US PATENT SUBCLASS 305 / 179
.~.~.~ With reinforcement in or at grouser formation

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}
178  DF  .~.~ With integral grouser {1}
179.~.~.~ With reinforcement in or at grouser formation

DEFINITION

Classification: 305/179

With reinforcement in or at grouser formation:

(under subclass 178) Apparatus including a cast-in metal beam

or a separate metal beam or similar element provided adjacent the transverse rib portion to further increase the strength of the traction belt in the area of the grouser formation. [figure] [caption]A - Transverse stiffener; B - Flexible track; C - Reinforcement; D - Stiffener perforations; E - Traction element; F - Transverse tread bar; G - Track tensile; H - Transverse reinforcement sections; J - Drive means; K - Longitudinal groove; L, M - Tab with wear resistance surface; N - Track inner surface