Swing arm supporting structure for motorcycles

Motor vehicles – Special wheel base – Having only two wheels

Reexamination Certificate

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Reexamination Certificate

active

07665563

ABSTRACT:
To restrain an increase in the numbers of components and process steps and achieve an easy mounting and dismounting of a pivot shaft. An arm supporting member includes a pair of left and right plate members, a middle cross pipe extending between the plate members and a center pivot plate mounted to the middle cross pipe. A pivot shaft is supported by the plate member and the center pivot plate, and a drive shaft is arranged between the plate member and the center pivot plate. The middle cross pipe is arranged above the pivot shaft on a front portion of a vehicle. The center pivot plate is provided with an upright wall as a receiving portion for aiding the positioning of the bearing member by receiving the bearing member, more specifically, the collar when assembling the swing arm to the center pivot plate and the plate member.

REFERENCES:
patent: 6427796 (2002-08-01), Tsutsumikoshi
patent: 2002/0020985 (2002-02-01), Nakagawa
patent: 2002/0027034 (2002-03-01), Tsutsumikoshi
patent: 64-85888 (1989-03-01), None
patent: 2002-87364 (2002-03-01), None

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