新型滾輪通過輪轂上的(de)(de)機械結(jie)構與彈(dan)性(xing)體(ti)固定的(de)(de)免(mian)粘膠設計 , 可 以防止彈(dan)性(xing)體(ti)脫落，提高了(le)滾輪的(de)(de) 使用(yong)(yong)壽命，減(jian)少(shao)工(gong)(gong)作人(ren)員對該電(dian)(dian)梯  用(yong)(yong)滾輪的(de)(de)拆解和(he)組裝工(gong)(gong)作，節省人(ren)工(gong)(gong)成本(ben)，也減(jian)少(shao)維(wei)保(bao)人(ren)員在電(dian)(dian)梯井 道內(nei)停留時(shi)間，降低安全風險。 

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.