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WO2014072745A1 - Moyen de limitation de dispositif de communication et son procédé - Google Patents

Moyen de limitation de dispositif de communication et son procédé Download PDF

Info

Publication number
WO2014072745A1
WO2014072745A1 PCT/GB2013/052971 GB2013052971W WO2014072745A1 WO 2014072745 A1 WO2014072745 A1 WO 2014072745A1 GB 2013052971 W GB2013052971 W GB 2013052971W WO 2014072745 A1 WO2014072745 A1 WO 2014072745A1
Authority
WO
WIPO (PCT)
Prior art keywords
cord
dispenser
rotation
cord dispenser
engagement 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/GB2013/052971
Other languages
English (en)
Inventor
Stuart Hindle
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.)
PHONECATCHER Ltd
Original Assignee
PHONECATCHER 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
Application filed by PHONECATCHER Ltd filed Critical PHONECATCHER Ltd
Priority to CA2890868A priority Critical patent/CA2890868A1/fr
Priority to EP13789896.1A priority patent/EP2916684A1/fr
Priority to US14/441,811 priority patent/US20150272304A1/en
Priority to AU2013343230A priority patent/AU2013343230A1/en
Priority to CN201380070077.XA priority patent/CN104918515A/zh
Priority to GB1420760.9A priority patent/GB2517607A/en
Publication of WO2014072745A1 publication Critical patent/WO2014072745A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
    • A45F5/00—Holders or carriers for hand articles; Holders or carriers for use while travelling or camping
    • A45F5/004—Holders or carriers for hand articles; Holders or carriers for use while travelling or camping with an automatic spring reel
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00—Details; Accessories
    • A45C13/18—Devices to prevent theft or loss of purses, luggage or hand carried bags
    • A45C13/20—Chains or bands
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
    • A45F5/00—Holders or carriers for hand articles; Holders or carriers for use while travelling or camping
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
    • A45F5/00—Holders or carriers for hand articles; Holders or carriers for use while travelling or camping
    • A45F5/02—Fastening articles to the garment
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
    • A45F5/00—Holders or carriers for hand articles; Holders or carriers for use while travelling or camping
    • A45F5/02—Fastening articles to the garment
    • A45F5/021—Fastening articles to the garment to the belt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • B65H75/4418—Arrangements for stopping winding or unwinding; Arrangements for releasing the stop means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • B65H75/4418—Arrangements for stopping winding or unwinding; Arrangements for releasing the stop means
    • B65H75/4428—Arrangements for stopping winding or unwinding; Arrangements for releasing the stop means acting on the reel or on a reel blocking mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • B65H75/4436—Arrangements for yieldably braking the reel or the material for moderating speed of winding or unwinding
    • B65H75/4442—Arrangements for yieldably braking the reel or the material for moderating speed of winding or unwinding acting on the reel
    • B65H75/4447—Arrangements for yieldably braking the reel or the material for moderating speed of winding or unwinding acting on the reel centrifugally
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
    • A45F5/00—Holders or carriers for hand articles; Holders or carriers for use while travelling or camping
    • A45F5/1516—Holders or carriers for portable handheld communication devices, e.g. pagers or smart phones

Definitions

  • the invention relates to a restraining device and a method for restraining a portable communication device such as a mobile phone, PDA or other electronic device in the event that it is dropped accidentally.
  • Portable communication devices such as mobile phones and PDAs
  • Restraining devices have been developed to reduce the likelihood of damage occurring to such portable communication devices.
  • a portable communication device is attached to a tether that comprises a cable which is wound around a reel.
  • the reel is connected to a coil spring which is configured to apply sufficient tensile force to the cable to prevent extension of the cable from the reel when subject to the weight of the portable device.
  • the force applied to the cable by the spring is directly proportional to the rotational displacement of the spring, the greater the weight of the portable device the greater the extension of the cable.
  • the extension of the cable could be undesirably long, such that prior to being restrained the portable device collides with other objects including the ground.
  • An object of the present invention is to provide a restraining device which overcomes one of the above or other problems. More specifically, an object of the present invention is to provide a restraining device which provides adequate restraint of a portable communication device, when dropped, regardless of the weight of the device and/or a restraining device which causes less discomfort in use.
  • a restraining device to restrain movement of a portable communication device
  • the restraining device comprising: a stationary support configured to be connected to a user; a cord configured to be connected to the portable communication device at a first point of the cord; a cord dispenser, which is rotatably supported on the stationary support, the cord dispenser operable to dispense a portion of cord, which comprises the first point of the cord, upon rotation of the cord dispenser; characterised in that the device comprises a restraining mechanism, the restraining mechanism being centrifugally actuated such that a centrifugal force caused by rotation of the cord dispenser, when above a predetermined centrifugal force, actuates the restraining mechanism to thereby restrain rotation of the cord dispenser and thereby prevent dispensing of the cord.
  • the restraining device is operable to prevent dispensing of a cord that is attached to a portable device depending on the rate at which the portable device falls at, regardless of the weight of the portable device. Furthermore, since the device does not rely on a coil spring to restrain the portable communication device, as found in the prior art, when using the portable communication device a user feels less pulling on the cord and hence less discomfort.
  • the device is configured such that a force applied to the cord due to the weight of a portable communication device is operable to cause rotation of the cord dispenser.
  • the portable communication device comprises a device, such as a mobile phone, PDA , a laptop or music player, such as an mp3 player.
  • a device such as a mobile phone, PDA , a laptop or music player, such as an mp3 player.
  • the predetermined centrifugal force is achieved when the rotation of the cord dispenser exceeds a predetermined angular velocity and / or a predetermined angular acceleration.
  • the predetermined angular velocity is defined as a rate of rotation of the cord dispenser about an axis of rotation relative to the stationary support.
  • the predetermined angular acceleration is defined as a rate of the angular velocity of rotation of the cord dispenser about an axis of rotation relative to the stationary support.
  • the restraining mechanism is configured such that it is actuated in response to a force applied to the cord which occurs shortly after the portable communication device is dropped.
  • the restraining mechanism comprises: one or more first engagement member(s), which is disposed on the stationary support; one or more second engagement member(s) which is attached to an actuator, the actuator being connected to the cord dispenser such that it rotates with the cord dispenser, wherein the actuator is centrifugally actuated, such that when subject to a centrifugal force above the predetermined amount the actuator is caused to move, relative the cord dispenser, such that the or each second engagement member engages with the or one or more first engagement member(s) of the stationary support, to thereby restrain rotation of the cord dispenser and prevent further dispensing of the cord.
  • the first and second engagement members when engaged are in a first engaged position, and when disengaged are in a second disengaged position.
  • the first and/or second engagement members are biased into the second disengaged position by means of a biasing member.
  • the first and second engagement member and actuator are configured such a force F, resulting from the weight of the portable communication device, applied through the first and second engagement member to the actuator urges the actuator to maintain the first and second engagement member in the first engaged position preferably such that a force B applied by the biasing member to the actuator is overcome.
  • the first and second engagement member and actuator are configured such that when the force F is reduced below the force B, the biasing member moves the first and second engagement member to the second disengaged portion.
  • the user has only to lift the portable communication device such that the force applied to the cord is reduced.
  • the cord dispenser is configured such the rotation of the cord dispenser in a coiling direction causes cord to be coiled around the cord dispenser to form a coil.
  • the cord dispenser is configured such the rotation of the cord dispenser in a dispensing direction causes cord to be uncoiled and dispensed from the cord dispenser.
  • the cord dispenser is configured to rotate in the dispensing direction to dispense cord when the portable communication device is dropped.
  • the cord is connected to the cord dispenser at a second point of the cord. More preferably the second point is connected to the cord dispenser proximate an axis of rotation of the cord dispenser.
  • the cord dispenser is rotatable about an axis of rotation, and preferably comprises an axially arranged coiling portion and preferably one or more guide members which are arranged to guide the cord around the coiling portion to enable the formation of the coil.
  • the stationary support comprises a housing that extends at least partially around the cord dispenser and preferably extends at least partially around the or each first engagement member(s).
  • the first engagement member comprises one or more teeth
  • the second engagement member comprises one or more teeth
  • the teeth of the first engagement member being operable to interlock with the teeth of the second engagement member, when in the first engaged position.
  • the or each teeth of the first engagement member are disposed circumferentially around the cord dispenser.
  • the or each teeth of the first engagement member are arranged to extend substantially towards the axis of rotation of the cord dispenser.
  • the teeth of the first engagement member are arranged such that they are in alignment with the teeth of the second engagement member when in the first engaged position.
  • the stationary support is formed by injection moulding, and preferably the first engagement member is formed integrally with the stationary support.
  • a biasing member is configured to urge the cord into the coiled position on the cord dispenser.
  • the biasing member comprises a spiral spring, which has a first end attached to the cord dispenser and a second end attached to the stationary support.
  • the spiral spring is arranged in a plane which is substantially perpendicular to the axis of rotation.
  • the force applied by the coil biasing member is sufficient to recoil the cord when unloaded, and is preferably substantially less than the force applied to the coil by the weight of the portable communication device.
  • the cord is 1 - 3 mm thick, and is preferably translucent.
  • the stationary support comprises a retaining means which is configured to attach the stationary support to an item of clothing.
  • the housing is substantially circular and is 3 - 10 cm in diameter, and is preferably 0.5 - 5 cm thick.
  • the stationary support comprises an aperture through which the cord is dispensable.
  • the restraining mechanism comprises an actuator in the form of an arm which is connected to the cord dispenser by means of a pivot, such that it rotates with the cord dispenser about the axis of rotation of the cord dispenser and rotates relative the cord dispenser about the pivot, the arm comprising the or each second engagement member, the arm preferably being movable by the centrifugal force between a first engaged position and second disengaged position, wherein in the first engaged position the second engagement member is engaged with the first engagement member.
  • the first engagement member is disengaged from the second engagement member.
  • the arm is biased into the second disengaged position by a biasing member.
  • the biasing member is configured such that a biasing force of the biasing member is overcome when the centrifugal force on the arm reaches the first predetermined amount.
  • the biasing member is a resilient member in the form of a spring which may be an extension or compression spring, a torsion spring or a leaf spring or the like.
  • the restraining mechanism further comprises one or more abutment portions, which are arranged to locate the arm in the first and/or second position.
  • the second engagement member extends from a first portion of the arm, and the biasing member acts upon the first and/or a second portion of the arm.
  • the first and second portion of the arm are located on opposite sides of the pivot.
  • the housing comprises a first and second portion which snap fit together to extend around the cord dispenser and restraining mechanism.
  • the axle and cord dispenser snap fit together.
  • the arm is arranged such that the second engagement member is movable in a radial direction.
  • the restraining mechanism comprises an actuator in the form of a body which is arranged to rotate with the cord dispenser by means of protrusions, the body having at least one movable member, the movable member comprising the or each second engagement member.
  • the movable member being movable by the centrifugal force between the first engaged position and the second disengaged position, wherein in the first engaged position the second engagement member is engaged with the first engagement member.
  • the first engagement member is disengaged from the second engagement member.
  • the movable member is movable relative the axis of rotation of the cord dispenser.
  • the movable member is connected to the axis of rotation of the cord dispenser and/or a second movable member by means of a biasing member, the biasing member being configured to bias the or each movable member into the second disengaged position.
  • the movable member is movable in a radial direction.
  • the body is fixed to the cord dispenser by means of a guide configured to prevent axial movement of the body along the axis of rotation of the cord dispenser, preferably the guide comprises a washer.
  • the body is disk shaped.
  • the body comprises a quadrilateral shape.
  • the body is mounted to the guide members of the cord dispenser.
  • the body is formed from the guide members of the cord dispenser.
  • the restraining mechanism comprises a body having a channel, which is configured to retain the actuator in the form of a movable member, and to enable radial displacement of the movable member along the channel.
  • the movable member being movable by the centrifugal force between a first engaged position and second disengaged position, wherein in the first engaged position the second engagement member is engaged with the first engagement member.
  • the first engagement member is disengaged from the second engagement member.
  • the movable member is movable relative the axis of rotation of the cord dispenser.
  • the body is mounted to the guide members of the cord dispenser.
  • the body is formed from the guide members of the cord dispenser.
  • the channel is configured to retain a biasing member which is configured to bias the movable member in to the second disengaged position.
  • the channel is configured to retain a ball bearing which is arranged to transfer centrifugal force to the movable member during rotation.
  • a method of restraining movement of a portable communication device using a restraining device comprising: a stationary support which is connected to a user; a cord which is connected to a communication device at a first point of the cord; a cord dispenser, which is rotatably supported on the stationary support, the cord dispenser operable to dispense a portion of cord which comprises the first point upon rotation of the cord dispenser; characterised in that the method comprises displacing the portable device to apply a force through the cord to the cord dispenser to effect rotation of the cord dispenser, the rotation of the cord dispenser applying a centrifugal force to a restraining mechanism, the restraining mechanism restraining the rotation of the cord dispenser and thereby preventing further dispensing of the cord when the centrifugal force exceeds a predetermined amount.
  • a restraining device to restrain movement of a portable communication device comprising: a stationary support configured to be connected to or integrally formed as part of the portable device; a cord configured to be connected to a user at a first point of the cord; a cord dispenser, which is rotatably supported on the stationary support, the cord dispenser operable to dispense a portion of cord which comprises the first point upon rotation of the cord dispenser; characterised in that the device comprises a restraining mechanism, the restraining mechanism being centrifugally actuated such that a centrifugal force caused by rotation of the cord dispenser, when above a predetermined centrifugal force, actuates the restraining mechanism to thereby restrain rotation of the cord dispenser and thereby prevent further dispensing of the cord.
  • the restraining device is installed in the portable device or is connected to the portable device.
  • the cord comprises a hook, clip or other suitable attachment to connect the
  • Figure 1 shows a cross-sectional view of a restraining device according to an exemplary embodiment of the invention
  • Figure 2 shows a left side view of a cord dispenser of the restraining device of figure 1 ;
  • Figure 3 shows a right side view of a cord dispenser of the restraining device of figure 1 ;
  • Figure 4 shows a side view of the connection of the cord to a mobile phone
  • Figure 5 shows a side view of a restraining mechanism of the restraining device of figure
  • Figures 6 -9 show side views of alternative restraining mechanisms which may be used in the restraining device.
  • Figure 10 shows an exploded perspective view of an alternate restraining device according to the invention.
  • Figure 1 1 shows an exploded perspective view of a further alternative device according to the invention.
  • Figure 12 shows an exploded perspective view of a further alternative device according to the invention.
  • FIG. 1 shows a cross sectional view of a first embodiment of a restraining device 100, which is operable to restrain a portable communication device, which in this embodiment is a mobile phone, however it will be appreciated that the device 100 may be used with other communication devices such as a PDA., in the event it is dropped.
  • the restraining device 100 comprises a stationary support 200, a cord 300 and a cord dispenser 400 which is rotatably attached to the stationary support.
  • the device further comprises a restraining mechanism 500 to restrain rotation of the cord dispenser in the event the mobile phone is dropped.
  • the mechanism is actuated in response to a centrifugal force due to rotation of the cord dispenser 400 as will be discussed in more detail below.
  • the cord dispenser 400 is arranged to rotate about an axis of rotation 402, and comprises an axially arranged coiling portion 410.
  • the coiling portion 410 is substantially circular in cross section around which the cord 300 can be coiled.
  • At a first end 412A and second end 412B of the coiling portion there are respective guides 420A, 420B, which comprise substantially planer circular members, the centre of which being aligned to the axis 402.
  • the guides 420 ensure the cord 300 is coiled in the correct position on the coiling portion 410.
  • the cord dispenser 400 is rotatably connected to the stationary support 200 at an axle 202, as best shown on figure 1 .
  • the cord comprises a nylon yarn which is about 1 - 3 mm thick, however it will be appreciated that any suitable material may be used.
  • the cord 300 comprises an attachment member 310 (as shown in figure 4A) which is connected to a first point 320 of the cord, which in this example is at an end of the cord 300.
  • the attachment member 310 comprises a latch which is suitable for receiving an eyelet on the mobile phone 600, as will be discussed in more detail below.
  • a second point 330 of the cord 300 which in this example is at the other end of the cord, is attached to the cord dispenser 400.
  • the cord 300 is attached to the coiling portion 410, although it will be appreciated that the cord can be attached at another location on the cord dispenser.
  • the stationary support comprises a housing that extends around the cord dispenser 400 and restraining mechanism 500.
  • the housing is substantially circular in shape, however it will be appreciated that other shapes are possible.
  • the stationary support comprises an axle support 502 to support the axle 202.
  • the axle 202 comprises a protrusion which is fixed to the stationary support and extends into a hole 403 in the cord dispenser 400.
  • the axle may alternatively be fixed to the cord dispenser 400 and extend into a hole in the stationary support.
  • the stationary support 200 further comprises an aperture 210, through which the cord can be dispensed.
  • the stationary support 400 may be formed from a first part 200A and second part 200B, and held together around the cord dispenser by known means such as an adhesive or screws.
  • the stationary support comprises a retaining means 220 in the form of a compliant clip which is configured to attach the device 100 to an item of clothing of a user.
  • the size of the housing of the stationary support 200 will vary depending on the weight of the mobile phone 600 the restraining device 100 is intended for use with, however it is generally is 3 - 10 cm in diameter, and is preferably 0.5 - 5 cm thick.
  • the stationary support 200 can be formed by injection moulding, with the first engagement member, which is discussed in more detail below formed integrally as part of the injection moulding.
  • a biasing member in the form of a spiral spring 430 is arranged to urge the cord 300 into a coil on the cord dispenser 400.
  • the spiral spring 430 is arranged to abut the guide 420B.
  • a centre 432 of the spiral spring is connected to the stationary support 200, and the outer end 434 of the spiral spring is connected proximate a periphery of the guide 420B.
  • the biasing member 430 is selected to apply a substantially constant force regardless of its degree of extension from a coiled state.
  • the biasing member 430 has spring constant which is selected to apply a nominal force to the cord, which is just sufficient to re-coil the dispensed cord.
  • part of the restraining mechanism comprises a plurality of first engagement members 510, which in this example are in the form of teeth shaped cut-outs.
  • the cut-outs are formed on the stationary support 200 and are circumferentially disposed about the axis 202 such that they are positioned around the cord dispenser 400.
  • the first engagement members 510 may extend around the entire circumference of the cord dispenser 400 or around part of the circumference of the cord dispenser 400. In this way it will be appreciated that there may be one or more cut-outs.
  • the restraining mechanism 500 further comprises an actuator in the form of an arm 520, which is connected to the guide 420A of the cord dispenser 400 by means of a pivot 522.
  • the pivot 522 is positioned between the centre of the guide 402 (at the axis 202) and its circumference.
  • the pivot 522 comprises a pin which extends outwardly from the guide 420A and into a hole in the arm 520, and is arranged to provide an axis of rotation of the arm 520 which is parallel to the axis 202.
  • the arm 520 comprises a first portion 524 and a second portion 526, which are disposed on opposite sides of the pivot 522.
  • a second engagement member 530 extends from the first portion 524 of the arm, which is in the form of a tooth that is shaped to fit into the tooth shaped cut-outs of the first engagement members 510, as will be described in more detail below.
  • Figure 5A shows the first and second engagement members 530, 510 in a first engaged position, wherein the tooth is engaged with the cut-outs.
  • Figure 5B shows the first and second engagement members 530, 510 in a second disengaged position, wherein the tooth is disengaged from the tooth shaped cut-outs.
  • a biasing member 540 applies a pushing force which acts upon the second portion 526 of the arm to urge the arm into the second disengaged position.
  • the mass of the first portion 524 of the arm is substantially larger than the mass of the second portion 526. Accordingly, rotation of the cord dispenser 400 applies a centrifugal force to the arm 520. As the angular velocity is increased, the centrifugal force applied to the first portion of the arm increases such that the biasing force applied by the biasing member 540 is overcome and the arm moves from the second disengaged position of figure 5B to the a first engaged position, of figure 5A.
  • a stop 527 is positioned on the guide 420A which is arranged to abut the second portion 526 of the arm when the arm is in the first engaged position. Accordingly, the stop 527 prevents over extension of the arm in response to the force applied through it from the first and second engagement members 510, 530 when engaged with each other.
  • the teeth defined by the cut-outs of the first engagement members 510 of the stationary support 200 are arranged to extend in a radial direction substantially towards the axis 202 of rotation of the disc dispenser.
  • the teeth have a first edge 513 and a second edge 515, wherein the first edge is located further around the circumference in the dispensing direction (which in figure 5 is clockwise) than the second edge.
  • the first edge 513 as well as having a radial component partially points in the coiling direction (which in figure 5 is anticlockwise)
  • the second edge 515 as well as having a radial component partially points in the dispensing direction (which in figure 5 is clockwise).
  • the extent to which the second edge 515 points in the dispensing direction is less than extent to which the first edge 513 points in the coiling direction.
  • the teeth may have other configuration, for instance they are symmetrically arranged with respect to each other about the centre line 512.
  • the tooth of the second engagement member 530 is arranged to extend from the arm 520 such that a first edge of the tooth 51 1 engages in alignment with the first edge 515 of a tooth of the first engagement member 510.
  • the tooth of the second engagement member 530 is arranged with respect to the pivot
  • first and second engagement members remain engaged under the weight applied by the mobile phone 600 in spite of there being no centrifugal force.
  • the engagement members are then disengaged by removal of the force from the weight of the mobile phone, as is discussed in more detail below.
  • the mass of the first portion 524 of the arm 520 and spring constant of the biasing member 540 are selected to adjust the predetermined magnitude of the centrifugal force that the arm moves from the second disengaged position to the first engaged position at. It will also be appreciated that this magnitude will vary depending on the particular mobile phone 600 that the restraining device 100 is intended for use with.
  • Figure 4 shows the attachment of the cord 300 to the mobile phone 600.
  • figure 4B shows the attachment of an eyelet 602 by means of an adhesive strip 604.
  • the adhesive strip 604 is adhered to a portion of the mobile phone 600 by means of a sucker fixing based on air pressure, or by a chemical adhesive, such as a glue.
  • Figure 4C shows another example of an attachment for an eyelet 602.
  • the adhesive strip comprises a first portion 604A and a second portion 604B which are arranged perpendicular to each other so that they fit discretely around a corner of the mobile phone 600.
  • the eyelet 602 is removably attached to the attachment member 310 of the cord 300, as shown in figure 4A.
  • the restraining device 100 is attached to a user by means of the retaining means 220, and the cord 300 is attached to the mobile phone 600 at the eyelet 602 by means of the attachment member 310. Thereafter, the mobile phone 600 can be used.
  • the spring constant of the biasing member 430 is selected such that it applies a nominal amount of force to the cord which is sufficient to re-coil the dispensed coil when no force is applied to the cord. In this way the user feels no discomfort from the cord pulling the device. It will be appreciated that the particular spring constant will vary depending on the weight of the cord and size of the mobile phone 600.
  • the weight of the mobile phone applies a tensile force to the cord 300.
  • This causes the cord to uncoil and effect rotation of the cord dispenser 400 in a dispensing direction (in the example of figure 5A the dispensing direction is in the clockwise direction).
  • the magnitude of the centrifugal force applied to the arm 520 increases.
  • the arm is caused to move from the second disengaged position to the first engaged position, wherein the first and second engagement members engage to restrain rotation of the cord dispenser.
  • the predetermined magnitude of the centrifugal force is selected such that the mobile phone is restrained shortly after it is dropped. Accordingly, rotation of the cord dispenser 400 is prevented, which prevents further dispensing of the cord 300, and the mobile phone 600 is prevented from dropping any further.
  • the tooth of the first engagement member 510 is arranged with respect to the pivot 522 of the arm such that when the first and second engagement members are engaged, the arm 520 is urged into the first engagement position by the force, the first and second engagement members remain engaged under the weight applied by the mobile phone 600 in spite of there being no centrifugal force. Accordingly, to release the arm the user lifts the mobile phone 600 to relieve the force on the cord 300. In this way the cord dispenser is rotated a nominal amount in a direction reverse to the dispensing direction (in the example of figure 5A in the anticlockwise direction) such that the first and second engagement members 530, 510 disengage from each other and the arm is allowed to return to the second disengaged position by means of the biasing member 540.
  • Figures 6A and 6B show a second embodiment of a restraining mechanism.
  • the restraining mechanism 700 comprises a body 710 which is substantially disc shaped. The disc is orientated with a centre aligned to the axis 202, and is arranged to abut the guide 420A of the cord dispenser 400.
  • the body 710 is composed of two semi-circular movable members, hence a first and second movable member 720A, 720B.
  • the movable members 720 are connected to each other by means of a biasing member
  • the movable members 720 are held apart by about 2 - 3mm by protrusions 723, which are in the form of pins that extend outwardly from the guide 420A.
  • the protrusions drive the movable members to rotate with the guide 420A.
  • the pins retain the movable members in a spaced apart centrally aligned position such that they move correctly in response to the centrifugal force.
  • the movable members are retained on an axle 725 which extends from the guide 420A of the cord support 400 by a guide member in the form of a washer 724. Accordingly, the washer 724 prevents axial movement of the movable members 720 along the axis 202.
  • a circular edge comprising the outer periphery of the movable members 720 comprises a second engagement member 740, which may comprise one or more teeth which are configured as described in the above.
  • both of the movable members 720 comprise the second engagement members 740, however it will be appreciated that in other examples only one of the movable members 720 may comprise the second engagement members 740.
  • first engagement members 510 are as described in the above.
  • the biasing member 730 applies a force which urges the movable members 720 together into the second disengaged position as shown in figure 6A, wherein the first and second engagement members 740, 510 are disengaged from each other.
  • the centrifugal force when above the first predetermined magnitude, causes the movable members 720 to move outward and apart from the second disengaged position to the first engaged position, as shown in figure 6B, wherein the first and second engagement members 740, 510 are engaged with each other.
  • the body 810 is substantially square shaped.
  • the square is orientated with a centre aligned to axis 202, and is arranged to abut the guide 420A of the cord dispenser 400.
  • the body is composed of two rectangular movable members, hence a first and second movable member 820A, 820B.
  • first and second movable member 820A, 820B are the second engagement members 830, which are in the form of one tooth per vertex.
  • FIG. 8 An alternative example of the mechanism of the first embodiment shown in figure 5 is shown in the fourth embodiment in figure 8.
  • the arm 920 is connected to the guide 420A of the cord dispenser 400 by means of a pivot 922.
  • the pivot 922 is positioned on a line which extends between the centre of the guide (at the axis 202) and its circumference.
  • a second engagement member 930 comprising teeth that are configured as discussed in the above, is positioned distal from the pivot 922, such that it is movable in response to a centrifugal force above a predetermined magnitude from a second disengaged position to a first engaged position, wherein the first engagement member 930 is engaged with the second engagement member 510 of the stationary support 200.
  • a biasing member 940 in the form of a spring is arranged to bias the arm 902 into the second disengaged position.
  • the biasing member and second engagement member are positioned on the same portion of the arm, and the pivot is positioned distal from the biasing member and engagement member.
  • Figure 9 shows a fifth embodiment of a restraining mechanism.
  • the restraining mechanism 1000 comprises guide members 101 OA, B, C which protrude outwardly from the guide 420A to form a channel for retaining a biasing member 1020.
  • a second engagement member 1010 is retained in a second disengaged position, as shown in figure 9, by the biasing member 1020.
  • the second engagement member 1010 comprises a tooth which is configured as discussed in the above.
  • a weight 1030 such as a ball bearing, is positioned within the biasing member 1020, between the second engagement member 1010 and axis 202, such that rotation of the cord dispenser 400 causes a centrifugal force to be applied to the weight.
  • the centrifugal force exceeds a predetermined amount the weight applies a force to the second engagement member which is sufficient to move the second engagement member 1010 from the second disengaged position to a first engaged position.
  • the first and second engagement members 1010, 510 are engaged with each other as discussed in the above.
  • Figure 10 shows an exploded view of a sixth embodiment of the invention.
  • the restraining mechanism 1500 comprises an arm arrangement which is similar to that of the first embodiment.
  • the restraining mechanism 1500 comprises an arm 1520 with a first portion 1524 and second portion 1525 disposed on opposite sides of a pivot 1522.
  • a second engagement member 1530 extends from the first portion 1524 of the arm, which is in the form of a tooth, and is shaped to fit into cut-outs of first engagement members 1510.
  • the first engagement members 1510 are part of a stationary support 1400 and are arranged to extend around a cord dispenser 1500.
  • the arm 1520 is biased from a first engaged position, wherein the first and second engagement members are engaged with each other, to a second disengaged position by means of a biasing member 1540.
  • the biasing member 1540 comprises an extension spring which is arranged to urge a connecting pivot 1527 of the second portion 1525of the arm towards a spring mounting point 1542.
  • the sixth embodiment differs from the earlier embodiments in that a coil spring biasing member 1530 is arranged within the cord dispenser 1500 and a cord 1300 (not shown) coiled around a recess 1502 of the cord dispenser 1500 which extends around the coil spring biasing member 1530. In this way the size of the device can be minimised.
  • the sixth embodiment further differs from the earlier embodiments in that the guide 1520A of the cord dispenser 1500 to which the components of the restraining mechanism 1500 are attached comprises an arm engagement member 1550 configured to limit a position of the arm 1520 when in the first and / or second position.
  • the arm engagement member 1550 comprises a first abutment portion 1552 arranged to engage with the arm when in the first engaged position, and a second abutment portion 1554 arranged to engage with the arm when in the second disengaged position.
  • the first abutment portion 1552 comprises a protrusion that projects outwardly from the guide 1520A and engages with an outer edge 1521 of the arm 1520.
  • the second abutment portion 1554 comprises a protrusion which projects outwardly from the guide 1520A and engages with an inner edge 1522 of the arm 1520.
  • FIG. 1 1 shows an exploded view of a seventh embodiment of the invention.
  • the restraining mechanism 2000 comprises an arm arrangement which is similar to that of the first and sixth embodiments.
  • the restraining mechanism comprises an arm 2020 with a first portion 2024 and second portion 2026 disposed about a pivot 2022.
  • a second engagement member 2030 extends from the first portion 2024 of the arm, which in this embodiment comprises teeth arranged to fit into cut-outs of first engagement members 2010.
  • the first engagement members 2010 are part of a stationary support 1800 and are arranged to extend around a cord dispenser 1900 in four portions, each comprising four teeth.
  • the arm 2020 is biased from a first engaged position, wherein the first and second engagement members are engaged with each other, to a second disengaged position by means of a biasing member 2040.
  • the biasing member comprises a strip of resilient material, which is located in a first slot 2028 of the second engagement portion 2026 and in a second slot of the cord dispenser 1900. Accordingly, the biasing member 2040 applies a biasing force in bending.
  • the biasing member is relatively inexpensive and easy to assemble in position.
  • a further feature of the seventh embodiment is that a number of the components are formed to snap fit together.
  • the cord dispenser 1900 comprises a body portion 1910 having an interior portion 1912, for housing the coil spring biasing member in a similar manner to that of the sixth embodiment, and a guide 1920, to which the restraining mechanism 2000 is attached.
  • the guide 1920 and a body portion 1910 comprise first engagement portions 1922A and second engagement portions 1922B which snap fit together.
  • the stationary support 1800 that houses the cord dispenser 1900 and restraining mechanism 2000 comprises a two part snap fit assembly.
  • the assembly comprises a body part 2002 which extends around the cord dispenser 1900 and restraining mechanism 2000, which is snap fitted to a lid 2004.
  • the snap fit portions 2006A, B extend around the periphery of the lid 2004 and body part 2002.
  • a further snap fit portion 1908 may be located at the tip of an axle 2012 which extends from the body part 2010 to allow the axle to snap fit together with the cord dispenser.
  • Figure 12 shows an exploded view of an eighth embodiment of the invention.
  • the restraining mechanism 2500 comprises a generally disc shaped body 2510 similar to that of the second embodiment.
  • the body 2510 is composed of a central rectangular portion 2521 with two movable members 2520A and 2520B depending on opposite sides therefrom, the two movable members 2520A and 2520B comprising biasing members 2530 in the form of arc shaped arms 2529.
  • the first movable member 2520A extending as an arc from an end of the upper edge 2531 of the portion 2521
  • the second movable member 2520B extending as an arc from an opposite end of the lower edge 2533 of the portion 2521 .
  • the biasing members 2530 enable the first and second moveable members 2520A and 2520B to move apart in a direction which is substantially perpendicular to the upper edge 2531 and the lower edge 2533 of the portion 2521 respectively.
  • the circular edge comprising the outer periphery of the movable members 2520A and 2520B comprises a second engagement member 2540, which my comprise one of more teeth which are configured as described in the above.
  • both of the movable members 2520A and 2520B comprise the second engagement member 2540, however it will be appreciated that only one of the movable members 2520A and 2520B may comprise the second engagement member 2540.
  • first engagement members 2510 are as described above.
  • the centrifugal force when above the first predetermined magnitude, causes the movable members 2520A and 2520B to move outward and apart from the central portion 2521 , and from the second disengaged position to the first engaged position, wherein the first and second engagement members 2540, 2510 are engaged with each other.
  • the components are operable to be snap fitted together.
  • the body part 2502, cord dispenser 1900, and restraining mechanism 2500 are configured to be snap fitted to the lid 2504.
  • the snap fit portions 2506A extend as rods from the periphery of the lid 2504 and cooperate with holes 2506B in corresponding locations on the body 2502.
  • a further snap fit portion 1908 may be located at the tip of an axle 2512 which extends from the body part 2502 to allow the axle to snap fit together with the cord dispenser 1900.
  • the eighth embodiment is the generally square shaped body portion 2502 and correspondingly shaped lid 2504, and a moulded grip 2560 present on the inner surface 2561 of the retaining means 220 in the form of a clip to aid in holding the device 100 onto a user.
  • the restraining device 100 has been exemplified for use with a communication device such as a mobile phone, or PDA, it will be appreciated that the restraining device can be used equally as effectively with other portable objects, such as portable music players.
  • the stationary support, cord dispenser and appropriate components of the restraining mechanism, together with other associated components are made from a material which is plastic based, hence they may be formed by injection moulding or other suitable techniques. It will also be appreciated that these components may be formed from other suitable materials, such as metal, or composite.
  • All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and/or all of the steps of any method or process so disclosed, may be combined in any combination, except combinations where at least some of such features and/or steps are mutually exclusive.
  • Each feature disclosed in this specification may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
  • each feature disclosed is one example only of a generic series of equivalent or similar features.

Landscapes

  • Telephone Set Structure (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

La présente invention concerne un dispositif de limitation pour limiter un mouvement d'un dispositif de communication portable, le dispositif comprenant un mécanisme de limitation qui est actionné de façon centrifuge, de telle sorte qu'une force centrifuge causée par la rotation du distributeur de câble, lorsqu'elle est supérieure à une force centrifuge prédéterminée, actionne le mécanisme de limitation pour limiter ainsi la rotation du distributeur de câble et empêcher la distribution du câble, de telle sorte que le dispositif de communication portable est empêché de subir des dommages lorsqu'il est déposé. L'invention concerne en outre un procédé de limitation de mouvement d'un dispositif de communication portable utilisant un dispositif de limitation de l'invention.
PCT/GB2013/052971 2012-11-12 2013-11-12 Moyen de limitation de dispositif de communication et son procédé Ceased WO2014072745A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CA2890868A CA2890868A1 (fr) 2012-11-12 2013-11-12 Moyen de limitation de dispositif de communication et son procede
EP13789896.1A EP2916684A1 (fr) 2012-11-12 2013-11-12 Moyen de limitation de dispositif de communication et son procédé
US14/441,811 US20150272304A1 (en) 2012-11-12 2013-11-12 Communication device restraining means and method thereof
AU2013343230A AU2013343230A1 (en) 2012-11-12 2013-11-12 Communication device restraining means and method thereof
CN201380070077.XA CN104918515A (zh) 2012-11-12 2013-11-12 通讯装置约制组件及其方法
GB1420760.9A GB2517607A (en) 2012-11-12 2013-11-12 Communication device restraining means and method thereof

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB1220347.7A GB2509487A (en) 2012-11-12 2012-11-12 Restraining means
GB1220347.7 2012-11-12
GB1310191.0A GB2507840A (en) 2012-11-12 2013-06-07 Restraining means
GB1310191.0 2013-06-07

Publications (1)

Publication Number Publication Date
WO2014072745A1 true WO2014072745A1 (fr) 2014-05-15

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ID=47470475

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PCT/GB2013/052971 Ceased WO2014072745A1 (fr) 2012-11-12 2013-11-12 Moyen de limitation de dispositif de communication et son procédé

Country Status (7)

Country Link
US (1) US20150272304A1 (fr)
EP (1) EP2916684A1 (fr)
CN (1) CN104918515A (fr)
AU (1) AU2013343230A1 (fr)
CA (1) CA2890868A1 (fr)
GB (3) GB2509487A (fr)
WO (1) WO2014072745A1 (fr)

Families Citing this family (1)

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US11993477B2 (en) * 2020-08-18 2024-05-28 Checkmate Lifting & Safety Ltd Retractable tool lanyard

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WO2008008225A2 (fr) * 2006-07-10 2008-01-17 Sigma Industries, Llc Dispositif de sécurité de corde de sauvetage rétractable
US20080083797A1 (en) * 2006-10-05 2008-04-10 Myers Gregory B Stick-on security ring for a hand held device

Also Published As

Publication number Publication date
AU2013343230A1 (en) 2015-05-28
GB2507840A (en) 2014-05-14
EP2916684A1 (fr) 2015-09-16
GB2517607A (en) 2015-02-25
GB201310191D0 (en) 2013-07-24
GB201220347D0 (en) 2012-12-26
US20150272304A1 (en) 2015-10-01
GB2509487A (en) 2014-07-09
CA2890868A1 (fr) 2014-05-15
CN104918515A (zh) 2015-09-16
GB201420760D0 (en) 2015-01-07

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