Double swing-arm motorcycle frame

Motor vehicles – Special wheel base – Having only two wheels

Patent

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Details

280275, 280284, 280281R, B62K 2526

Patent

active

047211792

ABSTRACT:
A motorcycle frame in which both the front and rear wheels are supported by respective pairs of swing arms pivotally supported by two side frames. Each side frame has a front and a rear bracket and a connecting structure extending upwardly and longitudinally over the engine. The connecting structure may be integral with both of the brackets or may be a pipe frame bolted to the brackets.

REFERENCES:
patent: 4082307 (1978-04-01), Tait
patent: 4189168 (1980-02-01), Courtney
patent: 4280582 (1981-07-01), Kouyama et al.
patent: 4526249 (1985-07-01), Parker

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