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Application filed by Могилевский Машиностроительный ИнститутfiledCriticalМогилевский Машиностроительный Институт
Priority to SU4399970/08ApriorityCriticalpatent/SU1690308A1/en
Application grantedgrantedCritical
Publication of SU1690308A1publicationCriticalpatent/SU1690308A1/en
FIELD: mechanical engineering. SUBSTANCE: in the course of shaft rotation of electric motor 2 eccentric shaft and toothed satellites 7 and 8 start rotating and in their turn impart rotary motion through gear rim 9 to hollow screw 10 of ball-and-screw drive. Displacement of nut 11 of ball-and-screw drive results in rotation of movable link 1 of manipulator. Preliminary twisting of torsion bars by means of preliminary twisting device 16 provides for taking up backlash in planetary gear. EFFECT: improved accuracy of positioning link due to elimination of backlash in kinematic train of drive. 1 dwg
SU4399970/08A1988-03-291988-03-29Movable link drive
SU1690308A1
(en)
DEVICE FOR GENERATING AN ADJUSTING TORQUE FOR A MOTION CONVERSION SYSTEM, IN PARTICULAR FOR ADJUSTING THE JAWS OF A CHUCK OR THE CLAMPING FORCE EXERCISED BY THEM.
Massaging device for insertion on back of massage chairs - provides alternating vertical movement of massage wheels, with actuator having upper gear electric motor actuating upper shaft and lower gear motor for lower shaft