Snow vehicle

A saddle-riding snow vehicle comprising

• a vehicle body;
• an endless belt;
• a rear fork pivotally supported by said vehicle body at the rear end thereof and extending to either side of said endless belt;
• a rear cushion extending between said rear fork and said vehicle body;
• an axle mounted to said rear fork;
• a drive wheel mounted to said axle, said endless belt extending over said drive wheel;
• a guide wheel, said endless belt extending over said guide wheel and substantially laterally outwardly thereof;
• a rear arm connected at the front end of said rear arm to said rear fork and pivotally mounted to said rear fork, said rear arm extending rearwardly from said rear fork and rotatably mounting said guide wheel at the rear end of said rear arm;
• a cushion extending between said rear fork and said rear arm to resiliently support said rear arm to said rear fork.

A saddle-riding snow vehicle comprising

• a vehicle body;
• an endless belt;
• a rear fork pivotally supported by said vehicle body at the rear end thereof and extending to either side of said endless belt;
• an axle mounted to said rear fork;
• a drive wheel mounted to said axle, said endless belt extending over said drive wheel;
• a guide wheel, said endless belt extending over said guide wheel and substantially laterally outwardly thereof;
• a rear arm connected at the front end of said rear arm to said rear fork, said rear arm extending rearwardly from said rear fork and rotatably mounting said guide wheel at the rear end of said rear arm;
• a scraper plate fixed to said rear arm and extending to adjacent said drive wheel at a point about the periphery thereof.

A saddle-riding type snow vehicle comprising

• a vehicle body;
• an endless belt including a plurality of mutually spaced propelling lugs formed on its exterior surface and extending transversely thereof, a plurality of core members embedded in a central region of said belt in substantial alignment with said propelling lugs, and a plurality of transversely extending thick-walled members formed on the interior surface of said belt in substantial overlying relation to said propelling lugs;
• a rear fork pivotally supported by said vehicle body at the rear end thereof and extending to either side of said endless belt;
• an axle mounted to said rear fork;
• a drive wheel mounted to said axle, said endless belt extending over said drive wheel, said drive wheel including engaging elements extending laterally therefrom, said endless belt having engaging surfaces to receive said engaging elements, said endless belt being substantially wider than the width of said drive wheel including said engaging elements, said belt being flexible outwardly of said engaging elements;
• a rear arm connected at the front end of said rear arm to said rear fork, said rear arm extending rearwardly from said rear fork and rotatably mounting said guide wheel at the rear end of said rear arm;.
• a plurality of guide clips attached to the interior surface of said belt, said clips having oppositely spaced, inwardly extending guide arms;
• a downwardly extending slide rail fixed with respect to said rear arms for slidingly engaging said clips;

A saddle-riding snow vehicle comprising:

• a vehicle body;
• a rear fork pivotally supported by said vehicle body at the rear end thereof;
• an axle mounted to said rear fork;
• a driving wheel rotatably supported by said axle mounted to said rear fork;
• a pair of oppositely disposed rear arms pivotally supported at their front ends by said axle and rotatably mounting a guide wheel at the rear ends thereof;
• at least one cushion extending between said rear fork and a said rear arm;
• and
• an endless belt extending between and enclosing said drive wheel and said guide wheel.

A saddle-riding snow vehicle comprising:

• a vehicle body;
• a rear fork pivotally supported by said vehicle body at the rear end thereof;
• an axle mounted to said rear fork;
• a driving wheel rotatably supported by said axle mounted to said rear fork;
• a pair of oppositely disposed rear arms pivotally supported at their front ends by said axle and rotatably mounting a guide wheel at the rear ends thereof;
• an endless belt extending between and enclosing said drive wheel and said guide wheel;
• means forming a track belt cover mounted to said rear arms and extending across and covering said belt, said track belt cover including a front cover component secured to said rear fork and a rear cover component in overlapped relation with respect to said front cover component and secured to said rear arms.