Motor vehicles – Special driving device – Portable track
Reexamination Certificate
2011-06-28
2011-06-28
Hurley, Kevin (Department: 3611)
Motor vehicles
Special driving device
Portable track
C180S009500, C180S190000, C305S128000
Reexamination Certificate
active
07967088
ABSTRACT:
A snowmobile suspension and drive train for supporting a snowmobile chassis and guiding an endless loop type track, the snowmobile suspension and drive train comprises an endless loop type snowmobile track supported by a suspension mechanism; wherein the track is being driven and guided at a rear track position with track drive sprockets and is supported and guided at a front track position with front idler wheels, and wherein an upper portion of the track is guided and supported at an intermediate position over top track wheels. The snowmobile suspension wherein the suspension mechanism includes a diagonally extending upper frame pivotally connected at a pivot point to a horizontally oriented lower frame in scissor relationship such that the suspension can move between a raised position and a lowered position.
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