US PATENT SUBCLASS 305 / 169
.~.~.~ Including means for sprocket tooth engagement (e.g.,lug aperture)

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}
167  DF  .~.~ With metallic embedded reinforcement {4}
169.~.~.~ Including means for sprocket tooth engagement (e.g.,lug aperture)

DEFINITION

Classification: 305/169

Including means for sprocket tooth engagement (e.g., lug, aperture):

(under subclass 167) Apparatus wherein the endless belt includes spaced apertures lined with metal reinforcing clips extending through the apertures for contacting the pointed projection of the driving wheel.

SEE OR SEARCH CLASS

198, Conveyors: Power-Driven,

834, for a carrier belt drive means including wheel with radial teeth engaging carrier belt or means connected therewith; and subclass 847 for a carrier belt structure including separate reinforcing elements.

474, Endless Belt Power Transmission Systems or Components,

204, for a positive drive belt including drive surfaces on the belt formed in or interconnected by continuous flexible member. [figure] [caption]A - Endless belt; B - Tension resistant nonmetallic cord; C - Metallic reinforcement; D - Sprocket receiving aperture; E - Traction surface; F - Traction lug; G - Metal clip; H - Integral clip tabs