The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 15, 1998
Filed:
May. 24, 1996
Applicant:
Inventors:
Hiroshi Ueno, Tondabayashi, JP;
Akira Yamamoto, Kashiwara, JP;
Megumi Ohtani, Kashihara, JP;
Tadahiro Terada, Kita-Katsuragi-Gun, JP;
Assignee:
Koyo Seiko Co., Ltd., Chuo-ku, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C / ; F16C / ; C08L / ;
U.S. Cl.
CPC ...
524504 ; 524505 ; 524514 ; 525 66 ; 525 / ; 525183 ; 525184 ; 384527 ; 384576 ;
Abstract
The present invention provides a retainer made of synthetic resin for a rolling-contact element such as a roller of a rolling-contact bearing or a one-way clutch, which is used in a lubricating oil. The retainer comprises an aliphatic polyamide resin as a matrix and a hydrocarbon polymer having no oil resistance and good compatibility with the matrix, which is dispersed in the matrix. Examples of the thermoplastic hydrocarbon polymer include olefin polymer and styrene polymer.