Friction gear transmission systems or components – Friction gear includes idler engaging facing concave surfaces – Toroidal
Reexamination Certificate
2006-01-31
2006-01-31
Fenstermacher, David (Department: 3682)
Friction gear transmission systems or components
Friction gear includes idler engaging facing concave surfaces
Toroidal
C476S045000
Reexamination Certificate
active
06991579
ABSTRACT:
A toroidal type continuously variable transmission having first and second discs supported around a rotating shaft and receiving power rollers therebetween includes a ball spline having a first spline groove formed in an outer circumferential surface of the rotating shaft, a second spline groove formed in an inner circumferential surface of the first disc, and balls provided between the first spline groove and the second spline groove rollably. An axial position of an end portion of an effective groove portion of the first spline groove is located to correspond to an axial position of an inner end portion of the second spline groove or more closely to the second disc than the axial position thereof when a pressing unit, a preload spring and the first disc are installed around the rotating shaft, pressure oil is not fed to the pressing unit, and the preload spring is not elastically deformed.
REFERENCES:
patent: 4186616 (1980-02-01), Sharpe
patent: 4229986 (1980-10-01), Sharpe
patent: 5033322 (1991-07-01), Nakano
patent: 5144850 (1992-09-01), Hibi
patent: 5569112 (1996-10-01), Fukushima
patent: 5651750 (1997-07-01), Imanishi et al.
patent: 6071210 (2000-06-01), Kato et al.
patent: 6206801 (2001-03-01), Ishikawa et al.
patent: 6248039 (2001-06-01), Hibi
patent: 6312356 (2001-11-01), Greenwood
patent: 6408518 (2002-06-01), Kumagae et al.
patent: 2-283949 (1990-11-01), None
patent: 6-14604 (1994-02-01), None
patent: 6-37222 (1994-09-01), None
patent: 6-280957 (1994-10-01), None
patent: 8-4869 (1996-01-01), None
patent: 8-61453 (1996-03-01), None
patent: 9-88988 (1997-03-01), None
patent: 10-159926 (1998-06-01), None
patent: 11-51135 (1999-02-01), None
patent: 2595141 (1999-03-01), None
patent: 11-141564 (1999-05-01), None
patent: 11-182644 (1999-07-01), None
patent: 11-241754 (1999-09-01), None
patent: 11-247953 (1999-09-01), None
patent: 2000-18350 (2000-01-01), None
patent: 2000-199553 (2000-07-01), None
patent: 2000-213610 (2000-08-01), None
patent: 2000-233367 (2000-08-01), None
patent: 2000-240748 (2000-09-01), None
patent: 2000-291756 (2000-10-01), None
patent: 2001-027298 (2001-01-01), None
patent: 2001-124165 (2001-05-01), None
Nikkei Mechanical vol. 564, (Sep. No. 2001), pp. 76-77, published by Nikkei Business Publications Inc., Sep. 1, 2001, is discussed on p. 8 in the specification for the above application.
Hashitani Hideki
Imanishi Takashi
Kobayashi Norihisa
Miyata Shinji
Fenstermacher David
NSK Ltd.
Sughrue & Mion, PLLC
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