Sash locking device for casement window

Details Sash locking device for casement window Sash locking device for casement window

2008-07-08

2008-07-08

Estremsky, Gary (Department: 3673)

Closure fasteners

Bolts

Double acting

C292S302000, C292S340000, C049S395000

Reexamination Certificate

active

11206531

ABSTRACT:
An adaptor for a window locking mechanism wherein the locking mechanism includes a keeper on a window sash and a cam roller on a window frame, the adaptor comprising a body portion having first and second sides with a recess being formed in the body portion, the recess being sized to receive a portion of the cam roller, the body portion further having at least one ramped portion extending from an edge of the recess to the first side. The adaptor can be used with conventional cam roller windows and provides an improved surface engagement and a greater displacement span.

REFERENCES:
patent: 1210535 (1917-01-01), Riley
patent: 1477248 (1923-12-01), Daugherty
patent: 2504367 (1950-04-01), Willink
patent: 3239261 (1966-03-01), Knox et al.
patent: 4610472 (1986-09-01), Billingsley
patent: 6698970 (2004-03-01), Guillemet et al.

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