Roller thrust bearing cage and manufacturing method thereof

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United States of America Patent

PATENT NO 8627570
APP PUB NO 20110023304A1
SERIAL NO

12923791

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Abstract

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A manufacturing method of a roller bearing cage, including a cage main body formed with an annular plate, and a plurality of cage pockets opened along a circumferential direction on the cage main body for retaining rollers having flat end faces, includes punching an annular plate from a metal, forming a plurality of cage pockets on the annular plate, and pressing an edge of one of the cage pockets in a thickness direction of the annular plate on a side face of the one of the cage pockets with a press jig having a pressing face of a predetermined shape to form a chamfered portion.

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Patent Owner(s)

Patent OwnerAddress
JTEKT CORPORATIONKARIYA-SHI AICHI-KEN 448-8652

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Takamizawa, Wataru Tokyo, JP 4 34

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