Fluid-sealed anti-vibration device

Details Fluid-sealed anti-vibration device Fluid-sealed anti-vibration device

2005-06-28

2005-06-28

Siconolfi, Robert A. (Department: 3683)

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

C267S219000

Reexamination Certificate

active

06910683

ABSTRACT:
In an anti-vibration device having a partition member dividing a fluid-sealed chamber into upside and downside, aimed at enhancing the anti-vibration performance by preventing unwanted leak of the fluid through through-holes of the partition member. To that end, the partition member is constructed of an elastic membrane partitioning the fluid-sealed chamber, and a pair of grids limiting displacements of the elastic membrane; and the elastic membrane is provided at its either surface with projecting streaks integral therewith, the projecting streaks surrounding through-holes, defined by the grids, over their whole peripheries and abutting on the grids, thereby regulating the flow of fluid among adjacent through-holes.

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patent: 2674590 (1992-10-01), None

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