Patents by Inventor Chong-Yong Liu

Chong-Yong Liu 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).

  • Publication number: 20040231532
    Abstract: A golf ball drawing tool, comprising by an annular base and a semicircle cap, is an easy equip to be revolved open and close depends on the usage, it is more accurate and easier to line the central line of the surface of the golf ball and to draw special symbols on the surface of the golf ball.
    Type: Application
    Filed: December 9, 2002
    Publication date: November 25, 2004
    Inventor: Chong-Yong Liu
  • Publication number: 20040108668
    Abstract: A connecting structure of a golf cart, and more particularly to a connecting structure to set a golf bag with crutches on a golf cart, comprising by an upper support, a connecting tube, and a lower support, when move the golf cart, prevent the golf cart rocking and damaging the golf tools from the rise and fall of the field, provide the firmness and convenience to prevent the user from increasing the harassment, affect the mood, to exert the golf technique level.
    Type: Application
    Filed: December 9, 2002
    Publication date: June 10, 2004
    Inventor: Chong-Yong Liu
  • Patent number: 6726226
    Abstract: A wheel stop device of a golf cart includes a fixing seat, a connecting rod, a spring, a fixing ring, and a drive member. The fixing seat includes a main body, an outer jacket, and two opposite lugs. The connecting rod has a shank having a first end formed with a stop end and a second end formed with a screw portion. The drive member includes a press portion and a drive portion. The press portion has a front end face formed with an end face and an oblique end face and has a sidle protruded with two spaced opposite oblong ears and a clamping recess formed between the two spaced opposite oblong ears.
    Type: Grant
    Filed: March 21, 2002
    Date of Patent: April 27, 2004
    Inventor: Chong-Yong Liu
  • Patent number: 6641228
    Abstract: A detachable front wheel structure of a golf cart includes a main frame having a lower portion provided with a front wheel frame, and a quick release device mounted between the main frame and the front wheel frame. The quick release device includes a connecting rod, a mounting member, a spring, a push button, a rectangular sleeve, and an outer mounting seat. Thus, the front wheel frame may be mounted on and detached from the main frame easily and rapidly by action of the quick release device.
    Type: Grant
    Filed: January 25, 2002
    Date of Patent: November 4, 2003
    Inventor: Chong-Yong Liu
  • Publication number: 20030178815
    Abstract: A wheel stop device of a golf cart includes a fixing seat, a connecting rod, a spring, a fixing ring, and a drive member. The fixing seat includes a main body, an outer jacket, and two opposite lugs. The connecting rod has a shank having a first end formed with a stop end and a second end formed with a screw portion. The drive member includes a press portion and a drive portion. The press portion has a front end face formed with an end face and an oblique end face and has a sidle protruded with two spaced opposite oblong ears and a clamping recess formed between the two spaced opposite oblong ears.
    Type: Application
    Filed: March 21, 2002
    Publication date: September 25, 2003
    Inventor: Chong-Yong Liu
  • Publication number: 20030141756
    Abstract: A detachable front wheel structure of a golf cart includes a main frame having a lower portion provided with a front wheel frame, and a quick release device mounted between the main frame and the front wheel frame. The quick release device includes a connecting rod, a mounting member, a spring, a push button, a rectangular sleeve, and an outer mounting seat. Thus, the front wheel frame may be mounted on and detached from the main frame easily and rapidly by action of the quick release device.
    Type: Application
    Filed: January 25, 2002
    Publication date: July 31, 2003
    Inventor: Chong-Yong Liu
  • Publication number: 20030066716
    Abstract: A wheel brake of a golf cart has a pedal plate, a positioning seat, a movable seat, a spring, a ring, an elastic bar, a bolt, a nut, and a base seat. The positioning seat engages with the movable seat. The positioning seat and the movable seat are disposed on the base seat. A pair of parallel triangular plates are disposed on the pedal plate. Each of the parallel triangular plates has a round aperture and an oblong aperture. The pedal plate is disposed on the positioning seat. The movable seat is inserted between the parallel triangular plates. The positioning seat has a pair of posts, a protruded block, a round hole, and a recess. The movable seat has a click block, an oblong hole, an inner channel having a triangular head and a curved end, and a slot to receive the spring. The bolt passes through the oblong aperture of each triangular plate and the oblong hole of the movable seat. The bolt engages with the nut. Each post is inserted through the corresponding round aperture of the triangular plate.
    Type: Application
    Filed: October 9, 2001
    Publication date: April 10, 2003
    Inventor: Chong-Yong Liu
  • Patent number: D468511
    Type: Grant
    Filed: May 30, 2002
    Date of Patent: January 7, 2003
    Inventor: Chong-Yong Liu
  • Patent number: D542499
    Type: Grant
    Filed: November 20, 2002
    Date of Patent: May 8, 2007
    Inventor: Chong-Yong Liu
  • Patent number: D483541
    Type: Grant
    Filed: November 20, 2002
    Date of Patent: December 9, 2003
    Inventor: Chong-Yong Liu
  • Patent number: D485512
    Type: Grant
    Filed: March 27, 2003
    Date of Patent: January 20, 2004
    Inventor: Chong-Yong Liu
  • Patent number: D489156
    Type: Grant
    Filed: May 30, 2002
    Date of Patent: April 27, 2004
    Inventor: Chong-Yong Liu