Patent ID: 6358175
Filing Date: 2002-03-19
Classification: B60K,F16H,Y10T

Abstract:
A hydrostatic transaxle comprising:a housing; a hydrostatic transmission mounted in said housing including a hydraulic pump unit and a motor unit; a motor shaft drivingly connected to said hydraulic motor unit; a differential assembly drivingly connected to said motor shaft and comprising a first bevel gear restrictively rotatably positioned between a first interior bearing surface and a first exterior bearing surface, wherein the first exterior bearing surface is axially compressed toward the first interior bearing surface; a first biasing mechanism for axially compressing the first exterior bearing surface toward the first interior bearing surface; a second bevel gear restrictively rotatably positioned between a second interior bearing surface and a second exterior bearing surface, wherein the second exterior bearing surface is axially compressed toward the second interior bearing surface; and a second biasing mechanism for axially compressing the second exterior bearing surface toward the second exterior bearing surface; and a pair of axle shafts drivingly engaged to said differential assembly.