Title:
FRICTION ROLLER-TYPE TRANSMISSION
Document Type and Number:
WIPO Patent Application WO/2015/178098
Kind Code:
A1
Abstract:
A sun roller of a friction roller-type transmission includes a movable sun roller element (23) capable of moving in an axial direction. Furthermore, the sun roller is provided with a loading cam mechanism which is formed along the circumferential direction of an input shaft (12), the loading cam mechanism having a first cam surface (75), a second cam surface (77) arranged facing the first cam surface (75) and secured to the input shaft (12), rolling elements (63) held between the first and second cam surfaces (75, 77), and an annular holding device (51), and the loading cam mechanism axially displacing the movable sun roller element (23). The holding device (51) has an inside-diameter-surface guiding part (81) for positioning the holding device relative to the input shaft by being fitted over the input shaft, the guiding part being provided to the inside diameter surface.
Inventors:
YOSHIOKA HIROYASU (JP)
MATSUDA YASUYUKI (JP)
TANAKA KAZUTAKA (JP)
IMANISHI TAKASHI (JP)
MATSUDA YASUYUKI (JP)
TANAKA KAZUTAKA (JP)
IMANISHI TAKASHI (JP)
Application Number:
PCT/JP2015/059229
Publication Date:
November 26, 2015
Filing Date:
March 25, 2015
Export Citation:
Assignee:
NSK LTD (JP)
International Classes:
F16H13/08; F16H13/10
Foreign References:
| JPS52133881U | 1977-10-12 | |||
| JP2003021207A | 2003-01-24 | |||
| JP2008106923A | 2008-05-08 | |||
| JPH02180346A | 1990-07-13 |
Other References:
See also references of EP 3147541A4
Attorney, Agent or Firm:
Eikoh Patent Firm, P. C. et al. (JP)
Patent business corporation glory patent firm (JP)
Patent business corporation glory patent firm (JP)
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