Trilateral no line ball out -swinging casement of enhancement mode

• Main Authors: HE JING, JI XIA, WU ZUGUANG, WU QINGYU, MO WEIQIANG, SHI QIPENG, LIANG ZHENGHONG, HUANG ZHIWEN, JI WEI
• Format: Patent
• Language: Chinese; English
• Published: 11.01.2017
• Subjects: DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; FIXED CONSTRUCTIONS; FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES; LADDERS

The utility model discloses a trilateral no line ball out -swinging casement of enhancement mode does not have line ball fan frame, downside fan frame, left side by the upside and does not have line ball fan frame and right side and do not have line ball fan frame and constitute, one end that the upside does not have a line ball fan frame is a type line ball, be the butt board for the other end of class line ball, is equipped with the C groove that appears between type line ball and the butt board, and the tip that C appeared the groove is equipped with the sawtooth, class line ball and butt board integrated into one piece, the upper end of downside fan frame is equipped with C shape activity line ball and line ball fixing base, the activity of C shape line ball, line ball fixing base and downside fan frame joint of each other. This practicality need not to install outside line ball because the left side does not have line ball fan frame, right side and do not have line ball fan frame, upside and do not have