IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0347007
(2006-02-03)
|
등록번호 |
US-7581609
(2009-09-16)
|
우선권정보 |
JP-2005-027464(2005-02-03) |
발명자
/ 주소 |
|
출원인 / 주소 |
- Yamaha Hatsudoki Kabushiki Kaisha
|
대리인 / 주소 |
Knobbe, Martens, Olson & Bear, LLP
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
7 |
초록
▼
A front suspension arm is formed such that it is less likely to collide with obstacles exposed above the surface over which the associated vehicle is operated. The arm also has a greater strength against impact forces from the front. In one configuration, the front suspension arm has a relatively st
A front suspension arm is formed such that it is less likely to collide with obstacles exposed above the surface over which the associated vehicle is operated. The arm also has a greater strength against impact forces from the front. In one configuration, the front suspension arm has a relatively straight portion that is positioned on a body side and the front suspension arm has a bent portion that is formed on the ground contacting element side. The front suspension arm can have two arms having an oblong or oval shape in cross section.
대표청구항
▼
What is claimed is: 1. A vehicle comprising a body, a first suspension arm and a second suspension arm extending laterally outward from the body, the first suspension arm being positioned generally below the second suspension arm, the first suspension arm having a first end and a second end, the fi
What is claimed is: 1. A vehicle comprising a body, a first suspension arm and a second suspension arm extending laterally outward from the body, the first suspension arm being positioned generally below the second suspension arm, the first suspension arm having a first end and a second end, the first suspension arm comprising a generally linear portion proximate the first end and a bent region proximate the second end, the first suspension arm also comprising an oval cross-section in which a vertical dimension is less than a dimension perpendicular to the vertical dimension, the second suspension arm having a first end and a second end, the first end of the first suspension arm and the first end of the second suspension arm being connected to the body, a steering member attached to the second end of the first suspension arm and the second end of the second suspension arm, the steering member being positioned lower than the body, the first suspension arm comprising a bent portion such that the first suspension arm has a bent shape of a fixed angle such that the first end is located vertically higher than the second end and the second suspension arm also comprising a bent portion such that the first suspension arm has a bent shape of a fixed angle such that the first end is located vertically higher than the second end, the bent portions of both the first and second suspension arms being located substantially at a first distance from a longitudinally extending center plane of the vehicle and the first and second suspension arms extending generally parallel to each other. 2. The vehicle of claim 1, wherein the vehicle is a snowmobile and the steering member is a steering ski. 3. The vehicle of claim 1, wherein an upper surface of the front suspension is generally convex and a lower surface of the front suspension is generally concave when viewed along a longitudinal direction of the vehicle. 4. A vehicle comprising a body, a first suspension arm and a second suspension arm extending laterally outward from the body, the first suspension arm being positioned generally below the second suspension arm, the first suspension arm having a first end and a second end, the first suspension arm comprising a generally linear portion proximate the first end and a bent region proximate the second end, the first suspension arm also comprising an oval cross-section in which a vertical dimension is less than a dimension perpendicular to the vertical dimension, the second suspension arm also comprising an oval cross-section, the second suspension arm having a first end and a second end, the first end of the first suspension arm and the first end of the second suspension arm being connected to the body, a steering member attached to the second end of the first suspension arm and the second end of the second suspension arm, the steering member being positioned lower than the body, the first suspension arm comprising a bent portion such that the first suspension arm has a bent shape of a fixed angle such that the first end is located vertically higher than the second end and the second suspension arm also comprising a bent portion such that the first suspension arm has a bent shape of a fixed angle such that the first end is located vertically higher than the second end, the bent portions of both the first and second suspension arms being located substantially at a first distance from a longitudinally extending center plane of the vehicle and the first and second suspension arms extending generally parallel to each other. 5. The vehicle of claim 4, wherein the vehicle is a snowmobile and the steering member is a steering ski. 6. The vehicle of claim 4, wherein an upper surface of the front suspension is generally convex and a lower surface of the front suspension is generally concave when viewed along a longitudinal direction of the vehicle. 7. A vehicle comprising a body, a first suspension arm and a second suspension arm extending laterally outward from the body, the first suspension arm being positioned generally below the second suspension arm, the first suspension arm having a first end and a second end, the second suspension arm having a first end and a second end, the first end of the first suspension arm and the first end of the second suspension arm being connected to the body, a steering member attached to the second end of the first suspension arm and the second end of the second suspension arm, the steering member being positioned lower than the body, the first suspension arm comprising a bent portion such that the first suspension arm has a bent shape of a fixed angle such that the first end is located vertically higher than the second end and the second suspension arm also comprising a bent portion such that the first suspension arm has a bent shape of a fixed angle such that the first end is located vertically higher than the second end, the bent portions of both the first and second suspension arms being located substantially at a first distance from a longitudinally extending center plane of the vehicle and the first and second suspension arms extending generally parallel to each other, wherein at least one of the arms has an oval cross-section in which a vertical dimension is less than a dimension perpendicular to the vertical dimension. 8. The vehicle of claim 7, wherein an upper surface of the front suspension is generally convex and a lower surface of the front suspension is generally concave when viewed along a longitudinal direction of the vehicle. 9. A vehicle comprising a body, a first suspension arm and a second suspension arm extending laterally outward from the body, the first suspension arm being positioned generally below the second suspension arm, the first suspension arm having a first end and a second end, the second suspension arm having a first end and a second end, the first end of the first suspension arm and the first end of the second suspension arm being connected to the body, a steering member attached to the second end of the first suspension arm and the second end of the second suspension arm, the steering member being positioned lower than the body, the first suspension arm comprising a bent portion such that the first suspension arm has a bent shape of a fixed angle such that the first end is located vertically higher than the second end and the second suspension arm also comprising a bent portion such that the first suspension arm has a bent shape of a fixed angle such that the first end is located vertically higher than the second end, the bent portions of both the first and second suspension arms being located substantially at a first distance from a longitudinally extending center plane of the vehicle and the first and second suspension arms extending generally parallel to each other, wherein each of the arms has an oval cross-section in which a vertical dimension is less than a dimension perpendicular to the vertical dimension. 10. The vehicle of claim 9, wherein the vehicle is a snowmobile and the steering member is a steering ski. 11. The vehicle of claim 9, wherein the vehicle is a snowmobile and the steering member is a steering ski. 12. The vehicle of claim 9, wherein an upper surface of the front suspension is generally convex and a lower surface of the front suspension is generally concave when viewed along a Longitudinal direction of the vehicle. 13. A front suspension arm for a motor vehicle, the front suspension arm comprising a support member, an aperture extending at least part way through the support member, a first arm having a first end and a second end, the first end of the first arm secured to the support member, a second arm having a first end and a second end, each of the first and second arms having an oval cross-section in which a vertical dimension is smaller than a dimension generally perpendicular to the vertical dimension, the first end of the second arm secured to the support member at a location spaced from the first end of the first arm by a first distance, a first connecting member secured to the second end of the first arm, a second connecting member secured to the second end of the second arm, the first arm having a generally linear portion proximate the first end of the first arm, the first arm having a bent portion of a fixed angle proximate the second end of the first arm, the second arm having a generally linear portion proximate the first end of the second arm, the second arm having a bent portion of a fixed angle proximate the second end of the second arm, the bent portions of both the first and second arms being located substantially at a first distance from a longitudinally extending center plane of the vehicle and and the first arm and the second arm extending generally parallel to each other. 14. The front suspension arm of claim 13, wherein the cross-section extends along substantially a full length of each of the first and second arms. 15. The front suspension arm of claim 13 further comprising a joint member extending between the first arm and the second arm at a location between the support member and the first and second connecting members. 16. The front suspension arm of claim 15, wherein the joint member is positioned approximately midway along the first and second arms. 17. The front suspension arm of claim 15, wherein the joint member is positioned along the generally linear portions of the first and second arms.
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