US PATENT SUBCLASS 187 / 263
.~.~.~ With structure adapting drum for manual drive

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}
263.~.~.~ With structure adapting drum for manual drive

DEFINITION

Classification: 187/263

With structure adapting drum for manual drive:

(under subclass 254) Drive-means* wherein the drum is provided with structure attached to it which allows the drum to be turned by a human, rather than mechanical, energy source of power.