E - Fixed Constructions – 05 – F
Patent
E - Fixed Constructions
05
F
E05F 11/10 (2006.01) E05F 11/24 (2006.01)
Patent
CA 2114078
A window operator including a first sun gear, a first drive gear including a drive gear portion and a ring gear portion, a manual worn drive operatively connected to the drive gear portion, a planetary gear carrier, a first set of planeraty gears carried between the first sun gear and the ring gear portion, and an operable connection between the gear carrier and a window sash whereby pivoting of the gear carrier operates the sash. A first ring gear is drivably connected to pivot with the first sun gear, and a second ring gear is fixed with respect to the window frame. A second set of planeraty gears has first and second axially spaced gear segments, the first gear segments being disposed between a motor driven sun gear and one of the ring gears, and the second gear segments drivably engaging the other of the ringgears. The ring gears and/or the gear, segments have different numbers of teeth.The worm drive lies in substantially the same plane as the drive gear, and is hidden by the window frame except for a female socket aligned with the worm axis and exposed through an opening in the frame. A handle is provided with a male connector selectively extendable through the frame opening to operatively engage the worm female socket. The gears are made of an inherently corrosion resistant non-metallic material such as plastic.
Piltingsrud Stephen M.
Vetter Gregory J.
Finlayson & Singlehurst
Truth Hardware Corporation
LandOfFree
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