Patents Assigned to Tung Ho Industry Co., Ltd.
  • Patent number: 4825888
    Abstract: A manual/automatic dual-purposed umbrella structure comprising a handle, a stationary tube, an inner tube, an outer tube and a top tube. The handle has two buttons which respectively control a pushing rod and a hook portion to fix or loosen the outer tube. The inner tube and the top tube are separately passed into the outer tube from the top and the bottom thereof. The top tube and the stationary tube each respectively comprises a hook hole used for hooking a hook rod installed on the outer tube. Two springs are respectively set on the inner tube and the top tube, the elastic forces thereof forcing the umbrella frame to be opened or closed.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: May 2, 1989
    Assignees: Tseng, Su, Tung Ho Industry Co., Ltd.
    Inventor: Tseng Su