Ratio changing method and apparatus

Details Ratio changing method and apparatus Ratio changing method and apparatus

2004-04-05

2009-06-23

Estremsky, Sherry (Department: 3655)

Machine element or mechanism

Gearing

C475S166000, C475S169000, C475S175000, C475S162000

Reexamination Certificate

active

07549357

ABSTRACT:
A ratio changing method and apparatus includes, in a hypocycle arrangement, an input drive wheel (2), an output drive wheel (3) and a transfer ring (1). The input drive wheel (2) drives around the exterior of the transfer ring (1). The transfer ring (1) is constrained against rotation about its own axis but oscillates about the outward drive wheel (3), in parting rotation to the output drive wheel (3) as a result a simple and effective ratio changing apparatus is provided.

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