US PATENT SUBCLASS 187 / 354
.~ Means actuated by access barrier movement

Current as of: June, 1999
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187 /   HD   ELEVATOR, INDUSTRIAL LIFT TRUCK, OR STATIONARY LIFT FOR VEHICLE

351  DF  HAVING SPECIFIC MEANS CONTACTING OR ON LOAD SUPPORT FOR STOPPING OR SLOWING THEREOF {4}
354.~ Means actuated by access barrier movement {1}
355  DF  .~.~> And having movable contact component carried by support

DEFINITION

Classification: 187/354

Means actuated by access barrier movement:

(under subclass 351) Retaining, halting, or retarding means having its operation induced by the shifting of path blocking means (e.g., door) which allows or prevents the passage of a load entering or leaving the load-underlying support surface by a path going to or from a landing*.