Patent ID: 8127636
Filing Date: 2012-03-06
Classification: F16H,Y10T

Abstract:
1. A variable automatic transmission for a motor vehicle comprising: a housing; a frusto-conical driven gear having a length and a plurality of spaced apart teeth on an exterior surface thereof and a hollow opening therein extending the length thereof and rotatably disposed within said housing; a first main power shaft having a plurality of sliding face gears slidably supported thereon wherein a first of said plurality of sliding face gears is adapted to engage an input gear from an engine and a second of said plurality of sliding face gears is a driving gear having a plurality of complimentary spaced apart teeth for engaging the plurality of spaced apart teeth of said frusto-conical gear; and wherein said plurality of spaced apart teeth on said frusto-conical gear includes a plurality of teeth having a first addendum and a plurality of spaced apart teeth having a larger addendum and wherein said teeth on said driving gear form a plurality of shallow teeth receiving openings for receiving and engaging said spaced apart teeth having a first addendum, and a plurality of relatively deep openings for receiving said spaced apart teeth having a larger addendum and separating said shallow teeth receiving openings.