Supporting structure for belt conveyor

Claim 1

A RETURN ROLLER ASSEMBLY FOR SUPPORTING THE RETURN REACH OF A CONVEYOR BELT IN A BELT CONVEYOR OF THE TYPE HAVING A PAIR OF SPACED, GENERALLY PARALLEL SIDEFRAMES EXTENDING ALONG A CONVEYOR COURSE, MEANS FOR SUPPORTING THE SIDEFRAMES, AND A PLURALITY OF TROUGHING IDLER ASSEMBLIES CARRIED BY THE SIDEFRAMES AND SUPPORTING THE CONVEYING REACH OF THE CONVEYOR BELT, SAID RETURN ROLLER ASSEMBLY BEING EFFECTIVE TO TRAIN THE RETURN REACH IRRESPECTIVE OF, FIRSTLY, THE DIRECTION OF THE MOVEMENT OF THE RETURN REACH AND SECONDLY, THE BEHAVIOR OF THE CONVEYING REACH OF THE BELT, SAID RETURN ROLLER ASSEMBLY INCLUDING, IN COMBINATION, A RETURN ROLLER, AND MEANS FOR SUSPENDING THE RETURN ROLLER FROM THE CONVEYOR SIDEFRAMES, SAID SUSPENDING MEANS INCLUDING A PAIR OF ELONGATED CONNECTORS, EACH ELONGATED CONNECTOR BEING UNIVERSALLY CONNECTED TO AN ASSOCIATED END OF THE RETURN ROLLER AND HAVING A UNIVERSAL CONNECTION ENGAGEABLE WITH AN ASSOCIATED CONVEYOR SIDEFRAME AT A LOCATION REMOTE FROM THE NEAREST TROUGHING IDLER ASSEMBLY, TO THEREBY ENABLE THE RETURN ROLLER TO BE ORIENTED INTO A BELT TRAINING POSITION IN RESPONSE TO THE PASSAGE OF A BELT THEREOVER IN A DETRAINED CONDITION, SAID ELONGATED CONNECTORS, WHEN NOT UNDER THE INFLUENCE OF A DETRAINED CONVEYOR BELT PASSING THEREOVER, BEING ORIENTED IN A VERTICAL PLANE TRANSVERSE TO THE CONVEYOR COURSE.