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Human-powered tricycle system

  • US 8,016,302 B1
  • Filed: 07/20/2010
  • Issued: 09/13/2011
  • Est. Priority Date: 07/20/2010
  • Status: Expired due to Fees
First Claim
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1. A tricycle system comprising:

  • a frame having rear and upper and front frame components, a rear wheel and two laterally spaced spindles with wheels supported by the front frame component;

    a steering assembly including a steering shaft having an upper end and a lower end and a central extent rotatably supported in the front frame component, a handle bar coupled to the upper end of the steering shaft, horizontal steering rods pivotally coupled to the lower end of the steering shaft to the steering rods for steering purposes; and

    a suspension assembly including an upper wishbone subassembly and a lower wishbone subassembly, each wishbone subassembly having front and rear wishbone arms, and two outboard carriers adapted to function as parallelograms while riding; and

    cushioning assemblies including springs coupled to the upper frame and the lower wishbone arms for independently articulated functioning to smooth a ride while turning, the springs including two coil springs, one for each side, each spring functioning independently of the other spring, each coil spring having an upper end and a lower end, upper support plates coupled to the upper frame and pivotally receiving the upper ends of the coil springs, two lower support shafts coupled to the lower wishbone arms and pivotally receiving the lower ends of the coil springs, the cushioning assemblies functioning to smooth the ride while turning.

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