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US 7,111,700 B2Granted
Coaxial steering and suspension for motorcycle
AssigneeMotoCzysz LLC
InventorMichael Czysz
Life of this patent
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Abstract
A motorcycle or bicycle front end having coaxial steering and suspension components, and having telescopic forks. Swing weight of the forks is dramatically reduced by removing their suspension components to the central location, coaxially within the steering tube. Ride height can be adjusted without loosening the forks in the triple clamps.
Claims4
A two-wheeled vehicle comprising:
- a frame including a steering tube defining a steering axis;
- a shock tube disposed substantially coaxially within the steering tube wherein the shock tube includes a passage therethrough substantially coaxial with the steering axis;
- an upper triple clamp and a lower triple clamp coupled to the shock tube;
- a pair of sliding-tube forks each having an upper fork tube coupled to the upper triple clamp and to the lower triple clamp, and a lower fork tube;
- a coil-over shock disposed within the shock tube;
- a front wheel rotatably coupled to the lower fork tubes;
- a pair of bearings rotatably coupling the shock tube to the steering tube;
- and
- a top bolt coupling the shock tube to the upper triple clamp and having a passage therethrough substantially coaxial with the steering axis;
- wherein the coil-over shock includes a setting adjustment mechanism which is accessible via the passages through the top bolt and the shock tube.
7 more elements
Dependencies are inferred from the claim text.