Oscillating internally meshing planetary gear system

Details Oscillating internally meshing planetary gear system Oscillating internally meshing planetary gear system

2007-04-17

2010-10-26

Ho, Ha D. (Department: 3655)

Planetary gear transmission systems or components

Planet periphery surrounds axis of interacting gear

Gear has plural circumferential tooth sets

C475S163000, C475S179000

Reexamination Certificate

active

07819770

ABSTRACT:
An oscillating internally meshing planetary gear system is provided in order to improve basic performance and reduce cost at the same time. The oscillating internally meshing planetary gear system has an internal gear and external gears internally meshing with the internal gear and is configured such that one of the external gears and the internal gear is oscillatingly rotated by means of eccentric bodies formed in an input shaft (eccentric body shaft). The system includes: a sliding motion-facilitating member intervening between an outer periphery of the eccentric body and the oscillating gear; and an eccentric body shaft bearing supporting the eccentric body shaft. In addition to this, the eccentric body shaft bearing and the sliding motion-facilitating member have the same configuration.

REFERENCES:
patent: 768574 (1904-08-01), Rice
patent: 4574659 (1986-03-01), Arndt
patent: 4621543 (1986-11-01), Gabilondo
patent: 4697477 (1987-10-01), Barr
patent: 4841810 (1989-06-01), Lew
patent: 4909102 (1990-03-01), Haga
patent: 7258643 (2007-08-01), Jones
patent: 2000-065162 (2000-03-01), None

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