Door latch

Details Door latch Door latch

1974-11-13

1976-07-27

Moore, Richard E.

Closure fasteners

Extension link

Slotted bar

292259R, E05C 1706

Patent

active

039715825

ABSTRACT:
A safety latch for holding a door in its locked position or in a partially open position to enhance security. A bar for holding the door in either position is provided together with keepers cooperating with the bar to perform the holding functions. The said bar may be mounted to take the place of one hinge pin.

REFERENCES:
patent: 671063 (1901-04-01), Butler
patent: 924277 (1909-06-01), Saphier
patent: 1785772 (1930-12-01), Hallam et al.
patent: 2038462 (1936-04-01), Wellman
patent: 2683049 (1954-07-01), Van Der Spek
patent: 3690709 (1972-09-01), Bogusz

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