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US 4,817,747 AGranted
All-terrain vehicle
OwnerJohn F. Kopczynskiinventor
Life of this patent
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OwnerJohn F. Kopczynskiinventor
Estimating the term…
An all-terrain vehicle having six wheels with three wheels on each side. Two of the wheels on each side are mounted on one pivotal bogie, and one wheel is mounted on another pivotal bogie, and the bogies are coupled to each other to always assume the same inclination to the horizontal centerline of the vehicle chassis in all pivotal positions thereof. The wheels may be round, or they may be oblate for greater traction. Certain of the oblate wheels on each side of the vehicle are oriented with their axes at 90.degree. to each other in all pivotal positions thereof, and the compensating action of the pivoting bogies will cause the vehicle body to remain perfectly level on level ground as the oblate wheels rotate. The outer wheels, whether round or oblate can be raised or lowered relative to the vehicle body, while the center wheel moves in an opposite direction. All wheels are positively driven by gearing which includes gearing in the bogies. When the vehicle has round wheels, a differential gearing arrangement is utilized to prevent scuffing among any of the wheels as the bogies pivot.
A six-wheeled vehicle comprising a vehicle body having opposite sides, first and second bogies on each of said opposite sides, first and second longitudinally spaced axles on each of said sides mounting central portions of each of said first and second bogies, respectively, for pivotal movement, each of said bogies having inner and outer ends, means mounting an outer wheel for rotation on each outer end of each of said first and second bogies, means mounting an inner wheel on the inner end of said second bogies, and linkage means coupled relative to said first and second bogies for causing said first and second bogies on each side of said vehicle to always extend at a substantially equal angle to the horizontal in all angular positions of said first and second bogies to thereby cause said outer wheel of said first bogie and said inner wheel to move same amounts in equal direction as said bogies pivot and to cause said outer wheel of said second bogie to move the same amount in the opposite direction as said bogies pivot.
A six-wheeled vehicle comprising a vehicle body having opposite sides and three wheels on each side, first and second bogies on each of said opposite sides, first and second longitudinally spaced aisles on each of said sides mounting central portions of each of said first and second bogies, respectively, for pivotal movement, each of said bogies having inner and outer ends, means mounting an outer wheel for rotation on each outer end of each of said first and second bogies, means mounting an inner wheel on the inner end of each of said second bogies, said inner and outer wheels being of oblate configuration and including longitudinal axes, and means for driving said wheels with said longitudinal axes of said inner wheels on each side of said vehicle always being substantially perpendicular to said longitudinal axes of said outer wheels on the same side of said vehicle in all rotational positions thereof.
A vehicle comprising a vehicle body having opposite sides, first and second bogies on each of said opposite sides mounting central portions of each of said first and second bogies, respectively, for pivotal movement, each of said first and second bogies having inner and outer ends, means mounting an outer wheel for rotation on each outer end of each of said first and second bogies, means mounting an inner wheel on the inner end of each of said second bogies, first driving means for positively driving all of said inner and outer wheels on one of said sides of said vehicle comprising first drive linkage means coupled to said outer wheel on said first bogie, second drive linkage means coupled to said inner wheel on said second bogie, and third drive linkage means coupled to said outer wheel on said second bogie, and differential gear means effectively interposed between said third drive linkage means, on one hand, and said first and second drive linkage means, on the other hand, so that there can be relative rotational movement between said outer wheel on said second bogie, on one hand, and said outer wheel on said first bogie and said inner wheel on said second bogie, on the other hand, and second driving means corresponding to said first driving means for driving all of said inner and outer wheels on the other side of said vehicle.
A vehicle comprising a vehicle body having first and second opposite sides, a pair of first bogies having inner and outer ends on said first side, a pair of second bogies having inner and outer ends on said second side, a pair of first pivot means on said first side each mounting one of said first bogies intermediate the ends thereof, a pair of second pivot means on said second side each mounting one of said second bogies intermediate the ends thereof, first means interconnecting said inner ends of said first bogies, second means interconnecting said inner ends of said second bogies, a pair of first wheels mounted on said outer ends of said first bogies, a pair of second wheels mounted on said outer ends of said second bogies, a third wheel mounted on said inner end of one of said first bogies, and a fourth wheel mounted on said inner end of one of said second bogies, said first pivot means being mounted on said vehicle body entirely independently of said second pivot means to thereby permit said first and second bogies to pivot on said vehicle body entirely independently of each other.
In a vehicle body having opposite sides and having a power source, a wheel suspension comprising a bogie having a central portion and spaced portions on opposite sides of said central portion, pivot means having a first axis for pivotally mounting said central portion of said bogie on one of said sides of said vehicle body, first and second wheels, first and second parallel shafts mounted on said opposite sides of said central portion mounting said first and second wheels, respectively, said first and second shafts being substantially parallel to said pivot means, first and second means on said bogie for driving said first and second wheels, respectively, and a differential located between said power source and said first and second means to permit relative rotational movement of said first and second wheels.
A vehicle comprising a vehicle body having a side;
A vehicle comprising a vehicle body having first and second opposite sides, a pair of first bogies having inner and outer ends on said first side, a pair of second bogies having inner and outer ends on said second side, a pair of first pivot means on said first side each mounting one of said first bogies intermediate the ends thereof, a pair of second pivot means on said second side each mounting one of said second bogies intermediate the ends thereof, first means interconnecting said inner ends of said first bogies, second means interconnecting said inner ends of said second bogies, a pair of first wheels mounted on said outer ends of said first bogies, a pair of second wheels mounted on said outer ends of said second bogies, a third wheel mounted on said inner end of one of said first bogies, and a fourth wheel mounted on said inner end of one of said second bogies, and said first and third wheels being located on said first bogies so that said third wheel can carry substantially twice the amount of the weight of said vehicle as each of said first wheels, and said second and fourth wheels being located on said second bogies so that said fourth wheel can carry substantially twice the amount of weight as each of said second wheels.
A vehicle comprising a vehicle body having first and second opposite sides, a pair of first bogies having inner and outer ends on said first side, a pair of second bogies having inner and outer ends on said second side, a pair of first pivot means on said first side each mounting one of said first bogies intermediate the ends thereof, a pair of second pivot means on said second side each mounting one of said second bogies intermediate the ends thereof, first means interconnecting said inner ends of said first bogies, second means interconnecting said inner ends of said first bogies, second means interconnecting said inner ends of said second bogies, a pair of first wheels mounted on said outer ends of said first bogies, a pair of second wheels mounted on said outer ends of said second bogies, a third wheel mounted on said inner end of one of said first bogies, and a fourth wheel mounted on said inner end of one of said second bogies, and means for positively adjusting the angular positions of said first and second bogies and maintaining said first and second bogies in said adjusted position.
Dependencies are inferred from the claim text.