Vibration isolating apparatus

Details Vibration isolating apparatus Vibration isolating apparatus

1997-12-22

2000-03-07

Le, Mark T.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

26714013, F16F 500

Patent

active

060329378

ABSTRACT:
The present invention is a vibration isolating apparatus, comprising: an elastic body which is connected to one of a vibration generating portion and a vibration receiving portion and which is elastically deformed when vibration is inputted; a liquid chamber forming member which forms a liquid chamber with the elastic body; a movable plate which forms a portion of a partitioning wall of the liquid chamber and which controls the pressure of the liquid chamber; an actuator which drives the movable plate; an elastic film which is disposed between the movable plate and the liquid chamber forming member so as to seal the liquid chamber; a plate spring which is disposed on the elastic film at one of the liquid chamber side and the side opposite the liquid chamber side and which elastically supports the movable plate with respect to the liquid chamber forming member, the plate spring opposing the elastic film so that the plate spring is able to contact the elastic film; and a restricting member which is disposed on the elastic film at the side opposite the side at which the plate spring is provided, wherein swelling and deformation of the elastic film at the liquid chamber side and at the side opposite the liquid chamber side is prevented by the plate spring and the restricting member.

REFERENCES:
patent: 5249782 (1993-10-01), Ide et al.
patent: 5277409 (1994-01-01), Goto et al.
patent: 5718417 (1998-02-01), Aoki

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