Closure fasteners – Operators with knobs or handles
Patent
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
Gefard Prevot
Legrand Jean-Claude
Ferco International
Moore Richard E.
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