| 摘要 |
PROBLEM TO BE SOLVED: To propose an elevator device which can improve and maintain soundproof effect. ! SOLUTION: This invention provides an elevator device comprising covers covering a sheave, a deflector wheel and a rope respectively, wherein the covers comprises a sheave cover covering the sheave, a deflector wheel cover covering the deflector wheel, and a rope cover covering the rope, and the sheave cover, deflector wheel cover and rope cover have a double structure in which noise-absorbing sound absorption material is sandwiched between two iron plates. ! COPYRIGHT: (C)2015,JPO&INPIT |
