US PATENT SUBCLASS 187 / 293
.~.~.~.~ Controls power source speed


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



187 /   HD   ELEVATOR, INDUSTRIAL LIFT TRUCK, OR STATIONARY LIFT FOR VEHICLE

250  DF  HAVING SPECIFIC LOAD SUPPORT DRIVE-MEANS OR ITS CONTROL {6}
276  DF  .~ Includes control for power source of drive-means {6}
277  DF  .~.~ With specific electrical component {9}
289  DF  .~.~.~ For electric power source {5}
293.~.~.~.~ Controls power source speed {4}
294  DF  .~.~.~.~.~> Actuated near terminus of shaft
295  DF  .~.~.~.~.~> Having control signal pattern generator
296  DF  .~.~.~.~.~> Limited to power source (i.e., motor) utilizing A.C. power
297  DF  .~.~.~.~.~> Limited to power source (i.e., motor) utilizing D.C. power


DEFINITION

Classification: 187/293

Controls power source speed:

(under subclass 289) Subject matter wherein the control* regulates the force output rate of the generating means.