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. 24, 2003
Filed:
Jul. 10, 2001
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho, Kariya, JP;
Abstract
An electromagnetic spring clutch may be utilized to engage a drive shaft of a auxiliary machine for vehicle and may include an input pulley rotatably supported by a housing of the auxiliary machine for vehicle . An electromagnetic coil may be disposed within the input pulley and an armature may be reversibly coupled to the input pulley by the electromagnetic coil . An output hub may transmit torque applied to the input pulley to the drive shaft . Preferably, the output hub is prevented from moving in an axial direction relative to the drive shaft and a clearance C is defined between the input pulley and the output hub . Preferably, the clearance C is prevented from increasing during operation. A coil spring may couple the armature to the output hub . The coil spring is preferably prevented from the intruding into the clearance C between the input pulley and the output hub