Rung lock and latch assembly for an extension ladder

Details Rung lock and latch assembly for an extension ladder Rung lock and latch assembly for an extension ladder

E - Fixed Constructions

06

C

E06C 7/00 (2006.01) E06C 1/12 (2006.01) E06C 7/06 (2006.01)

Patent

CA 2127031

A rung lock frame and a mechanical latching structural assembly for selectively releasably locking and releasably and augmentally latching a pair of adjacently positioned rungs of relatively slidable ladder sections of an extension ladder, the rung lock frame and latching structure including guide rib and inclined ramp arrangement to permit ready movement of said latching structure into and out of augmental latching position on the rung lock frame.

La présente invention porte sur un cadre de blocage de barreaux d'échelle et une structure de verrouillage mécanique permettant de bloquer et de verrouiller temporairement à une hauteur réglable les deux barreaux adjacents des sections coulissantes d'une échelle coulissante. Le cadre de blocage et la structure de verrouillage comprennent des nervures de positionnement et une rampe inclinée disposés de manière à faciliter le déverrouillage et le verrouillage de la structure de verrouillage sur le cadre de blocage pour l'amener à la hauteur désirée.

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