Mechanism usable with locks and two applications wherein said me

Details Mechanism usable with locks and two applications wherein said me Mechanism usable with locks and two applications wherein said me

1975-03-28

1976-03-16

Craig, Jr., Albert G.

Locks

Special application

For closures

70186, 70352, 70360, 70361, 70411, E05B 6314, E05B 2908, B60R 2502

Patent

active

039437370

ABSTRACT:
A lock mechanism comprises a plug slidably to a home position into a cavity of a block which plug has a recess for receiving side-by-side plates.
Said block has a receptacle for receiving a similar set of spring biased plates. The front base of said plug a keyway with rectangular cross section communicates with said recess at a position close to the bottom thereof. A key is also provided for said mechanism which is made up of as many bars as are the plates.
The plates in said recess have a bevelled corner. The bevel plane of the plates and of the key bars being the same.
When the key is inserted home into said plug the bevelled point of each bar of the key engages the bevelled corner of a corresponding plate in the recess and lifts it to come flush with its upper edge with said recess aperture whereby the mechanism is unlocked.
When the key is withdrawn from said slot the plates in said receptacle are moved by the related springs to enter the plug recess and block the mechanism thereby.
Two locks and specifically a door lock and a steering lock are also described in which the mechanism of the invention is applied.

REFERENCES:
patent: 18169 (1857-09-01), Yale
patent: 179912 (1876-07-01), Guild
patent: 853926 (1907-05-01), Hope
patent: 1351117 (1920-08-01), Newhall
patent: 1736900 (1929-11-01), Carpenter

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