Patent ID: 6217080
Filing Date: 2001-04-17
Classification: F16L,Y10S,Y10T

Abstract:
A coupling assembly for fluid transfer use, comprising:a housing (1)a socket member (15) engaged to the housing (1) having a valve which is opened when pushed,a cylindrical slider (25) slidably engaged between said housing (1) and said socket member (15)the cylindrical slider (925) having a piston (28) at a first end;a shaft housing (5) mounted on an outside of the housing (1) having an air supply port (7) supplying pressurized air to a front and a rear side the piston (28);a shaft (6) slidably engaged in the shaft housing (5) to selectively deliver the pressurized air to said front and rear side of the piston to drive the piston back and forth; anda plug member slidably engaged to engaging means in a second end of the cylindrical slider; wherein when said plug member is engaged in said cylindrical slider and the shaft is slid to deliver the pressurized air to the rear side of the piston the plug member engages and opens the valve in said socket to deliver fluid through the socket and the plug member.