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:
Feb. 06, 1990
Filed:
Oct. 19, 1988
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H / ; F16H / ;
U.S. Cl.
CPC ...
74 1563 ; 7442 / ; 74DI / ; 7460 / ; 1231 / ;
Abstract
A power transmission apparatus has a first shaft and a second shaft which are supported by an aluminum housing, and an iron gear and a synthetic resin gear which are respectively mounted on the two shafts and are engaged with each other. The synthetic resin used for the synthetic resin gear contains an aromatic polyamide fiber.