Pin latch with detection device and movable catch-pin and intermediate position with automatic return mechanism
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United States of America Patent
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Dec 20, 2016
Grant Date -
Jan 22, 2015
app pub date -
Aug 18, 2014
filing date -
Dec 2, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A pin latch includes a guide block, a handle having a trigger, and a shear pin housed slidably within the guide block and connected to the handle. The shear pin includes a catch-pin engageable by the trigger, and is slidable between an engageable position and a disengageable position when the handle is moved from a closed position to an open position. Alternately, the pin latch includes a bracket connected to the shear pin and includes a catch-pin, and the handle is moveable to an intermediate position, such that a trigger is disengaged from the catch-pin and the shear pin engages a stop pin. A guide block spring acts on the stop pin to retain releasably the handle in its intermediate position. The guide block includes a finger and the shear pin includes a groove sized and shaped to receive the finger when the pin latch is in an unlatchable position.
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