Door lock

Details Door lock Door lock

1994-07-19

1996-02-06

Lindsey, Rodney M.

Closure fasteners

Bolts

Sliding and swinging

292 67, E05C 500

Patent

active

054891299

ABSTRACT:
A door lock has a body portion securable to a door jamb so as to project therefrom into a room, and a locking portion pivotally mounted on the body portion for angular movement relative thereto about a vertical axis between a locking position preventing opening of a door and an unlocking position permitting opening of the door. One of the portions has a projection engageable in a recess in the other portion to retain the locking portion in the locking position. The locking portion is capable of a limited amount of transverse movement relative to the body portion in a horizontal direction substantially perpendicular to the direction of opening movement of the door to enable the projection to be engaged in and disengaged from the recess.

REFERENCES:
patent: Re29162 (1977-03-01), McLennan
patent: 406588 (1889-07-01), Millemann et al.
patent: 1542468 (1925-06-01), Mueller
patent: 1575071 (1926-03-01), Luman
patent: 1675579 (1928-07-01), Seng
patent: 2067779 (1937-01-01), Morden
patent: 4322100 (1982-03-01), McLennan et al.
patent: 4865369 (1989-09-01), Parker

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