Patent ID: 6029532
Filing Date: 2000-02-29
Classification: F16H,Y10T

Abstract:
A gear reduction system comprising:a two-stage gear reducer having a first input stage and a first output stage, the first input stage including a first drive pinion and a first driven gear intermeshing with the first drive pinion, the first output stage including a second drive pinion and a second driven gear intermeshing with the second drive pinion, the two-stage gear reducer being adapted to form a three-stage gear reducer having a second input stage, an intermediate stage and a second output stage, the second input stage including a third drive pinion intermeshing with a third driven gear, the intermediate stage including a fourth drive pinion intermeshing with a fourth driven gear, and the second output stage including a fifth drive pinion intermeshing with a fifth driven gear;wherein the first drive pinion is substantially identical to the fourth drive pinion, and wherein the second input stage supports the fourth drive pinion.