Hydraulic grapple assembly with side rotation mechanism
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United States of America Patent
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Feb 2, 1999
Grant Date -
N/A
app pub date -
Jan 7, 1997
filing date -
Jan 7, 1997
priority date (Note) -
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Abstract
A hydraulic grapple assembly couples to a link pivot and to a dipper pivot of an arm of an equipment. The assembly includes a grapple having a fixed jaw and a movable jaw. The fixed jaw extends in a direction substantially parallel to an imaginary line drawn between the link pivot and the dipper pivot when the grapple assembly is coupled to the arm. A distal end of the fixed jaw is positioned closer to the link pivot than to the dipper pivot when the grapple is coupled to the arm. The movable jaw has a proximal end coupled to a proximal end of the fixed jaw by an articulation. A hydraulic grapple actuator moves a distal end of the movable jaw between open and closed positions relative to a distal end of the fixed jaw. The grapple assembly can include a hydraulic swinger mechanism that rotates the grapple about an axis that is approximately aligned with the imaginary line through the dipper pivot and the link pivot.
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