Motor vehicles – Special wheel base – Having only two wheels
Patent
1994-10-19
1996-01-02
Hill, Mitchell J.
Motor vehicles
Special wheel base
Having only two wheels
180219, 180311, B62K 1102, B62K 2520
Patent
active
054800013
ABSTRACT:
A swing arm in supported with a simple structure by reducing the number of parts and the length of welding. Handling of the swing arm is made easier in a frame structure for a motorcycle or the like wherein the swing arm is pivotably supported at its front end to a rear portion of a body frame. A single main pipe is a component of a body frame composed of a rearwardly extending portion 16a located over an engine and extending rearwardly from a head pipe. A bent portion extends from a rear end of the rearwardly extending portion. A downwardly extending portion extends downwardly from the bent portion. A pair of cross pipes extend laterally and are vertically spaced from each other and are connected at their intermediate portions to the downwardly extending portion. A pair of supporting plates is located on the left and right sides of the downwardly extending portion and are connected to both ends of each of the cross pipes. A swing arm is pivotably supported at its front end to a pivot shaft located between the cross pipes and extends between the supporting plates.
REFERENCES:
patent: 4484652 (1984-11-01), Shiratsuchi et al.
patent: 4556119 (1985-12-01), Shiratsuchi
patent: 4781264 (1988-11-01), Matsuzaki et al.
Hill Mitchell J.
Honda Giken Kogyo Kabushiki Kaisha
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