Motor vehicles – Special wheel base – Five or more wheels
Patent
1994-01-06
1996-10-08
Ellis, Christopher P.
Motor vehicles
Special wheel base
Five or more wheels
280 52, 280677, B62D 6110
Patent
active
055621724
ABSTRACT:
Soft low pressure type trailer wheels are supported on inverted V-shaped wheel tandem-type support members. Each of the wheel support members is pivotally supported on a side of the trailer and arranged such that the front wheels are supported about twice as far ahead of the pivot axis as the rear wheels are supported behind the axis. The pivot axis is arranged in the vicinity of the pivot point of the trailer. With this arrangement the front wheels may readily ascend a slope while "cranking" the rear wheels downwardly using the mechanical advantage provided by the longer forward support portions of the wheel support members. This tends to maintain the trailer relatively level. The arches provided by the inverted V-shaped wheel support members also provide sufficient ground clearance that the tops of the soft walled levees or the like type of undulations over which the trailer is towed, are not damaged to any extent. When descending slopes the front wheels can descend faster than the rear wheels tend to rise and thus again assist in maintaining the trailer in an essentially level (horizontal) state. Variable stoppers or limits are provided on each side of the trailer and can be set to damp the amount of rotation of the wheel support arms about their respective axes and slow and/or limit the decent of the front wheels. The prime mover which tows the trailer, is also provided soft low pressure tires.
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Ellis Christopher P.
Kananen Ronald P.
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