Concealed window lock with detachable handle and escutcheon

Details Concealed window lock with detachable handle and escutcheon Concealed window lock with detachable handle and escutcheon

1996-03-18

1998-04-21

Lindsey, Rodney M.

Closure fasteners

Bolts

Sliding

292 26, 292DIG7, 292DIG20, E05C 106

Patent

active

057410313

ABSTRACT:
A window lock actuator including a link assembly rotatably mounted on the window jamb, the link assembly operably securable to control movement of a cam into and out of engagement with a keeper for locking a sash to a window jamb. A handle is detachably secured to the link assembly for rotation therewith, and has two legs cradling the link assembly when the handle is secured thereto. Two tabs on the link assembly and two recesses on opposite inner surfaces of the legs engage when the handle is secured to the link assembly. An escutcheon has a spring secured on one side, which spring is biased outwardly against one side of a jamb cavity to frictionally secure the escutcheon in the cavity.

REFERENCES:
patent: 960386 (1910-06-01), Obert
patent: 1621174 (1927-03-01), Schlage
patent: 2876515 (1959-03-01), Saffer
patent: 3999789 (1976-12-01), Mavrits
patent: 4674777 (1987-06-01), Guelck
patent: 5219195 (1993-06-01), Lug
patent: 5248175 (1993-09-01), Burns
patent: 5318333 (1994-06-01), Dreifert

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