US PATENT SUBCLASS 187 / 284
.~.~.~.~.~ And means for final leveling

Current as of: June, 1999
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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}
282  DF  .~.~.~ Actuated by load support contacting trip in shaft {1}
283  DF  .~.~.~.~ Having trip at each of plural landings {1}
284.~.~.~.~.~ And means for final leveling

DEFINITION

Classification: 187/284

And means for final leveling:

(under subclass 283) Control* having additional means which (a) begins its operation when a relatively short vertical distance remains between the load-underlying support surface and a landing* at which it is stopping and (b) adjusts the regulating functioning of the control* to accurately align the landing* and load-underlying support surface when fully stopped.