Patents by Inventor Zheng-Yang Hu

Zheng-Yang Hu 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).

  • Manual tractor assembly for tracking wheel chair
    Patent number: 9056035
    Abstract: A tractor assembly includes a connection unit which is connected between the tractor and the wheel chair. The connection unit includes a fixing member, a top link unit, a bottom link unit and a swing rod so as to form a four-link mechanism. The connection unit includes an engaging unit with an engaging section, and a position unit. The top link unit has a reception hole and the positioning unit has a push rod. When the push rod is located at the first position, the reception hole is closed. When the push rod is located at the second position, the push rod is retracted and the reception hole is exposed. The bottom link unit is pivoted about one end of the swing rod to move the other end of the swing rod to the position of the reception hole, the engaging section is inserted into the reception hole.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: June 16, 2015
    Assignee: Cycling & Health Tech Industry R&D Center
    Inventors: Shun-Yuan Ju, Gang-Hua Lee, Zheng-Yang Hu
  • MANUAL TRACTOR ASSEMBLY FOR TRACKING WHEEL CHAIR
    Publication number: 20150069733
    Abstract: A tractor assembly includes a connection unit which is connected between the tractor and the wheel chair. The connection unit includes a fixing member, a top link unit, a bottom link unit and a swing rod so as to form a four-link mechanism. The connection unit includes an engaging unit with an engaging section, and a position unit. The top link unit has a reception hole and the positioning unit has a push rod. When the push rod is located at the first position, the reception hole is closed. When the push rod is located at the second position, the push rod is retracted and the reception hole is exposed. The bottom link unit is pivoted about one end of the swing rod to move the other end of the swing rod to the position of the reception hole, the engaging section is inserted into the reception hole.
    Type: Application
    Filed: September 12, 2013
    Publication date: March 12, 2015
    Applicant: Cycling & Health Tech Industry R&D Center
    Inventors: Shun-Yuan Ju, Gang-Hua Lee, Zheng-Yang Hu