FRICTION DRIVE-TYPE WAVE TRANSMISSION

WIPO Patent Application WO/2012/165395

A1

This friction drive-type wave transmission is provided with: an annular rigid member (1) having a circular internal peripheral surface; an annular elastic member (2) having an external peripheral surface capable of circumscribing the internal peripheral surface of the annular rigid member (1), the annular elastic member being disposed inside the annular rigid member (1); and a wave generator (3) disposed inside the annular elastic member (2). The wave generator (2) flexes the annular elastic member (2) outward in the radial direction, causes the external peripheral surface of the annular elastic member (2) to make contact with the internal peripheral surface of the annular rigid member (1) in a portion having a plurality of locations in the peripheral direction, and causes the contact parts (2a) thereof to move in the peripheral direction. The external shape of the wave generator (3) is formed so that the contact parts (2a) of the external peripheral surface of the annular elastic member (2) that make contact with the internal peripheral surface of the annular rigid member (1) are circular arc-shaped parts having an outside diameter that is substantially equal to the inside diameter of the internal peripheral surface of the annular rigid member (1).

SONE KEISUKE (JP)
NAKAJIMA TATSUO (JP)
MUKAI HIROKI (JP)

PCT/JP2012/063689

December 06, 2012

May 29, 2012

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NTN TOYO BEARING CO LTD (JP)
SONE KEISUKE (JP)
NAKAJIMA TATSUO (JP)
MUKAI HIROKI (JP)

F16H13/08; F16H1/32

JP2575597Y2	1998-07-02
JPS6113056A	1986-01-21
JPS61157852A	1986-07-17
JPH08200465A	1996-08-06
JP2008202707A	2008-09-04

SUGIMOTO, Shuji et al. (JP)
Shuji Sugimoto (JP)

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