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:
Aug. 01, 2000
Filed:
Aug. 04, 1998
Applicant:
Inventor:
Hiroyasu Yoshihara, Kiryu, JP;
Assignee:
Ogura Clutch Co., Ltd., Madison Heights, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D / ;
U.S. Cl.
CPC ...
192 84961 ; 192 84941 ;
Abstract
An electromagnetic coupling device includes a damper rubber member to mitigate the sound generated during attraction of the armature to the rotor. The spring constant of the damper rubber member is increased by increasing the contact surface of the damper rubber member at a head portion of the torque transmission pin.