EP1028225B1 - Echelle - Google Patents

Echelle Download PDF

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Publication number
EP1028225B1
EP1028225B1 EP00102009A EP00102009A EP1028225B1 EP 1028225 B1 EP1028225 B1 EP 1028225B1 EP 00102009 A EP00102009 A EP 00102009A EP 00102009 A EP00102009 A EP 00102009A EP 1028225 B1 EP1028225 B1 EP 1028225B1
Authority
EP
European Patent Office
Prior art keywords
rungs
locking
ladder according
rung
ladder
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
Application number
EP00102009A
Other languages
German (de)
English (en)
Other versions
EP1028225A3 (fr
EP1028225A2 (fr
Inventor
Victor Krause
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.)
Guenzburger Steigtechnik Munk GmbH
Original Assignee
Guenzburger Steigtechnik Munk GmbH
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 Guenzburger Steigtechnik Munk GmbH filed Critical Guenzburger Steigtechnik Munk GmbH
Publication of EP1028225A2 publication Critical patent/EP1028225A2/fr
Publication of EP1028225A3 publication Critical patent/EP1028225A3/fr
Application granted granted Critical
Publication of EP1028225B1 publication Critical patent/EP1028225B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/08—Special construction of longitudinal members, or rungs or other treads
    • E06C7/082—Connections between rungs or treads and longitudinal members
    • E06C7/086—Connections between rungs or treads and longitudinal members with a connecting piece inserted in a hollow rung

Definitions

  • the invention relates to a ladder with hollow profiles existing spars and rungs, the spars with the Recesses associated with rungs are provided and wherein the rungs are connected to the uprights by means of detents he follows.
  • a ladder of this type is known from DE 7729785U.
  • each on the inside of the outer wall of a spar upcoming end of the rungs one from the outside via one assigned recess of the outer wall of the assigned Holms insertable connector that engages with in associated Locking recesses of the rungs snap-in locking projections is provided and a rear, on the outside of the The outer wall of the associated spar can be brought into contact Has stop head.
  • the rung-spar connection created with these measures advantageously comes with a Snap connection off. This makes it easy to achieve a high one Accuracy and strength. Because the sprouts with their Ends on the inside of the associated side wall press, can be a tight system in an advantageous manner and thus achieve good dimensional stability and any kind of Prevent lots. At the same time, this ensures that the connector without any loss of overall strength at the rear can be open, so that in the plug from the outside Blocking element for blocking the locking projections in the Rest position is insertable. This also makes it reliable Disengagement of the locking projections guaranteed in the locking position. With the measures according to the invention is therefore the beginning task in a very simple and inexpensive way solved.
  • Another advantageous measure can be that the channel delimited by the engaging connector of the plug at the rear is open and insertable from the outside, the locking projections blocking in the position assigned to the engagement position Picks up a locking element.
  • the mandrel from one to the stop head of the Plug adjustable head stick out and at least in front one with the inner end of the engaging connector of the connector have engaging detent tooth.
  • the overarching measures can be taken on the ends of the rungs can each be drawn up a sleeve whose Coat reaches through the inner wall of the associated spar and one on the end of the rung or the inside of the outer one Holmwand brings inner ring that can be brought into contact with the one Plug assigned through recess includes.
  • the called inner ring practically forms a shim between Rung and spar, due to its elasticity length tolerances the sprouts can compensate for what the manufacture simplified.
  • the insert element can be thickened in a wedge shape so that the rungs be advantageously cut to length at a right angle can, which facilitates the production of step ladders etc.
  • the main fields of application of the present invention are Plastic ladders with sections of glass fiber reinforced Plastic existing hollow profiles made spars and Sprouts.
  • the general structure of ladders with two side Holmen and these connecting rungs are known per se. In Figures 1 to 3 is therefore only one mutual area of engagement between a spar 1 and one Section 2 containing rung shown.
  • the walls 3, 4 of the hollow section forming the spar 1 are as Figure 1 reveals associated with the rungs 2 Recesses 5, 6 provided.
  • the configuration of the recess 5 of the inner spar wall 3 corresponds to the outline configuration of the Rungs 2.
  • the configuration of the recess 6 of the outer Spar wall 4 corresponds to the cross-sectional configuration of the channel-shaped cavity 7 of the rungs 2. This will achieved that the rungs 2 through the recess 5 of the inner spar wall 3 performed and with its end face 8 System on which the recess 6 of the outer spar wall 4th comprehensive edge area can be brought.
  • the rungs 2 are in Area between inner and outer spar walls 3, 4 with at least open to cavity 7, here continuous Provide recesses 9 into the inside, i.e.
  • the engagement connector 11 of the plug 12 has one of the Cross-sectional configuration of the channel-shaped cavity 7 of the Rungs 2 corresponding outline configuration.
  • the engagement connector 11 sits in the cavity 7 without play and the recess 6 adjoining this outer spar wall 4.
  • the engagement nozzle 11 is hollow Pipe socket formed, the collar-like from a rear Stops head 13 which extends in the radial direction over the The outer circumference of the engagement nozzle 11 projects like a flange and on the recess 6 of the outer spar wall 4 Edge area can be brought to the system, which means that Insertion movement of the connector 12 is limited.
  • the stop head 13 designed as a circumferential flange is in the Area of its outer edge with one of the spar walls 4 facing, axial projection 14 which is in the form of a molded onto the flange-shaped stop head 13, circumferential collar can be formed. This way there is an axial distance radially within the projection 14 between the outside of the outer spar wall 4 and the Stop head 13.
  • the distance of the contact surface of the projection 14 of the facing locking edge 15 of the locking projections 10 being slightly smaller than the distance between the outside of the outer spar wall 4 and the locking projections 10 associated locking edges 16 of the recesses 9.
  • connector 12 must be interrupted Line is indicated, with appropriate elastic deformation of the flange forming the stop head 13 as far as in the rung-side cavity 7 that its Locking projections 10 into the assigned locking recesses 9 can snap.
  • the deformed stop head exerted restoring force causes the locking projections with their locking edges 15 in a reliable system to the counter flanks on the rungs are held.
  • stop head 13 acts as a pressure spring compensates for any tolerances.
  • the locking projections 10 are inclined Rising edges 17 provided when inserting on the edge of Start recess 6 of the outer spar wall 4 and the axial Insertion movement into a radial movement of the locking projections 10 implement.
  • they are assigned to each Spring tongue 18 added to the inside of the cavity of the associated engagement nozzle 11 can evade.
  • the Spring tongue 18 is U-shaped by a comprehensive Slot 19 made. It is sufficient if the engagement nozzle 11 with is equipped with a locking projection.
  • the Locking member 20 includes one from the rear Retaining head 21 protruding mandrel 22, which from the outside in the channel-shaped cavity of the engagement socket 11 of the plug 12 can be introduced.
  • the outline configuration of the mandrel 22 corresponds the cross sectional configuration of the cavity of the Engagement stub 11 of the plug 12, so that there is no play Seat results.
  • the rear holding head 11 forms one rear stop, which is attached to the stop head 13 of the Connector 12 creates. Accordingly, this is with one rear, flat contact surface 23 provided with a flat stop surface of the holding head 21 cooperates.
  • the Plug 12 is in the area of the stop head 11 with a Cross section of the cavity of the engagement nozzle 11 corresponding recess 24 provided that practically one Access to the cavity of the engagement nozzle 11 forms, so that the Mandrel 22 can be inserted.
  • the locking member 20 is locked with the plug 12 and so held in place.
  • the mandrel is 22nd so long that it has its front end out of the Engagement sleeve 11 protrudes.
  • a ratchet tooth 25 which adjoins the adjacent one Engages behind the end face of the engagement nozzle 11.
  • the mandrel 22 is formed as a hollow pipe socket, so that the Locking tooth 25 is a spring tongue 26 molded onto the mandrel 22 can be assigned.
  • the Mandrel 22 In the area of the holding head 21, the Mandrel 22 must be closed.
  • the holding head 21 can therefore be used as a plate be formed, from which the mandrel 22 protrudes. It is useful the plate forming the holding head 21 here on the rear circumferentially chamfered like the stop head 13 of the arrangement according to FIG. 1.
  • the embodiment according to FIG. 3 also corresponds in terms of its basic structure of the arrangement according to Figure 1, whereupon Can be referenced.
  • the difference here is that the Rungs 2 with their end face 8 not directly on the inside the outer spar wall 4 but under Interposition of an insert element 27, the length tolerances can compensate.
  • a sleeve 28 is attached to each end of the rungs 2.
  • a Locking between the sleeve 28 and rung 2 is not required.
  • the size the recess 5 of the inner spar wall 3 is accordingly adapted to the outline configuration of the sleeve 28.
  • the sleeve 28 is until her sleeve bottom runs up onto the rung end attached to rung 2.
  • the bottom of the sleeve lies on the Inside of the outer spar wall 4 and is with one Engagement connector 11 associated with the connector 12 Push-through recess 29 provided.
  • the sleeve bottom therefore only corresponds to one on the jacket of the sleeve kind of an inner flange connecting ring.
  • This ring forms the above-mentioned shim 27 between the outer Spar wall 4 and the rung 2, which are accordingly not here directly, but indirectly with the interposition of the Insert element 27 is present on the outer side wall 4.

Landscapes

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

Claims (10)

  1. Echelle avec des montants (1) et des échelons (2) se composant de profilés creux, les montants (1) étant pourvus d'évidements (5, 6) associés aux échelons (2) et l'assemblage entre les échelons (2) et les montants (1) étant effectué par encliquetage, caractérisée par le fait qu'une fiche (12) qui peut être introduite de l'extérieur par un évidement associé (6) de la paroi extérieure (4) du montant associé (1) se prend dans chaque extrémité des échelons (2), qui s'appuie contre la face intérieure de la paroi extérieure (4) de respectivement un montant (1), ladite fiche étant pourvue d'au moins une projection à encliqueter (10) qui peut s'encliqueter dans un évidement d'encliquetage (9) associé de l'échelon (2), et présentant une tête de butée (13) arrière qui peut être mise en appui sur la face extérieure de la paroi extérieure (4) du montant (1) respectivement associé.
  2. Echelle selon la revendication 1, caractérisée par le fait que la tête de butée (13) qui, de préférence, est réalisée comme bride périphérique, est pourvue - dans la zone de son bord radialement extérieur - d'une projection (14) qui montre vers le montant (1) associé et qui, de préférence, est réalisée comme collet périphérique.
  3. Echelle selon l'une des revendications précédentes, caractérisée par le fait que la fiche (12) présente une tubulure d'engrènement (11) tubulaire faisant saillie de la tête de butée (13) comme un collet et présentant une configuration de contour correspondant à la section intérieure des échelons (2), des langues élastiques (18) étant coupées dans ladite tubulure, et que chaque projection à encliqueter (10) est reçue sur une langue élastique associée (18).
  4. Echelle selon la revendication 3, caractérisée par le fait qu'une langue élastique (18) avec la projection associée à encliqueter (10) est prévue dans la zone de chaque côté de la nappe de la tubulure d'engrènement (11), et que les échelons (2) sont pourvus, dans la zone de chaque côté de la nappe, d'un évidement d'encliquetage (9).
  5. Echelle selon l'une des revendications précédentes, caractérisée par le fait que le canal limité par la tubulure d'engrènement (11) de la fiche (12) est ouvert à l'arrière et reçoit un mandrin (22) d'un organe de verrouillage (20), ledit mandrin pouvant être introduit de l'extérieur et bloquant les projections à encliqueter (10) dans leur position d'engrènement.
  6. Echelle selon la revendication 5, caractérisée par le fait que le mandrin (22) fait saillie d'une tête de maintien (21) comme un collet, ladite tête de maintien pouvant être mise en appui sur la tête de butée (13) de la fiche (12), et présente, dans la zone de son extrémité avant projetant de la tubulure d'engrènement (11), au moins une dent d'arrêt (25) se prenant derrière le côté frontal voisin de la tubulure d'engrènement (11), ladite dent d'arrêt étant reçue de préférence sur une langue élastique (26) qui est coupée dans le mandrin (22) présentant une section creuse avec un contour extérieur correspondant au contour intérieur de la tubulure d'engrènement (11).
  7. Echelle selon l'une des revendications précédentes, caractérisée par le fait que respectivement une douille (28) est rapportée sur les extrémités des échelons (2), la nappe de cette douille traversant la paroi intérieure (3) du montant (1) associé et portant un anneau intérieur (27) qui peut être mise en appui sur le côté frontal de l'échelon (2) ou bien sur la face intérieure de la paroi extérieure (4) du montant et qui embrasse un évidement de passage (29) associé à la fiche (12).
  8. Echelle selon la revendication 7, caractérisée par le fait que, dans le cas d'échelles avec des montants (1) écartés latéralement, l'anneau intérieur (27) est épaissie en forme de coin conformément à l'angle d'écartement.
  9. Echelle selon l'une des revendications précédentes, caractérisée par le fait que les montants (1) et les échelons (2) se composent d'un plastique renforcé à la fibre de verre.
  10. Echelle selon l'une des revendications précédentes, caractérisée par le fait que la fiche (12) et/ou l'élément de verrouillage (20) et/ou la douille (28) est ou bien sont réalisé(s) respectivement en tant que pièce moulée par injection se composant d'une matière synthétique thermoplastique.
EP00102009A 1999-02-13 2000-02-02 Echelle Expired - Lifetime EP1028225B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19906142A DE19906142A1 (de) 1999-02-13 1999-02-13 Leiter
DE19906142 1999-02-13

Publications (3)

Publication Number Publication Date
EP1028225A2 EP1028225A2 (fr) 2000-08-16
EP1028225A3 EP1028225A3 (fr) 2001-05-02
EP1028225B1 true EP1028225B1 (fr) 2003-04-02

Family

ID=7897469

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00102009A Expired - Lifetime EP1028225B1 (fr) 1999-02-13 2000-02-02 Echelle

Country Status (3)

Country Link
EP (1) EP1028225B1 (fr)
AT (1) ATE236340T1 (fr)
DE (2) DE19906142A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023126072A1 (fr) * 2021-12-30 2023-07-06 Eaton Intelligent Power Limited Bouchon à encliquetage pour chemin de câble

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2893078B1 (fr) * 2005-11-08 2009-01-16 Polymer Trading Sarl Kit pour la realisation par montage d'une echelle et echelle realisee par montage des elements de ce kit
FR3002584B1 (fr) * 2013-02-28 2015-03-20 Cts Cable Tray Systems Sas Systeme d'assemblage d'un echelon sur un longeron

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1067679A (en) * 1962-11-16 1967-05-03 H C Slingsby Ltd Improvements relating to light ladders
FR2044053A5 (fr) * 1969-05-07 1971-02-19 Rigoine De Fougerolle A
US3566992A (en) * 1970-01-12 1971-03-02 Lewis W Berger Ladder
DE7729785U1 (de) * 1977-09-26 1977-12-29 Zarges Leichtbau Gmbh, 8120 Weilheim Leiter
DE3147306C2 (de) * 1981-11-28 1983-10-06 Walter 7120 Bietigheim-Bissingen Kuemmerlin Leiter
DE8802330U1 (de) * 1988-02-23 1988-05-11 Zarges Leichtbau Gmbh, 8120 Weilheim Leiter
US4997061A (en) * 1989-08-08 1991-03-05 Aymes Doniel G Ladder assembly, particularly for use with swimming pools

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023126072A1 (fr) * 2021-12-30 2023-07-06 Eaton Intelligent Power Limited Bouchon à encliquetage pour chemin de câble

Also Published As

Publication number Publication date
EP1028225A3 (fr) 2001-05-02
DE50001587D1 (de) 2003-05-08
ATE236340T1 (de) 2003-04-15
DE19906142A1 (de) 2000-09-07
EP1028225A2 (fr) 2000-08-16

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