US PATENT SUBCLASS 187 / 285
.~.~.~ For fluid-type power source

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}
276  DF  .~ Includes control for power source of drive-means {6}
277  DF  .~.~ With specific electrical component {9}
285.~.~.~ For fluid-type power source {1}
286  DF  .~.~.~.~> Actuated by load support speed sensor or governor

DEFINITION

Classification: 187/285

For fluid-type power source:

(under subclass 277) Subject matter in which the force generating means regulated by the control* is powered by a fluid flowing therethrough.

SEE OR SEARCH THIS CLASS, SUBCLASS:

275, for a fluid ram which moves the load-underlying support surface and has specific fluid flow controlling means (e.g., valve).