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Method and apparatus for servicing a pressurized system

  • US 6,539,970 B1
  • Filed: 10/21/1999
  • Issued: 04/01/2003
  • Est. Priority Date: 10/21/1999
  • Status: Expired due to Fees
First Claim
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1. A coupling member comprising:

  • a body having a first end engageable with a first valve, a second end having a moveable control member, an inner surface defining an interior chamber, and a port in fluid communication with the interior chamber;

    a pusher disposed in the interior chamber and in contact with the control member, the pusher having a valve actuation portion extending toward the first end of the body and being movable by the control member from a valve closed position to a valve open position; and

    a pin depressor proximate to the port having a first position oriented closer to the interior chamber relative to a second position which is closer to the port, the pin depressor being adapted to actuate a second valve when the second valve is positioned within the port, the pin depressor moving from the first position to the second position when the first valve is engaged with the first end of the body and the pusher is moved from the valve closed position to the valve open position, and the pin depressor being in the first position when the first end of the body is not engaged with the first valve and the pusher is moved from the valve closed position to the valve open position.

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