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:
Oct. 24, 2000
Filed:
Dec. 10, 1997
Applicant:
Inventors:
Zhi-Peng Han, Hokkaido, JP;
Yuzuru Sanbongi, Hokkaido, JP;
Assignee:
Dynax Corporation, Hokkaido, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D / ;
U.S. Cl.
CPC ...
192 7012 ; 192 7014 ; 19211336 ;
Abstract
A friction disc clutch utilizes different patterns and sizing of the oil dispersal grooves of interleaved toothed discs such that the removal of oil from the friction material is promoted, particularly from the disc that rotates at a lower speed.