SPACER HAVING VIBRATION REDUCING TOOL

摘要

A spacer having the vibration damping tool is provided block that the noise and vibration are transmitted through slab between the up down layer. A spacer having vibration damping apparatus comprises a mass(45) which is installed in order to be adopted to the space within the plastic body of spacer, an elasticity bar type spring member(46) which the other end which is the fixed end horizontally extends to the middle direction, a supporting rod(47) extending as the vertical upward and passes through the plastic body and the upper end is protruded to the top, a permanent magnet(50) fixed and installed in the upper end of the standoff rod.