Firm reliable insulating step ladder

• Main Authors: WEI LIYONG, LIU ZHONGCHAO, REN XIAODONG, NIU XUEYU
• Format: Patent
• Language: Chinese; English
• Published: 06.04.2016
• Subjects: DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; FIXED CONSTRUCTIONS; LADDERS

The utility model discloses a firm reliable insulating step ladder, divide ladder, take -up pulley, double -screw bolt, cushion, sucking disc and antiskid including telescopic link, first branch ladder, spout, connecting rod, hinge, second, first one end of dividing ladder and second to divide the ladder is connected respectively on two rotation feet of hinge to realize that first ladder and the second of dividing divides the folding of ladder and open, the first ladder bottom of dividing the ladder sets up the telescopic link, the terraced level setting of first branch, and the terraced ladder's of telescopic link and first branch tip inboard all installs antiskid, the second divides the bottom of ladder to set up the double -screw bolt for the cushion is installed in vertical setting on the double -screw bolt. This practicality still divides the outside of ladder to set up the connecting rod at first ladder and the second of dividing for the structure is more stable, and is safe more and relieved during the