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Patent Searching and Data


Title:
METHOD OF MANUFACTURING TOROIDAL TYPE CONTINUOUSLY VARIABLE TRANSMISSION
Document Type and Number:
Japanese Patent JP2011173130
Kind Code:
A
Abstract:

To form a recessed groove having high shape accuracy on one-side face of a disk to improve the traction property stably and at a low cost.

A form roller 17 which has the curved surface 20 having a shape corresponding to the recessed groove to be formed is supported to a tool displacing member 21 for moving the form roller 17 via an elastic member 23. By rotating a disk 15 in a state where the form roller 17 is pressed against the one-side surface 16, the recessed groove is formed on the one-side surface 16.


Inventors:
NISHII DAIKI
RI SEIHATSU
Application Number:
JP2010037057A
Publication Date:
September 08, 2011
Filing Date:
February 23, 2010
Export Citation:
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Assignee:
NSK LTD
International Classes:
B21H7/14; F16H15/38
Domestic Patent References:
JP2004223570A2004-08-12
JP2004138165A2004-05-13
JPS62501488A1987-06-18
JPH04333338A1992-11-20
Attorney, Agent or Firm:
Kiwa Patent Office