Tooth profile arrangement to eliminate tooth interference in...

Details Tooth profile arrangement to eliminate tooth interference in... Tooth profile arrangement to eliminate tooth interference in...

F - Mech Eng,Light,Heat,Weapons

16

H

F16H 33/00 (2006.01) F16H 49/00 (2006.01) F16H 55/06 (2006.01) F16H 55/08 (2006.01)

Patent

CA 2123520

Abstract of the Disclosure The present invention comprises an extended tooth contact harmonic drive gearing apparatus for transmitting rotary motion from an input drive to an output drive through mating contact between a flexspline and a rigid circular spline, the flexspline being swept into a non-circular shape by a wave generator. The wave generator causes the teeth of the flexspline to precess from a normal to an inclined orientation and back to a normal orientation again. The teeth on both the flexspline and the circular spline have a profile which accomodates that tooth inclination, and thus avoids interference therebetween. -19-

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