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:
Oct. 06, 2009
Filed:
Feb. 07, 2007
Ming Nien, Lugang Township, Changhua County, TW;
Yu-che Wen, Gueishan Township, Taoyuan County, TW;
Chih-yao Chang, Taichung, TW;
David Pon, Tustin, CA (US);
Judkins Ren, Pittsburgh, PA (US);
Ming Nien, Lugang Township, Changhua County, TW;
Yu-Che Wen, Gueishan Township, Taoyuan County, TW;
Chih-Yao Chang, Taichung, TW;
David Pon, Tustin, CA (US);
Judkins Ren, Pittsburgh, PA (US);
Nien Made Enterprise Co., Ltd., Taichuang, TW;
Abstract
A cord lock apparatus of a window shade is provided, which includes a base, a panel structure, and a cord gripping device. The base includes an adjustable portion allowing cords to pass through and a first-direction ascending opening is formed allowing the cords to be alternatively positioned. The panel structure having an insert plate and a second-direction ascending opening is provided allowing cords to pass through, when the cords are selectively positioned along the inclined surface, the panel structure is moved in a vertically upward or downward motion. The cord gripping device has an engaging block and a knurled roller, the engaging block is removably attached within the accommodation recess. The knurled roller is positioned near the top of the engaging block and a gap is formed therebetween, such that the knurled roller is frictionally locked with or released from the cords when the panel structure moves vertically downward or upward.