Patent ID: 7611291

Claim:
A method of assembling a coupling arrangement, the method comprising: providing a coupling housing including a sleeve extending from a first end to a second end, each end of the coupling housing defining a sleeve opening; obtaining a connection piece having an inner surface; coupling a leaf spring to the connection piece, the leaf spring being moveable within the connection piece from a first position to a second position, the leaf spring being planar when moved into the second position, the leaf spring including wings that extend from the leaf spring over the inner surface of the connection piece to secure the leaf spring to the connection piece, wherein the wings include tabs that are coplanar therewith, and wherein the wings define cutouts between the leaf spring and the tabs such that the tabs are coupled to the leaf spring by reduced width planar extensions; and coupling the connection piece to the first end of the coupling housing at the sleeve opening, wherein the leaf spring covers the sleeve opening at the first end when the leaf spring is arranged in the first position.