Transmission ratio varying mechanism

Planetary gear transmission systems or components – Planet periphery surrounds axis of interacting gear – Gear teeth comprise rolling bodies

Reexamination Certificate

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Reexamination Certificate

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07621838

ABSTRACT:
A transmission ratio varying mechanism is configured such that transmission of rotation between a first steering shaft and an eccentric rotary plate is performed via a first rotation transmitting ball group that engages with a third cycloidal groove and a first cycloidal groove and such that transmission of rotation between the eccentric rotary plate and a second steering shaft is performed via a second rotation transmitting ball group that engages with a second cycloidal groove and a fourth cycloidal groove.

REFERENCES:
patent: 846273 (1907-03-01), Wunderlich
patent: 4829851 (1989-05-01), Imase
patent: 5197930 (1993-03-01), Imase
patent: 5286236 (1994-02-01), Hosokawa et al.
patent: 05010400 (1993-01-01), None
patent: 11227622 (1999-08-01), None
patent: 2003172419 (2003-06-01), None
patent: 2005178519 (2005-07-01), None
patent: 2005247010 (2005-09-01), None
patent: 2006-44402 (2006-02-01), None
patent: 2006143029 (2006-06-01), None
patent: 2005115819 (2005-12-01), None

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