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.:

US 6817371 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 16, 2004

Filed:

Aug. 04, 2003
Applicant:
Inventors:

Chung-Kuang Lin, Taipei Hsien, TW;

Jung-Jen Chang, Taipei Hsien, TW;

Assignee:

Fu Tai Umbrella Works, Ltd., Taipei Hsien, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A45B 2/514 ;
U.S. Cl.
CPC ...
A45B 2/514 ;
Abstract

A multiple-fold automatic umbrella includes: a central shaft; a rib assembly pivotally secured to an upper notch and a lower runner on the central shaft; an opening spring and a plurality of closing springs for opening or closing the umbrella; and a control device including a push button, an opening controller having an upper latch for controlling the opening of the umbrella, a closing controller including a lower latch for controlling the closing of the umbrella, and a multiple-fold rope respectively sinuously wound on a plurality of rollers which are respectively mounted on an upper holder formed on an upper portion of the central shaft adjacent to the upper notch and on a lower holder formed on the lower runner for smoothly winding the rope on the rollers for enhancing a smooth opening or closing operation of the umbrella.


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Lin, Chung-Kuang. (2004). Multiple-fold automatic umbrella with smoothly wound multiple-fold rope (U.S. Patent No. 6817371). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6817371

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