Roto lock

Details Roto lock Roto lock

1979-05-03

1980-12-30

Wolfe, Robert L.

Locks

Operating mechanism

Key

70412, E05B 3506

Patent

active

042415950

ABSTRACT:
An improved bolt mechanism for use in a rotary lock has a fixed transverse pin and a spring biased movable transverse pin. The movable pin may be retracted within the body of the bolt under the action of a key inserted into the lock. The protrusion mechanism comprises a shaft inside the bolt a portion of which is conical. A conical member is likewise attached to the spring biased transverse pin cooperating with the conical member of the shaft thereby allowing the external end of the transverse pin to be moved flush with the external surface of the bolt or to extend transversely therefrom. When the movable pin extends transversely from the bolt, the bolt is retained between key plates in the lock. When the movable pin is retracted, the bolt may be moved longitudinally along its axis through the key plates to unlock the lock.

REFERENCES:
patent: 1175946 (1916-03-01), Foster
patent: 3431756 (1969-03-01), Fennell
patent: 3854312 (1974-12-01), Van Gompel

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