Vertically Adjustable Wheels Patents (Class 280/43)
  • Patent number: 3999778
    Abstract: A walker for use with a wheel chair is disclosed. The walker has a generally U-shaped frame with a column swingably attached to the intermediate part of the U-shaped frame. A caster wheel is attached to the distal end of the column and a tube is swingably attached to the distal ends of the U-shaped frame. A pair of brackets are provided by attaching the front side of the wheel chair to the brackets. Each of the brackets has a telescoping pin. Clamps are provided on the tubular brackets which can be attached to the wheel chair and which receive the telescoping pins attached to the U-shaped frame.
    Type: Grant
    Filed: November 1, 1974
    Date of Patent: December 28, 1976
    Inventor: Henry Markiel