Ladder lock

Details Ladder lock Ladder lock

1976-10-18

1978-05-23

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Ladder

With hook or grab

E06C 748

Patent

active

040905870

ABSTRACT:
A limb attaching lock formed in a manner of a hoop comprising two semicircular segments pivotally attached at one end thereof to a floating center bracket. The semicircular hoop segments are furthermore pivotally supported on a corresponding set of pivotal standoffs attached to a mounting fixture which also connects to two biasing springs for maintaining the hoop segments open. The mounting fixture, in turn, is secured to an attachment brace adapted to engage the end of the ladder. To allow for selective alignment of the limb attaching lock relative the brace and, therefore, accommodate various angles of the limb, the attachment fixture includes a rotatable mount which can furthermore be secured at any desired angle of orientation. A cord connected at one end to the floating bracket extends through openings in the fixture end brace for securing the hoop lock in a closed position.

REFERENCES:
patent: 2232414 (1941-02-01), Swann
patent: 3028929 (1962-04-01), Chubbs

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