Seismic main beam connection
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United States of America Patent
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Sep 7, 2010
Grant Date -
Sep 10, 2009
app pub date -
Mar 6, 2008
filing date -
Mar 6, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
In a suspended ceiling for earthquake prone locations, a line of seismic main beam connections of the invention between main beams separates the ceiling into segments that move independently of each other during a quake, to limit a build-up in ceiling momentum. A slotted fishplate in the connection is set to keep the beam ends stable about a gap before a quake, and slidably connected about the gap during a quake.
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