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. 31, 1987
Filed:
Mar. 08, 1985
Applicant:
Inventors:
Masami Ishii, Toyota, JP;
Hiroshi Motoyama, Toyota, JP;
Ryohei Yabuno, Toyota, JP;
Akihito Isomura, Toyota, JP;
Assignee:
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Primary Examiner:
Int. Cl.
CPC ...
E21K / ;
U.S. Cl.
CPC ...
2915 / ; 474170 ;
Abstract
An inner surface of a cylindrical flange wall of a poly-V pulley is provided with a plurality of ribs in the longitudinal or axial direction of the cylindrical flange wall for strengthing the cylindrical flange wall.
Ishii, Masami. (1987). Method for making a poly-v grooved pulley with interior ribs (U.S. Patent No. 4653165). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4653165
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile