US PATENT SUBCLASS 410 / 81
.~.~.~ By insertion of completely separable retainer, e.g., bolt, through aligned apertures

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

52  DF  LOAD BEARER ACCOMMODATION {14}
77  DF  .~ Retainer {6}
80  DF  .~.~ Load bearer understructure retention, e.g., leg engaging {1}
81.~.~.~ By insertion of completely separable retainer, e.g., bolt, through aligned apertures

DEFINITION

Classification: 410/81

By insertion of completely separable retainer, e.g., bolt, through aligned aperture:

(under subclass 80) Structure wherein the retention is effected by the passage of a hitherto independent elongated fastener through coaxial apertures through each of the freight carrier and load bearer parts.

(1) Note. The fastener was "hitherto independent" when carried upon the person for use as a retainer. It is also considered "hitherto independent" when hung from a chain or the like at a convenient spot on the load bearer or freight carrier surface. [figure]