E - Fixed Constructions – 05 – D
Patent
E - Fixed Constructions
05
D
E05D 13/00 (2006.01) E05C 17/00 (2006.01) E05D 15/22 (2006.01) E05F 5/00 (2006.01)
Patent
CA 2410112
- 13 - ABSTRACT A block and tackle sash balance assembly for providing a counterbalancing force to a sash window pivotally and slideably mounted within a sash window frame is disclosed. The assembly is adapted to disable the counterbalancing force responsive to pivoting of the sash window.
Eenigenburg Mark
Pettit Dean
Ashland Products Inc.
Blake Cassels & Graydon Llp
Newell Operating Company
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