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:
May. 09, 1989
Filed:
Feb. 05, 1988
Applicant:
Inventor:
David C Gustin, Loves Park, IL (US);
Assignee:
Dana Corporation, Toledo, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D / ; F16D / ;
U.S. Cl.
CPC ...
192 / ; 192 702 ;
Abstract
An armature is attracted to an electromagnetic field and moves axially of a rotary shaft when the field is excited. As the armature moves toward the field, it causes a movable pressure plate to shift along the shaft toward a fixed pressure plate and to press the discs of a disc pack into frictional engagement with one another. The disc pack is located between the two pressure plates and, when the discs are pressed into frictional engagement, they transmit torque from the shaft to an output member. The movable pressure plate is splined to the shaft and is tied rigidly to the armature to prevent the armature from cocking relative to the shaft.