Patent ID: 6994068

Claim:
An antivibration device between a motor unit including an internal combustion engine and a vibration-insulated unit of a portable handheld work apparatus including a motor-driven chain saw, cutoff machine, suction/blower apparatus or the like, the antivibration device comprising: a vibration damper interposed between said units and said vibration damper being made of a foamed elastic material; said vibration damper having a peripheral surface and including a plurality of radially projecting ribs formed on said peripheral surface and said ribs being made of said foamed elastic material; said ribs having peripheral surfaces; and, said antivibration device further including means for holding said vibration damper at said peripheral surfaces of said ribs when said vibration damper is in the built-in state so as to leave an intermediate space between each two mutually adjacent ones of said ribs.