E - Fixed Constructions – 05 – F
Patent
E - Fixed Constructions
05
F
E05F 15/00 (2006.01) E05F 11/48 (2006.01)
Patent
CA 2095958
Abstract A mechanism for opening and closing the sash of a window which includes first and second sash brackets, a drive mechanism, first and second flexible timing belts, structure for connecting the timing belts to the sash brackets and mechanisms for interconnecting the two timing belts. The structure for interconnecting the timing belts is adjustable in length to facilitate the tensioning of the belts. Tensioning springs are also included.
A-Solution Inc.
Osler Hoskin & Harcourt Llp
LandOfFree
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