US PATENT SUBCLASS 410 / 61
.~.~.~ Jack screw erected

Current as of: June, 1999
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410 /   HD   FREIGHT ACCOMMODATION ON FREIGHT CARRIER

52  DF  LOAD BEARER ACCOMMODATION {14}
56  DF  .~ Semitrailer accommodation {3}
58  DF  .~.~ Collapsible and erectable stand {5}
61.~.~.~ Jack screw erected

DEFINITION

Classification: 410/61

Jack screw erected:

(under subclass 58) Structure in which the mounting means for the fore-end stand includes threaded means operable to obtain a force multiplying advantage effective to facilitate raising of the stand and with it, presumably, the mass of the supported fraction of the load. [figure]