Security lock latch

Details Security lock latch Security lock latch

1975-12-03

1977-05-24

Hafer, Robert A.

Closure fasteners

Bolts

Swinging

292159, E05C 304

Patent

active

040250970

ABSTRACT:
A security latch for use with a pivotable door comprising a long hinge on the door frame with a notched edge, a slidable and rotatable bolt having pressure fingers for restraining the hinge bolt retention means on the door, the bolt restricting hinge motion, the combination restricting door motion; and a decorative protective cover.

REFERENCES:
patent: 1475725 (1923-11-01), Steinmark

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