Patent ID: 7575024

Claim:
A coupling, comprising: a female coupling half and a male coupling half, said female coupling half and said male coupling half being alternately coupled and uncoupled; said male coupling half comprises: a male body; said male body of said male coupling half includes an exterior; said exterior of said male body of said male half includes a recess therein which extends circumferentially around said exterior; and, a male valve, said male valve includes a cap affixed to said male valve, said cap includes a flush faced end surface; said female coupling half comprises: a female valve, said female valve includes a flush faced end surface; a female body; a female body extension affixed to said female body of said female coupling half; a sliding sleeve movable with respect to said female body, said female body extension and said female valve; said sliding sleeve movable between: a first position abutting said female valve and closing said female valve, and, a second position not abutting said female valve thus opening said female valve; said male body of said male coupling half interengaging said sliding sleeve of said female coupling half during coupling moving said sliding sleeve from said first closed position to said second open position; simultaneously with said interengagement of said body of said male coupling half and said sliding sleeve of said female coupling half, said flush faced end surface of said female valve of said female coupling half interengages said flush faced end surface of said cap of said male coupling half during coupling; said sliding sleeve of said female coupling half includes a first set of detents carried therewith; said first set of detents of said sliding sleeve of said female coupling half interengaging said circumferentially extending recess in said exterior of said male body during coupling of said coupling halves; and, said first set of detents being released from interengagement with said circumferentially extending recess in said exterior of said male body of said male coupling half during uncoupling said halves each from the other and after said sliding sleeve is moved to said first position abutting said valve of said female coupling half.