Latching system and method for pressure chambers
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United States of America Patent
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Sep 5, 2006
Grant Date -
Jul 28, 2005
app pub date -
Jun 10, 2004
filing date -
Jun 13, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A latching mechanism for a pressure chamber for hypobaric use is disclosed. The mechanism includes one or more pin modules positioned on a periphery of a door of the pressure chamber, the door being adapted to open into the chamber and abut a frame of the pressure chamber when the door is in a closed position. The mechanism further includes an actuator for selectively engaging or disengaging the pin with the frame. The pin module may include a pin adapted to be selectively positioned in an engaged or a disengaged position. The pin in the engaged position extends from the door to the frame of the pressure chamber, thereby preventing the door from opening into the chamber. The pin module includes a cylinder for actuating the pin. The cylinder may be a pneumatic cylinder operated with pneumatic pressure. The pneumatic cylinder of each of the pin modules may be centrally actuated.
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