Combination lock

Details Combination lock Combination lock

2005-01-04

2005-01-04

Gall, Lloyd A. (Department: 3676)

Locks

Special application

For control and machine elements

C070S298000, C070S313000, C070S314000

Reexamination Certificate

active

06837080

ABSTRACT:
A combination lock includes a core unit, a locking mechanism, and a reset mechanism formed of a guide rod, a sliding plate, a stop rod and a reset member. The sliding plate is downwards to push the locking mechanism to the unlocking position wherein operation buttons pressed subject to the set code. When the locking mechanism lifted to push the reset member of the reset mechanism, the locating rod of the reset member pushes the stop rod away from the rack of the sliding plate, enabling the sliding plate to be returned by a spring member so that the core unit is returned to the initial position for resetting the code.

REFERENCES:
patent: 1871303 (1932-08-01), Chesick
patent: 2029080 (1936-01-01), Mills
patent: 2494015 (1950-01-01), Tate et al.
patent: 2566967 (1951-09-01), Soler Capdevila
patent: 2750786 (1956-06-01), Sanowskis
patent: 3009346 (1961-11-01), Check
patent: 3412587 (1968-11-01), Sanowskis
patent: 3722238 (1973-03-01), Ring
patent: 3751951 (1973-08-01), Gridley
patent: 4748833 (1988-06-01), Nagasawa
patent: 4827743 (1989-05-01), Kim
patent: 4956985 (1990-09-01), Kim
patent: 6334346 (2002-01-01), Wang
patent: 672321 (1979-07-01), None
patent: WO 8505399 (1985-12-01), None

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