US PATENT SUBCLASS 187 / 269
.~ Includes scissored supporting levers in drive-means

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}
269.~ Includes scissored supporting levers in drive-means

DEFINITION

Classification: 187/269

Includes scissored supporting levers in drive-means:

(under subclass 250) Drive-means* including two levers attached to the load-underlying support surface of the elevator which (a) are joined together by a pivot pin at a point spaced from their ends and about which they swing when the levers are transmitting power from the power source to the support surface and (b) bear at least a portion of the weight of the load-underlying support surface during its travel along the shaft*.

SEE OR SEARCH CLASS

254, Implements or Apparatus for Applying Pushing or Pulling Force,

122, for lazy tong means used to lift a load.