Anti-vibration support

Claim 2

An anti-vibration support comprising, spaced supported and supporting members having axially aligned apertures, a pair of substantially identical elongate tubular elastomeric bodies, each of said bodies having an elongate annular recess concentrically disposed therein and extending axially thereof from and in open communication with one end, the inner diameter of said annular recess being substantially equal to the diameter of the aperture in one of said members, a rigid tubular spacer sleeve concentrically secured within and to each of said bodies and extending substantially coextensively therewith, said pair of bodies being disposed on opposite sides of said one member with one of said bodies being disposed between said supported and supporting members, the ends of said bodies having said recesses communicating therewith facing each other and said one member and having the portions inwardly of said recess aligned with the aperture of said one member aperture, a bolt extending through said aligned apertures in said supported and supporting members and said spacer sleeves, and securing means associated with said bolt for axially precompressing the portions of said bodies outwardly of said recesses and for forcing the portions of said bodies inwardly of said recesses inwardly of the aperture of and in engagement with said one member, said elastomeric bodies in conjunction with said one member defining annular cavities on opposite sides of said one member adjacent the aperture therein.

Claim 3

An anti-vibration support, according to claim 1, wherein the length of said recesses is at least equal to the amount that the radially outward portions of said elastomer bodies are to be precompressed.

Claim 4

An anti-vibration support, according to claim 1, wherein the length of said elastomer bodies radially outward of said recesses is less than the length of said bodies radially inward of said recesses with at least a portion of the difference in length being provided at the end of said bodies having the recesses communicating therewith.

Claim 5

An anti-vibration support, according to claim 1, wherein said spacer sleeves have an outer diameter substantially equivalent to the inside diameter of said bodies and are bonded to said bodies.

Claim 6

An anti-vibration support, according to claim 1, wherein said spacer sleeves have a radially outward flange at the end remote from the end having the recess communicating therewith extending in overlapping engaging relation to the portion of said body radially outward of said recess.

Claim 7

An anti-vibration support, according to Claim 1, including at least one annular rigid plate embedded in and bonded to the portion of said bodies radially outward of said recesses concentrically of said sleeves.

Claim 8

An anti-vibration support comprising, spaced supported and supporting members having aligned apertures, a pair of substantially identical elongate tubular elastomeric bodies, each of said bodies having an elongate annular recess concentrically disposed therein and extending axially thereof from and in open communication with one end, the inner diameter of said annular recess being substantially equal to the diameter of the aperture in one of said members, the length of said bodies radially outward of said recesses being less than the length of said bodies radially inward of said recesses and the difference in length being provided at the end of said bodies having the recesses communicating therefrom, a tubular spacer sleeve of non-flexible material having an outer diameter substantially equivalent to the inside diameter of said bodies concentrically disposed within and adhered to each of said bodies and extending coextensively therewith, said spacer sleeves having a radially outward flange at the end of said bodies remote from the end having the recess communicating therewith extending in overlapping engaging relation to the portion of said bodies radially outward of said recesses and adhered in engagement with the ends of said bodies, said pair of bodies being disposed on opposite sides of said one member with one of said bodies being disposed between said supported and supporting members, the ends of said bodies having said recesses communicating therewith facing each other and said one member and having the portions inwardly of said recess aligned with and partially received in the aperture of said one member, a bolt extending through said aligned aperture in said supported and supporting members and spacer sleeves, and nut means threadedly mounted on said bolt for axially precompressing the portions of said bodies outwardly of said recesses and for forcing the portions of said bodies inwardly of said recesses inwardly of the aperture of and in engagement with said one member with said spacer sleeves abutting each other, the length of said recesses being at least equal to the amount that the radially outward portions of said bodies are to be precompressed, said elastomeric bodies in conjunction with said one member defining annular cavities opposite sides of said one member adjacent the aperture therein.

Claim 9

An anti-vibration support comprising, spaced supported and supporting members having aligned apertures, a pair of substantially identical elongate tubular elastomeric bodies, each of said bodies having an elongate annular recess concentrically disposed therein and extending axially thereof from and in open communication with one end, the inner diameter of said annular recess being substantially equal to the diameter of the aperture in one of said members, the length of said bodies radially outward of said recesses being less than the length of said bodies radially inward of said recesses and the difference in length being provided at the end of said bodies having the recesses communicating therefrom, a tubular spacer sleeve of non-flexible material having an outer diameter substantially equivalent to the inside diameter of said bodies concentrically disposed within and adhered to each of said bodies and extending coextensively therewith, said spacer sleeves having a radially outward flange at the end of said bodies remote from the end having the recess communicating therewith extending in overlapping engaging relation to the portion of said bodies radially outward of said recesses and adhered in engagement with the ends of said bodies, said pair of bodies being disposed on opposite sides of said one member with one of said bodies being disposed between said supported and supporting members, the ends of said bodies having said recesses communicating therewith facing each other and said one member and having the portions inwardly of said recess aligned with and partially received in the aperture of said one member, a bolt extending through said aligned aperture in said supported and supporting members and spacer sleeves, and nut means threadedly mounted on said bolt for axially precompressing the portions of said bodies outwardly of said recesses and for forcing the portions of said bodies inwardly of said recesses inwardly of the aperture of and in engagement with said one member with said spacer sleeves abutting each other, the length of said recesses being at least equal to the amount that the radially outward portions of said bodies are to be precompressed, said elastomeric bodies in conjunction with said one member defining annular cavities opposite sides of said one member adjacent the aperture therein.