Transporting equipment for containers

Claim 1

IN TRANSPORTING EQUIPMENT OF THE CHARACTER DESCRIBED, THE COMBINATION WITH A CONTAINER HAVING A PLURALITY OF BAIL MEMBERS SPACED AT INTERVALS ALONG THE LENGTH OF THE BOTTOM THEREOF, OF A SUPPORTING FRAME, MEANS FOR MOUNTING THE FRAME ON A VEHICLE CHASSIS FOR SWINGING MOVEMENT TO RAISED AND LOWERED POSITIONS, A HOOK DEVICE, MEANS FOR OPERATING THE HOOK DEVICE IN SUCCESSIVE AND STEP-BY-STEP ENGAGEMENT WITH THE BAIL MEMBERS ON THE CONTAINER, MEANS MOUNTING THE HOOK DEVICE ON THE SUPPORTING FRAME FOR SWINGING MOVEMENT WITH THE SUPPORTING FRAME AND FOR RECIPROCATING MOVEMENT RELATIVE THERETO, SAID HOOK DEVICE INCLUDING A BAR HAVING A PAIR OF OPPOSED HOOKS IN POSITION FOR ALTERNATE ENGAGEMENT WITH THE BAIL MEMBERS, AND A SHUTTLE MOUNTED ON THE BAR BETWEEN THE OPPOSED HOOKS FOR CONTROLLING ENGAGEMENT OF THE HOOKS WITH THE BAIL MEMBERS.