Patents by Inventor Akehide Tsuda

Akehide Tsuda 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).

  • Motorized apparatus for towing a wheelchair
    Patent number: 7216728
    Abstract: A motorized apparatus for towing a wheelchair includes a framework, a handle assembly, a motor driving assembly and a wheelchair connecting assembly. The framework includes a chassis. The handle assembly is adjustably mounted on the chassis. The motor driving assembly is mounted on the chassis and includes a wheel assembly with a single wheel rotatably mounted on the chassis, a combined clutch and brake assembly connected to the wheel assembly, a motor assembly connected to the combined clutch and brake assembly to drive the single wheel assembly through the combined clutch and brake assembly and a one-hand operated battery assembly coupled electrically to the motor assembly to drive the control unit and the motor assembly. The wheelchair connecting assembly interconnects the framework to a wheelchair. Consequently, the motorized apparatus will tow the wheelchair along a path, road and so on.
    Type: Grant
    Filed: July 2, 2004
    Date of Patent: May 15, 2007
    Inventors: Chao-Kuo Huang, Chih-Neng Lin, Hiroyoshi Konno, Katuyosi Ochiai, Akehide Tsuda, Shu-Huei Wang
  • Motorized apparatus for towing a wheelchair
    Publication number: 20060000664
    Abstract: A motorized apparatus for towing a wheelchair includes a framework, a handle assembly, a motor driving assembly and a wheelchair connecting assembly. The framework includes a chassis. The handle assembly is adjustably mounted on the chassis. The motor driving assembly is mounted on the chassis and includes a wheel assembly with a single wheel rotatably mounted on the chassis, a combined clutch and brake assembly connected to the wheel assembly, a motor assembly connected to the combined clutch and brake assembly to drive the single wheel assembly through the combined clutch and brake assembly and a one-hand operated battery assembly coupled electrically to the motor assembly to drive the control unit and the motor assembly. The wheelchair connecting assembly interconnects the framework to a wheelchair. Consequently, the motorized apparatus will tow the wheelchair along a path, road and so on.
    Type: Application
    Filed: July 2, 2004
    Publication date: January 5, 2006
    Inventors: Chao-Kuo Huang, Chih-Neng Lin, Hiroyoshi Konno, Katuyosi Ochiai, Akehide Tsuda, Shu-Huei Wang