The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 30, 2003
Filed:
Oct. 26, 2001
Chung-Kuang Lin, Taipei Hsien, TW;
Jung-Jen Chang, Taipei Hsien, TW;
Fu Tai Umbrella Works, Ltd., Taipei Hsien, TW;
Abstract
A multiple-fold automatic umbrella includes: a central shaft, a rib assembly including a top rib, a stretcher rib, at least an intermediate rib and a tail rib pivotally connected one another and pivotally connected to the central shaft, an opening spring, a plurality of closing springs and a control device for controlling the opening and closing of the umbrella; with the intermediate rib formed by extrusion molding process to have a cross section of two-lobe shape having an inner joint and an outer joint respectively connected on opposite ends of the intermediate rib for pivotally connecting inner and outer ribs of the rib assembly for obtaining a light-weight and proper strength of the rib assembly.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile