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:
Mar. 08, 1994
Filed:
Nov. 04, 1992
Applicant:
Inventor:
Tetsuaki Numata, Kitakatsuragi, JP;
Assignee:
Koyo Seiko Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D / ;
U.S. Cl.
CPC ...
192 451 ; 192 / ;
Abstract
In a one-way clutch, an outer retainer is made of a plastic while an inner retainer is made of a fiber-reinforced plastic. Thus, this one-way clutch is lightweight and can be produced at a low cost. The fiber-reinforced plastic of the inner retainer has a greater strength than the plastic of the outer retainer so that inner portions of sprags that serve as center portions about which the sprags swing can be retained by the inner retainer more securely than can the outer portions of the sprags be retained by the outer retainer.