Engagement chain
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United States of America Patent
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Aug 6, 2013
Grant Date -
May 5, 2011
app pub date -
Oct 27, 2010
filing date -
Nov 5, 2009
priority date (Note) -
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Abstract
The invention provides a pair of engagement chains which has inner tooth plates, bushes, outer tooth plates and connecting pins and is integrated by engaging hook portions of the inner tooth plates and hook portions of the outer tooth plates and is branched by disengaging the hook portions of the inner tooth plates and the hook portions of the outer tooth plates. The pair of engagement chains further includes inflection restricted plates having inflection restricted surfaces and inflection restricting plates having inflection restricting portions that are connected on the both ends of the connecting pins.
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