CLUTCH, PUNCH FOR FORMING CLUTCHES, AND CLUTCH MANUFACTURING METHOD

WIPO Patent Application WO/2014/155686

A1

[Problem] To provide a clutch that prevents clutch brake dampening, a punch for forming clutches, and technology for a manufacturing method for clutches. [Solution] A clutch having: an annular metal supporting part having a bottom, an inner circumferential wall perpendicular to the bottom, an outer circumferential wall perpendicular to the bottom and disposed on the outer side in the radial direction of the inner circumferential wall so as to have the same axis as the inner circumferential wall; an annular friction plate that is engaged between the inner circumferential wall and the outer circumferential wall and is supported on the bottom; and a crimping structure that anchors the friction plate to the metal supporting part by way of a plurality of first crimping portions that are provided in locations spaced substantially equally along the circumferential direction of the inner circumferential wall and hold the friction plate to the bottom, and a plurality of second crimping portions that are provided in locations spaced substantially equally along the circumferential direction of the outer circumferential wall and hold the friction plate to the bottom. The plurality of second crimping portions are formed in locations that do not overlap with the plurality of first crimping portions in the radial direction of the metal supporting part.

HYAKUTAKE MAKOTO (JP)
KAMOSHITA KENJI (JP)

PCT/JP2013/059572

October 02, 2014

March 29, 2013

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NITTAN VALVA (JP)

F16D27/112

JP2009185642A	2009-08-20
JP2002048156A	2002-02-15
JP2012088290A	2012-05-10

None
See also references of EP 2980435A4

YAGI Hidehito et al. (JP)
Hideto Yagi (JP)

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