Patent ID: 7367439

Claim:
An electromagnetic clutch comprising: a rotor connected to a drive source, the rotor being rotatable around an axis; an inner hub connected to a device that is driven; an outer plate provided on an outside of the inner hub so as to enclose it; an armature coupled to the outer plate and opposing the rotor; an elastic member provided between the inner hub and the outer plate and adhered thereto; and an electromagnetic coil for, when magnetized by being applied with a current, attracting the armature together with the outer plate to make the outer plate come directly into contact with the rotor and to make the armature come directly into contact with the rotor and, when demagnetized by terminating application of current, separating the outer plate and the armature from the rotor; wherein the outer plate is longer than the armature in an axial direction of the axis; and the elastic member is cylindrical and adhered to at least a portion of the outer plate extending further in the axial direction than the armature.