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 |
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.
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