Anchoring harpoon intended in particular for an aircraft and anchoring system including one such harpoon
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United States of America Patent
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May 20, 2014
Grant Date -
Mar 22, 2012
app pub date -
Jan 19, 2010
filing date -
Apr 3, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
An anchoring harpoon intended in particular for an aircraft, capable of cooperating with an anchoring grate of a platform, includes jack elements including a cylinder element containing mobile piston elements provided with a rod that extends beyond the cylinder element, the free end of which includes a harpoon head (7) that is hooked in the grate and includes retaining fingers (8, 13, 14) that can be moved between a retracted position and an active position by control elements (9). The control element (9) for controlling the movements of the fingers include a control piston (18) which can slide inside the rod of the jack and which is associated with a bistable actuator (19) of the fingers, capable of moving between a retracted position and an active position in which the fingers are deployed with the application of successive pressure pulses in the jack elements.
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