Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature
Reexamination Certificate
2005-07-12
2005-07-12
Nguyen, Xuan Lan (Department: 3683)
Spring devices
Resilient shock or vibration absorber
Including energy absorbing means or feature
Reexamination Certificate
active
06916016
ABSTRACT:
Disclosed is a fluid-filled vibration-damping device and a method of manufacturing the same, wherein an elastic body connecting a first and second mounting members partially defines a fluid-filled zone filled with non-compressible fluid, and a sealing part of the fluid-filled zone is formed by forcedly fitting an annular fixing projection formed on one of an inner circumferential surface of a first sealing member or an outer circumferential surface of a second mounting member into an annular fixing recess formed onto the other. Drain passages are formed at an interface between the annular fixing recess and projection to expose a floor of the annular fixing recess to an outside. Compressed air is blown into one of the drain passages so as to blow away or forcedly discharge the non-compressible fluid remained on the floor of the annular fixing recess to the outside through another drain passage.
REFERENCES:
patent: 6250615 (2001-06-01), Leibach
patent: 6523813 (2003-02-01), Kato
patent: 61-189341 (1986-08-01), None
patent: 5-71490 (1993-09-01), None
patent: 7-167200 (1995-07-01), None
Beyer Weaver & Thomas LLP
Nguyen Xuan Lan
Tokai Rubber Industries Ltd.
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