Global Patent Index - EP 1096101 A1

EP 1096101 A1 2001-05-02 - Ladder hinge

Title (en)

Ladder hinge

Title (de)

Leitergelenk

Title (fr)

Articulation pour échelle

Publication

EP 1096101 A1 (DE)

Application

EP 00121423 A

Priority

DE 29919004 U

Abstract (en)

Two rotatably joined hollow shafts (2,3) slid into the ladder spars (4) have end holes (23) of ring section (5) width, so the shafts are of a length which ensures the holes grasp and so bear on the rungs (5). The holes (23,24) are rectangular and are cranked inwards (241) so their edges (24,25) grasp the rungs without clearance. The shafts are made up of two profiles (21,31) which abut at their free endfaces, though one profile leg (22,32) is holed (23,33) towards the endface for a fixing element. The two fixer holes (23,33) face one another and come in semicircular shape. A locking disk on shaft (2) concentric to the joint axis has peripheral grooves for the respective hinge settings and the disk engages between two spaced shells on the second shaft (3) so a locking piece (35) on shaft (3) can be slid into the locking disk grooves. The locking piece can be withdrawn by a releasing lever pivoted on the second shaft (3). The locking piece is joined to the operating lever (6) and is held notched into its groove by a compression spring, the groove edges slightly higher than those of the opposing groove edge to form a strike face for the locking piece (35). A stop (7) for the operating lever (6) on shaft (3) serves to join the two shaft U-profiles to one another.

Abstract (de)

Leitergelenke für den Einsatz in Leiterholmen mit Leitersprossen (5), mit zwei drehbar verbundenen, je ein Hohlprofil aufweisenden Schäften (2, 3), welche in die Leiterholme 84 einschiebbar sind, wobei die Schäfte (2, 3) an den freien Enden dem Querschnitt der Leitersprosse (5) angepasste Ausnehmungen (24, 34) aufweisen, die eine Öffnungsweite haben, welche zumindest der Breite des Querschnittes einer Leitersprosse (5) entspricht und wobei die Länge der Schäfte (2, 3) des Leitergelenkes (1) derart bemessen ist, dass die Ausnehmungen (24, 34) die Leitersprossen (5) übergreifen und die Schäfte (2, 3) auf den Leitersprossen (5) zur Anlage kommen, sind, um die Schäfte dauerhaft fest- und wackelfrei mit den Leiterholmen zu verbinden so ausgestaltet, dass die Ränder (241, 341) der Ausnehmungen zumindest teilweise nach innen abgekröpft sind. <IMAGE>

IPC 1-7 (main, further and additional classification)

E06C 1/32; E06C 7/08

IPC 8 full level (invention and additional information)

E06C 1/32 (2006.01)

CPC (invention and additional information)

E06C 1/32 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

DE 29919004 U1 20000203; AT 263305 T 20040415; EP 1096101 A1 20010502; EP 1096101 B1 20040331; ES 2216793 T3 20041101

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