Window apparatus

Details Window apparatus Window apparatus

E - Fixed Constructions

06

B

108/34

E06B 3/50 (2006.01) E05D 15/22 (2006.01)

Patent

CA 1269280

WINDOW APPARATUS ABSTRACT OF THE DISCLOSURE A window apparatus includes a window frame assembly and a pair of sash assemblies which are capable of sliding relative to the frame assembly for the purpose of opening and closing and also tilting inwardly to facilitate cleaning. Locking members are provided on the upper corners of each of the sashes. The locking members are lodged in slots formed in the sashes and project beyond the sashes to engage the frame assembly and prevent tilting of the sashes. The locking members have a relatively low level of stress when the window apparatus is subjected to wind loads, thereby enabling the window apparatus to withstand relatively high wind loads encountered on the upper floors of large buildings.

472434

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