Rotary damper and method for manufacturing rotary damper
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United States of America Patent
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-
Aug 18, 2009
Grant Date -
Aug 23, 2007
app pub date -
Jun 8, 2004
filing date -
Sep 25, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
Described is a rotary damper comprising a partition wall to partition space formed between a rotor and a housing to house said rotor and to form a fluid chamber to be fluid-filled; and a vane to be disposed in said fluid chamber; and a plug to close an opening of said housing; wherein said plug has a flange to be used for mounting which protrudes from an outer circumferential surface of said plug and a stepped portion to enable part of a roller caulking an edge of said opening of said housing to revolve and travel along a peripheral edge of said housing so that said plug having said flange is coupled to said housing by caulking an edge of said opening of said housing.
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