EP0598874B1 - Echelle, kit et dispositif d'appui pour echelle - Google Patents

Echelle, kit et dispositif d'appui pour echelle Download PDF

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Publication number
EP0598874B1
EP0598874B1 EP93912525A EP93912525A EP0598874B1 EP 0598874 B1 EP0598874 B1 EP 0598874B1 EP 93912525 A EP93912525 A EP 93912525A EP 93912525 A EP93912525 A EP 93912525A EP 0598874 B1 EP0598874 B1 EP 0598874B1
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EP
European Patent Office
Prior art keywords
ladder
positioning support
contact faces
action
directions
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.)
Expired - Lifetime
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EP93912525A
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German (de)
English (en)
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EP0598874A1 (fr
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Edwin Busenhart
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Individual
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Individual
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    • 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
    • E06C7/482—Supports specially adapted for resting the ladder against or in a corner
    • 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 ladders with two spars connected by rungs, which form a foot end and an opposing upper end of the line and can be freely adjusted to wall surfaces via a stand, as well as a kit and a stand for ladders.
  • a very large variety of ladder models are produced: from, for example, the simplest wooden ladders, aluminum ladders, fixed ladders to complicated, for example combined pull-out and fixed ladders.
  • Simple step ladders have the advantage that a certain distance between the user and the wall is created by tilting it against the wall, so that furniture, or any room structure, or for example garden strips in the lower corner area are bridged from the floor to the wall and depending on the length of the ladder do not bother.
  • step ladders there is an optimal angle of attack of around 70 °, which corresponds to safety standards and regulations.
  • Leaflets are supplied by many accident prevention authorities and ladder manufacturers, to which reference is made that such risky applications are prohibited to avoid major accident risks.
  • US Pat. No. 3,715,012 suggests attaching a jack to the top jack of a ladder that opens in a forked or V-shape toward the target. This is intended to increase the security of the ladder, generally rounded objects such as telegraph poles, trees, but also on the outside corners of buildings. This solution allowed by additional Attaching freely protruding flanges aligned with wall surfaces, the conductors should also be placed on flat wall surfaces. However, queuing at inside corners is not possible.
  • US Pat. No. 5,012,895 shows a large number of different jack supports.
  • a special job support can be selected or installed specifically adapted, e.g. For flat wall surfaces, building protrusions, sloping ceilings, inside corners and outside corners.
  • the concept is geared towards erecting scaffolding on buildings and allows the conductors to be secured as much as possible, especially with a cable pull that is also stretched around the building. Since, according to US Pat. No. 5,012,895, a special head has to be mounted for the majority of the conductor uses, this concept is not suitable for the classic freely adjustable ladder. There are advantages only when used for days or weeks in a special position, as is common in scaffolding.
  • the invention was based on the object, in particular to increase the safety for ladder users so that corresponding accidents can be avoided as much as possible - also greatly expand the safe use of step ladders and also to avoid damage to buildings without working on ladders, respectively complicating the use of ladders. Furthermore, the invention was based on the further subtask of making existing ladders of various types / origins easy and safe to retrofit according to the invention and exchanging application-specific different ladder adjustment systems within a modular system in a matter of seconds.
  • the solution according to the invention for the ladder and for the prop stand is characterized in that the prop stand has two support paws with elastic contact surfaces which are effective in three spatial directions and which are in pairs are mirror images of the respective wall surface, with the contact surfaces pointing inwards when using the ladder for outside corners, outwards for inside corners and forward for flat wall surfaces.
  • the new solution does not limit the free adjustability in any way and, in the vast majority of cases, allows the ladder to be used quickly, easily and safely, especially on straight wall surfaces such as inside and outside corners. If additional contact surfaces are installed in other spatial directions, the various forces from work can also be counteracted. It is proposed to arrange the individual contact surfaces in pairs / mirror images of a flat wall surface and / or to the two surfaces of an inside and / or outside corner, with the contact surfaces being particularly preferably designed as adhesive elements whose direction of action lie in a common plane of action - for multifunctional usability for flat wall surfaces such as for inside and outside corners.
  • the common effective plane of the contact surfaces is arranged transversely to the two spars, or this can be brought into a transverse plane which is at an angle of preferably about 110 ° to the spars.
  • the employees can be designed as an angled, fixed continuation of both spars and the contact surfaces can be arranged on the employees.
  • the contact surfaces are formed from individual, preferably replaceable rubber or plastic-like adhesive elements, for example as rubber pins.
  • the contact surfaces can be designed as round or multi-surface shaped bodies, the contact surfaces consisting of individual surface elements oriented in different spatial directions.
  • the invention further relates to a kit for a parking support for ladders with two spars connected by rungs, which form a foot end and an opposite upper mounting end, and is characterized in that the construction kit consists of at least two transition pieces and a parking support with two support paws, with in There are elastic contact surfaces effective in three spatial directions, which are aligned in pairs in mirror image to the respective wall surface, whereby the contact surfaces point inwards when using the ladder for outside corners, outwards for inside corners and forwards for flat wall surfaces, such that the jack stand can be connected to ladders and can be used multifunctionally as an inside and outside wall corner support and as a surface support.
  • Each transition piece can be formed in two parts; a joint head part which can be firmly attached or plugged to the end of the spar, and a second clamping part which can be connected to it and fastened along the spars, preferably opposite a rung.
  • a joint head part which can be firmly attached or plugged to the end of the spar
  • a second clamping part which can be connected to it and fastened along the spars, preferably opposite a rung.
  • 80 to 90% of all existing ladders or auxiliary ladders can be retrofitted. Existing ladders are thus fully retained as material value and can be retrofitted with the novel ladder add-on system according to the invention through small bores on the two spar ends.
  • the kit has protective caps in pairs, preferably made of rubber or plastic-like material, which can be connected to the transition pieces and thus the adjustment leads at the articulation points by means of quick-release fasteners.
  • a securing element preferably a quick-action clamping element, is used for quick assembly or disassembly and / or replacement of various props or protective caps.
  • the interchangeable, modular, multifunctional jack supports usually have articulated axles with excess lengths for both bars, for mounting on ladders of different widths.
  • the contact surfaces are designed as interchangeable adhesive elements in one piece with differently oriented contact surfaces or as individual pins with an annular contact surface.
  • FIG. 1 shows a conventional, simple adjusting ladder 1, which is supported on a floor 4 via a foot end 2 and is attached to a flat wall 5 via an upper adjusting end 3.
  • the ladder 1 consists of two bars 6 and 6 'and several rungs 7.
  • the ladder 1 is leaned against the wall 5 with its bars 6 and 6' at an angle ⁇ of approximately 70 ° to the floor 4.
  • a weight G is divided according to the weight of a user into a vertical force V and a horizontal force H on the floor and a positioning force AW on the wall 5.
  • the adjusting ladder 1 is first placed vertically on the floor 4 and then parallel to the wall 8 around a vertical plane 8 'around an imaginary center line 9 on the wall 5.
  • the corresponding angle ⁇ is in addition to the angle ⁇ about 110 ° to the two spars 6 and 6 '.
  • the adjusting ladder performs a movement according to arrow AB when starting and removing from wall 5. It is assumed that, at least during use, the adjusting ladder 1 or the upper adjusting end 3 does not perform any lateral movement S within the transverse plane 10.
  • FIG. 2 is a side view of a ladder 1 against a wall 5.
  • the ladder 1 is leaned against the wall 5 via a jack 20.
  • FIG. 2a is a top view of FIG. 2 and shows the use of the ladder 1 on a flat, vertical wall surface 5.
  • FIG. 2b is also a top view of FIG. 2, but shows the use of the ladder 1 on an inner corner 21, which is separated by two corresponding wall surfaces 21 ′ or 21 ′′ standing at an angle of 90 ° to one another.
  • FIG. 2c is a further top view of FIG. 2 and shows the use of the conductor 1 on an outside corner 22, which is likewise at an angle by two corresponding ones is formed by 90 ° to each other wall surfaces 22 'and 22 ".
  • the prop 20 is shown on a larger scale in FIG. 3 and consists of two support arms 23 and 23 ', respectively, which are mirror images of a plane of symmetry 24 and are firmly connected to form a unit by means of screws 25.
  • the rubber pin 27 has an effective direction R1 parallel to the vertical plane 8 'and essentially results in a vertical positioning force AW and is intended for positioning on a flat wall 5.
  • An example of a rubber pin 27 is shown again in perspective in FIG. 3a and on a larger scale.
  • the setting force AW is transmitted to the wall 5 via an annular support surface 26.
  • the pin 27 takes on very large lateral forces which result from the action of force AB or AB'.
  • the rubber pin 27 is preferably interchangeably pressed into corresponding bores 28 in the prop 20.
  • the rubber pin 27 ' is deflected at an angle of 45 ° with respect to the direction of action of the setting force AW and is intended as a bearing surface 26 for an inner corner 21.
  • the setting force AW is divided into an effective direction R2 and an effective direction R2 'offset by 90 ° between the two support arms 23 and 23', respectively. It can also be seen from FIG.
  • a support paw 29 of the support arm 23 ' is indicated by a dashed line.
  • FIGS. 4, 4a, 4b and 4c which, in analogy to FIGS. 2 to 2c, shows the use of a ladder 1 on a flat wall 5 or on an inside or outside corner 21 or 22.
  • the support paws 29 are identical to the embodiment in FIG. 3.
  • the two support paws 29 in FIGS. 4, 4a, 4b, 4c represent an extension of the spars 6 and 6 ', respectively, with the hiring end 3 at an angle ⁇ of approximately 110 ° is angled.
  • the transition arch 40 can be part of the spar profile itself. This solution is particularly suitable for rather short, one-piece, very inexpensive ladders.
  • FIGS. 5 and 5a show a variant of FIGS. 4 with an adjusting element 20 ', for example screwed firmly onto the bars.
  • Figures 6 and 6a correspond to Figure 4.
  • FIGS. 7 and 7a have a hinge 41 which establishes the connection from the adjusting element 20 ′′ to the bars 6, 6 ′.
  • the hinge 41 can be brought into an extended position (dashed line) when the ladder is not in use, so that only a small space is required for storage.
  • a stop 42 ensures the determination of the working position.
  • FIGS. 8 and 8a show the use of the parking supports 20 on a ladder 1 with the attachment via the articulated axes 30 and 30 ', respectively. It can be seen from FIG. 8 that different conductor widths LB can be connected to the joint axes 30 and 30 ', respectively, since the corresponding dimension Spi or Spa of the joint axes 30, 30' is designed in accordance with the largest and smallest conductor widths.
  • FIGS. 9 , 9a, 9b and 9c show a simplified form of the support paws 29a, here the support paw 29a being formed from a single rubber or plastic body.
  • the support pawl 29a has an inner, front and outer bearing surface 50, 51 and 52, respectively, the inner bearing surface 50 forming an angle ⁇ of approximately 90 ° with the outer bearing surface 52.
  • a disk-shaped support paw 29b has been used in FIGS. 10 , 10a, 10b and 10c.
  • FIGS. 11 and 11a show the upper connecting end 3 of a ladder 1.
  • a transition piece 60 which is mounted on the top of the head and along the inside of the bars 6 and 6'.
  • Each transition piece 60 consists of an articulated head upper part 61 and a tensioning part 62.
  • the articulated head upper part 61 has a shape adapted to the top of the head and can be secured by means of split pins 63 in the spars 6 and 6 ', respectively.
  • the clamping part is connected to the joint head upper part 61 via cams 64 and is clamped to the joint head upper part 61 with respect to a rung 7 by means of a clamping nut 65.
  • the top of the joint head part 61 has an articulation point 66 on the end face, which is designed for fastening, for example the articulation axes 30 and 30 ', respectively, in accordance with FIGS. 2 and 3.
  • the articulation axis 30 and 30' (axis of rotation 31) is opposite the Transition piece 60 secured.
  • FIGS. 11b, 11c and 11d have three different shapes of transition fittings 68, 68 'and 68 ", respectively, so that the transition piece can also be adapted to different pillar brands / spar shapes.
  • a rubber stop 69 is also fixedly attached to the transition piece 60.
  • the rubber stop 69 has one Double function: on the one hand it represents a gentle support on a flat wall 5, on the other hand the rubber stop 69 also serves as a stop for the support 20 (FIGS. 2, 2a, 2b, 2c).
  • FIGS. 12, 12a, 12b and 12c show the use of protective caps 70, which are used on each spar 6, 6 ', for example in place of the prop 20 with the same Type of attachment can be placed by means of the quick release elements 67.
  • the protective caps allow the conductors to be placed on highly sensitive surfaces to avoid damage and protect the transition pieces 60 from contamination.
  • FIGS. 13, 13a to 13e show a surface support 80 which, in analogy to FIGS. 2, 2a to 2c, can be fastened to the transition piece of a ladder 1 via an axis of rotation 31 or joint axis 30, 30 '.
  • the surface support 80 shows the double use of the support arms, which are arranged here offset as a pair in height.
  • the upper - 81 and lower support part 82 are each adjustable via a grid axis of rotation 84/85 and fastened to the connecting rod 83.
  • FIG. 13a shows the use of the surface support on a flat wall 5, FIG. 13b on an inside corner and FIG. 13c on an outside corner.
  • both support parts 81 and 82 can be pivoted outwards or inwards about a vertical pivot 84 or 85, respectively, and inwards.
  • FIG. 13d shows the support parts 81 and 82 in the pivoted-in position on a straight wall 5.
  • FIG. 13e shows the pivoted-out position in which the support surface is almost doubled compared to FIG. 13d.
  • the solutions in FIGS. 13d and 13e are particularly suitable for placing a ladder directly on glass or other highly sensitive surfaces.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
  • Programmable Controllers (AREA)

Claims (26)

  1. Echelle comprenant deux montants, reliés par des barreaux, dont l'une des extrémités forme un pied et l'extrémité supérieure opposée forme un appui, et qui peut être posée librement contre un mur à l'aide d'une surface d'appui,
       caractérisée en ce que la surface d'appui (20) est munie de deux pattes d'appui (29, 29a, 29b) formées de surfaces de contact (26, 50, 51, 52) souples, qui agissent dans trois directions dans l'espace, lesquelles sont orientées en couple inversé vers chaque surface murale, les surfaces de contact étant orientées vers l'intérieur lorsque l'échelle est appuyée contre un angle de mur saillant (22), vers l'extérieur pour un angle de mur intérieur (21) et vers l'avant sur une surface murale plane (5).
  2. Echelle selon la revendication 1, caractérisée en ce que les pattes d'appui (29, 29a, 29b) sont munies de corps moulés (27), ordonnés en couple, formés de surfaces de contact orientées efficacement dans au moins trois directions dans l'espace.
  3. Echelle selon la revendication 1 ou 2, caractérisée en ce que les corps moulés (27) sont conçus comme des éléments d'adhérence démontables, en forme de tampons en caoutchouc.
  4. Echelle selon l'une quelconque des revendications 1 à 3, caractérisée en ce que les directions effectives (R1, R2, R3) des surfaces de contact (26, 50, 51, 52) sont disposées dans un plan actif commun ou dans des plans actifs parallèles.
  5. Echelle selon la revendication 1, caractérisée en ce que les surfaces de contact (26, 50, 51, 52) sont conçues sous forme de corps moulés ronds ou formés de plusieurs facettes, dont les surfaces de contact (50, 51, 52) sont constituées d'éléments séparés orientés dans diverses directions dans l'espace.
  6. Echelle selon l'une quelconque des revendications 1 à 5, caractérisée en ce que les deux pattes d'appui (29, 29a, 29b) sont munies chacune de trois surfaces de contact (26, 50, 51, 52), dont la direction effective couvre chaque fois un angle égal à deux fois 45°.
  7. Echelle selon l'une quelconque des revendications 1 à 6, caractérisée en ce que la surface d'appui (20) est munie d'un système de fixation avec une surlongueur, afin de pouvoir la fixer sur des montants de différentes largeurs ou des montants disposés à différentes distances.
  8. Echelle selon la revendication 7, caractérisée en ce qu'elle est munie d'éléments de sécurité, en particulier des éléments à serrage rapide (67), afin d'être montée ou démontée rapidement avec des pièces de serrage susceptibles d'être bloquées.
  9. Echelle selon l'une quelconque des revendications 1 à 6, caractérisée en ce que les pattes d'appui (29, 29a, 29b) forment des rallonges coudées des deux montants (6, 6'), de telle sorte que le(s) plan(s) actif(s) des surfaces de contact est (sont) disposé(s) transversalement par rapport aux deux montants (6, 6') ou peu(ven)t être amené (s) dans un plan transversal (10), qui forme avec les montants (6, 6') un angle compris entre 100° et 120° environ, de préférence 110° environ.
  10. Echelle selon l'une quelconque des revendications 1 à 9, caractérisée en ce que la surface d'appui (20) peut être assemblée à l'échelle (1) par des points articulés (30, 30', 41), disposés parallèlement aux barreaux (7) de l'échelle (1), et, à l'état monté, forme une saillie coudée par rapport aux montants (6, 6') bloquée par des butées (42).
  11. Surface d'appui, susceptible d'être fixée à une échelle, comprenant deux montants reliés par des barreaux, dont l'une des extrémités forme un pied et l'extrémité supérieure opposée forme un appui, et qui peut être posée librement contre un mur à l'aide d'une surface d'appui,
       caractérisée en ce que la surface d'appui (20) est munie de deux pattes d'appui (29, 29a, 29b) formées de surfaces de contact (26, 50, 51, 52) souples, qui agissent dans trois directions dans l'espace, lesquelles sont orientées en couple inversé vers chaque surface murale, les surfaces de contact étant orientées vers l'intérieur lorsque l'échelle est appuyée contre un angle de mur saillant (22), vers l'extérieur pour un angle de mur intérieur (21) et vers l'avant sur une surface murale plane (5).
  12. Surface d'appui selon la revendication 11, caractérisée en ce que les pattes d'appui (29, 29a, 29b) sont munies de corps moulés (27), ordonnés en couple, formés de surfaces de contact orientées efficacement dans au moins trois directions dans l'espace.
  13. Surface d'appui selon la revendication 11 ou 12, caractérisée en ce que les corps moulés (27) sont conçus comme des éléments d'adhérence démontables, en forme de tampons en caoutchouc.
  14. Surface d'appui selon l'une quelconque des revendications 11 à 13, caractérisée en ce que les directions effectives (R1, R2, R3) des surfaces de contact (26, 50, 51, 52) sont disposées dans un plan actif commun ou dans des plans actifs parallèles.
  15. Surface d'appui selon l'une quelconque des revendications 11 à 12, caractérisée en ce que les surfaces de contact (26, 50, 51, 52) sont conçues sous forme de corps moulés ronds ou formés de plusieurs facettes, dont les surfaces de contact (50, 51, 52) sont constituées d'éléments séparés orientés dans diverses directions dans l'espace.
  16. Surface d'appui selon l'une quelconque des revendications 11 à 15, caractérisée en ce que les deux pattes d'appui (29, 29a, 29b) sont munies chacune de trois surfaces de contact (26, 50, 51, 52), dont la direction effective couvre chaque fois un angle égal à deux fois 45°.
  17. Surface d'appui selon l'une quelconque des revendications 11 à 16, caractérisée en ce que la surface d'appui (20) est munie d'un système de fixation avec une surlongueur, afin de pouvoir la fixer sur des montants de différentes largeurs ou des montants disposés à différentes distances.
  18. Surface d'appui selon la revendication 9, caractérisée en ce qu'elle est munie d'éléments de sécurité, en particulier des éléments à serrage rapide (67), afin d'être montée ou démontée rapidement avec des pièces de serrage.
  19. Surface d'appui selon l'une quelconque des revendications 11 à 18, caractérisée en ce que la surface d'appui (20) peut être assemblée à l'échelle (1) par des points articulés (30, 30', 41), disposés parallèlement aux barreaux (7) de l'échelle (1), et, à l'état monté, forme une saillie coudée par rapport aux montants (6, 6') bloquée par des butées (42).
  20. Ensemble de pièces détachées pour une surface d'appui destinée à des échelles comprenant deux montants, reliés par des barreaux, dont l'une des extrémités forme un pied et l'extrémité supérieure opposée forme un appui,
       caractérisé en ce que l'ensemble de pièces détachées est muni d'au moins deux pièces de raccord (60), ainsi que d'une surface d'appui (20) comprenant deux pattes d'appui (29, 29a, 29b) formées de surfaces de contact (26, 50, 51, 52) souples, qui agissent dans trois directions dans l'espace, lesquelles sont orientées en couple inversé vers chaque surface murale, les surfaces de contact étant orientées vers l'intérieur lorsque l'échelle (1) est appuyée contre un angle de mur saillant (22), vers l'extérieur pour un angle de mur intérieur (21) et vers l'avant sur une surface murale plane (5), de telle sorte que la surface d'appui (20), susceptible d'être assemblée à des échelles (1), peut remplir de multiples fonctions comme appui pour des angles muraux intérieurs, appui pour des angles muraux saillants et appui contre une surface murale plane.
  21. Ensemble de pièces détachées selon la revendication 20, caractérisé en ce que la surface d'appui (20) est munie d'un système de fixation avec une surlongueur, afin de pouvoir la fixer sur des montants de différentes largeurs ou des montants disposés à différentes distances.
  22. Ensemble de pièces détachées selon la revendication 20 ou 21, caractérisé en ce qu'il est muni d'éléments de sécurité, en particulier des éléments à serrage rapide (67), afin d'être montée ou démontée rapidement avec des pièces de serrage.
  23. Ensemble de pièces détachées selon l'une quelconque des revendications 20 à 22, caractérisé en ce qu'il est muni de deux pattes d'appui (29, 29a, 29b), sur lesquelles sont montés des corps moulés ou des éléments d'adhérence comprenant chacun trois surfaces de contact (26, 50, 51, 52), dont la direction effective couvre un angle égal à deux fois 45°, afin d'être utilisé sous forme de tête à triple fonction.
  24. Ensemble de pièces détachées selon la revendication 23, caractérisé en ce que les corps moulés (27) sont conçus comme des éléments d'adhérence démontables, en forme de tampons en caoutchouc.
  25. Ensemble de pièces détachées selon l'une quelconque des revendications 20 à 24, caractérisé en ce que les directions effectives (R1, R2, R3) des surfaces de contact (26, 50, 51, 52) sont disposées dans un plan actif commun ou dans des plans actifs parallèles.
  26. Ensemble de pièces détachées selon l'une quelconque des revendications 20 à 25, caractérisé en ce que les surfaces de contact (26, 50, 51, 52) sont conçues sous forme de corps moulés ronds ou formés de plusieurs facettes, dont les surfaces de contact (50, 51, 52) sont constituées d'éléments séparés orientés dans diverses directions dans l'espace.
EP93912525A 1992-06-16 1993-06-15 Echelle, kit et dispositif d'appui pour echelle Expired - Lifetime EP0598874B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH188892 1992-06-16
CH1888/92 1992-06-16
PCT/CH1993/000154 WO1993025793A1 (fr) 1992-06-16 1993-06-15 Echelle, kit et dispositif d'appui pour echelle

Publications (2)

Publication Number Publication Date
EP0598874A1 EP0598874A1 (fr) 1994-06-01
EP0598874B1 true EP0598874B1 (fr) 1997-01-15

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EP93912525A Expired - Lifetime EP0598874B1 (fr) 1992-06-16 1993-06-15 Echelle, kit et dispositif d'appui pour echelle

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EP (1) EP0598874B1 (fr)
JP (1) JPH06509853A (fr)
AT (1) ATE147829T1 (fr)
AU (1) AU669908B2 (fr)
CA (1) CA2115752A1 (fr)
DE (1) DE59305140D1 (fr)
DK (1) DK0598874T3 (fr)
ES (1) ES2096919T3 (fr)
GB (1) GB2279102A (fr)
WO (1) WO1993025793A1 (fr)

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WO1994029561A2 (fr) * 1993-06-15 1994-12-22 Edwin Busenhart Echelle avec appui, dispositif de fixation, appui et systeme modulaire de construction d'echelles legeres
AU5808496A (en) * 1995-06-14 1997-01-15 Edwin Busenhart Ladder, in particular ladder head, and running gear for simple ladders
WO1998035125A1 (fr) * 1997-02-07 1998-08-13 Edwin Busenhart Echelle droite avec un dispositif antiderapant et couche intermediaire adhesive pour echelles droites
GB2341882B (en) * 1998-09-25 2003-04-09 John Charles Share A dual purpose ladder stand-off
EP1249573A3 (fr) 2001-04-14 2003-09-17 Benno Hälg Support pour le positionnement d'une échelle
US6691829B1 (en) 2002-04-12 2004-02-17 John J. Stelmach Gutter guard
JP4498147B2 (ja) * 2005-01-07 2010-07-07 株式会社東芝 転倒防止機能付梯子
GB2453123A (en) * 2007-09-26 2009-04-01 Sandpiper Construction Ltd Ladder rest
GB2453584A (en) * 2007-10-12 2009-04-15 Rojak Design Ltd Ladder stabiliser for use with a ladder positioned against a wall
US10030448B2 (en) 2015-11-26 2018-07-24 Terry James Miller Ladder stabilization apparatus with adjustable bracing members for use on inside and outside corners of a structure
SE1651198A1 (en) 2016-09-07 2018-03-08 Vare Invent AB Platform ladder apparatus

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Publication number Priority date Publication date Assignee Title
GB260403A (en) * 1925-10-01 1926-11-04 Robert Edward Irving Improvements in or relating to non-slipping supports for the ends of ladders or the like
FR1121612A (fr) * 1955-01-27 1956-08-22 Stabilisateur d'échelle
US3072218A (en) * 1960-04-27 1963-01-08 Peters John Stand-off ladder bracket
FR1480212A (fr) * 1966-03-22 1967-05-12 Altilec échelle pour travaux de couverture et autres applications analogues
US3708080A (en) * 1970-11-23 1973-01-02 A Schlei Ladder bracket
US3713510A (en) * 1971-03-10 1973-01-30 Dell U O Ladder push out apparatus
US3715012A (en) * 1971-09-27 1973-02-06 A Perry Safety ladder brace
FR2166783A5 (fr) * 1972-01-05 1973-08-17 Arnold Emile
CA1188276A (fr) * 1982-02-12 1985-06-04 Frank Shandala Accessoire pour echelle
GB8717870D0 (en) * 1987-07-28 1987-09-03 Ronnoco Eng Ltd Securing means for ladder
US4754842A (en) * 1988-01-26 1988-07-05 Southern Don L Ladder safety device
US5012895A (en) * 1989-02-08 1991-05-07 Joseph H. Couch, IIII Ladder stabilizer comprising top extension arms and attached stabilizer bars
US5121814A (en) * 1990-04-06 1992-06-16 Southern Don L Adjustable ladder stand-off brace for corner walls
US5165641A (en) * 1990-04-17 1992-11-24 Southern Don L Large contact area braces for a ladder
GB9123990D0 (en) * 1991-11-12 1992-01-02 Dawson John E Ladder attachment
GB2267113A (en) * 1992-05-22 1993-11-24 Ellis Hindson Ladder corner stabilizer.

Also Published As

Publication number Publication date
CA2115752A1 (fr) 1993-12-23
GB2279102A (en) 1994-12-21
ATE147829T1 (de) 1997-02-15
DK0598874T3 (da) 1997-05-26
DE59305140D1 (de) 1997-02-27
GB9325511D0 (en) 1994-02-16
ES2096919T3 (es) 1997-03-16
WO1993025793A1 (fr) 1993-12-23
AU669908B2 (en) 1996-06-27
AU4304793A (en) 1994-01-04
JPH06509853A (ja) 1994-11-02
EP0598874A1 (fr) 1994-06-01

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