Patents by Inventor Liu Zhong Liang

Liu Zhong Liang 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).

  • Automatic cutting machine having receiving device for lens
    Patent number: 7536941
    Abstract: An automatic lens cutting machine (1) includes a body portion, a carrying device (10), a cutting device (20), a take out device (30), a power device and an electrical control portion. The take out device is mounted adjacent to the carrying device, and comprises a shelf (31) mounted on a base (40) of the body portion and a lens receiving device (34) disposed above the shelf. The lens receiving device has a plurality of rows of tubular rings. Each row has a plurality of rings. The rings receive unseparated lenses (90) on a semi-finished lens assembly (9) therein when the automatic lens cutting machine is in operation, and retain the separated lenses therein after the semi-finished lens assembly is subject to a cutting operation.
    Type: Grant
    Filed: March 3, 2005
    Date of Patent: May 26, 2009
    Assignee: Asia Optical Co., Inc.
    Inventors: Lee Jung Chou, Liu Zhong Liang