US PATENT SUBCLASS 187 / 274
.~.~ Plural fluid rams having interrelated operation

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}
272  DF  .~ Includes fluid supporting ram in drive-means {3}
274.~.~ Plural fluid rams having interrelated operation

DEFINITION

Classification: 187/274

Plural fluid rams having interrelated operation:

(under subclass 272) Drive-means* provided with an additional, similar, telescopic, fluid powered mechanism having its operation influenced or affected by the other fluid powered mechanism.