Planetary gear transmission systems or components – Planetary gearing or element – Planet pinion supported by roller bearings
Reexamination Certificate
2007-11-13
2007-11-13
Wright, Dirk (Department: 3681)
Planetary gear transmission systems or components
Planetary gearing or element
Planet pinion supported by roller bearings
C475S159000
Reexamination Certificate
active
11243666
ABSTRACT:
A planetary gear device includes a housing having a chamber for receiving lubricating member and having an internal gear, a carrier rotatably received in the chamber of the housing and having an output shaft and having a number of openings for rotatably receiving planet pinions. The planet pinions are engaged with the internal gear of the housing, and each includes a bore for receiving an axle, and a number of rollers received between the planet pinion and the axle to act as a bearing device for smoothly attaching the planet pinions on the axles. The planet pinions each has one or two side portions each having one or more slots for filling the lubricating member into the bore of the planet pinion.
REFERENCES:
patent: 6129648 (2000-10-01), Tanioka et al.
patent: 6432022 (2002-08-01), Bayer
patent: 6503168 (2003-01-01), Chang
patent: 6824495 (2004-11-01), Kirschner
patent: 6869381 (2005-03-01), Chang
patent: 7182709 (2007-02-01), Christ et al.
Apex Dynamics Inc.
Baxley Charles E.
Wright Dirk
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