E - Fixed Constructions – 05 – D
Patent
E - Fixed Constructions
05
D
E05D 15/22 (2006.01) E05D 15/26 (2006.01) E05F 1/16 (2006.01) E06B 3/48 (2006.01) E06B 9/54 (2006.01)
Patent
CA 2112834
ABSTRACT OF THE DISCLOSURE A counterbalanced flex window wherein the sashes thereof, being joined together by a hinge, flex and fold toward each other when the window is released for opening and thereafter automat- ically maintain randomly adjusted open positions without the need for supplemental manually engaged incremental adjustment latch devices.
Mitchell Richard J.
Sprague Harry F.
LandOfFree
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