Patents by Inventor Yen-Pin Kuo

Yen-Pin Kuo 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).

  • Rear wheel steering hand cart with integrated brake system
    Patent number: 8376374
    Abstract: A rear wheel steering hand cart with an integrated brake system includes a main body (10), a push handle (20), a wheel unit (30) and a wheel seat (50) which includes an upper wheel seat (53), a lower wheel seat (51) and a rotary shaft (52); a wheel stop device (40) is disposed between a real wheel (32) and the wheel seat (50); a clutch device (60) is arranged between the upper wheel seat (53) and the lower wheel seat (51), a control rod (71) of the clutch device (60) is connected to the wheel stop device (40), and the clutch device (60) includes the first clutch element (61) and the second clutch element (63).
    Type: Grant
    Filed: December 18, 2007
    Date of Patent: February 19, 2013
    Assignee: Tin How Electronics Co., Ltd.
    Inventors: Zhiqun Zhong, Yen-Pin Kuo, Chutang Chang
  • Rear Wheel Steering Hand Cart With Integrated Brake System
    Publication number: 20100259022
    Abstract: A rear wheel steering hand cart with an integrated brake system includes a main body (10), a push handle (20), a wheel unit (30) and a wheel seat (50) which includes an upper wheel seat (53), a lower wheel seat (51) and a rotary shaft (52); a wheel stop device (40) is disposed between a real wheel (32) and the wheel seat (50); a clutch device (60) is arranged between the upper wheel seat (53) and the lower wheel seat (51), a control rod (71) of the clutch device (60) is connected to the wheel stop device (40), and the clutch device (60) includes the first clutch element (61) and the second clutch element (63).
    Type: Application
    Filed: December 18, 2007
    Publication date: October 14, 2010
    Inventors: Zhiqun Zhong, Yen-Pin Kuo, Chutang Chang