Method of making a retainer for solid type roller bearing

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United States of America Patent

PATENT NO 4502740
SERIAL NO

06409950

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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This specification discloses a method of manufacturing a retainer for solid type roller bearing, a retainer manufactured by the method, and a cutting edge member used in the method. The specification also discloses the formation of roller retaining pawls around a roller retaining hole by cutting and removing post-like projections over a predetermined length by the cutting edge member, the post-like projections being formed on the wall surfaces of rectangular holes of a ring-like retainer member.

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Patent Owner(s)

Patent OwnerAddress
NIPPON SEIKO KABUSHIKI KAISHA A CORP OF JAPAN6-3 OHSAKI 1-CHOME SHINAGAWA-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hatta, George Fujisawa, JP 1 3
Nogawa, Tadao Ayase, JP 1 3
Ohura, Yukio Kawaguchi, JP 8 83

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