Apparatus for restraining axial movement of a ring gear in a...

Planetary gear transmission systems or components – Planetary gearing or element – Floating or flexible coupling or support

Reexamination Certificate

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Reexamination Certificate

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07621843

ABSTRACT:
The gearbox may also comprise a retaining means comprising a retainer ring having a first leg fitted in mating relationship with the housing and a second leg depending there from and overlapping at least a portion of the ring gear. The retainer ring has two free ends spaced apart forming a gap there between. A keystone, mounted to the housing, has a first leg disposed between the gap in the retainer ring and disposed toward an input end of the gearbox, and a second leg attached to the first leg wherein the second leg is secured to the housing.

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