The invention provides a stair framework of a passenger conveyor, a manufacturing method thereof and stairs of the passenger conveyor. In an aluminum stair framework casting process, step parts (90) formed by horizontal plates (92) and vertical plates (94) are formed on left-right angle parts formed by intersection of splint surfaces (64) and kickplate surfaces (66). Nut installation holes (96) are formed in the horizontal plates (92), and the plane shape of the further back nut installation holes (96) is narrower, and the width of the further front parts of the horizontal plates (92) provided with the nut installation holes (96) is thinner.
Stair framework of passenger conveyor, manufacturing method thereof and stair of passenger conveyor
2016-02-10
Patent
Electronic Resource
English
IPC: | B66B Aufzüge , ELEVATORS |
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