Patent ID: 6692401
Filing Date: 2004-02-17
Classification: F16H

Abstract:
A two-stage gear mechanism, comprising:a drive shaft; a first gear stage that includes at least three planetary wheels each having a bearing axle symmetrically arranged about said drive shaft, and each configured and arranged as a stepped double gear wheel having a first gear wheel that engages said drive shaft, and a second gear wheel; a second gear stage driven by said first gear stage and meshing with an output shaft, wherein said second gear stage includes a wheel that is non-rotationally coupled to said output shaft; a housing having a plurality of housing openings that each accept a first end of one of an associated one of said bearing axles; and a gear casing fixedly situated within said housing, wherein said gear casing has a plurality of gear case openings that each accept a second end of one of said associated one of said bearing axles.