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:
Jun. 07, 1977
Filed:
May. 27, 1975
Applicant:
Inventors:
Noboru Murakami, Nagoya, JA;
Koichiro Hirosawa, Kariya, JA;
Kazuo Ohara, Toyota, JA;
Koichi Matsuo, Toyota, JA;
Assignee:
Aisin Seiki Kabushiki Kaisha, Kariya, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
74759 ; 74753 ;
Abstract
A speed change gear system of the planetary gear type suited for applications within fluid couplings used upon automobiles includes three simple planetary gear sets of the single pinion type and the double pinion type, three clutch units, and at least two brake units. The movable members of the three planetary gear sets are suitably coupled to each other, and the brake units are suitably locked and unlocked so as to attain the desired speed ranges, that is, at least four forward drive speeds and at least one reverse drive speed.