Active type dynamic damper

Details Active type dynamic damper Active type dynamic damper

2005-06-21

2005-06-21

Graham, Matthew C. (Department: 3683)

Brakes

Inertia of damping mass dissipates motion

Resiliently supported damping mass

C188S380000, C267S140140, C267S136000

Reexamination Certificate

active

06907969

ABSTRACT:
A damper main body of a dynamic damper comprises a long flat mounting plate portion, a rod-like central supporting metal member which is erected vertically in the center of a top face of the mounting plate portion, constituting a supporting member together with the mounting plate portion, cylindrical rubber bushings placed on the central supporting metal member in succession from its bottom side, a coil member, a magnet portion, a yoke and a cylindrical case mounted over the yoke. Grommets, which are cylindrical supporting portions made of rubber elastic bodies, are inserted into mounting holes in side plate portions of the mounting plate portion. The damper main body is fixed on a mating plate member through the compressed grommets such that it is floated over the mating plate member.

REFERENCES:
patent: 4744547 (1988-05-01), Hartel
patent: 5505282 (1996-04-01), Olgac
patent: 2936989 (1999-06-01), None
patent: 2002-31188 (2002-01-01), None

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