新型滾輪(lun)通(tong)過輪(lun)轂上的(de)機械結(jie)構與彈(dan)性體固(gu)定的(de)免粘膠設計(ji) , 可(ke) 以防(fang)止彈(dan)性體脫落，提(ti)高了(le)滾輪(lun)的(de) 使用壽(shou)命，減少工作人(ren)員(yuan)對該(gai)電梯 用滾輪(lun)的(de)拆解(jie)和組(zu)裝工作，節省(sheng)人(ren)工成本，也減少維保人(ren)員(yuan)在電梯井 道內停留時間，降低安全風險(xian)。 

New roller can prevent elastomer fall off by means of the mechanical structure and elastomer fixed wheel surface viscose design,improve the lifetime of roller,reduce operator disassembly and assembly to save labor cost,also reduce the staying time inside of the elevator shaft and reduce the risk.