Eccentric orbiting type planetary gear device

Details Eccentric orbiting type planetary gear device Eccentric orbiting type planetary gear device

1997-11-21

2000-03-07

Estremsky, Sherry L.

Planetary gear transmission systems or components

Planet periphery surrounds axis of interacting gear

Circumferentially spaced connector pins

F16H 132

Patent

active

060333332

ABSTRACT:
An eccentric orbiting type planetary gear device includes a bearing which requires no pre-load adjustment. The planetary gear device is small in the number of components when compared with the conventional device, and is improved in performance and in assembling efficiency. In manufacturing an eccentric orbiting type planetary gear device in which a supporting block (31) is made up of a supporting member (32) having a plurality of pillar-like portions (32a), and a disk (33), the supporting member and the disk being fastened to each other with fastening members (35) with an external gear (21) between the supporting member and the disk in such a manner the external gear is engaged with an internal gear; the supporting member and the disk are abutted against each other through end faces thereof, and are fastened to each other to form the supporting block, and bearing rolling surfaces (32b) and (33a) corresponding to inner races are formed in the supporting member and the disk at a predetermined interval.

REFERENCES:
patent: 4407170 (1983-10-01), Fukui
patent: 4594915 (1986-06-01), Braren
patent: 4730946 (1988-03-01), Cain
patent: 4846018 (1989-07-01), Matsumoto et al.
patent: 5322485 (1994-06-01), Haga
patent: 5484345 (1996-01-01), Fukaya

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