US PATENT SUBCLASS 187 / 324
.~.~ Shifts sliding barrier on load support

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

313  DF  WITH BARRIER FOR REGULATING ACCESS TO LOAD SUPPORT {4}
315  DF  .~ Includes motor or motor driven linkage for shifting barrier {3}
324.~.~ Shifts sliding barrier on load support

DEFINITION

Classification: 187/324

Shifts sliding barrier on load support:

(under subclass 315) Subject matter wherein the drive-means*

moves path blocking means attached to the load-underlying support surface bodily, as a unit, along guide means which constrains its movement to rectilinear reciprocation in substantially a single primary direction when repositioned either to prevent or allow passage of a load.