US PATENT SUBCLASS 187 / 257
.~.~.~.~ Each moves distinct load support

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}
251  DF  .~ Includes linking support cable (e.g., rope, chain) in drive-means {2}
254  DF  .~.~ And rotatably driven drum pulling thereon {6}
256  DF  .~.~.~ Plural driven drums {4}
257.~.~.~.~ Each moves distinct load support

DEFINITION

Classification: 187/257

Each moves distinct load support:

(under subclass 256) Drive-means* wherein each drum engages and pulls on distinct cables* attached to different load-underlying support surfaces.