Motor vehicles – Including one or more ski-like or runner members – With at least one surface-engaging propulsion element
Reexamination Certificate
2004-12-28
2009-11-17
Dickson, Paul N (Department: 3611)
Motor vehicles
Including one or more ski-like or runner members
With at least one surface-engaging propulsion element
C180S009620, C180S009640, C074S60600R, C074S321000, C074S325000, C474S070000, C474S073000, C474S144000, C474S148000, C474S014000, C474S021000
Reexamination Certificate
active
07617899
ABSTRACT:
Embodiments of the invention facilitate shifting by reducing forces on certain shifting components and includes a snowmobile comprising a chassis, an engine supported by the chassis, a drive train operatively connected to the engine, the drive train comprising a reverse sprocket assembly functionally coupled to an upper sprocket assembly, a jackshaft rotatable within the upper sprocket assembly, and a pinion operatively connected to the jackshaft and selectively positionable axially along the jackshaft to a first position that engages the upper sprocket assembly to translate the snowmobile in a forward direction or to a second position that engages the reverse sprocket assembly to translate the snowmobile in a reverse direction.
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Warner Ty
Zinda Todd
Arce Marlon A
Baker & Daniels LLP
Dickson Paul N
Polaris Industries Inc.
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