Patent ID: 8876093

Claim:
A liquid sealed vibration isolating device comprising a liquid chamber being partitioned into a primary liquid chamber and a secondary liquid chamber, a partition member having an orifice passage which communicates between said primary liquid chamber and said secondary liquid chamber, an elastic body, a frame member for fitting said elastic body therein and supporting it thereon, said elastic body having a thin-walled movable diaphragm section in a central region thereof and a substantially ring shaped thick-walled outer circumferential section provided on a circumference of said movable diaphragm section, and a relief valve being integrally formed with said thick-walled outer circumferential section, wherein only a pair of relief valves is arranged in opposed relation to each other across a center of said elastic body, and a noncircular shaped detent section is formed on an outer circumferential portion of said thick-walled outer circumferential section which is located between the pair of relief valves, and wherein an engaging section corresponding to said detent section is provided on said frame member, and said detent section is engaged with said engaging section by fitting said elastic body into said frame member.