Seal chain
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United States of America Patent
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Dec 10, 2013
Grant Date -
Oct 27, 2011
app pub date -
Apr 4, 2011
filing date -
Apr 27, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
In a seal chain, a seal mechanism comprises a pair of mutually facing seal members, a first seal member of the pair being in contact with an inner plate of the chain, and a second seal member of the pair being in contact with an outer plate of the chain. A pair of resilient annular lips formed on the first seal member are in sliding contact with a surface of the second seal member. Each sealing member has lubricant-filled grooves facing the plate with which it is in contact.
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