US PATENT SUBCLASS 305 / 48
.~.~ Projecting truss type

Current as of: June, 1999
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305 /   HD   WHEEL SUBSTITUTES FOR LAND VEHICLES

185  DF  TRACKS OR TREADS {14}
47  DF  .~ With sag prevention means {1}
48.~.~ Projecting truss type {1}
49  DF  .~.~.~> Truss interconnected

DEFINITION

Classification: 305/48

(under subclass 47) Apparatus in which said means includes outstanding projections on each track tread which projections coact to prevent flexing of the track in one direction.