US PATENT SUBCLASS 187 / 255
.~.~.~ With projections or apertures for engaging complementary formations on cable (e.g., sprocket)

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}
255.~.~.~ With projections or apertures for engaging complementary formations on cable (e.g., sprocket)

DEFINITION

Classification: 187/255

With projections or apertures for engaging complementary formations on cable (e.g., sprocket):

(under subclass 254) Drive-means* wherein the drum is provided with projections or apertures located on the surface of its perimeter for engaging mating apertures or projections formed along the length of the cable*.