A safety ladder shaped it comprises a top part is hinged with the front side of the ladder body and the back side ladder body; The front body comprises side ladder is set on the left and right side of the front of the support column and transverse span is connected with the two sides of front supporting pole between the plurality of the pedal; The back body comprises side ladder is set on the left and right two sides of the back support posts are respectively connected with the two sides of back supporting pole at the top and the bottom of the upper connecting rod and lower connecting rod the upper and lower connecting rod is not set between the pedal. The front and back sides of the upper part of ladder body are respectively fixedly set on the climbing ladder at top of the front sealing plate and the back seal board can be used for construction of the body of the leaning so as to assure that the elevating operation it keeps the body balance ladder body it strengthens the intensity and stability. The invention claims a safety ladder shape which can prevent the user and the ladder the two sides of the moving foot to step and so on the top of the accidental ladder body using the insulating material also can prevent the electric shock and it is safer to use.
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