G - Physics – 05 – D
Patent
G - Physics
05
D
318/34, 73/0.5
G05D 3/14 (2006.01) G05B 11/10 (2006.01) G12B 13/00 (2006.01) H01C 10/14 (2006.01) H02K 7/10 (2006.01) H02K 11/00 (2006.01) H02K 24/00 (2006.01)
Patent
CA 1301828
ABSTRACT A low voltage direct current motorized servoactuator having an output gear position feedback potentiometer with a ring gear received initially loosely on the potentiometer shaft and in engagement with the output gear. A collar keyed hinged to the potentiometer shaft, but axially movable thereon, permits the output gear to be positioned independently of the potentiometer for calibration without disengaging the ring gear. With the output gear in the desired position, the potentiometer shaft is rotated until the potentiometer reads the desired percentage of its full scale resistance or voltage output; and, the collar is then moved axially to a press fit with the ring gear to lock the calibration and thereafter to rotate the potentiometer shaft with rotation of the ring gear. The motor drive pinion is a worm formed of material having a minor fraction (18%) of chloro-fluorinated polymer and a lesser fraction (2%) of lubricant, balance polyimide plastic material. The driven gears are formed of material having a minor fraction (18%) of chloro-fluorinated polymer and a lesser fraction (2%) of lubricant, balance acetal plastic material.
594800
Devera Dennis
Kenny Andrew Augustine
Borden Ladner Gervais Llp
Corporation Eaton
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