US PATENT SUBCLASS 310 / 219
.~.~ Current collectors

Current as of: June, 1999
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310 /   HD   ELECTRICAL GENERATOR OR MOTOR STRUCTURE

10  DF  DYNAMOELECTRIC {5}
40 R  DF  .~ Rotary {28}
219.~.~ Current collectors {7}
220  DF  .~.~.~> Spark-reduction {3}
227  DF  .~.~.~> With cooling
228  DF  .~.~.~> With cleaning, lubricating, resurfacing or repairing
229  DF  .~.~.~> Brush-traversing
230  DF  .~.~.~> Circumferential brush shifting on reversal
231  DF  .~.~.~> Rotary structure {2}
238  DF  .~.~.~> Fixed structure {2}

DEFINITION

Classification: 310/219

(under subclass 40) Subject matter relating to current collectors.

SEE OR SEARCH CLASS

191, Electricity: Transmission to Vehicles,

45+, for similar subject matter where current is collected from an extended conductor by a traveling brush.

318, Electricity: Motive Power Systems,

541+, for electric motor systems having current collector control means, such as brush shifting means. 322, Electricity: Single Generator Systems,

53, and 54+ for single generator systems having brush control means for shifting the generator brush.

388, Electricity: Motor Control Systems,

836, for running-speed control systems in which the position or number of brushes may be varied.

439, Electrical Connectors,

1+, for a pair of relatively movable electrical connectors.