US PATENT SUBCLASS 187 / 307
.~.~.~ With means for locking input part of control against movement by operator

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}
306  DF  .~.~ Actuated by human operator engaging specific input part {2}
307.~.~.~ With means for locking input part of control against movement by operator {1}
308  DF  .~.~.~.~> Actuated by position or movement of access barrier or its position lock {1}

DEFINITION

Classification: 187/307

With means for locking input part of control against movement by operator:

(under subclass 306) Control* provided with means having the sole function of holding the information input component (e.g., handle) at a particular location to prevent its operation by an individual until the holding means is released.