Importance

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Abstract

A sliding window structure comprises glazing frames received in guide channels of a support frame having side members and top and bottom members. Each of the side members and the bottom member of the support frame comprises inner and outer walls interconnected to provide closed interior tubes with pairs of parallel guide walls on said inner walls forming two parallel guide channels. The top frame member also has a tubular construction with pairs of parallel guide walls forming two parallel guide channels. Each glazing frame member also has inner and outer walls connected by side walls to form a tubular section with the outer walls together defining a rectangular perimeter of the glazing frame for disposition in the guide channels of the support frame. On the inner walls of the glazing frame members, ledge members are provided to form, together with the inner walls, L-shaped glazing recesses. Glazing retaining strips engage engagement means adjacent the glazing recesses thereby to retain glazing in position.

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First Claim