Patent ID: 8708125
Filing Date: 2014-04-29
Classification: E05F,E05Y,F16D,H02K

Abstract:
1. A clutch comprising: an annular clutch housing; a driving-side rotor; a driven-side rotor having a control surface, the control surface facing radially outward in the clutch housing, wherein, when the driving-side rotor rotates, the rotational driving force of the driving-side rotor is transmitted to the driven-side rotor; and a rolling element arranged between the inner circumferential surface of the clutch housing and the control surface, wherein, when the driving-side rotor is driven to rotate, the rolling element rotates together with the driven-side rotor, and when the driving-side rotor is not driven to rotate, the rolling element is held between the inner circumferential surface of the clutch housing and the control surface so as to prevent the driven-side rotor from rotating, wherein the driven-side rotor includes a driven-side coupling portion that can be coupled to and integrally rotated with the driving-side rotor, and the driven-side coupling portion and the control surface are provided at different positions in the axial direction.