A snowmobile includes a vehicle frame, a track belt to which driving force is transferred from an engine mounted on the vehicle frame, a guide rail guiding the track belt, a frontal connecting member rotatably connected to the vehicle frame and the guide rail in a front portion of the snowmobile, a
A snowmobile includes a vehicle frame, a track belt to which driving force is transferred from an engine mounted on the vehicle frame, a guide rail guiding the track belt, a frontal connecting member rotatably connected to the vehicle frame and the guide rail in a front portion of the snowmobile, a rear connecting member rotatably connected to the vehicle frame and the guide rail in a rear portion of the snowmobile, a first link member rotatably connected to the frontal connecting member, and a second link member rotatably connected to the first link member and the guide rail, and a shock absorber rotatably connected to the first link member or the second link member via a first connecting member. The first connecting member is provided above a second connecting member connecting the guide rail and the second link member.
대표청구항▼
What is claimed is: 1. A snowmobile comprising: a vehicle frame; a track belt to which driving force is transferred from an engine mounted on the vehicle frame; a guide rail guiding the track belt; a frontal connecting member rotatably connected to the vehicle frame and the guide rail in a front en
What is claimed is: 1. A snowmobile comprising: a vehicle frame; a track belt to which driving force is transferred from an engine mounted on the vehicle frame; a guide rail guiding the track belt; a frontal connecting member rotatably connected to the vehicle frame and the guide rail in a front end of the snowmobile; a rear connecting member rotatably connected to the vehicle frame and the guide rail in a rear end of the snowmobile; a link mechanism connected to the frontal connecting member and the guide rail, the link mechanism including a first link member rotatably connected to the frontal connecting member, and a second link member rotatably connected to the first link member and the guide rail; a first connecting member; a second connecting member; and a shock absorber connected to the link mechanism and the rear connecting member; wherein the shock absorber is rotatably connected to the first link member or the second link member via said first connecting member, and the first connecting member is provided above said second connecting member which connects the guide rail and the second link member. 2. The snowmobile according to claim 1, wherein the guide rail includes a guide rail disposed on the left and the right of the snowmobile and further includes a guide rail connecting member connecting the guide rails disposed on the left and the right of the snowmobile, and the second link member is rotatably connected to the guide rail connecting member. 3. The snowmobile according to claim 1, wherein the first link member includes a third connecting member and a fourth connecting member; the first connecting member is respectively connected to the second link member, the frontal connecting member, and the shock absorber; and the first connecting member is arranged at a position that is spaced apart from a line segment connecting the third connecting member and the fourth connecting member. 4. The snowmobile according to claim 1, wherein the second link member includes the first connecting member, the second connecting member and a third connecting member respectively connected to the shock absorber, the guide rail and the first link member; and the first connecting member connected to the shock absorber is arranged at a position that is spaced apart from a line segment connecting the second connecting member and the third connecting member. 5. The snowmobile according to claim 1, wherein the sum of a first line segment and a second line segment is larger than a third line segment; the first line segment extending from a third connecting member connecting the first link member and the second link member to a fourth connecting member connecting the frontal connecting member and the first link member, the second line segment extending from the second connecting member to the third connecting member, and the third line segment extending from the fourth connecting member to the second connecting member; and the third connecting member is positioned further to the front of the snowmobile than the third line segment. 6. The snowmobile according to claim 1, wherein a third connecting member connects the first link member and the second link member, the third connecting member is arranged such that the rate of movement of the third connecting member decreases continuously in a direction of a line extending from a longitudinal axis of the shock absorber when the shock absorber is continuously compressed. 7. The snowmobile according to claim 1, wherein a third connecting member connects the first link member and the second link member, and a fourth connecting member connects the frontal connecting member and the first link member; and a variation of an interior angle formed by the fourth connecting member, the third connecting member and the second connecting member decreases continuously when the shock absorber is continuously compressed. 8. The snowmobile according to claim 1, wherein the guide rail includes an upwardly curved portion at a front portion of the snowmobile and a buffer provided at the front portion of the snowmobile, and the frontal connecting member includes a rotation restricting member which restricts a rotation of the frontal connecting member by contacting the buffer. 9. The snowmobile according to claim 1, wherein either the first link member or the second link member or both the first link member and the second link member include(s) a plurality of connecting members connected to the shock absorber. 10. A snowmobile comprising: a vehicle frame; a track belt to which driving force is transferred from an engine mounted on the vehicle frame; a guide rail guiding the track belt; a frontal connecting member rotatably connected to the vehicle frame and the guide rail in a front end of the snowmobile; a rear connecting member rotatably connected to the vehicle frame and the guide rail in a rear end of the snowmobile; a first link member rotatably connected to the frontal connecting member; a second link member rotatably connected to the first link member and the guide rail; and a shock absorber connected to either the first link member or the second link member and the rear connecting member; wherein a first connecting member connecting the first link member and the second link member is positioned further to the front of the snowmobile than a first line segment connecting a second connecting member connecting the frontal connecting member and the first link member and a third connecting member connecting the guide rail and the second link member; the shock absorber is arranged such that a line extending from a longitudinal axis of the shock absorber intersects the first line segment; and a fourth connecting member connecting the shock absorber to either the first link member or the second link member is positioned above the third connecting member. 11. The snowmobile according to claim 10, wherein the guide rail includes a guide rail disposed on the left and the right of the snowmobile and further includes a guide rail connecting member connecting the guide rails disposed on the left and the right of the snowmobile, and the second link member is rotatably connected to the guide rail connecting member. 12. The snowmobile according to claim 10, wherein the first link member includes the first connecting member, the second connecting member, and the fourth connecting member respectively connected to the second link member, the frontal connecting member and the shock absorber; and the fourth connecting member is arranged at a position that is spaced apart from a second line segment connecting the first connecting member and the second connecting member. 13. The snowmobile according to claim 10, wherein the second link member includes the fourth connecting member, the third connecting member, and the first connecting member respectively connected to the shock absorber, the guide rail, and the first link member; and the fourth connecting member connected to the shock absorber is arranged at a position that is spaced apart from a third line segment connecting the third connecting member and the first connecting member. 14. The snowmobile according to claim 10, wherein the sum of a second line segment and a third line segment is larger than the first line segment; the second line segment extending from the first connecting member to the second connecting member, the third line segment extending from the third connecting member to the first connecting member, and the third line segment extending from the second connecting member to the third connecting member; and the first connecting member is positioned further to the front of the snowmobile than the first line segment. 15. The snowmobile according to claim 10, wherein the first connecting member is arranged such that the rate of movement of the first connecting member decreases continuously in a direction of a line extending from the axis of the shock absorber when the shock absorber is continuously compressed. 16. The snowmobile according to claim 10, wherein a variation of an interior angle formed by the second connecting member, the first connecting member, and the third connecting member decreases continuously when the shock absorber is continuously compressed. 17. The snowmobile according to claim 10, wherein the guide rail includes an upwardly curved portion at a front portion of the snowmobile and a buffer provided at the front portion of the snowmobile, and the frontal connecting member includes a rotation restricting member which restricts a rotation of the frontal connecting member by contacting the buffer. 18. The snowmobile according to claim 10, wherein either the first link member or the second link member or both the first link member and the second link member include(s) a plurality of connecting members connected to the shock absorber.
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이 특허에 인용된 특허 (4)
Furusawa Masao,JPX, Rear suspension for snowmobile.
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