US PATENT SUBCLASS 187 / 301
.~.~ Actuated by location of access barrier or its lock

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}
301.~.~ Actuated by location of access barrier or its lock

DEFINITION

Classification: 187/301

Actuated by location of access barrier or its lock:

(under subclass 276) Control* in which the information input component has its operation induced by either (a) the position of a door which allows or prevents the passage of a load onto the load-underlying support surface or (b) the position of a device having the sole function of holding such a door in its load blocking or unblocking position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

280, for an electric control* for the power source of a drive-means* actuated by the location of an access barrier or its lock.