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. 22, 1999
Filed:
Nov. 14, 1996
Applicant:
Inventors:
Norio Takakura, Hokkaido, JP;
Han Zhi-peng, Hokkaido, JP;
Assignee:
Dynax Corporation, Chitose, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D / ;
U.S. Cl.
CPC ...
192 7012 ; 192 7014 ; 1921133 ;
Abstract
A friction engagement device has single-faced externally toothed disks interleaved with single-faced internally toothed disks which are engageable by an annular piston. The thickness of the externally toothed disks is less than the thickness of the internally toothed disks for improved heat dissipation performance.