IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
|
출원번호 |
US-0382384
(2003-03-06)
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발명자
/ 주소 |
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출원인 / 주소 |
- Honda Giken Kogyo Kabushiki Kaisha
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대리인 / 주소 |
Rankin, Hill, Porter &
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인용정보 |
피인용 횟수 :
7 인용 특허 :
31 |
초록
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A half-track multi-use vehicle having an independent suspension system that reduces body roll during operation in rough or sloping terrain. The vehicle includes a frame, a pair of beams that each holds mid and rear wheels, and a suspension system extending between the each beam and the frame. The su
A half-track multi-use vehicle having an independent suspension system that reduces body roll during operation in rough or sloping terrain. The vehicle includes a frame, a pair of beams that each holds mid and rear wheels, and a suspension system extending between the each beam and the frame. The suspension system includes a plurality of cushions and a stabilizer bar. The stabilizer bar is secured to each beam at a predetermined position between the mid and rear wheels. The predetermined position is selected such that each wheel's wheel rate, which is the combined spring rate contributed by an associated cushion and the stabilizer bar, is equal.
대표청구항
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1. A half-track vehicle, comprising:a frame having a first side and a second side; a first beam; a second beam; a first suspension system suspending the first beam from the frame adjacent the first side of the frame; a second suspension system substantially separate from the first suspension system
1. A half-track vehicle, comprising:a frame having a first side and a second side; a first beam; a second beam; a first suspension system suspending the first beam from the frame adjacent the first side of the frame; a second suspension system substantially separate from the first suspension system suspending the second beam from the frame adjacent the second side of the frame; at least one wheel attached to each beam; and a stabilizer bar attached to a central area of each beam, said stabilizer bar extending between said beams and being operable to limit body roll when one of said first and second beams moves vertically relative to said frame. 2. The vehicle according to claim 1, wherein each of said first and second suspension systems includes a cushion that serves to dampen relative vertical movement of said frame relative to said first and second beams.3. The vehicle according to claim 2, wherein each of said first and second suspension systems includes a trailing arm that extends between said frame and said first and second beams so that driving forces imparted to said beams cause said frame to move with said beam.4. The vehicle according to claim 2, wherein a mid wheel and a rear wheel are attached to each of said first and second beams.5. The vehicle according to claim 4, wherein each of said wheels has a cushion associated therewith and an associated wheel rate, and wherein said stabilizer bar is connected to said first and second beams at a predetermined location, said predetermined location being spaced a first distance from said mid wheels and a second distance from said second wheels.6. The vehicle according to claim 5, wherein said first and second distances are equal.7. The vehicle according to claim 5, wherein said first and second distances are different from one another, and are selected such that a resulting wheel rate of each wheel is substantially equal.8. The vehicle according to claim 5, wherein the cushion associated with the mid wheels has a first spring rate and the cushion associated with said rear wheels has a second spring rate.9. The vehicle according to claim 8, wherein said first spring rate is equal to said second spring rate.10. The vehicle according to claim 8, wherein said first spring rate is different than said second spring rate.11. The vehicle according to claim 9, wherein said stabilizer bar has a spring rate, and wherein a wheel rate, which is the spring rate on each wheel applied by the associated cushion and the stabilizer bar, is equal for each of the wheels.12. The vehicle according to claim 10, wherein said stabilizer bar has a spring rate, and wherein a wheel rate, which is the spring rate on each wheel applied by the associated cushion and the stabilizer bar, is equal for each of the wheels.13. The vehicle according to claim 12, wherein for each wheel, the spring rate applied by the stabilizer bar is dependent upon the distance the stabilizer is spaced from the wheel along the beam.14. The vehicle according to claim 2, wherein said first suspension system includes a first trailing arm extending between said frame and said first beam and said second suspension system includes a second trailing arm extending between said frame and said second beam, said first and second trailing arms causing said frame to move horizontally with said beams.15. The vehicle according to claim 14, wherein a mid wheel and a rear wheel are attached to each of said first and second beams and said first and second trailing arms are secured to said first and second beams at locations between said mid and rear wheels.16. The vehicle according to claim 15, wherein said stabilizer bar is a multi-piece assembly.17. A vehicle having a suspension system, comprising:a frame having a first side and a second side; a first beam; a second beam; a first mid wheel and a first rear wheel associated with said first beam and over which a first tracked belt is rotatably driven; a second mid wheel and a second rear wheel associated with said second beam and over which a second tracked belt is rotatably driven; wherein said suspension system comprises: a first suspension system suspending the first beam from the frame adjacent the first side of the frame, said first suspension system including a first cushion extending between said first beam and said frame and being secured to said first beam adjacent said first mid wheel, a second cushion extending between said first beam and said frame and being secured to said first beam adjacent said first rear wheel; a second suspension system substantially separate from the first suspension system and suspending the second beam from the frame adjacent the second side of the frame, said second suspension system including a third cushion extending between said second beam and said frame and being secured to said second beam adjacent said second mid wheel, and a fourth cushion extending between said second beam and said frame and being secured to said second beam adjacent said second rear wheel; and, a stabilizer bar having a first end and a second end, said stabilizer bar first end being attached to the first beam at a location between said first mid wheel and said first rear wheel, said stabilizer bar second end being attached to said second beam at a location between said second mid wheel and said second rear wheel, wherein said stabilizer bar is rotatably secured to said frame at a location intermediate said stabilizer bar first and second ends and, when only one of said first and second beams moves vertically relative to said frame a predetermined amount, said stabilizer bar is operable to transmit torsional force to the other of said first and second beams and thereby limits body roll of said vehicle. 18. The vehicle according to claim 17, wherein said stabilizer bar first end is spaced a first distance from said first mid wheel and a second distance from said first rear wheel, and said stabilizer bar second end is spaced the first distanced from said second mid wheel and the second distance from said second rear wheel.19. The vehicle according to claim 18, wherein said first distance is different than said second distance.20. The vehicle according to claim 18, wherein the first and third cushions have a first spring rate and the second and fourth cushions have a second spring rate.21. The vehicle according to claim 20, wherein said first spring rate is equal to said second spring rate.22. The vehicle according to claim 20, wherein said first spring rate is different than said second spring rate.23. The vehicle according to claim 21, wherein said stabilizer bar has a spring rate, and wherein a wheel rate, which is the spring rate on each wheel applied by the associated cushion and the stabilizer bar, is equal for each of the wheels.24. The vehicle according to claim 22, wherein said stabilizer bar has a spring rate, and wherein a wheel rate, which is the spring rate on each wheel applied by the associated cushion and the stabilizer bar, is equal for each of the wheels.
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