Method for actuating a hydraulically movable working element of a working equipment, and a working equipment
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United States of America Patent
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Sep 2, 2014
Grant Date -
Dec 13, 2012
app pub date -
Jun 7, 2011
filing date -
Jun 11, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a method and to a working equipment for actuating a hydraulically movable working element (24), which is provided on a main body (14) of a working equipment (11), comprising at least one main cylinder (19) and at least one additional cylinder (28), which are supplied with pressure medium to generate a pivoting movement, wherein the pivoting movement in the rapid motion mode is actuated in a first working pressure range of the hydraulic control device (32), the pivoting movement in a working motion mode is actuated in a second working pressure range, which is higher than the first working pressure range, the pivoting movement in the heavy load motion mode is actuated in a third working pressure range, which is higher than the first and second working pressure ranges, and the pivoting movement of the working element (24) in the operating modes of rapid motion, working motion or heavy load motion is actuated in accordance with the prevailing working pressure.
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