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US 4,392,330 AGranted
Casement window
AssigneeRolscreen Company
InventorTerry J. Buhr
Life of this patent
Estimating the term…
Abstract
A casement window is operable in a vent-egress mode and a wash mode. Hinge assemblies are mounted to the sash and hinge lock assemblies are engaged by the hinge assemblies. Both hinge and hinge lock assemblies are slidably mounted to channel-forming slides on the window frame. The lock assemblies releasably lock the sash in the vent-egress and wash modes.
Claims5
A casement window operable in a vent-egress mode and a wash mode comprising:
- a window frame;
- a window sash movably mounted on said frame;
- a sash hinge plate mounted on said sash;
- a hinge shoe with a channel-travelling flange member;
- hinge means for providing pivotal movement of said sash relative to said hinge shoe, said hinge means being connected to said sashhinge plate and hinge shoe;
- and
- mode-shifting means for shifting of the sash to and from the vent-egress and wash modes, the mode-shifting means including a channel-forming slide member secured to the window frame, the channel-travelling flange of the hinge shoe being slidably secured to the slide member, and means for releasably locking the hinge shoe to the slide member in two positions of the hinge shoe relative to the slide member, one of the two positions being a vent-egress position in which the sash is in the vent-egress mode and the other of the two positions being a wash position in which the sash is in the wash mode.
4 more elements
Dependencies are inferred from the claim text.