Patent ID: 6695112
Filing Date: 2004-02-24
Classification: F16D

Abstract:
A magnetic brake actuated spring clutch comprising:an input shaft that is rotatably mounted in a housing, the input shaft having a bore at one end that receives the end of an output shaft for rotation relative to the input shaft, a coil spring wound from flat wire disposed in the bore and surrounding the end of the output shaft that is in the bore, the coil spring having an inboard part that is wound in one direction and a coaxial outboard part that is wound in an opposite direction, the inboard part having an inboard end that is attached the to input shaft, the outboard part having an outboard end that is attached to a rotor of a magnetic brake, the rotor being journalled on the output shaft and including a sleeve that surrounds the outboard part of the coil spring, the input shaft having a counterbore that surrounds the sleeve, and the magnetic brake further including a stator that is secured in the housing.