FIELD: instrument industry.
SUBSTANCE: actuator comprises step motor and reduction gear. The output shaft of the reduction gear is provided with cam having spiral multi-turn groove on its face. The roller is mounted at the end of the lever for permitting rotation. The axis of rotation of the lever is in coincidence with the axis of suspension of the roller. The roller is pressed to one side of the groove by means of flexible member and is in a contact with it. The lever has cantilever part provided with the additional lever for permitting movement with respect to the main lever connected with the additional roller. The flexible member is interposed between the cantilever part of the main lever and additional lever. The main lever is provided with the cantilever having slide set in the end peripheral groove of the cam.
EFFECT: enhanced reliability.
6 dwg
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