Friction gear transmission systems or components – Friction gear includes idler engaging facing concave surfaces – Toroidal
Reexamination Certificate
2005-06-07
2005-06-07
Joyce, William C. (Department: 3682)
Friction gear transmission systems or components
Friction gear includes idler engaging facing concave surfaces
Toroidal
C476S040000
Reexamination Certificate
active
06902510
ABSTRACT:
A toroidal-type continuously variable transmission, has: a casing; an input rotary shaft; a pair of input side disks each including an input side inner surface and respectively supported on the input rotary shaft; an output cylinder supported on the input rotary shaft; a pair of output side disks each including an output side inner respectively supported on the periphery of the output cylinder; an output rotation transmission member fixed to the outer peripheral surface of the middle portion of the output cylinder; support members interposed respectively between the input side inner surfaces and the output side inner surfaces; power rollers being contacted with the input side inner surfaces and the output side inner surfaces; and, a rolling bearing disposed between the input side inner surface and the output side inner surfaces and rotatably supporting the output cylinder.
REFERENCES:
patent: 5033322 (1991-07-01), Nakano
patent: 5368529 (1994-11-01), Machida
patent: 5569112 (1996-10-01), Fukushima
patent: 5651750 (1997-07-01), Imanishi et al.
patent: 6659907 (2003-12-01), Hirano et al.
patent: A 2-283949 (1990-11-01), None
patent: UM 6-6788 (1994-01-01), None
patent: A 8-4869 (1996-01-01), None
patent: A 8-61453 (1996-03-01), None
patent: A 10-339361 (1998-12-01), None
patent: 11-51136 (1999-02-01), None
Joyce William C.
NSK Ltd.
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