Protective lock cylinder mounting assembly

Details Protective lock cylinder mounting assembly Protective lock cylinder mounting assembly

1992-07-23

1994-03-08

Gall, Lloyd A.

Locks

Operating mechanism

Key

70371, 70381, 70451, 70DIG57, E05B 908

Patent

active

052917673

ABSTRACT:
A lock cylinder apparatus includes first and second lock cylinder assemblies rigidly fixed to a lock case and coupled to an internal locking mechanism contained in the lock case. The first lock cylinder assembly includes a lock body and an adaptor ring around the lock body. The adaptor ring is sized to fit into a cylinder assembly mounting hole in the lock case. A threaded member extends through the lock case and interconnects the second lock cylinder assembly to the adaptor ring of the first lock cylinder assembly. Illustratively, a hidden setscrew in the first lock cylinder assembly can be moved to engage the adaptor ring and anchor the lock body in a non-rotatable position in the adaptor ring.

REFERENCES:
patent: 409246 (1889-08-01), Severance
patent: 770266 (1904-09-01), Crandall
patent: 1561771 (1925-11-01), Best
patent: 1889454 (1932-11-01), Shaw
patent: 3038749 (1962-06-01), Check et al.
patent: 3307384 (1967-03-01), Sinervo
patent: 4236396 (1980-12-01), Surko, Jr. et al.
patent: 4272974 (1981-06-01), Hennessy
patent: 4633690 (1987-01-01), Foshee

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