Patent ID: 9140316
Filing Date: 2015-09-22
Classification: F16C,F16D

Abstract:
1. A mechanical system providing a one-way clutch for a motor vehicle alternator pulley, the system comprising: an outer first ring and an inner second ring able to move relative to one another in rotation about a central axis and delimiting between them, radially with respect to the central axis, an annular housing; a free-wheel mechanism having members arranged in the annular housing; and at least two rolling bearings each including rollers arranged in the annular housing along the central axis, one on either side of the free-wheel mechanism, the outer first ring and the inner second ring common to the free-wheel mechanism and to the at least two rolling bearings, wherein the members of the free-wheel mechanism arranged in the annular housing include cams in contact with a first race formed by the outer first ring and a second race formed by the inner second ring and the first and second races are circular, centered on the axis of rotation and have no ramp, and wherein a surface of the outer first ring which defines the first race and a surface of the inner second ring which defines the second race are each provided with two shoulders marking the transition between the first or second race and two bearing races which are arranged, along the central axis, one on either side of the first or second race.