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:
Jul. 08, 2014
Filed:
Apr. 26, 2010
Lin Feng, Shenzhen, CN;
Hoichi Leung, Hong Kong, CN;
Lok Shun Leung, Hong Kong, CN;
Shenzhen Qichuangmei Technology Co., Ltd, Shenzhen, Guangdong, CN;
Abstract
A casement window with multi-angle window sash includes a window frame () and a window sash (). The window sash () is connected with the window frame () by a window hinge mechanical structure and a locking mechanism (), wherein the mechanical structure of the window hinge includes a quadrilateral link mechanism (), a movable sliding block (), a gear (), and a hinge seat (); the locking mechanism () includes a screw rod () with an axial plane () and a thread (). The screw rod () realizes the locking of the window sash () by meshing the thread () with the gear (), and realizes the opening and closing of the window sash () by the axial plane (). The casement window is simple in structure, low in cost, convenient to install and use, and provides high safety.