Casement lock, notably of the type comprising a plurality of ope

Details Casement lock, notably of the type comprising a plurality of ope Casement lock, notably of the type comprising a plurality of ope

1988-06-03

1989-10-10

Moore, Richard E.

Closure fasteners

Operators with knobs or handles

292 33, E05C 902

Patent

active

048727164

ABSTRACT:
This casement lock (1), notably for casement doors, French windows or the like, comprises essentially a casing (2) enclosing a mechanism for actuating a half-turn bolt, and one or a plurality of operating rods (5, 6) urged to their locking position by resilient means (9). This casement lock is further provided with damping means (14) for slowing down the operating rods (5, 6) during their return movement to the locking position under the action of the resilient means (9).

REFERENCES:
patent: 1521835 (1925-01-01), Reed
patent: 1688472 (1928-10-01), Shaw
patent: 1764154 (1930-06-01), Cramer
patent: 2030630 (1936-02-01), Gram
patent: 2098776 (1937-11-01), Edwards

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