WO2002008560A1 - Patin d'echelle anti-glisse a platine souple - Google Patents
Patin d'echelle anti-glisse a platine souple Download PDFInfo
- Publication number
- WO2002008560A1 WO2002008560A1 PCT/FR2001/002429 FR0102429W WO0208560A1 WO 2002008560 A1 WO2002008560 A1 WO 2002008560A1 FR 0102429 W FR0102429 W FR 0102429W WO 0208560 A1 WO0208560 A1 WO 0208560A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ladder
- plate
- support
- angles
- block
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/48—Ladder heads; Supports for heads of ladders for resting against objects
Definitions
- the invention relates to anti-slip pads for ladders, of the type sandwiched between the ladder and a support against which the ladder is pressed obliquely.
- Such a sleeve has an interior light complementary to the geometry of the upright is placed on the scale after spacing of a longitudinal cut.
- the main object of the invention is to solve this drawback, that is to say to provide an anti-slip pad for a ladder which remains in place when the ladder is slid against a support, and more generally has a robustness. increased.
- an anti-slip device for a ladder comprising a flexible plate and means for holding the flexible plate overlapping an amount of the scale so that the flexible plate is interposed between the upright and a lateral support of the ladder, characterized in that it comprises an element adjacent to one end of the plate provided with means of direct fixing between this element and the ladder so as to form a mechanical protective barrier between the end of the plate and a lateral support of the ladder.
- FIG. 1 is an exploded perspective view of a skate according to the invention
- FIG. 1 is a side view of a sole of the skate of Figure 1;
- FIG. 3 is a side view of an assembly formed by a shell and the shoe of the plate of Figure 1;
- the device is composed of three essential elements, which are two metal angles 100a and 100b and a plate made of elastomeric material 200.
- the assembly formed by these three elements is intended to cover a part of approximately half a meter with a ladder. For this it substantially forms a U-shaped channel, the bottom of which is constituted by the elastomeric plate 200 and the sides by the metal angles 100a and 100b.
- each metal angle 100a and 100b consists of two wings 110 and 120 extending in the main direction of the scale and oriented at 90 ° relative to each other.
- the wing 110 forms one side of the U and the wing 120 extends in the main plane of the plate 200, forming the bottom of the U with the latter.
- the wing 120 fits into the plate 200 in a nesting direction parallel to the plane of the plate.
- the plate 200 in fact consists of two main blocks 210 and 220 both extending in the main plane of the plate, between which there is a free space 230 forming a separation layer, occupied only by junction bridges 240 linking the two blocks 210 and 220.
- This free space 230 has a spacing equal to the thickness of the bottom wing 120 of each angle iron 100a and 100b, so that the nesting takes place practically without play.
- the plate 200 has a length less than that of the angles 100a and 100b and that the bottom wings 120 each have two bulges 122 and 124 on the upper face at their ends which comes to block the ends of the upper block 220 of the plate.
- the U-shaped channel formed by these two angles 100a and 100b and by this bottom plate 200 is placed in overlap with an amount of scale for that the plate 200 comes to come between the upright and a support chosen for this scale.
- the block 210 which forms the outer face of the bottom of the U, is interposed between the support of the ladder and the metal wall of the bottom of the U formed by the wings 120 previously described.
- Block 220 which forms the inner face of the bottom of the U, is sandwiched between the amount of the ladder and the metal wall at the bottom.
- the metal lateral wings 110 are fitted with hooks 112 which extend laterally towards the outside of the U, and the hooks 112 retain elastic tensioners which surround the upright opposite the plate 200.
- These hooks are of the U type for detachably holding an end bead of the tensioner, possibly equipped with a handle.
- the angles 100a and 100b are held against one another by two clamping bolts which pass through them at the end. By this second attachment, the plate 200 is held between the two angles 100a and 100b.
- the angles 100a and 100b have, for maintaining the patina without destructive tightening, cutouts 126 on the inner edge 125 of the bottom wing 120, which, when joined, form windows receiving the bridges 240 of the plate in a complementary manner. .
- each bottom flange 120 come to bear against one another, so that the angles 100a and 100b are in metal-to-metal support, giving the assembly a perfect rigidity of assembly after bolting .
- These inner edges 125 also have projections 127 in the direction of the opposite angle, associated with cutouts 128 of the opposite angle, for direct mutual interlocking of the bottom wings 120, promoting the holding of the assembly and facilitating assembly. angles with the plate.
- the opposite angle also has this type of projection 127, and the first angle has complementary cutouts128.
- the elastomer block 210 has a sufficient thickness so that the support in question does not come into contact with the angles 100a and 100b in their current part. Conversely, the angles 100a and 100b each form, in the vicinity of each of its ends and on the underside of the bottom of the U-shaped channel, a projection 130 towards the support of the ladder which exceeds the thickness of the elastomer block 210.
- Each protrusion 130 has the form of a corrugation detaching from the plane of the bottom wing 120, and joining this plane thereafter.
- the height of this ripple 130 is such that it exceeds the external block 210 towards the support of the ladder.
- the protuberances 130 having the same width as the bottom wings 120, they are provided to come to bear against one another in pairs.
- the block 210 is framed at each of its longitudinal ends by a rigid sliding ramp which exceeds it towards the support and protects its ends of the elastomer from being torn off by the support.
- the sliding ramp constitutes a springboard for the protruding supports liable to damage the elastomer.
- the edge of the gutter slides against a sliding ramp, takes off from the device, and comes to rest against the current part of the elastomeric plate 200.
- the current part of the block 210 comes in direct junction against each protuberance 130, thus offering no grip to any projecting support.
- the internal block 210 gradually departs from the internal block 220, forming opposite the internal block 220 a rounded slope 212 matching the corrugation 130 in the slope facing the elastomer of this corrugation 130.
- the 'bottom wing 120 and the corrugation 130 which covers it circulate in this zone where the space between the two blocks 110 and 120 gradually widens.
- the space between the wing 120 and the associated corrugation 130 is occupied by a third block 250 of the plate 200, again connected to the first two by bridges 252 and 254.
- a third block 250 of the plate 200 again connected to the first two by bridges 252 and 254.
- the end of the current part of the plate 200 is thus held against the corresponding slope of the corrugation 130, the third block 250 retained under the corrugation 130 thus retaining the current part of the external block 210 by the bridge 254.
- the block 250 retains the internal block 220 in the same way against the bottom wings 120, through the wings 120 by means of the bridges 252.
- each angle iron 100a and 100b has a passage for clamping screw 129 under each upper bulge 124 of the bottom wing 120.
- the device includes an additional part, constituted by this bracket, intended to be fixed by means of the reservation 129bis in a position where this additional part is able to pinch part of an amount of scale.
- the hooks 112 are three in number, formed on parts 114 locally more extended away from the bottom of the U than the rest of the lateral wing 110. These larger parts 114 are however shorter than the width of an amount of scale measured transversely to the main plane of the scale, to ensure that the elastic retaining force exerted by the tensioners retains the bottom of the U against the amount of the scale.
- Each enlarged part 122, 124 of the lateral wing 110 also forms a projecting part 131 at the end of each angle.
- this part 131 forming a projecting border constitutes a stop for a support against which the ladder is possibly slid, protecting by its salient nature the rest of the device, and in particular the part 114.
- This projecting part 131 has a rounded shape when observed laterally to the parts 114. Thus, a support arriving in abutment against this border 131 is pushed back under the ladder, the rounded part operating in the manner of a first springboard facing of such support.
- the present device has the advantage of being able to be set up on different types of ladders, and moreover the device is symmetrical so that it is set up without requiring significant attention from the user.
- the flexible plate 200 not only follows the support but also the amount of scale, further increasing the adaptability of this device.
- the flexible plate is for example made of natural rubber, synthetic, or elastomer in general.
- the angles for example, are made of iron, aluminum, pvc, or composite including glass fibers.
- the tensioners are for example made of a material known as dito platinum.
- the device offers the advantage for the user to be set up at any level of the ladder, which leaves the choice of going beyond the top of the ladder relative to its fulcrum.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2001282231A AU2001282231A1 (en) | 2000-07-26 | 2001-07-25 | Non-skid ladder shoe with flexible plate |
| EP01960833A EP1305496A1 (fr) | 2000-07-26 | 2001-07-25 | Patin d'echelle anti-glisse a platine souple |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0009767A FR2812337B1 (fr) | 2000-07-26 | 2000-07-26 | Patin d'echelle anti-glisse a platine souple et structure amelioree |
| FR00/09767 | 2000-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2002008560A1 true WO2002008560A1 (fr) | 2002-01-31 |
Family
ID=8852913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2001/002429 Ceased WO2002008560A1 (fr) | 2000-07-26 | 2001-07-25 | Patin d'echelle anti-glisse a platine souple |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1305496A1 (fr) |
| AU (1) | AU2001282231A1 (fr) |
| FR (1) | FR2812337B1 (fr) |
| WO (1) | WO2002008560A1 (fr) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4600079A (en) * | 1985-10-24 | 1986-07-15 | Mcbride Thomas D | Non-slip resilient ladder support |
| WO1996037673A1 (fr) * | 1995-05-23 | 1996-11-28 | Thompson John G | Dispositif de dispersion des charges pour echelles portables non auto-portantes |
| US5816365A (en) * | 1997-11-19 | 1998-10-06 | Ruth; Troy L. | Ladder stabilizing device |
-
2000
- 2000-07-26 FR FR0009767A patent/FR2812337B1/fr not_active Expired - Fee Related
-
2001
- 2001-07-25 EP EP01960833A patent/EP1305496A1/fr not_active Withdrawn
- 2001-07-25 WO PCT/FR2001/002429 patent/WO2002008560A1/fr not_active Ceased
- 2001-07-25 AU AU2001282231A patent/AU2001282231A1/en not_active Abandoned
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4600079A (en) * | 1985-10-24 | 1986-07-15 | Mcbride Thomas D | Non-slip resilient ladder support |
| WO1996037673A1 (fr) * | 1995-05-23 | 1996-11-28 | Thompson John G | Dispositif de dispersion des charges pour echelles portables non auto-portantes |
| US5816365A (en) * | 1997-11-19 | 1998-10-06 | Ruth; Troy L. | Ladder stabilizing device |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1305496A1 (fr) | 2003-05-02 |
| FR2812337B1 (fr) | 2002-10-11 |
| AU2001282231A1 (en) | 2002-02-05 |
| FR2812337A1 (fr) | 2002-02-01 |
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