US PATENT SUBCLASS 187 / 328
.~.~.~ Having rotatably driven drum and cable pulled thereby in drive-means

Current as of: June, 1999
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187 /   HD   ELEVATOR, INDUSTRIAL LIFT TRUCK, OR STATIONARY LIFT FOR VEHICLE

313  DF  WITH BARRIER FOR REGULATING ACCESS TO LOAD SUPPORT {4}
325  DF  .~ Including barrier mounted at landing {5}
326  DF  .~.~ Barrier shifted by drive-means powered by motion of load support {3}
328.~.~.~ Having rotatably driven drum and cable pulled thereby in drive-means

DEFINITION

Classification: 187/328

Having rotatably driven drum and cable pulled thereby in drive means:

(under subclass 326) Drive-means* having a drum turned about its central axis by the source of power and a cable* which is either wound around or otherwise engaged by the perimeter of the drum to transmit force to the path blocking means.