Electric plug connection

Claim 1

An electrical plug connector comprising: a first plug member mounted in a first housing member, a second plug member adapted to mate with said first plug member and mounted in a second housing member, housing closure means movably supported on said first housing member and engageable with a closure element mounted on said second housing member, the engagement between said closure means and said closure element being secured by the biasing action of an elastic means interposed between the housing members, a first shaft slidably received in a mounting slot in one of said housing members, a second shaft supported in the other housing member, said closure means including a gripping tongue rotatably mounted on one of said shafts, having a rounded end portion forming a hook engageable with the other of said shafts, said rounded portion embracing said other shaft by more than 90* when said gripping tongue engages said other shaft, a set screw threadedly coupled to said first shaft at one end of said set screw and threadedly coupled to the housing member in which said first shaft is received at the other end of said set screw, the threads at said one end being opposite handed from the threads at said other end, and adjusting means intermediate the ends of said set screw for rotating said set screw, whereby turning of said adjusting means changes the position of said first shaft in said mounting slot and thereby adjusts the distance between said first and second shafts.