Patent ID: 7909365

Claim:
A coupling for use in a fluid system, comprising: (a) a collar having at least one collar handle and at least one engagement member to facilitate engagement of said collar and a sleeve, said sleeve defining a pin aperture and at least one groove about the outer surface of said sleeve, said pin aperture comprising at least one notch in the side of said at least one groove, said at least one notch being substantially in the shape of a “J”; and (b) a locking mechanism configured to prevent axial rotation of said collar relative to said sleeve, said locking mechanism having a selectively movable pin handle adjacent said at least one collar handle, said locking mechanism further comprising a pin coupled to said pin handle, said locking mechanism pin being adapted to be received within said pin aperture of said sleeve, wherein said locking mechanism pin engages an end of a “hook” portion of said “J” shaped groove to prevent axial rotation of said collar relative to said sleeve.