Drawer lock mechanism including push button latch

Details Drawer lock mechanism including push button latch Drawer lock mechanism including push button latch

1992-08-31

1993-11-02

Echols, P. W.

Supports: cabinet structure

Gang-bar type locking or latching means

Concealed

312219, 70 78, E05B 6546

Patent

active

052578607

ABSTRACT:
A cabinet has a plurality of drawers, each provided with a latch hook at its rear end which is receivable through a corresponding one of a plurality of apertures in a lock bar at the rear of the cabinet which vertically reciprocates between a lowered position interfering with the latch hooks to prevent opening of the drawers and a raised position accommodating free movement of the latch hooks through the apertures to permit opening of the drawers. A lock at the front of the cabinet rotates an elongated rod, the rear end of which engages a coupling bracket on the lock bar to lift it part way to its raised position, at the same time moving a sliding portion of the coupling bracket into position for engagement with a pivoting crank coupled to the rear end of a second spring-biased and push button-actuated rod. When the push button is depressed, the crank is pivoted to lift the lock bar the rest of the way to its raised position.

REFERENCES:
patent: 681155 (1901-08-01), Tobey
patent: 982767 (1911-01-01), Dunham
patent: 1073274 (1913-09-01), Millice
patent: 1823536 (1931-09-01), Furlong
patent: 1911564 (1933-05-01), Gahagan
patent: 2277142 (1942-03-01), Osseler
patent: 2440541 (1948-04-01), Gash
patent: 2804364 (1957-08-01), Belew
patent: 2829021 (1958-04-01), Wolters
patent: 3070046 (1962-12-01), Paulos
patent: 3401998 (1968-09-01), Evans et al.
patent: 4033157 (1977-07-01), Williams
patent: 4850208 (1989-07-01), Weinerman et al.

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