Combined combination and key-type lock

Details Combined combination and key-type lock Combined combination and key-type lock

1983-08-25

1985-12-10

Wolfe, Robert L.

Locks

Operating mechanism

Combination

70284, 70316, E05B 3702

Patent

active

045571228

ABSTRACT:
A combined combination and key-type lock has both a combination lock and a key-type lock, either or both of which may be used. The combined combination and key-type lock is designed so that it can still be opened without dismantling the compound lock and the correct numbers of the combination lock can be detected even if the correct numbers of the combination lock is forgotten.

REFERENCES:
patent: 4462232 (1984-07-01), Yang

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