Connectors

Claim 1

APPARATUS FOR CONNECTING FIRST AND SECOND MEMBERS FOR FOR CONCURRENT ROTATION WHEREIN SAID FIRST MEMBER HAS WALL MEANS DEFINING A POLYGONAL OPENING EXTENDING INWARDLY FROM AN ENTRANCE AT ONE END THEREOF, AND WHEREIN SAID SECOND MEMBER INCLUDES A SHANK PORTION HAVING A CROSS SECTION SUBSTANTIALLY IDENTICAL TO AND SLIGHTLY SMALLER THAN THE CROSS SECTION OF SAID POLYGONAL OPENING TO PERMIT SAID SHANK PORTION TO SLIDE FREELY INTO THE OPENING OF SAID FIRST MEMBER, SAID APPARATUS COMPRISING A CAM SURFACE FORMED ON SAID SHANK PORTION OF THE SECOND MEMBER, SAID CAM SURFACE HAVING A PLANAR PORTION FACING A FLAT SURFACE OF SAID WALL MEANS OF THE FIRST MEMBER WHEN THE SHANK PORTION IS DISPOSED IN SAID OPENING, THE PLANAR PORTION OF SAID CAM SURFACE SLOPING TOWARD SAID FLAT SURFACE OF THE WALL MEANS IT FACES IN A DIRECTION AWAY FROM THE ENTRANCE OF THE OPENING, ROLLER MEANS POSITIONABLE IN ROLLING CONTACT WITH SAID CAM SURFACE AND ENGAGEABLE THEREWITH AND WITH THE FLAT SURFACE OF SAID WALL MEANS OF THE FIRST MEMBER FACING THE CAM SURFACE, THE PLANAR PORTION OF SAID CAM, SURFACE BEING SLOTTED, SAID SECOND MEMBER HAVING AN AXIAL BORE INTERSECTING SAID SLOT, SAID ROLLER MEANS BEING SO POSITIONED ON SAID CAM SURFACE TO PERMIT FREE INSERTION OF SAID SHANK PORTION INTO SAID OPENING WHILE COACTING WITH SAID CAM SURFACE AND SAID WALL MEANS TO PREVENT REMOVAL OF SAID SHANK PORTION FROM SAID OPENING, SAID AXIAL BORE AND SAID SLOTTED CAM SURFACE BEING ALIGNED FOR INSERTION OF A TOOL FOR SECURING SAID ROLLER AGAINST SAID CAM SURFACE TO PERMIT REMOVAL OF SAID SHANK PORTION OF THE SECOND MEMBER FROM THE OPENING OF THE FIRST MEMBER.