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. 25, 2007
Filed:
Aug. 13, 2004
Ming Nien, Changhua Hsien, TW;
Yuche Wen, Gueishan Township, Taoyuan County, TW;
Chih-yao Chang, Taichung, TW;
Ming Nien, Changhua Hsien, TW;
Yuche Wen, Gueishan Township, Taoyuan County, TW;
Chih-Yao Chang, Taichung, TW;
Nien Made Enterprise Co., Ltd., Taichung, TW;
Abstract
A rolling mechanism includes a base frame fastened to a top side of a window and having a coupling flange, a roller rotatably mounted below the base frame for stationary rotation and having a locating groove on its periphery, and at least one constraint member having a coupling portion pivotally coupled to the coupling flange of the base frame and a constraint portion extending from the coupling portion for engaging the locating groove of the roller and further limiting the rotary direction of the roller to one direction only.