Vibration isolation apparatus

摘要

PCT No. PCT/JP96/02146 Sec. 371 Date Oct. 18, 1996 Sec. 102(e) Date Oct. 18, 1996 PCT Filed Jul. 30, 1996 PCT Pub. No. WO97/06372 PCT Pub. Date Feb. 20, 1997A vibration isolating apparatus (5) includes: an elastic body (3) in which elastic material layers and rigid material layers are alternately superposed one on top of another; and a cylindrical lead member (4) which is disposed in a hollow portion (12) defined by an inner peripheral surface (9) of the elastic body (3), wherein a ratio Vp/Ve between a volume Vp of the cylindrical lead member (4) and a capacity Ve of the hollow portion (12) in a state in which the cylindrical lead member (4) is not inserted and a load is applied to the elastic body (3) is 1.02 to 1.12.