Patents by Inventor Nai-Cheng Tsao

Nai-Cheng Tsao 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).

  • Patent number: 5472110
    Abstract: A storage container (10) includes a front cover (11) and a back base portion (12) connected at the bottom thereof by a hinge assembly (13) and at the top thereof by a latch assembly (14). The latch assembly (14) includes a latch body (55) pivotally attached to the base portion (12) and engaging the cover (11) which carries a tongue (72) having a safety catch (73) at the end thereof which extends through a slot (71) in the latch body (55) to engage the same. The hinge assembly (13) includes spaced hook members (49) which have an opening (50) therein to receive axles (52) carried between spacers (51). A tray (33) is also provided for the container (10) which has a bottom support surface (34) to hold items thereon and it also includes apertures (38) to hold other items. In addition, flanges (41, 42) which are formed with rib members (40) which depend from the support surface (34) are also provided to hold items in container (10).
    Type: Grant
    Filed: March 10, 1994
    Date of Patent: December 5, 1995
    Assignee: Rubbermaid Incorporated
    Inventors: Edward L. Boyd, Nai-Cheng Tsao
  • Patent number: 5024471
    Abstract: A latch assembly (12) is adapted for use with a container having a base portion (11) and a cover (10) affixable thereto by the latch assembly (12). The base portion (11) has projections (17) extending from its sidewall and the cover (10) has lugs (14) extending therefrom. A latch plate (19) has laterally spaced ribs (25) between which an upper lever bar (28) is pivotally connected to define an upper pivot point. Ribs (45) on the upper lever bar (28) are adapted to snap over the lugs (14) to attach the latch assembly (12) to the cover (10). The lower end of a lower lever bar (30) is also pivotally connected between the ribs (25) to define a lower pivot point. The upper edge of the lower lever bar (30) is hinge connected (33, 34) to the lower edge of the upper lever bar (28) with the centerline of the hinge (33, 34) being laterally offset from a plane defining both the upper and lower pivot points.
    Type: Grant
    Filed: July 25, 1990
    Date of Patent: June 18, 1991
    Assignee: Rubbermaid Incorporated
    Inventors: W. Henry Kahl, David E. Price, Nai-Cheng Tsao
  • Patent number: D443706
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: June 12, 2001
    Assignee: The Coleman Company, Inc.
    Inventors: Gary Israel, Nai-Cheng Tsao, Antonio Belton, Phil Holsinger