Patent ID: 11891857
Assignee: JIANGSU ZHOU JIJIE INTELLIGENT TECHNOLOGY CO., LTD
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 4:
5. The assembled ladder according to claim 2, wherein the foot plate comprises an upper foot plate and a lower foot plate; the upper foot plate and the lower foot plate are provided with the plurality of mounting parts, wherein the plurality of mounting parts are rotatably connected to the upper foot plate and the lower foot plate, and the at least one rung is located below the upper foot plate to support the upper foot plate; a plurality of first connecting rods are arranged between the upper foot plate and the lower foot plate, opposite ends of each first connecting rod of the plurality of first connecting rods are rotatably connected to the upper foot plate and the lower foot plate, respectively; and a plurality of second connecting rods are arranged between the plurality of first connecting rods and the plurality of rear supporting legs, and opposite ends of each second connecting rod of the plurality of second connecting rods are rotatably connected with one first connecting rod of the plurality of first connecting rods and one rear supporting leg of the plurality of supporting legs, respectively.