Locking device of a combination lock

Details Locking device of a combination lock Locking device of a combination lock

1982-06-15

1984-06-26

Wolfe, Robert L.

Locks

Operating mechanism

Combination and key

70358, 70364A, 70421, E05B 3704, E05B 2706

Patent

active

044558473

ABSTRACT:
An improved locking device of combination lock comprises a combination lock having toothed combination wheels, a three-way locking means formed with the shaft of the combination lock, a three-extension key and a rear locking pin normally poking into the key hole of the locking means to prevent from turning the combination lock for enhancing security.

REFERENCES:
patent: 3670540 (1972-06-01), Fernandez
patent: 3938358 (1976-02-01), Doyle

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