US PATENT SUBCLASS 305 / 188
.~.~ Including additional locking means to elminate stress concentration

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

185  DF  TRACKS OR TREADS {14}
187  DF  .~ With detachable grouser for endless chain track {4}
188.~.~ Including additional locking means to elminate stress concentration

DEFINITION

Classification: 305/188

Including additional locking means to eliminate stress concentration:

(under subclass 187) Apparatus including further distinct holding means or particular configuration of the separable ground-engaging cleat which receives force and prevents excessive force on the cleat-fastening means.