Vibration damping device and bucket for construction machine

Details Vibration damping device and bucket for construction machine Vibration damping device and bucket for construction machine

2008-02-21

2010-06-29

San Martin, Edgardo (Department: 2832)

Acoustics

Sound-modifying means

Mechanical vibration attenuator

C181S208000, C037S444000

Reexamination Certificate

active

07743881

ABSTRACT:
A vibration damping device capable of maintaining high vibration damping effect, and a bucket for a construction machine. The vibration damping device has a laminated plate (20) having at least its inner region fixed in a noise-emitting base material (11), the inner region being a region (G) other then a region which becomes a loop in a vibration mode when the base material (11) is vibrated in a vibration mode with a predetermined frequency.

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