US PATENT SUBCLASS 305 / 45
.~ Adjustable connection between treads

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

185  DF  TRACKS OR TREADS {14}
45.~ Adjustable connection between treads

DEFINITION

Classification: 305/45

(under subclass 185) Apparatus wherein the connection between the individual track treads is such as to allow the distance between adjacent treads to be selectively increased or decreased.