Web ladder release mechanism

Details Web ladder release mechanism Web ladder release mechanism

E - Fixed Constructions

06

C

228/4, 228/8

E06C 1/52 (2006.01) E06C 1/56 (2006.01) E06C 9/14 (2006.01)

Patent

CA 1117923

ABSTRACT There is provided the combination of a frame and a collapsible ladder. The frame defines two spaced- apart horizontal passages in which catch elements are mounted. Resilient means urge the catch elements toward each other, and manual thumbscrew means are provided to pull the catch elements away from each other. A collapsible ladder has attachment means at the top by which it can be anchored, and the ladder also includes a containment means constituted by the bottom rung and two upstanding side members which register with all of the remaining rungs. The upstanding side members have openings at the top into which the catch members extend when in their innermost positions. Manual release is possible by which the side members become disengaged from the frame, thus allowing the web ladder to fall into a position of use.

335418

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