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Frame for two-wheeled vehicle

  • US 4,327,930 A
  • Filed: 03/11/1980
  • Issued: 05/04/1982
  • Est. Priority Date: 03/19/1979
  • Status: Expired due to Term
First Claim
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1. In a two-wheeled vehicle including a main frame, a rear arm which is generally triangular in side elevation, said rear arm having a front end pivotally connected to said main frame, and a suspension mounted between the top of said rear arm and said main frame, said main frame comprising a pair of horizontally opposed metal plate members joined together at their forward portions and diverging from one another from a mid-portion to their rear portions, whereby to form a bifurcated portion;

  • and a generally V-shaped inner plate bent aroung generally upright axes covering the insides of said metal plate members where they diverge, said metal plate members being continuously welded to one another in said formed portion, and to said inner plate where they diverge from one another, whereby said inner plate reinforces said frame where the metal plate members diverge, and forms, therewithin a chamber in which said suspension is mounted.

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