E - Fixed Constructions – 05 – F
Patent
E - Fixed Constructions
05
F
E05F 1/16 (2006.01)
Patent
CA 2363801
A sash window counterbalance arrangement for counterbalancing the weight of a sash window. The arrangement comprises a sash window spring support mounting located within a channel in a sash window jamb, and a sash shoe slidable in said channel. In use a spring force is generated between said spring support and sash shoe by a spring means to counterbalance the weight of said sash window. The spring mounting comprises at least one mounting peg which projects from said mounting to engage a mounting aperture defined within one of said channel walls to locate and secure said spring support mounting within the channel. The mounting peg is resiliently biassed into engagement with said aperture.
Braid Harold Keith
Braid Simon Christopher
Omega International Ltd.
Shapiro Cohen
LandOfFree
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