QRC痴 that use this particular connection technology, which includes also other similar types such as:
Single-acting sleeve free to axially retract and free push, the sleeve of the female part is designed to enable it to operate a double effect: in fact, being equipped with a double housing for the connection spheres,it can be used both pushing that pulling the male coupler into the female coupler.
One of the prevalent application is the agricultural machinery industry, that have been adopting
this connection technology for several decades now.