Patent ID: 6554263
Filing Date: 2003-04-29
Classification: F16F

Abstract:
A vibration isolator comprising:a fitting member having a first portion for attachment to one of a vibrating body and a support thereof and a second portion; an elastic base member having a first side fixed to the second portion of the first fitting member and a second side; a tubular member having a first end fixed to the second side of the elastic base member and a second end; a partition device, disposed in the tubular member, having an outer diameter, a first partition side opposing the elastic base member defining a main liquid chamber therebetween, and a second partition side opposite said first partition side, said partition device defining an orifice communicating with the main liquid chamber; a partition receiving plate having a diameter greater than the outer diameter of the partition device and having the partition device mounted thereon, the partition receiving plate having an annular portion extending beyond the outer diameter of the partition device, the partition receiving plate having an opening communicating with the orifice; a diaphragm disposed opposing the partition receiving plate and defining an auxiliary liquid chamber communicated with the main liquid chamber via said orifice, said diaphragm including an annular reinforcing plate at a periphery thereof; another fitting member for attachment to the other one of the vibrating body and the support thereof, the another fitting member being disposed opposing said diaphragm to define an air chamber; and said second end of said tubular member being swaged to clamp said annular portion of the partition receiving plate, said annular reinforcing plate of said diaphragm which lies therewith, and said another fitting member mutually fixed in place together.