Vibration damping device and manufacturing method thereof
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United States of America Patent
Stats
-
Sep 20, 2011
Grant Date -
Jan 8, 2009
app pub date -
Jul 3, 2008
filing date -
Jul 4, 2007
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vibration damping device including a hollow housing having a fastening frame and a housing main body attached to the fastening frame for providing the hollow housing enclosing a mass member. With the housing main body inserted between top and base plate portions through an opening in the fastening frame, an urging force of a first spring projection is directed against the housing main body from one of the top base plate portions towards the other thereby holding the housing main body pressed against the other of the top and base plate portions, while an urging force of a second spring projection is directed against the housing main body towards the opening side from a back plate portion causing the housing main body to become engaged by a catch projection, for attaching the housing main body to the fastening frame and preventing it from slipping out through the opening of the fastening frame.
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