Liquid enclosing type vibration isolating apparatus and assembli

Details Liquid enclosing type vibration isolating apparatus and assembli Liquid enclosing type vibration isolating apparatus and assembli

1997-07-22

1999-11-23

Schwartz, Chris

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

2671404, F16F 900

Patent

active

059886110

ABSTRACT:
There is provided a liquid enclosing type vibration isolating apparatus which reduces a number of members to be aligned and which simplifies the assembling procedure in liquid, so as to reduce assembling steps and production cost. A cylindrical rubber body has a reinforcing intermediate cylinder, a concave groove and a through hole to form an orifice passage. The cylindrical rubber body is formed integrated with a diaphragm at a lower end of the cylindrical rubber body. A partitioning member has, on its peripheral part, an orifice passage concave portion. A first assembling step is conducted in air wherein a partitioning member is fitted into the cylindrical rubber body, so as to form an air chamber between the diaphragm and the partitioning member, while aligning the through hole with the orifice passage concave portion. Subsequent assembling steps are conducted in liquid wherein the cylindrical rubber body is fitted into a cup-like casing fitting and the vibration isolating base body is fitted into the cylindrical rubber body to form upper and lower liquid chambers which communicate via the orifice passage.

REFERENCES:
patent: 5145156 (1992-09-01), Muramatsu et al.
patent: 5183243 (1993-02-01), Matsumoto
patent: 5246212 (1993-09-01), Funahashi et al.
patent: 5501433 (1996-03-01), Satori
patent: 5560592 (1996-10-01), Shimoda et al.
patent: 5628498 (1997-05-01), Nanno
patent: 5839720 (1998-11-01), Kojiwa

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