A steering apparatus for a two-wheeled motor vehicle includes a handlebars-side steering shaft supported by a head pipe, a wheel supporting cylindrical shaft supported by a front axle and over which a hub is fitted, and a steering link mechanism. First and second link members of the link mechanism a
A steering apparatus for a two-wheeled motor vehicle includes a handlebars-side steering shaft supported by a head pipe, a wheel supporting cylindrical shaft supported by a front axle and over which a hub is fitted, and a steering link mechanism. First and second link members of the link mechanism are connected to each other in a plurality of articulations such that the link members can angularly move. An amount of angular movement is limited to a predetermined range, and a distance between a front wheel-side end and the steering shaft-side end of the steering link mechanism can be changed. The front wheel-side end of the steering link mechanism is connected to the wheel supporting cylindrical shaft through a brake caliper bracket member.
대표청구항▼
1. A steering apparatus for a vehicle comprising: a handlebar;an axle supporting arm vertically swingably supported by a vehicle body, the axle supporting arm extending forward from the vehicle body;a front axle fixed to a front end of the axle supporting arm;a wheel supporting cylindrical shaft lat
1. A steering apparatus for a vehicle comprising: a handlebar;an axle supporting arm vertically swingably supported by a vehicle body, the axle supporting arm extending forward from the vehicle body;a front axle fixed to a front end of the axle supporting arm;a wheel supporting cylindrical shaft laterally swingably supported by the front axle;a hub of a front wheel rotatably fitted on an outer periphery of the wheel supporting cylindrical shaft;a bracket member independent from the axle supporting arm, the bracket member extending radially outward of the front wheel from the wheel supporting cylindrical shaft;a steering shaft which is laterally turnably supported by a head pipe of a vehicle body frame; anda link mechanism which connects the steering shaft and the bracket member to each other such that a steering force can be transmitted from the handlebar to the front wheel, whereinthe link mechanism includes a plurality of link members, the link members are connected to each other in a plurality of articulations such that the link members can angularly move around an angularly moving shaft which is parallel to a centerline of the wheel supporting cylindrical shaft, andthe bracket member includes a portion which supports a brake caliper. 2. The steering apparatus for the vehicle according to claim 1, wherein: the bracket member extends upward from the wheel supporting cylindrical shaft, andthe link mechanism is disposed between the front wheel and the steering shaft in a vertical direction. 3. The steering apparatus for the vehicle according to claim 1, wherein: the bracket member is a first bracket member, and the steering apparatus further comprises a second bracket member,the first bracket member is provided on a left side of the wheel supporting cylindrical shaft,the second bracket member is provided on a right side of the wheel supporting cylindrical shaft, andthe link mechanism is connected to the first bracket member and the second bracket member. 4. The steering apparatus for the vehicle according to claim 1, wherein the plurality of link members includes a first link member and second link members,the first link member has a lateral width crossing a plane which includes a centerline of the steering shaft, andthe second link members are a pair of respective left and right bifurcated-shaped spaced-apart second link members which connect the first link member and a fixing member fixed to the bracket member. 5. The steering apparatus for the vehicle according to claim 3, wherein the plurality of articulations which connects the link members to each other are located rearward of the centerline of the wheel supporting cylindrical shaft. 6. A steering apparatus for a vehicle comprising: handlebars;an axle supporting arm vertically swingably supported by a vehicle body, the axle supporting arm extending forward from the vehicle body;a front axle fixed to a front end of the axle supporting arm;a wheel supporting cylindrical shaft laterally swingably supported by the front axle;a hub of a front wheel rotatably fitted on an outer periphery of the wheel supporting cylindrical shaft;a bracket member independent from the axle supporting arm, the bracket member extending radially outward of the front wheel from the wheel supporting cylindrical shaft;a steering shaft which is laterally turnably supported by a head pipe of a vehicle body frame; anda link mechanism which connects the steering shaft and the bracket member to each other such that a steering force can be transmitted from the handlebars to the front wheel, whereinthe link mechanism includes a plurality of link members, the link members are connected to each other in a plurality of articulations such that the link members can angularly move around an angularly moving shaft which is parallel to a centerline of the wheel supporting cylindrical shaft,a suspension mechanism is connected to the axle supporting arm, anda damper member of the suspension mechanism extends in a vehicle-width direction, and the damper member is disposed above a rear end of the axle supporting arm and rearward of an upper end of the link mechanism. 7. A steering apparatus for a vehicle comprising: a handlebar;an axle supporting arm vertically swingably supported by a vehicle body, the axle supporting arm extending forward from the vehicle body;a front axle fixed to a front end of the axle supporting arm;a wheel supporting cylindrical shaft laterally swingably supported by the front axle;a hub of a front wheel rotatably fitted on an outer periphery of the wheel supporting cylindrical shaft;a bracket member independent from the axle supporting arm, the bracket member extending radially outward of the front wheel from the wheel supporting cylindrical shaft;a steering shaft which is laterally turnably supported by a head pipe of a vehicle body frame; anda link mechanism which connects the steering shaft and the bracket member to each other such that a steering force can be transmitted from the handlebar to the front wheel, whereinthe link mechanism includes a plurality of link members, the link members are connected to each other in a plurality of articulations such that the link members can angularly move around an angularly moving shaft which is parallel to a centerline of the wheel supporting cylindrical shaft, andthe link members include a first link member, a right second link member and a left second link member, a first end of the right second link member is connected to the first link member through a ball joint, a first end of the left second member is connected to the first link member through a ball joint, a second end of the right second link member is connected to the bracket member through a ball joint and a fixing member, and a second end of the left second member is connected to the bracket member through a ball joint and the fixing member. 8. The steering apparatus for the vehicle according to claim 7, wherein a front fender is fixed to the bracket member through the fixing member. 9. The steering apparatus for the vehicle according to claim 8, wherein the second end of the right second link member and the second end of the left second link member are supported by a connecting shaft, and a width of the connecting shaft is less than a width of the front fender in a vehicle-width direction. 10. The steering apparatus for the vehicle according to claim 7, wherein a length of the right second link member and a length of the left second link member are individually adjustable. 11. The steering apparatus for the vehicle according to claim 7, wherein a centerline of the front axle and a centerline of the wheel supporting cylindrical shaft intersect one another.
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이 특허에 인용된 특허 (26)
Krispler Walter (Adnet ATX) Widl Reinhold (Adnet ATX), Chassis for a motorcycle.
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