F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
74/132
F16H 3/44 (2006.01) F16H 1/28 (2006.01) F16H 57/02 (2006.01)
Patent
CA 1324007
ABSTRACT OF THE DISCLOSURE A unified asymmetric planetary gear assembly is provided herein. The assembly includes a sun gear and a plurality of planetary gears meshing with the sun gear. At least one of the planetary gears includes a middle planetary gear part, a planetary smaller disc part on a first side of the middle planetary gear part, the planetary smaller disc part having a radius smaller than a radius of a tooth root circle of the middle planetary gear part, a planetary larger disc part on a second side of the middle planetary gear part, the planetary larger disc part having a radius larger than a radius of a tooth edge circle of the middle planetary gear part, and a planetary boss including an axially-extending shaft bore, the middle planetary gear part, the planetary larger disc part and the planetary boss being unified in a body. An internal gear is provided which meshes with the planetary gears, the internal gear including an internal gear part meshing with the middle planetary gear part, a smaller inner cylinder part on a first side of the internal gear part, the smaller inner cylindrical part having a radius smaller than a radius of a tooth edge circle of the internal gear part, and a larger inner cylindrical part on a second side of the internal gear part, the larger inner cylindrical part having a radius larger than a radius of a tooth root circle of the internal gear part, the planetary smaller disc part being rollingly engageable with the smaller inner cylindrical part and the planetary larger disc part being rollingly engageable with the larger inner cylindrical part. A carrier is provided and a plurality of planetary shafts are provided which are attached to the carrier for rotatably supporting the planetary gears.
610245
Borden Ladner Gervais Llp
Matex Co. Ltd.
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