A half-track vehicle includes a frame, first and second beams having forward and rearward wheels attached thereto, and first and second suspension systems. The frame includes a first side and a second side, and the first suspension system suspends the first beam from the frame adjacent the first sid
A half-track vehicle includes a frame, first and second beams having forward and rearward wheels attached thereto, and first and second suspension systems. The frame includes a first side and a second side, and the first suspension system suspends the first beam from the frame adjacent the first side of the frame and the second suspension system suspends the second beam from the frame adjacent the second side of the frame. Each suspension system includes at least one element, such as a trailing arm, and A-arm, and a transverse suspension member, that is attached to one of frame and an associated one of the first and second beams in a manner that permits three degrees of rotational movement and that transmits motive force from the first and second beams to the frame.
대표청구항▼
What is claimed is: 1. A half-track vehicle, comprising: (a) a frame having a first side and a second side; (b) a first beam; (c) a second beam; (d) a first suspension system suspending the first beam from the frame adjacent the first side of the frame; (e) a second suspension system substantially
What is claimed is: 1. A half-track vehicle, comprising: (a) a frame having a first side and a second side; (b) a first beam; (c) a second beam; (d) a first suspension system suspending the first beam from the frame adjacent the first side of the frame; (e) 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; (f) a forward wheel and a rearward wheel attached to each beam; and, (g) wherein said first suspension system includes at least one element that is attached to one of said frame and said first beam in a manner that permits three degrees of rotational movement and that transmits motive force from said first beam to said frame; and (h) wherein said second suspension system includes at least one element that is attached to one of said frame and said second beam in a manner that permits three degrees of rotational movement and that transmits motive force from said second beam to said frame. 2. The half-track vehicle according to claim 1, wherein said at least one element of each of said first and second suspension systems comprises a trailing arm. 3. The half-track vehicle according to claim 2, wherein said trailing arm of each of said first and second suspension systems is secured to a forward end of the beam supported by the suspension system adjacent said forward wheel and extends forwardly therefrom to the frame. 4. The half-track vehicle according to claim 3, wherein said trailing arm of each of said first and second suspension systems is secured to a top of the beam supported by the suspension system. 5. The half-track vehicle according to claim 4, wherein said trailing arm of each of said first and second suspension systems is secured to the beam supported by the suspension system such that said forward wheel, upon engagement with an obstacle, retracts at a mechanical compliance angle of between about 5-15째. 6. The half-track vehicle according to claim 5, further comprising a stop to limit rotation of the trailing arm of each of said first and second suspension systems. 7. The half-track vehicle according to claim 2, further comprising a stabilizer bar extending between said first and second beams, said stabilizer bar serving to equalize pressures experienced by said first and second beams. 8. The half-track vehicle according to claim 7, wherein said trailing arm of each of said first and second suspension systems is secured to a forward end of the beam supported by the suspension system adjacent said forward wheel and extends forwardly therefrom to the frame. 9. The half-track vehicle according to claim 8, wherein said trailing arm of each of said first and second suspension systems is secured to a top of the beam supported by the suspension system. 10. The half-track vehicle according to claim 9, wherein said trailing arm of each of said first and second suspension systems is secured to the beam supported by the suspension system such that said forward wheel, upon engagement with an obstacle, retracts at a mechanical compliance angle of between about 5-15째. 11. The half-track vehicle according to claim 10, further comprising a stop to limit rotation of the trailing arm of each of the first and second suspension systems. 12. The half-track vehicle according to claim 2, wherein said trailing arm of each of said first and second suspension systems is an A-arm. 13. The half-track vehicle according to claim 12, wherein said A-arm of each of said first and second suspension systems is secured to a forward end of the beam supported by the suspension system adjacent said forward wheel. 14. The half-track vehicle according to claim 13, wherein said A-arm of each of said first and second suspension systems is secured to a top of the beam supported by the suspension system. 15. The half-track vehicle according to claim 14, wherein said A-arm of each of said first and second suspension systems is secured to the beam supported by the suspension system such that said forward wheel, upon engagement with an obstacle, retracts at a mechanical compliance angle of between about 5-15째. 16. The half-track vehicle according to claim 14, further comprising a stop to limit rotation of the A-arm of each of said first and second suspension systems. 17. The half-track vehicle according to claim 13, further comprising first and second cushions on each of said first and second suspension systems, said first cushion being secured to the forward end of the beam supported by the suspension system at a location in common with said A-arm, and said second cushion being secured to a rearward end of the beam supported by the suspension system. 18. The half-track vehicle according to claim 12, further comprising a stabilizer bar extending between said first and second beams, said stabilizer bar serving to equalize pressures experienced by said first and second beams. 19. The half-track vehicle according to claim 18, wherein said A-arm of each of said first and second suspension systems is secured to a forward end of the beam supported by the suspension system adjacent said forward wheel and extends forwardly therefrom to the frame. 20. The half-track vehicle according to claim 19, wherein said A-arm of each of said first and second suspension systems is secured to a top of the beam supported by the suspension system. 21. The half-track vehicle according to claim 20, wherein said A-arm of each of said first and second suspension systems is secured to the beam supported by the suspension system such that said forward wheel, upon engagement with an obstacle, retracts at a mechanical compliance angle of between about 5-15째. 22. The half-track vehicle according to claim 21, further comprising a stop to limit rotation of the A-arm of each of said first and second suspension systems. 23. The half-track vehicle according to claim 18, further comprising first and second cushions, on each of said first and second suspension systems, said first cushion being secured to the forward end of the beam supported by the suspension system at a location in common with said A-arm, and said second cushion being secured to a rearward end of the beam supported by the suspension system. 24. The half-track vehicle according to claim 23, wherein said vehicle defines a longitudinal centerline and each suspension system includes a plurality of transverse suspension members, said transverse suspension members extending from each of said beams toward the other of said beams at least to said longitudinal centerline. 25. A half-track vehicle defining a longitudinal centerline and having a first side and an opposite second side, said vehicle comprising: (a) a frame; (b) a support structure that is a bracket extending downwardly from the frame at the longitudinal centerline; (c) a first beam disposed on said first side of said vehicle; (d) a second beam disposed on said second side of said vehicle; (e) a first suspension system suspending the first beam from the frame; (f) a second suspension system suspending the second beam from the frame, said second suspension system being substantially separate from the first suspension system; (g) a forward wheel and a rearward wheel secured to each of said first and second beams; (h) wherein said first suspension system includes at least one transverse suspension member, said at least one transverse suspension member extending from the first beam suspended by said first suspension system to said support structure at the longitudinal centerline; and (i) wherein said second suspension system includes at least one transverse suspension member, said at least one transverse suspension member extending from the second beam suspended by said second suspension system to said support structure at the longitudinal centerline. 26. The half-track vehicle according to claim 25, wherein a first transverse suspension member has a proximal end attached to said first beam and a distal end secured to said support structure, and wherein a second transverse suspension member has a proximal end attached to said second beam and a distal end secured to said support structure. 27. The half-track vehicle according to claim 26, wherein said distal ends of said first and second transverse suspension members define tubular housings that are rotatably secured to the support structure. 28. The half-track vehicle according to claim 27, wherein said tubular housings define passageways that are aligned with one another. 29. A half-track vehicle defining a longitudinal centerline and having a first side and an opposite second side, said vehicle comprising: (a) a frame, said frame including a support structure intersecting said longitudinal centerline; (b) a first beam disposed on said first side of said vehicle; (c) a second beam disposed on said second side of said vehicle; (d) a first suspension system suspending the first beam from the frame; (e) a second suspension system suspending the second beam from the frame, said second suspension system being substantially separate from the first suspension system; (f) a forward wheel and a rearward wheel secured to each of said first and second beams; (g) wherein said first suspension system includes at least one transverse suspension member, said at least one transverse suspension member extending from the first beam suspended by said first suspension system to said support structure; (h) wherein said second suspension system includes at least one transverse suspension member, said at least one transverse suspension member extending from the second beam suspended by said second suspension system to said support structure; and (i) wherein said at least one transverse suspension member is attached to one of said frame and the beam suspended by the suspension system in which the transverse suspension member is included in a manner that permits three degrees of rotational movement. 30. A half-track vehicle defining a longitudinal centerline and having a first side and an opposite second side, said vehicle comprising: (a) a frame, said frame including a support structure intersecting said longitudinal centerline; (b) a first beam disposed on said first side of said vehicle; (c) a second beam disposed on said second side of said vehicle; (d) a first suspension system suspending the first beam from the frame; (e) a second suspension system suspending the second beam from the frame, said second suspension system being substantially separate from the first suspension system; (f) a forward wheel and a rearward wheel secured to each of said first and second beams; (g) wherein said first suspension system includes at least one transverse suspension member, said at least one transverse suspension member extending from the first beam suspended by said first suspension system to said support structure; (h) wherein said second suspension system includes at least one transverse suspension member, said at least one transverse suspension member extending from the second beam suspended by said second suspension system to said support structure; and (i) wherein said frame includes a first frame member disposed on said first side of said vehicle and a second frame member disposed on a second side of said vehicle, a first transverse suspension member has a proximal end attached to said first beam and a distal end secured to said second frame member, and a second transverse suspension member has a proximal end attached to said second beam and a distal end secured to said first frame member.
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이 특허에 인용된 특허 (30)
Wheeler John G. (San Jose CA), 3-Axle walking beam suspension.
Purcell Robert J. (Washington IL) Balzer David J. (East Peoria IL) Van Zandt Rollin P. (Peoria IL), Multidirectional resilient suspension for vehicles.
Albright, Larry E.; Homola, Gary J.; Homola, legal representative, Maria C; Koch, Rodney; Tuhy, Lance; Roan, Thomas J., Track vehicle having drive and suspension systems.
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