The present invention relates to all terrain vehicles having at least a pair of laterally spaced apart seating surfaces. More particularly, the present invention relates to trail compliant side-by-side all terrain vehicles.
대표청구항▼
1. An all-terrain vehicle including: a frame, comprising a front frame portion, a mid frame portion and a rear frame portion;a front suspension supported by the front frame portion;at least two front wheels coupled to the front suspension;a front torsion bar supported by the front frame and coupled
1. An all-terrain vehicle including: a frame, comprising a front frame portion, a mid frame portion and a rear frame portion;a front suspension supported by the front frame portion;at least two front wheels coupled to the front suspension;a front torsion bar supported by the front frame and coupled to the front suspension;a front axle assembly supported by the front frame portion and drivingly coupled to the front wheels;side by side seats, each seat having a seat back and a seat bottom, each seat bottom having a top seating surface and a bottom mounting surface, the side by side seats further comprising a driver seating surface and a passenger seating surface;a rear suspension supported by the rear frame portion;at least two rear wheels coupled to the rear suspension;a rear torsion bar supported by the rear frame portion and coupled to the rear suspension;a rear axle assembly supported by the rear frame portion and drivingly coupled to the rear wheels;an engine supported by the frame, the engine comprising at least one cylinder having a cylinder head, said at least one cylinder being positioned rearwardly of the side by side seats and the top of the cylinder head of said at least one cylinder being positioned higher than each seat bottom mounting surface, and with the at least one cylinder head positioned forwardly of the rear axle assembly;a transmission coupled to the engine;a front drive shaft extending forward of the transmission for driving the front wheels; anda fuel tank positioned below the one of the passenger seating surface and driver seating surface; andthe overall vehicle width is less than 54 inches. 2. The vehicle of claim 1, further comprising a continuously variable clutch. 3. The vehicle of claim 1, wherein each seat bottom has a seating surface and a low point of the seating surface is below a top of the engine. 4. The vehicle of claim 1, further including an upper rear frame portion comprising a rear brace positioned over the engine and transmission. 5. The vehicle of claim 1, further comprising a front storage enclosure positioned under a hood, the enclosure having walls that restrain movement of items placed therein. 6. The vehicle of claim 1, further comprising a protective panel positioned between the side by side seats and the engine. 7. The vehicle of claim 1, wherein a rear-most point of the rear drive assembly is behind a rear-most point of the transmission. 8. The vehicle of claim 1, wherein the transmission is positioned higher than the rear drive assembly. 9. The vehicle of claim 1, wherein the vehicle width is approximately 50 inches. 10. An all-terrain vehicle including: a frame, comprising a front frame portion, a mid frame portion and a rear frame portion, the rear frame portion comprising a lower rear frame portion and an upper rear frame portion, the lower rear frame portion is comprised of lower cross members and the upper rear frame portion is comprised of at least one cross member, the upper rear frame portion at least partially extending over at least one of the engine or transmission and wherein the upper rear frame portion further comprises a rear brace positioned over the engine and transmission, wherein the rear brace is coupled to the frame rear portion;a front suspension supported by the front frame portion;at least two front wheels coupled to the front suspension;a front torsion bar supported by the front frame and coupled to the front suspension, the front torsion bar being configured to transmit at least a portion of an upward force exerted on one of the front wheels to the other of the front wheels;a front axle assembly supported by the front frame portion and drivingly coupled to the front wheels;side by side seats including a driver seating surface and a passenger seating surface;an engine supported by the frame;a transmission coupled to the engine, the transmission comprising a continuously variable transmission;a rear suspension supported by the rear frame portion;at least two rear wheels coupled to the rear suspension;a rear torsion bar supported by the rear frame portion and coupled to the rear suspension, the rear torsion bar being configured to transmit at least a portion of an upward force exerted on one of the rear wheels to the other of the rear wheels;a rear axle assembly supported by the rear frame portion and drivingly coupled to the rear wheels;a front drive shaft extending between the transmission and the front axle assembly for coupling the front wheels to the transmission;a fuel tank positioned below one of the seating surfaces; anda battery positioned below the other of the seating surfaces. 11. The vehicle of claim 10, wherein the driver seating surface and passenger seating surface each have a seat back and a seat bottom. 12. The vehicle of claim 10, wherein each seat bottom has a seating surface and a low point of the seating surface is below a top of the engine. 13. The vehicle of claim 10, wherein all portions of the engine are located rearward of at least a portion of a seat. 14. The vehicle of claim 10, wherein the vehicle width is approximately 50 inches. 15. The vehicle of claim 10, wherein the vehicle width is less than 54 inches. 16. An all-terrain vehicle including: a frame, comprising a front frame portion, a mid frame portion, and a rear frame portion;a front suspension supported by the front frame portion;at least two front wheels coupled to the front suspension;a front torsion bar supported by the front frame and coupled to the front suspension;a front axle assembly supported by the front frame portion and drivingly coupled to the front wheels;a seating area supported by the mid frame portion, comprising side by side seats each having a seat back and a seat bottom, each seat bottom having a top seating surface and a bottom mounting surface, the side by side seats further comprising a driver seating surface and a passenger seating surface;a rear suspension supported by the rear frame portion;at least two rear wheels coupled to the rear suspension;a rear torsion bar supported by the rear frame portion and coupled to the rear suspension;a rear axle assembly supported by the rear frame portion and drivingly coupled to the rear wheels;an engine supported by the frame, the engine comprising at least one cylinder having a cylinder head, said at least one cylinder being positioned rearwardly of the side by side seats and the top of the cylinder head of said at least one cylinder being positioned higher than each seat bottom mounting surface, and with the at least one cylinder head positioned forwardly of the rear axle assembly;a transmission coupled to the engine;a front drive shaft extending between the transmission and the front axle assembly for coupling the transmission to the front wheels;a fuel tank positioned below the one of the passenger seating surface and driver seating surface; anda battery positioned vertically below the other one of the passenger seating surface and driver seating surface. 17. The vehicle of claim 16, wherein the vehicle width is approximately 50 inches. 18. The vehicle of claim 16, wherein the vehicle width is less than 54 inches. 19. The vehicle of claim 1, wherein the front drive shaft extends laterally intermediate the side by side seats. 20. The vehicle of claim 10, further defining a weight and a power to weight ratio, the power to weight ratio being equal to at least 0.045/1 horsepower/pound. 21. The vehicle of claim 1, further including a battery positioned vertically below the other one of the passenger seating surface and driver seating surface. 22. The vehicle of claim 1, further including an adjustable steering wheel adapted to actuate the pair of front wheels. 23. The vehicle of claim 10, wherein the front driveshaft extends laterally between the fuel tank and the battery. 24. The vehicle of claim 10, wherein each of the at least two front wheels are operably coupled to the frame by way of a control arm. 25. The vehicle of claim 16, wherein the front drive shaft extends laterally intermediate the side by side seats. 26. The vehicle of claim 18, wherein the vehicle width is defined by the outer sides of the front wheels. 27. The vehicle of claim 16, further defining a weight and a power to weight ratio, the power to weight ratio being equal to at least 0.045/1 horsepower/pound. 28. The vehicle of claim 16, further including an adjustable steering wheel adapted to actuate the pair of front wheels.
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