Remote release apparatus and method for lifting and releasing a load
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United States of America Patent
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Jun 3, 2008
Grant Date -
Apr 27, 2006
app pub date -
Oct 24, 2005
filing date -
Oct 25, 2004
priority date (Note) -
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Abstract
A method and apparatus suspend a load on an arcuate shaped lift arm, which is attached to a body of a lifting apparatus in such a manner that the lift arm is movable with respect to the body of the apparatus along an arc, for selectively engaging and disengaging the load. The lift arm is locked against movement while the lift arm is supporting the load, and a remote release apparatus is provided for moving the lift arm along the arc. A second locking apparatus selectively locks the lift arm in place along the arc at an open position of the apparatus. The lifting apparatus may also include one or more remote release apparatuses, in combination with other elements such as a spreader bar, slings, and control elements.
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