Patents by Inventor Joong Kwoen Lee

Joong Kwoen Lee 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).

  • Vertical machining center with a vertical pallet capable of clamping a horizontal pallet thereon
    Patent number: 5927463
    Abstract: A vertical machining center is usable in combination with a horizontal machining center in a flexible manufacturing system with no incompatibility of their pallets. This should be attributable to the provision of a vertical pallet designed to clamp a horizontal pallet thereon. The vertical pallet includes, inter alia, a pallet base with a cylinder recess, a pallet saddle provided above the pallet base and removably holding the horizontal pallet therealong, the pallet saddle movable between an up position wherein the horizontal pallet remains unclamped and a down position wherein the horizontal pallet is clamped against the pallet base, and an actuator for causing the pallet saddle to move between the up position and the down position.
    Type: Grant
    Filed: December 20, 1996
    Date of Patent: July 27, 1999
    Assignee: Daewoo Heavy Industries Ltd.
    Inventor: Joong Kwoen Lee