Earthquake-proof latch mechanism
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United States of America Patent
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Nov 8, 2016
Grant Date -
Aug 27, 2015
app pub date -
Oct 29, 2013
filing date -
Apr 11, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
An earthquake-proof latch mechanism includes a case body, a hook member which is swingably supported on the case body, and a pendulum member which is vibratably suspended and supported on the case body. The hook member includes a hook on one side of a swinging shaft and a pendulum engagement portion on the other side of the swing shaft. A through hole is formed in the pendulum engagement portion. The pendulum member is disposed to penetrate the through hole, and a peripheral surface of the pendulum member facing the through hole is formed into a tapered shape. The peripheral surface pushes up the inner periphery of the through hole to swing the hook member when the pendulum member vibrates. Thus, the earthquake-proof latch mechanism is made compact.
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