Sash window systems

Details Sash window systems Sash window systems

E - Fixed Constructions

06

B

E06B 3/48 (2006.01) E05D 15/22 (2006.01)

Patent

CA 2164012

A tilt sash window system comprises a tiltable and slidable sash counterbalanced by constant force springs mounted at the upper end of the jamb channels and connected to the sash through sliding connector members and pivoted stays. The connectors attach to the spring ends by quick-attach couplings and the stays extend from the connectors to the sides of the tilt sash. The stays effectively extend the springs while permitting the sash to tilt and counterbalancing it when tilted. The counterbalance springs can be small in size due to the lengthening effect of the stays and are protected from dirt ingress by their location at the top of the jamb channels and their downwardly-facing attitude.

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