Reduction in cutting inefficiency of a sickle cutter system
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United States of America Patent
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Aug 25, 2015
Grant Date -
Aug 1, 2013
app pub date -
Jan 17, 2013
filing date -
Jan 18, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
In a sickle cutting system, it has been found that a significant decrease in cutting inefficiency, which is measured by calculating the area of the cutting process where crop is not immediately cut but is instead pushed forwardly by engagement with a surface of the system, can be obtained by a combination of one or more of the features where the cutting stroke is reduced from the conventional length of 3.0 inches to a value of the order of 2.0 inches; the length of the cutting edge of each knife blade is increased to a length greater than 2.2 inches; the width at the rear of the ledger surface of each guard is increased to greater than 1.0 inches; and the front edge of the blade is formed with an apex to shed crop material to one or other side of the apex.
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