Patent ID: 9732528
Date: 2017-08-15
CPC Classifications: E01F,E04F

Claim:
1. An accessible passageway assembly, which is formed by a plurality of railing units, a plurality of columns, and a plurality of step plates; wherein the plurality of railing units are disposed at interval by columns to form an inner fence and an outer fence of the passageway; support bars are provided between the columns of the inner fence and the columns of the outer fence, such that step plate are able to be provided between the two support bars; the accessible passageway assembly is characterized in that: the upper end of the support bar is formed with a plurality of convex hooks, and the front and rear side thereof are provided with a lip plate, respectively; a lower end of a platen is provided with a hook by which the platen is hooked with a convex hook of the support bar; the front and rear side thereof are provided with a protruding pressing lip, respectively; wherein when the platen is joined to the upper end of the support bar, said protruding pressing lips and the lip plates of the support bar are able to form an accommodation space, so that the step plate able to be inserted sideways into the accommodating space, whereby the step plate is supported and fixed by the support bar, wherein the gradient between the lip plate of the support bar and the pressing lip of the platen may vary depending on the mount position of the support bar and the platen.