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Frame construction for motorcycles

  • US 4,660,854 A
  • Filed: 12/18/1985
  • Issued: 04/28/1987
  • Est. Priority Date: 12/18/1984
  • Status: Expired due to Term
First Claim
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1. In a frame construction for a vehicle having at least one front wheel dirigibly supported by said frame and at least one rear wheel carried by said frame, a head pipe providing a steering journal for said dirigible wheel, a pair of main tubes connected at their forward ends to said head pipe at the lower end thereof and extending rearwardly therefrom, and reinforcing means connected between said head pipe and said main tube for resisting twisting forces on the joint between said main tube and said head pipe, said reinforcing means comprising an upper brace comprising a first piece extending between said main tubes rearwardly of their connection to said head pipe and a second piece affixed to said first piece at its rearward end and to said head pipe at its forward end.

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