Vibration damping apparatus

摘要

Apparatus for securing vibration sensitive equipment relative to a support comprising a rigid structure having an outer surface for attachment of the vibration sensitive equipment, a hollow interior and a wall portion between the outer surface and the hollow interior. This structure is rigidly attachable to the support. The hollow interior contains at least two dynamic damping systems having different resonance characteristics. Each dynamic damping system comprises a damping mass elastically mounted in spaced relationship to the wall portion.