Planetary gear transmission systems or components – Planet pinion is friction gear
Patent
1991-05-06
1993-04-20
Braun, Leslie A.
Planetary gear transmission systems or components
Planet pinion is friction gear
74479B, 901 25, G05G 1100
Patent
active
052037487
ABSTRACT:
A planetary roller speed reducer includes a sun roller mounted rotatably on a pedestal and a plurality of planetary rollers having a central portion with a narrowed diameter and mounted rotatably on the pedestal. The sun roller circumscribes large-diameter portions of the planetary rollers which work as a first reduction part, and an outer ring working as an output shaft circumscribes a small-diameter portion working as a second reduction part. A rotary driving system comprises a support fixed to the pedestal and disposed within the outer ring on an extension of the sun roller, and a turning angle detector fixed to the outer ring detects a turning angle between the support and the outer ring.
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Azuma Yusaku
Karube Yasuo
Ohsaka Teiji
Sawada Yasuhiro
Tanita Takeo
Braun Leslie A.
Canon Kabushiki Kaisha
Wittels Daniel
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