Vibration-damping device having independent mass member

A vibration-damping device for elastically connecting two members of a vibration system in a vibration damping fashion, said vibration-damping device comprising:

• a first mounting member attachable to one of the two members of the vibration system;
• a second mounting member disposed away from said first mounting member and attachable to an other one of the two members of the vibration system;
• an elastic body disposed between and elastically connecting said first and second mounting members, said elastic body including a connecting portion that extends between said first and second mounting members and has a hollow housing portion formed therein such that said housing portion is spaced apart from said first and said second mounting members so as to be displaceable in an entirety thereof relative to said first and second mounting members;
• and
• an independent mass member accommodated in said housing portion with a spacing therebetween such that said independent mass member is independently displaceable relative to said housing portion without being bonded to said housing portion, and is brought into direct and elastic impact against said housing portion.