B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
305/53
B62D 55/18 (2006.01) B62D 55/07 (2006.01) B62D 55/24 (2006.01) B62M 27/02 (2006.01)
Patent
CA 1039777
GROUND ENGAGING DRIVE TRACK APPARATUS FOR SNOWMOBILES AND THE LIKE Abstract of the Disclosure A snowmobile drive track assembly includes an endless belt unit having a central drive belt section and laterally spaced belt sections interconnected by flat, spring-steel track bars. The several sections include longitudinally aligned ground- engaging drive ribs holding the bars in spaced relation to the ground. The bars are molded into the outer surface of the ground engaging side of the belt immediately adjacent the wall of the depending snow engaging ribs. The bar extends essentially completely throughout the width of the three sections with the undersurface completely exposed and drive lugs provided on the backside of the central section. The exposure of the bars on the outer side of the track unit essentially throughout the complete width of the track unit significantly increases the heat dissipating characteristics of the belt unit. The belt is suitably reinforced by embedding of nylon fabric and longi- tudinal cords. The track bars are suitably treated, prior to molding to provide adherence to the interconnecting rubber which may, however, be readily loosened for removal of a bar by use of a suitable solvent such as methol-ethyl ketone. -0-
234510
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