E - Fixed Constructions – 06 – B
Patent
E - Fixed Constructions
06
B
108/43
E06B 1/28 (2006.01) E06B 3/46 (2006.01)
Patent
CA 1093897
ABSTRACT OF THE DISCLOSURE The present invention provides a window assembly in which the window units may be removed and which incorporates safety features to prevent the accidental removal of the window unit. The construction of the window assembly is such that sash members and the window frame have interlocking flanges which require careful manipulation with respect to one another in order to release the window units from the window frame. The upper and lower sash members have flanges projecting out- wardly therefrom in an overlapping relationship with respect to corresponding flanges formed in the header and sill whereby in order to remove the window units the lower sash member of each unit must be moved upwardly by a predetermined amount in order to release it for lateral movement with respect to the sill, whereupon the lower sash member of that unit may be moved laterally away from its associated sill side wall to withdraw its locking flange from its underlying relationship with respect to its associated sill flange and thereafter the window unit may be raised until the lower sash member is clear of the sill, whereupon the lower sash member may be moved laterally outwardly over the sill and the upper sash member may be withdrawn from the header by compressing the sash locking member inwardly of the header to release it from the upper sash member.
246243
Fetherstonhaugh & Co.
Huelsekopf Alfred G.
LandOfFree
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