US PATENT SUBCLASS 305 / 180
.~.~ With removable lug or grouser


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

157  DF  ENDLESS BELT HAVING NONMETALLIC TRACK OR TREAD {5}
165  DF  .~ Track formed of endless flexible belt {6}
180.~.~ With removable lug or grouser


DEFINITION

Classification: 305/180

With removable lug or grouser:

(under subclass 165) Apparatus including a plurality of separable or changeable stiffening members extending transversely across the width of the belt at least substantially at a right angle to the longitudinal direction to impart transverse rigidity.

SEE OR SEARCH THIS CLASS, SUBCLASS:

187+, for a detachable grouser for an endless chain track.

SEE OR SEARCH CLASS

198, Conveyors: Power-Driven,

698, for a load-engaging belt having load-impelling projecting cross members joined by mechanical fastening means. [figure] [caption]A - Flexible track; B - Reinforced rubber belt; C - Transverse grouser (removable); D - Skid contraction lug; E - Drive lugs