Patent ID: 6173621
Filing Date: 2001-01-16
Classification: F16H,Y10T

Abstract:
A speed change gear transmission for modifying and transmitting a rotation input from a rotary power source to any selected one of a plurality of rotation outputs, comprising:a housing;an input shaft disposed to receive the rotation input, an intermediate shaft, and an output shaft disposed to transmit a rotation output, wherein said input shaft, said intermediate shaft, and said output shaft are each supported in fixed position to one another by said housing;at least three gears independently rotatably supported on said input shaft, at least three gears supported on said intermediate shaft, and at least three gears independently rotatably supported on said output shaft; andclutching apparatus disposed to drivably interconnect said gears such that at least nine gear ratios ensue between the rate of rotation of said input shaft and said output shaft.