Planetary gear apparatus

Details Planetary gear apparatus Planetary gear apparatus

2008-01-08

2008-01-08

Estremsky, Sherry (Department: 3681)

Planetary gear transmission systems or components

Planetary gearing or element

Reexamination Certificate

active

07316629

ABSTRACT:
A double pinion planetary gear unit includes a first sun gear, a second sun gear, a plurality of short pinions, a plurality of long pinions, a ring gear and a carrier. The carrier includes a first flange portion that supports an end side of the short pinions and an end side of the long pinions, a cylindrical portion that is connected to the first flange portion and that forms a cover for an outer peripheral side where the short pinions and the long pinions mesh with each other, a second flange portion that supports another end side of the long pinions, and a plurality of bridge portions that extend from the second flange portion toward the short pinions and that support another end side of the short pinions.

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