Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
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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Ferro Manufacturing Corporation
Staab Lawrence
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