Patent ID: 7273237

Claim:
A union coupler assembly comprising: a coupler body having a first end and a second end wherein a passageway extends between said first end and said second end; first and second tapered annular grooves formed in said coupler body; first and second snap rings at least partially disposed within each of said first and second tapered annular grooves, respectively; a first coolant line end portion having an annular groove formed therein for receiving one of said snap rings, and said first coolant line end portion having a tapered end; a second coolant line end portion having an annular groove formed therein for receiving the other of said snap rings, and said second coolant line end portion having a tapered end; said first and second coolant line end portions movable between an engaged position, wherein one of said first and second snap rings engages said groove in said first or second coolant line end portion and the other of said first and second snap rings engages said groove in the other of said first or second coolant line end portion, and a disengaged position, wherein neither of said snap rings engages said groove in said first or second coolant line end portion; and said tapered end of said first coolant line end portion abutting said tapered end of said second coolant line end portion when said first coolant line end portion and said second coolant line end portion are in said engaged position to prevent inward movement of said first coolant line end portion and said second coolant line end portion.