Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chin-Sung Ko0
Date of Patent
October 16, 2007
Patent Application Number
10833168
Date Filed
April 28, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
An umbrella runner has two engaging slices respectively pivotally connected on two sides of the runner. A sleeve is displaceably disposed around the runner. An annular groove is provided on a top tube of the shaft of the umbrella. The sleeve can be moved upward and downward for pivoting the slices to position the runner and the umbrella in a stable open state.
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