd 建物用シャッター装置の巻取軸支持方法及びその装置
JP2001336374A (ja) * 2000-05-31 2001-12-07 Bunka Shutter Co Ltd シャッター装置の巻取軸支持構造
JP2003176677A (ja) * 2001-12-11 2003-06-27 Bunka Shutter Co Ltd 巻取軸装置における巻取軸構造
JP2004003140A (ja) * 2002-05-31 2004-01-08 Bunka Shutter Co Ltd 巻き取り式シャッター装置の騒音抑制装置
JP2004019258A (ja) * 2002-06-17 2004-01-22 Bunka Shutter Co Ltd 開閉装置の巻取軸支持装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5254975B2 (ja) * 2007-07-31 2013-08-07 昭和電工株式会社 金属酸化物電極触媒およびその用途、ならびに金属酸化物電極触媒の製造方法
DE102013213932A1 (de) * 2013-07-16 2015-01-22 Stöbich Brandschutz GmbH Rauch- oder Brandschutzvorrichtung
EP2835153A2 (fr) 2013-07-16 2015-02-11 Stöbich Brandschutz GmbH Dispositif de protection contre la fumée ou l'incendie
EP2835153A3 (fr) * 2013-07-16 2015-08-05 Stöbich Brandschutz GmbH Dispositif de protection contre la fumée ou l'incendie

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