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.

Date of Patent:
Mar. 23, 2010

Filed:

Mar. 09, 2009
Applicant:

Ting-kuo Tai, Taipei, TW;

Inventor:

Ting-Kuo Tai, Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H 75/48 (2006.01);
U.S. Cl.
CPC ...
Abstract

A single-pull reel which includes an upper cover, a bottom cover configured to engage with the upper cover, a cord-rotating disc, a clamping member provided on a top section of the cord-rotating disc, the bottom portion of the cord-rotating disc being provided with a sliding groove, a spiral spring having an inner end and an outer end, the inner end being engaged with the notch of the axle of the upper cover, a cord divided into a first section and a second section, a positioning ball mounted within the sliding groove of the cord-rotating disc thereby forming an engaged sliding movement, and the bottom cover having an inner face provided with a multi-functional rail in combination with the positioning ball to provide a clockwise and counterclockwise movement of the cord-rotating disc thereby causing the positioning ball to provide alternately a loosening and tightening operation of the cord.


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