Patents by Inventor Ruei-Hong Huang

Ruei-Hong Huang 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).

  • Wheelchair suspension
    Patent number: 7370876
    Abstract: A side frame assembly for a wheelchair suspension includes a mainframe, and a front caster frame connected pivotally to both a front end of the mainframe and a front caster. A return spring is disposed between the front caster frame and the mainframe so as to bias the front caster to a predetermined position. A drive wheel assembly includes a drive wheel frame, a drive wheel disposed pivotally on the drive wheel frame, and a driving unit operable to rotate the drive wheel. A linkage is connected pivotally to the mainframe, the front caster frame and the drive wheel frame. A rear caster assembly includes a rear caster frame attached to a rear end of the mainframe, and a rear caster disposed pivotally on the rear caster frame.
    Type: Grant
    Filed: September 23, 2005
    Date of Patent: May 13, 2008
    Assignee: Kwang Yang Motor Co., Ltd.
    Inventors: Cheng-Ho Hsu, Ruei-Hong Huang, Yuch-Ying Lee, Tsung-His Shih
  • Wheelchair suspension
    Publication number: 20060201723
    Abstract: A side frame assembly for a wheelchair suspension includes a mainframe, and a front caster frame connected pivotally to both a front end of the mainframe and a front caster. A return spring is disposed between the front caster frame and the mainframe so as to bias the front caster to a predetermined position. A drive wheel assembly includes a drive wheel frame, a drive wheel disposed pivotally on the drive wheel frame, and a driving unit operable to rotate the drive wheel. A linkage is connected pivotally to the mainframe, the front caster frame and the drive wheel frame. A rear caster assembly includes a rear caster frame attached to a rear end of the mainframe, and a rear caster disposed pivotally on the rear caster frame.
    Type: Application
    Filed: September 23, 2005
    Publication date: September 14, 2006
    Inventors: Cheng-Ho Hsu, Ruei-Hong Huang, Yuch-Ying Lee, Tsung-Hsi Shih