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Obstacle traversing wheelchair

  • US 9,987,177 B2
  • Filed: 10/05/2015
  • Issued: 06/05/2018
  • Est. Priority Date: 10/27/2000
  • Status: Expired due to Fees
First Claim
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1. A wheelchair suspension comprising:

  • a frame;

    a pivoting assembly having at least one front caster pivot arm pivotally coupled to the frame, wherein the front caster pivot arm has a first portion and a second portion;

    at least one front caster attached to the second portion of the front caster pivot arm;

    a rear caster coupled to the frame; and

    a drive assembly having a motor mount and at least one drive wheel in contact with a supporting surface, wherein the motor mount is pivotally connected directly to the at least one front caster pivot arm.

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