US PATENT SUBCLASS 303 / 9.76
.~.~ Spring operated motor

Current as of: June, 1999
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303 /   HD   FLUID-PRESSURE AND ANALOGOUS BRAKE SYSTEMS

5  DF  MULTIPLE FLUID-RECEIVING DEVICES {1}
6.01  DF  .~ Multiple motors {6}
9.76.~.~ Spring operated motor

DEFINITION

Classification: 303/9.76

Spring operated motor:

(under subclass 6.01) Subject matter wherein one of the motors includes a resilient component working in opposition to the fluid pressure of the motor.

SEE OR SEARCH THIS CLASS, SUBCLASS:

71, for fluid pressure retracting systems often used with spring operated motors.

SEE OR SEARCH CLASS

188, Brakes, particularly

170, for spring applied, fluid pressure released brakes, per se.