Patents by Inventor Adolph A. Rabe

Adolph A. Rabe has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4140341
    Abstract: A frame for a collapsible wheel chair which permits custom tailoring of the chair to the size of the invalid with only minor modifications. The frame includes telescoping front posts which support horizontally extending arms to which a flexible seat is secured. A pair of cross struts are provided which are rotatably secured to the horizontally extending arms and to the bottom struts of the frame. When the chair is collapsed by bringing the two sides of the chair frame together, the telescoping post permits the horizontal arms to raise a distance determined by the length of the cross struts. Thus, during manufacture, the only parts that need be custom made to accommodate differing sized invalids is the length of the cross struts.
    Type: Grant
    Filed: October 3, 1977
    Date of Patent: February 20, 1979
    Assignee: Theradyne Corporation
    Inventor: Adolph A. Rabe