Suspension for wheeled vehicles

  • US 10,512,572 B2
  • Filed: 03/26/2018
  • Issued: 12/24/2019
  • Est. Priority Date: 10/25/2002
  • Status: Active Grant
First Claim
Patent Images

1. A wheelchair suspension comprising:

  • a frame;

    a front caster assembly pivotally connected to the frame, the front caster pivot assembly comprising a front caster pivot arm and a front caster;

    a rear caster assembly pivotally connected to the frame, the rear caster assembly comprising a rear caster arm and a rear caster; and

    a link coupled to the front caster assembly and extending rearward from the front caster assembly toward the rear caster assembly;

    wherein downward movement of the rear caster causes the link to lock thereby causing the front caster assembly to lock in a position relative to the frame.

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