1. A rear wheel suspension system for a motorcycle comprising: a swing arm having a pivot axis at a forward end and a wheel axis at a rear end; a wheel axle slidingly mounted in a direction of travel substantially parallel to the motorcycle fork; and a pair of springs mounted within the swing arm biasing the wheel axle in forward neutral position and pulling the wheel axle to forward neutral position when the wheel is forced backward.
2. The rear wheel suspension system of claim 1, wherein the pivot axis is formed as pair of tubular coaxial spaced apart members joined to the swing arm.
3. The rear wheel suspension system of claim 1, further comprising a power sprocket and brake rotor assembly mounted on the wheel axle.
4. The rear wheel suspension system of claim 3, wherein the swing arm has a pair of conforming recesses providing a low clearance between the swing arm and power sprocket and providing a low clearance between the swing arm brake rotor assembly.
5. The rear wheel suspension system of claim 1, further comprising a pair of elongated rods slidingly within the swing arm on a left and right side of the swing arm engaging the pair of springs and a pair of cushioning dampers.
6. The rear wheel suspension system of claim 5, wherein the pair of cushioning dampers is located between the pair of springs and a retention member.
7. The rear wheel suspension system of claim 5, further comprising a bulge section in the pair of elongated rods wherein each bulge section retains a top portion of each spring and does not allow relative movement between bulge section and each spring.
8. A rear wheel suspension system for a motorcycle comprising: a swing arm having a pivot axis at a forward end and a wheel axis at a rear end; a wheel axle slidingly mounted in a direction of travel substantially parallel to the motorcycle fork; and a pair of springs mounted within the swing arm biasing the wheel axle in forward neutral position and pulling the wheel axle to forward tensioned position when the wheel is forced backward.
9. The rear wheel suspension system of claim 8, wherein the pivot axis is formed as pair of tubular coaxial spaced apart members joined to the swing arm.
10. The rear wheel suspension system of claim 8, further comprising a power sprocket and brake rotor assembly mounted on the wheel axle.
11. The rear wheel suspension system of claim 10, wherein the swing arm has a pair of conforming recesses providing a low clearance between the swing arm and power sprocket and providing a low clearance between the swing arm brake rotor assembly.
12. The rear wheel suspension system of claim 8, further comprising a pair of elongated rods slidingly within the swing arm on a left and right side of the swing arm engaging the pair of springs and a pair of cushioning dampers.
13. The rear wheel suspension system of claim 12, wherein the pair of cushioning dampers is located between the pair of springs and a retention member.
14. The rear wheel suspension system of claim 12, further comprising a bulge section in the pair of elongated rods wherein each bulge section retains a top portion of each spring and does not allow relative movement between bulge section and each spring.
15. A rear wheel suspension system for a motorcycle comprising: a swing arm having a pivot axis at a forward end formed as pair of tubular coaxial spaced apart members joined to the swing arm and a wheel axis at a rear end; a wheel axle slidingly mounted in a direction of travel substantially parallel to the motorcycle fork; and a pair of springs mounted within the swing arm biasing the wheel axle in forward neutral position and pulling the wheel axle to forward tensioned position when the wheel is forced backward.
16. The rear wheel suspension system of claim 15, further comprising a power sprocket and brake rotor assembly mounted on the wheel axle.
17. The rear wheel suspension system of claim 15, wherein the swing arm has a pair of conforming recesses providing a low clearance between the swing arm and power sprocket and providing a low clearance between the swing arm brake rotor assembly.
18. The rear wheel suspension system of claim 17, further comprising a pair of elongated rods slidingly within the swing arm on a left and right side of the swing arm engaging the pair of springs and a pair of cushioning dampers.
19. The rear wheel suspension system of claim 18, wherein the pair of cushioning dampers is located between the pair of springs and a retention member.
20. The rear wheel suspension system of claim 18, further comprising a bulge section in the pair of elongated rods wherein each bulge section retains a top portion of each spring and does not allow relative movement between bulge section and each spring.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method of manufacturing a motor vehicle, comprising:
providing a central front wall and a lateral sill structure;
providing a pair of opposing lateral front walls, each having a baseplate and a marginal strip, wherein the baseplate extends between a first contact point with the central front wall and a second contact point of the marginal strip and the lateral sill structure, the first contact point being fixed at a first transverse vehicle position and the second contact point being fixed at a second vehicle transverse position to define a vehicle width, and wherein the vehicle width defined by the second contact point of the marginal strip depends on a model of motor vehicle to be manufactured; and
fastening the pair of opposing lateral front walls to the central front wall and lateral sill structure, in order to obtain the motor vehicle.
2. The method according to claim 1, further comprising perpendicularly arranging the baseplates of each of the pair of opposing lateral front walls on a vehicle transverse direction.
3. The method according to claim 2, wherein the first contact point of the pair of opposing lateral front walls is located in a central region of the baseplate.
4. The method according to claim 2, wherein the marginal strip is a lower marginal strip.
5. The method according to claim 2, further comprising:
forming the second contact point with a lower marginal strip at the baseplate via an offset zone to define the vehicle width depending on the model of motor vehicle to be manufactured.
6. The method according to claim 2, further comprising providing a third contact point on a front margin of the baseplate for fastening a wheel installation housing.
7. The method according to claim 6, wherein the front margin has an angled flange.
8. The method according to claim 6, wherein the third contact point extends arc-like along a wall of the wheel installation housing.
9. The method according to claim 2, further comprising fastening the baseplate in a side wall structure to a rear marginal strip on the pair of lateral front walls that is laterally offset against the baseplate.
10. The method according to claim 9, wherein a lower marginal strip and the rear marginal strip are laterally offset in a substantially similar direction.
11. The method according to claim 10, wherein the side wall structure is at least a part of a wheel installation strut.
12. The method according to claim 10, wherein the side wall structure is at least a part of a hinge pillar.