Numerical lock

Details Numerical lock Numerical lock

1989-03-01

1989-08-29

Wolfe, Robert L.

Locks

Portable

Padlocks

70 23, E05B 3708

Patent

active

048605611

ABSTRACT:
A numerical lock includes a housing having a hooking member, a cover, a plurality of numerical wheels, a plurality of sleeves, a control rod having a head, a numerical-changing piece having a pushing member, and a pivotally mounted locking piece capable of engaging with the head to slide the control rod in the lock.

REFERENCES:
patent: 512979 (1894-01-01), Lowrie
patent: 1018756 (1912-02-01), Gordon
patent: 1712476 (1929-05-01), Coiro
patent: 4803856 (1989-02-01), Ling

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