Patent ID: 6435487
Filing Date: 2002-08-20
Classification: F16F

Abstract:
A liquid sealed type vibration isolator comprising two metal fixing members, a vibration isolating base member interposed between the two metal fixing members and formed of an elastic body of a rubber-like material, a diaphragm disposed so as to be opposed to the vibration isolating base member, a liquid chamber formed between the vibration isolating base member and diaphragm, and a partition dividing the liquid chamber into two, i.e. main and auxiliary liquid chambers, an orifice being formed between the partition and a liquid chamber-forming rubber portion extending around the partition,the partition being formed of a substantially cylindrical partition plate, and a disc type elastic film formed to a diameter larger than that of an upper cylindrical portion of the partition plate and closing a central opening of the partition plate, the elastic film and partition plate being formed separately, the elastic film being provided with a positioning bore in a lower surface of a circumferential portion thereof, the upper portion of the partition plate being press fitted or inserted into the positioning bore.