US 7,321,212 B2
Restricted motion motor control with visual indication
Clarence A. Lewis, deceased, late of Casco, Me. (US), by Dina M. Lewis, legal representative,
Assigned to Innovative Motor Controls Inc., Waltham, Mass. (US)
Filed on Feb. 01, 2006, as Appl. No. 11/344,865.
Prior Publication US 2007/0194739 A1, Aug. 23, 2007
Int. Cl. H02P 3/00 (2006.01)
U.S. Cl. 318—469  [318/468; 318/466; 318/266; 318/369; 101/257; 101/37; 101/35] 6 Claims
OG exemplary drawing
 
1. An apparatus comprising:
a motor having a driveshaft;
means for coupling the driveshaft for controlling position of a printing press plate;
at least two limit switches for controlling an extent of movement of the motor;
a shaft position tab indicative of the position of the driveshaft; and
a cover for housing the apparatus, the cover having a window through which the shaft position tab can be viewed.