Patent ID: 8701875

Claim:
A belt-driving roller of a wire mesh belt for suspending an endless mesh belt from an outer circumference thereof and driving it in a circulating manner, said belt-driving roller comprising a rotation shaft; toothed rollers concentrically so attached to said rotation shaft that said toothed rollers are spaced from each other at a predetermined interval in axial direction of said rotation shaft; and spacer rollers so provided between the toothed rollers and concentrically attached to said rotation shaft in axial direction of said rotation shaft; wherein said rotation shaft comprises a flange portion on one end portion thereof, and is provided with a key portion on an outer circumference of said rotation shaft in axial direction; wherein each of said toothed rollers comprises an attaching cylindrical body having an insertion locking hole provided with a key groove engaging with said key portion, said attaching cylindrical body being attached to said rotation shaft, a pair of lid bodies spaced from each other and attached to said attaching cylindrical body, a cylindrical base material portion attached to outer circumferences of both lid bodies and provided with tooth portions in a plurality of rows on an outer circumference of said base material portion, said tooth portions being meshed with the wire mesh belt; wherein each of said spacer rollers comprises a pair of disc-shaped lid bodies attached to said attaching cylindrical body and to said rotation shaft, wherein a receiving hole is provided on one of said disc-shaped lid bodies, said attaching cylindrical body being inserted into said receiving hole, and wherein an insertion locking hole with a key groove is provided on other of said lid bodies, said key groove engaging with said key portion, and a cylindrical body attached to outer circumferences of both lid bodies by spacing from each other at predetermined interval; wherein each of said spacer rollers and each of said toothed rollers are arranged one after another, and all of thus arranged rollers are clamped from one end side, so that said spacer rollers and said toothed rollers are fixed to each other in axial direction of said rotation shaft.