A suspension system suitable for a small-sized vehicle such as an all terrain vehicle. A strut damper is arranged wherein a downwardly extending line of an axis of the strut damper is located in front of a drive shaft extending to the depth of a drawing from the rotational center of a front wheel. A
A suspension system suitable for a small-sized vehicle such as an all terrain vehicle. A strut damper is arranged wherein a downwardly extending line of an axis of the strut damper is located in front of a drive shaft extending to the depth of a drawing from the rotational center of a front wheel. As interference between the strut damper and the drive shaft is not a concern, a mounting position of the strut damper can be fully lowered. In addition, the length of the axis of the strut damper can be fully secured. Therefore, the height of the vehicle can be lowered. In addition, the design of a vehicle body is facilitated.
대표청구항▼
1. A suspension system for use with a vehicle having a body frame, a power generation engine attached to the body frame for generating power, a transmission system for transmitting output generated by the power generation engine, a drive shaft extending in a direction of a width of the vehicle for t
1. A suspension system for use with a vehicle having a body frame, a power generation engine attached to the body frame for generating power, a transmission system for transmitting output generated by the power generation engine, a drive shaft extending in a direction of a width of the vehicle for transmitting power transmitted by the transmission system to a wheel, comprising: an upper end of a strut damper being coupled to the body frame and extending downwardly;a knuckle supporting member extending downwardly from a lower part of the strut damper;a lower arm extending in the direction of the width of the vehicle for coupling a lower part of the knuckle supporting member to the body frame;a knuckle rotatably attached to the knuckle supporting member around a king pin axis for supporting the wheel; anda tie rod extending in the width direction of the vehicle for rotating the knuckle around the king pin axis;wherein the strut damper is arranged in a location wherein a downwardly extending line of an axis of the strut damper is located in front of or at the back of the drive shaft in a side view of the vehicle,wherein the lower part of the strut damper is connected in a non-movable manner to an upper part of the knuckle supporting member with a pair of bolts. 2. The suspension system for use with the vehicle according to claim 1, wherein the knuckle supporting member is configured by an upper part supporting part for supporting an upper part of the knuckle, a lower part supporting part for supporting a lower part of the knuckle and a bridge part for connecting the upper part supporting part and the lower part supporting part; and the bridge part extends in parallel with the axis of the strut damper. 3. The suspension system for use with the vehicle according to claim 2, wherein the bridge part is arranged outside the axis of the strut damper in the direction of vehicle width; the upper part supporting part and the lower part supporting part extend in a longitudinal direction of the vehicle from the bridge part; and the knuckle supporting member is a C-shaped member in a left side view of the vehicle, and a backwards C-shaped member in a right side view of the vehicle. 4. The suspension system for use with the vehicle according to claim 3, wherein a caliper supporting part for supporting a brake caliper for braking the wheel is formed in the knuckle; the caliper supporting part is provided at the back of the drive shaft when the downwardly extending line of the axis of the strut damper is located in front of the drive shaft in the side view of the vehicle; and the caliper supporting part is provided in front of the drive shaft when the downwardly extending line is located at the back of the drive shaft. 5. The suspension system for use with the vehicle according to claim 3, wherein the drive shaft is a constant-velocity ball joint provided with a boot at an end on a side of the wheel and at an end on a central side of the vehicle body; and the boot on the side of the wheel is arranged in a position overlapped with the bridge part in a front view of the vehicle. 6. The suspension system for use with the vehicle according to claim 2, wherein a tie rod supporting part formed in the knuckle to couple to the tie rod is provided at the back of the drive shaft when the downwardly extending line of the axis of the strut damper is located in front of the drive shaft in the side view of the vehicle; and the tie rod supporting part is provided in front of the drive shaft when the downwardly extending line is located at the back of the drive shaft. 7. The suspension system for use with the vehicle according to claim 2, wherein a caliper supporting part for supporting a brake caliper for braking the wheel is formed in the knuckle; the caliper supporting part is provided at the back of the drive shaft when the downwardly extending line of the axis of the strut damper is located in front of the drive shaft in the side view of the vehicle; and the caliper supporting part is provided in front of the drive shaft when the downwardly extending line is located at the back of the drive shaft. 8. The suspension system for use with the vehicle according to claim 2, wherein a steering angle stopper that limits a turning angle of the wheel is provided between the knuckle supporting member and the knuckle. 9. The suspension system for use with the vehicle according to claim 2, wherein the drive shaft is a constant-velocity ball joint provided with a boot at an end on a side of the wheel and at an end on a central side of the vehicle body; and the boot on the side of the wheel is arranged in a position overlapped with the bridge part in a front view of the vehicle. 10. The suspension system for use with the vehicle according to claim 1, wherein a tie rod supporting part formed in the knuckle to couple to the tie rod is provided at the back of the drive shaft when the downwardly extending line of the axis of the strut damper is located in front of the drive shaft in the side view of the vehicle; and the tie rod supporting part is provided in front of the drive shaft when the downwardly extending line is located at the back of the drive shaft. 11. The suspension system for use with the vehicle according to claim 10, wherein the drive shaft is a constant-velocity ball joint provided with a boot at an end on a side of the wheel and at an end on a central side of the vehicle body; and the boot on the side of the wheel is arranged in a position overlapped with a bridge part in a front view of the vehicle. 12. The suspension system for use with the vehicle according to claim 1, wherein a caliper supporting part for supporting a brake caliper for braking the wheel is formed in the knuckle; the caliper supporting part is provided at the back of the drive shaft when the downwardly extending line of the axis of the strut damper is located in front of the drive shaft in the side view of the vehicle; and the caliper supporting part is provided in front of the drive shaft when the downwardly extending line is located at the back of the drive shaft. 13. The suspension system for use with the vehicle according to claim 12, wherein a steering angle stopper that limits a turning angle of the wheel is provided between the knuckle supporting member and the knuckle. 14. The suspension system for use with the vehicle according to claim 1, wherein a steering angle stopper that limits a turning angle of the wheel is provided between the knuckle supporting member and the knuckle. 15. The suspension system for use with the vehicle according to claim 1, wherein the knuckle includes an upper part pivotably mounted against a lower face of an upper part supporting part of the knuckle support member, and a lower part of pivotably mounted against a lower face of a lower supporting part of the knuckle support member, and wherein the knuckle support member includes a bridge part for connecting the upper part supporting part and the lower part supporting part,wherein the bridge part extends in parallel with the axis of the strut damper. 16. The suspension system for use with the vehicle according to claim 15, wherein the tie rod is connected to a tie rod supporting part formed in the knuckle, the tie rod supporting part extending rearwardly from the upper part of the knuckle so that the tie rod is connected to the tie rod supporting part at a position above and rearward of the drive shaft. 17. The suspension system for use with the vehicle according to claim 16, wherein a caliper supporting part for supporting a brake caliper for braking the wheel is formed in a portion of the knuckle below the tie rod supporting part. 18. The suspension system for use with the vehicle according to claim 1, wherein a lower end of the strut damper extends to a position overlapped with a swinging area of the drive shaft in a front view of the vehicle. 19. A suspension system for use with a vehicle having a body frame, a power generation engine attached to the body frame for generating power, a transmission system for transmitting output generated by the power generation engine, a drive shaft extending in a direction of a width of the vehicle for transmitting power transmitted by the transmission system to a wheel, comprising: an upper end of a strut damper being coupled to the body frame and extending downwardly;a knuckle supporting member extending downwardly from a lower part of the strut damper;a lower arm extending in the direction of the width of the vehicle for coupling a lower part of the knuckle supporting member to the body frame;a knuckle rotatably attached to the knuckle supporting member around a king pin axis for supporting the wheel; anda tie rod extending in the width direction of the vehicle for rotating the knuckle around the king pin axis;wherein the strut damper is arranged in a location wherein a downwardly extending line of an axis of the strut damper is located in front of the drive shaft in a side view of the vehicle, anda tie rod supporting part of the knuckle can be seen to extend rearwardly from an upper part of the knuckle in a position adjacent where the upper part of the knuckle is pivotably supported by the knuckle supporting member,wherein the knuckle includes an upper part pivotably mounted against a lower face of an upper part supporting part of the knuckle support member, and a lower part of pivotably mounted against a lower face of an lower supporting part of the knuckle support member, andwherein the knuckle support member includes a bridge part for connecting the upper part supporting part and the lower part supporting part,wherein the bridge part extends in parallel with the axis of the strut damper.
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이 특허에 인용된 특허 (24)
Graft Ronald W. (Fort Wayne IN), Adjustable steering stop apparatus.
Hewko Lubomyr O. (Clarkston MI) Patel Balkrishna R. (Troy MI) Bartos Andrew L. (Clarkston MI), Independently suspended steerable motor wheel apparatus.
Westfall Rodney D. (1920 Fairview Ave. Fruitland ID 83619) Davis Kevin C. (615 N. 6th St. Payette ID 83661), Spindle assembly for extending the turning angle of a motor vehicle and reducing tire wear.
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