ELECTROMAGNETIC WRAP SPRING CLUTCH
Original Publication Date: 1983-Oct-31
Included in the Prior Art Database: 2004-Apr-04
Xerox Disclosure Journal
An electromagnetic wrap spring clutch illustrated as having a wrap snrine I surround the drive clutching surface 2 and The driven clutchinq surface 3. The control member 4 for the clutch for causing the spring 1 to wrap down upon the surface 3 is actuated to this condition by an electromagnetic coil 5 in the conventional manner. The improvement is directed to the relative diameters of the wrap spring 1 with clutch surface 3 and the electromagnetic coil 5, the latter having less diameter than the former. By virtue of this arrangement, the coil sprini takes on a relatively large size for more added clutching action relative to the size of the electromagnetic coil.