US PATENT SUBCLASS 318 / 468
.~.~ Limit-of-travel control means

Current as of: June, 1999
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318 /   HD   ELECTRICITY: MOTIVE POWER SYSTEMS

445  DF  AUTOMATIC AND/OR WITH TIME-DELAY MEANS (E.G., AUTOMATIC STARTING AND/OR STOPPING) {20}
466  DF  .~ Movement, position, or limit-of-travel {3}
468.~.~ Limit-of-travel control means {1}
469  DF  .~.~.~> Overloading limit-of-travel-type control means

DEFINITION

Classification: 318/468

(under subclass 466) Subject matter in which the sensing means is responsive to limit-of-travel of the working element of the controlled motor or of any other device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

128, for motor systems having automatic means for controlling intermittent energization of an electric reciprocating or oscillating motor when at the limit-of-travel of the working element of the motor.

266, for motor systems having means for stopping motor at limit-of-travel thereof combined with other motor controls.

286, and the subclasses specified in the Notes to the definition of that subclass for motor systems having means for reversing an electric motor when it reaches the limit-of-travel thereof.

369, for motor systems having means for controlling the motor braking means at the limit-of-travel of the motor or of the means driven thereby.