Cam lock

Details Cam lock Cam lock

1985-11-01

1987-03-10

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Scaffold external of shaft

182134, A01M 3102, A45F 326

Patent

active

046484833

ABSTRACT:
A cam lock suitable for use in a wide variety of rope and belt tightening apparatus including boat anchor systems and tree seats and climbing aids including a cam wheel with various spring and bushing arrangements and a lever for remote control.

REFERENCES:
patent: 557800 (1896-04-01), Gray
patent: 1250876 (1917-12-01), Hicks
patent: 2442266 (1948-05-01), Davis
patent: 2608174 (1952-08-01), Sponenburg
patent: 3872550 (1975-03-01), Yang
patent: 3927733 (1975-12-01), Wurn
patent: 3955645 (1976-05-01), Dye
patent: 4542884 (1985-09-01), Dodge

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