Axial drive mechanism

Details Axial drive mechanism Axial drive mechanism

1987-08-04

1988-10-18

Staab, Lawrence

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74788, F16H 128

Patent

active

047778474

ABSTRACT:
An axial drive mechanism consisting of a worm gear, a first planetary gear system having a carrier, helical planet gears in meshing engagement with the worm gear and mounted on the carrier, and a ring gear on the carrier. An electric motor can be used to drive the worm gear and a second planetary gear system can be arranged in a coaxial relation with the first system to achieve a desired gear reduction while retaining the axial arrangement of the drive. The second planetary gear system has planet spur gears arranged about and in meshing engagement with the first ring gear and a secondary ring gear encircling the planet spur gears. The second planetary gear system includes a carrier on which the planet spur gears are mounted and an output pinion gear formed integral with the last mentioned carrier. The stationary ring gear is conveniently formed as a part of the housing for the electric motor.

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