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. 16, 2014
Filed:
Feb. 23, 2012
Applicants:
Yu-che Wen, Taoyuan County, TW;
Chih-yao Chang, Taichung, TW;
Inventors:
Yu-Che Wen, Taoyuan County, TW;
Chih-Yao Chang, Taichung, TW;
Assignee:
Nien Made Enterprise Co., Ltd., Taichung, TW;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E06B 9/307 (2006.01);
U.S. Cl.
CPC ...
Abstract
A slat controller for a window blind has a gear, a worm member, and a connector. The gear connects to slats through cords, and the worm member having spiral teeth meshed with the gear. The connector has flexible arms, and the flexible arms have teeth. The worm member has teeth normally engaging the teeth of the connector, and the teeth of the worm member disengage the teeth of the connector to protect the meshed gear and the worm member when the user keeps turning the tilting rod beyond the allowable turning range.