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:
Dec. 23, 1980
Filed:
Dec. 29, 1978
Applicant:
Inventors:
Nobuaki Katayama, Toyoto, JP;
Hideaki Koga, Toyoto, JP;
Assignee:
Toyota Jidosha Kogyo Kabushiki Kaisha, Aichi, JP;
Primary Examiner:
Int. Cl.
CPC ...
F01M / ;
U.S. Cl.
CPC ...
184-612 ; 74467 ; 184 / ; 184 / ;
Abstract
A power transmission unit comprises a transmission casing shaped to conform with a change-speed gearing contained therein, the change-speed gearing including an output mainshaft rotatably supported from the rear end wall of the casing, and an extension housing secured in a fluid-tight manner to the rear end wall of the casing to form a lubricant chamber in open communication with the interior of the casing through the upper portion of the wall. In the transmission unit, an oil flow control device is provided in the bottom wall of the transmission casing to transfer lubricating oil into and from the lubricant chamber.