(under subclass 34) Subject matter in which means, other than an electric motor, are provided for causing the rotary work-element of one or more of the electric motors to tend to return to a previously occupied position when moved therefrom as a result of energization of the motor.
SEE OR SEARCH THIS CLASS, SUBCLASS:
119+, for motor systems having reciprocating or oscillating motors which are biassed to cause the movable element of the motor to move in one direction of the reciprocating movement.
159+, for miscellaneous motor systems having a motor which is biassed against rotation.
SEE OR SEARCH CLASS
74, Machine Element or Mechanism, 470, for resiliently connected levers and linkage systems.
267, Spring Devices, for structure of spring devices, per se.
310, Electrical Generator or Motor Structure,
15+, for the structure of reciprocating motors having biasing means for causing the movable element to move in one direction of the reciprocating movement.
324, Electricity: Measuring and Testing,
131, for electric meters having biased pointers or indicators.
