Snowmobile track suspension with variable load transfer characteristics
AssigneeOutboard Marine Corporation
InventorOlav Aaen
Life of this patent
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Abstract
Disclosed herein is a snowmobile comprising a drive sprocket mounted on a chassis, a track suspension assembly, a track trained around said sprocket and said track suspension assembly, a rear arm floatably connecting the chassis to the track suspension assembly, a front suspension link pivotally connected to the chassis about an axis fixed with respect to the chassis, a plurality of vertically spaced mounting apertures on the track suspension assembly, and a member selectively pivotally connecting the front link to one of the mounting apertures.
Claims9
A snowmobile comprising a chassis, a drive sprocket mounted on said chassis, a track suspension assembly, a track trained around said sprocket and said track suspension assembly, rear arm means for floatably connecting said chassis to said track suspension assembly, a forward link having a lower end and having an upper end pivotally connected to said chassis about an axis fixed with respect to said chassis, a plurality of vertically spaced mounting means on said track suspension assembly, and means selectively pivotally connecting said lower end of said link to one of said mounting means.
A snowmobile comprising a chassis, a drive sprocket mounted on said chassis, a track suspension assembly, a track trained around said sprocket and said track suspension assembly, rear arm means for floatably connecting said chassis to said track suspension assembly, a forward link having a lower end and an upper end pivotally connected to said chassis about an axis fixed with respect to said chassis, means for yieldably biasing said track suspension assembly away from said chassis, stop means for limiting the range of movement of said track suspension assembly relative to said chassis, and means on said lower end of said forward link and on said suspension assembly for selectively and variably pivotally connecting said lower end of said forward link to said track suspension assembly without affecting the range of movement of said track suspension assembly relative to said chassis.
Dependencies are inferred from the claim text.