DRIVE PLATE AND METHOD FOR PRODUCING SAME

WIPO Patent Application WO/2016/013681

A1

Provided is a drive plate (1) in which a plate section (2) and a ring gear section (3) are integrally formed by using a molding die (200) to perform press working. A plurality of inner recessed sections (300) are formed in the ring gear section (3) so as to be positioned on the inside of each of a plurality of outer teeth (30). The inner peripheral surfaces of the inner recessed sections (300) comprise: an inner bottom surface (305) that includes a pair of corner surfaces (303) having bent surface shapes; a pair of first side surfaces (301) that are inclined so as to approach each other from an open end of the inner recessed sections (300) toward the inner bottom surface (305); and a pair of second side surfaces (302) that are formed in a band shape between each of the corner surfaces (303) and the first side surfaces (301). The inclination degree of the second side surfaces (302) with respect to a central line (CLt) that passes through the center of the inner recessed sections (300) and extends in the radial direction of the plate section (2) is smaller than the inclination degree of the first side surfaces (301) with respect to the central line (CLt).

SHIMIZU KEN (JP)
ITAYAMA KENTA (JP)
YAMAGUCHI SHUJI (JP)
HAMADA GEN (JP)
SHIBATA HIROSHI (JP)
YOKOYAMA HIROKI (JP)

PCT/JP2015/071248

January 28, 2016

July 27, 2015

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AISIN AW CO (JP)

F16H41/24; B21D53/28; B21K1/30; F16H41/28; F16H55/17

WO2012127725A1

2012-09-27

JP2885266B2	1999-04-19
JP2000140988A	2000-05-23
JP2007170596A	2007-07-05

ITEC INTERNATIONAL PATENT FIRM (JP)
Patent business corporation Itec international patent firm (JP)

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