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. 19, 2012
Filed:
Jul. 07, 2006
Hervé Riu, La Murette, FR;
Hervé Riu, La Murette, FR;
Dayco Europe S.r.l., Chieti, IT;
Abstract
A pulley assembly for flexible motor vehicle transmission, comprising a supporting member rotatable about an axis, a pulley adapted to cooperate with a belt and connected to the supporting member to be rotatable about said axis with respect to the supporting member, a spiral spring interposed between the supporting element and the pulley and comprising a sliding portion elastically loaded in radial direction against a sliding wall carried by one of either the supporting members or the pulley for coupling by a tangential force transmission the hub to the supporting member. In particular, the sliding portion defines a first contact zone and a second contact zone in which is concentrated the contact pressure exchanged between the sliding portion and the sliding wall, the first and second contact zone being reciprocally and angularly distanced.