Combination lock

Details Combination lock Combination lock

1978-11-14

1980-05-06

Wolfe, Robert L.

Locks

Operating mechanism

Combination

70311, E05B 3704, E05B 3702

Patent

active

042010683

ABSTRACT:
A combination lock having a box inside which is located a sliding latch having a ratchet operated by a pinion operated from outside. The pinion being slidable to enter a round hole in a plurality of rotating members operating as a coding device, the pinion being adapted to rotate only when it is in said round holes. The combination members have the remaining holes of a section that blocks the pinion rotation so that only when all the combination members offer their circular holes is possible to rotate the pinion and so operate the latch.

REFERENCES:
patent: 1263062 (1918-04-01), Ikeda
patent: 1464281 (1923-08-01), Jay
patent: 1752824 (1930-04-01), Watson
patent: 3196643 (1965-07-01), Moss
patent: 4064718 (1977-12-01), Cowen

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