Patents by Inventor Shwu-Guei Linwu

Shwu-Guei Linwu 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: 4930186
    Abstract: A suitcase pivoting arm including an upper and a lower arm member, an actuating plate, a mating block, axle pins, and a spring. The upper and lower arm members are pivotally connected with the actuating plate to allow the actuating plate to freely rotate. The upper arm member includes a round plate shaped front end with inner and outer lugs and one or more notches made therearound, the mating block being pivotally connected to the lower arm member with the top end of the mating block being forced by the spring to be in contact with the periphery of the round plate shaped front end of the upper arm member. Upon turning the arms outward the mating block is allowed to set in the notch of the round plate shaped front end of the upper arm member, the upper arm member is protected from reverse rotation so as to support the lifted suitcase cover.
    Type: Grant
    Filed: February 6, 1989
    Date of Patent: June 5, 1990
    Inventor: Shwu-Guei Linwu