Combination lock with variable code

Details Combination lock with variable code Combination lock with variable code

1989-10-02

1990-07-03

Wolfe, Robert L.

Locks

Operating mechanism

Combination

70312, E05B 3700

Patent

active

049380443

ABSTRACT:
The present disclosure is related to a combination lock with code thereof randomly variable, which is equipped with a pair of parallel rods disposed within an oblong casing; the upper actuation rod is provided with a number of spaced actuation claws with a corresponding number of dial wheels secured to the lower slide rod. Part of the dial wheels is exposed externally of the casing for easy dialing operation thereof. On each dial wheel there are disposed ten axial holes in accordance with consecutive digits 0-9, and a matching restraint wheel in securing engagement with each actuation claw is equipped with a pair of protrusion rods on the side facing each dial wheel which is in selective engagement with two holes of the dial wheel so to enable an operator to set new code by first making each restraint wheel disengaged from the dial wheel by way of the movement of the actuation claws secured on the actuation rod, and rotating the dial wheel to a new position and then making the restraint wheel engaged with the same again.

REFERENCES:
patent: 1583687 (1926-05-01), Hatch
patent: 1940789 (1933-12-01), Diaz
patent: 2003650 (1935-06-01), Hosking

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