Locking device for an auxiliary lock

Details Locking device for an auxiliary lock Locking device for an auxiliary lock

1990-07-23

1991-04-30

Smith, Gary L.

Locks

Special application

For control and machine elements

70379R, 70381, 70449, 70224, E05B 904

Patent

active

050107496

ABSTRACT:
A locking device for an auxiliary lock comprising a rotatable ring and a base. The ring is fitted around the auxiliary lock and combined with the base. Then they are mounted in the door to let a large part of the rotatable ring be exposed outside the door, and rotating the ring can cause the dead bolt of the auxiliary lock to extend out locking the lock.

REFERENCES:
patent: 2078168 (1937-04-01), Stone et al.
patent: 2135323 (1938-11-01), Brantingson
patent: 2213262 (1940-09-01), Segal

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