SNOW MOBILE WITH PERFECTED DRIVE Russian patent published in 2013 - IPC B62M27/02 B62M17/00 B60K17/22 F16H9/18 

FIELD: transport.

SUBSTANCE: invention relates to snow mobile transmissions incorporating variator with one driven pulley adjustable flange. Transverse counter shaft 100 is made from thin-wall hollow tube. Driven pulley 83 comprises stationary roller 87 and moving roller 89. Stationary roller 87 is arranged with interference fit on outer surface of counter shaft first end 102. Moving roller 89 is arranged to slide on pouter surface of first end 102. Note here that moving roller 8 has moving external part 91 that extends through holes 128 of stationary roller 87 and is rigidly engaged with moving roller 89 by fasteners 129. Displacing spring 101 is arranged between stationary roller 87 and moving outer part 91 to displace moving roller 89 to stationary roller 87.

EFFECT: simplified design, decreased weight.

20 cl, 6 dwg