Patents by Inventor Jeong Chan Lim

Jeong Chan Lim 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).

  • Level-adjusting apparatus for an attachment device
    Patent number: 7029046
    Abstract: An level-adjusting apparatus for an attachment according to this invention comprises a fixed frame attached to a sub frame that is movable horizontally; a cylinder assembly, which is mounted on one side of the fixed frame, having a suction cup on its lower end; a flexible screw shaft disposed in the cylinder assembly so as to be connected with the suction cup; and an actuator that drives the flexible screw shaft to move vertically so that the cylinder assembly contracts and elongates. Accordingly, the vertical position of the suction cup can be adjusted in accordance with the shape of a work piece.
    Type: Grant
    Filed: July 28, 2003
    Date of Patent: April 18, 2006
    Assignee: Hyundai Motor Company
    Inventor: Jeong Chan Lim
  • Level-adjusting apparatus for an attachment device
    Publication number: 20040130085
    Abstract: An level-adjusting apparatus for an attachment according to this invention comprises a fixed frame attached to a sub frame that is movable horizontally; a cylinder assembly, which is mounted on one side of the fixed frame, having a suction cup on its lower end; a flexible screw shaft disposed in the cylinder assembly so as to be connected with the suction cup; and an actuator that drives the flexible screw shaft to move vertically so that the cylinder assembly contracts and elongates. Accordingly, the vertical position of the suction cup can be adjusted in accordance with the shape of a work piece.
    Type: Application
    Filed: July 28, 2003
    Publication date: July 8, 2004
    Inventor: Jeong Chan Lim