US PATENT SUBCLASS 14 / 71.3
.~.~ With lift means

Current as of: June, 1999
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14 /   HD   BRIDGES

69.5  DF  GANGWAY, RAMP, OR DOCK LEVELER {3}
71.1  DF  .~ Attached {1}
71.3.~.~ With lift means {2}
71.5  DF  .~.~.~> Attached to fixed structure at first end and with cover and provision to fit vehicle at second end
71.7  DF  .~.~.~> Hydraulic powered

DEFINITION

Classification: 14/71.3

(under subclass 71.1) Bridging structure including means to force at least a portion of the person or material supporting structure in a vertical direction for repositioning of the gangway to properly relate to the disassociated based.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism, appropriate subclasses for a mechanism used in moving a ramp.

248, Supports,

157+, for a ramp support.

414, Material or Article Handling,

228, 229, 230, 258, 385, 401, and 584 for handling apparatus including a movable ramp.