Patent ID: 8113495
Filing Date: 2012-02-14
Classification: F16F

Abstract:
1. A vibration damper configured to act between equipment that is subject to vibration and an underlying floor surface of a building structure, said vibration damper comprising: a plurality of compressible foam layers secured directly one on top of the other to form a stack, said stack of foam layers having substantially planar top and bottom surfaces and each foam layer having a different density; a non-compressible load bearing metal plate secured directly to the top surface of said stack of foam layers, said load bearing plate supporting equipment that is subject to vibration; a resilient mounting pad on said load bearing metal plate; and a rubber slip resistant layer secured directly to the bottom surface of said stack of foam layers, said slip resistant layer having a contoured bottom surface comprising an array of alternating peaks and valleys and overlying a portion of the floor surface on which the vibration damper is disposed, the contour of the bottom surface of said slip resistant layer surface and the relative densities of the foam layers of said stack being selected such that said vibration damper inhibits equipment vibrations from propagating to said floor surface.