Ladder bridging device

Details Ladder bridging device Ladder bridging device

1974-10-01

1976-07-20

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Miscellaneous

182103, E06C 750, E06C 532

Patent

active

039701700

ABSTRACT:
This invention relates to a device useful in connection with bridging two sections of an extension ladder. The device takes the form of a sleeve structure which extends from the side rail of one section of a ladder to co-operate with the side rail of another section of the ladder. The sleeve member is guided and maintained in position by cutouts formed therein which co-operate with ladder rungs. The sleeve member has a cam portion. The invention finds use in connection with facilitating the use of a hoist or the like used with an extension ladder, and provides a smooth track for the usual wheel or roller assembly on which such hoist travels.

REFERENCES:
patent: 274758 (1883-03-01), Greene
patent: 325381 (1885-09-01), Barkley
patent: 363950 (1887-05-01), Decker
patent: 550175 (1895-11-01), Holden
patent: 1003407 (1911-09-01), Abrams
patent: 1458666 (1923-06-01), Stopello
patent: 2308832 (1943-01-01), Roney

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