Rubber brushing

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F - Mech Eng,Light,Heat,Weapons

16

M

248/6

F16M 1/00 (2006.01) F16F 13/14 (2006.01)

Patent

CA 2010918

ABSTRACT A hydraulically dampened rubber bushing includes an outer sleeve concentrically surrounding an inner sleeve at a radial distance, inner and outer elastic bodies positioned in the radial distance between the sleeves and made from elastic rubber material, the outer elastic body having a substantially X-shaped cross section and enclosing liquid filled chambers and an intermediate member. At least one opposingly positioned pair of these chambers communicates through a damping passage. The intermediate member includes two opposing sleeve sections symmetrically positioned to the vertical median of the outer elastic body. The sleeve sections are permanently affixed to the outer elastic body and, together with the outer elastic body, enclose a central chamber. The inner elastic body mounted on the inner sleeve is inserted into the central chamber under radial compression of the outer elastic body. The rubber bushing of the invention is characterized by an especially high insulation of acoustically prominent high-frequency vibrations transmitted from a supported load and a longer service life. PAT 15164-1

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