Multiple boom for excavators
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United States of America Patent
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Jun 23, 2009
Grant Date -
Jul 12, 2007
app pub date -
Apr 24, 2004
filing date -
May 10, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
The invention is directed to an articulated joint between the back boom and the main boom of a multiple boom for an excavator so that it: permits a sufficiently wide angle of movement between both parts of the boom, permits maximum boom reach, and is in a position to accept high forces, all while also providing a cost-saving design.
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