Container transfer arrangement and transfer devices therefor

Claim 1

IN COMBINATION, A PAIR OF VEHICLES EACH ADAPTED FOR TRANSPORTATION OF CONTAINER-TYPE LADING, SAID VEHICLES INCLUDING A LADING TRANSFER ARRANGEMENT FOR CONTROLLED MOVEMENT OF LADING BETWEEN SAID VEHICLES, SAID LADING TRANSFER ARRANGEMENT COMPRISING LADING ENGAGEMENT AND MOVEMENT MEANS AND A PAIR OF SEPARATE SERIES OF LONGITUDINALLY ALIGNED ROLLERS FOR LADING SUPPORT AND MOVEMENT OVER AND BETWEEN SAID VEHICLES, ONE OF SAID ROLLER SERIES AND SAID LADING ENGAGEMENT AND MOVEMENT MEANS BEING CARRIED BY ONE OF SAID VEHICLES WITH SAID ROLLER SERIES PROJECTING VERTICALLY ABOVE A TOP SURFACE PORTION OF SAID ONE VEHICLE, THE OTHER OF SAID ROLLER SERIES BEING POSITIONED ALONG A LADING SUPPORTING SURFACE OF THE OTHER OF SAID VEHICLES AND SUPPORTED BY SAID OTHER VEHICLE AND EXTENDING THEREON AS A SEPARABLE INDEPENDENT SERIES BUT IN THE OPERATIVE COMBINATION OF SAID VEHICLES CONSTITUTING A CONTINUATION OF SAID FIRST ROLLER SERIES, SAID OTHER ROLLER SERIES INCLUDING A PLURALITY OF VERTICALLY PIVOTAL ROLLER ASSEMBLIES ARRANGED FOR MOVEMENT INTO AND OUT OF VERTICALLY PROJECTING RELATION RELATIVE TO THE LADING SUPPORTING SURFACE OF SAID OTHER VEHICLE, OPERATING MEANS FOR SAID OTHER ROLLER SERIES CARRIED BY SAID ONE VEHICLE, AND MEANS DETACHABLY INTERCONNECTING SAID OPERATING MEANS AND EACH OF THE ROLLER ASSEMBLIES OF SAID OTHER ROLLER SERIES FOR RAISING AND LOWERING THE SAME AS CONTROLLED FROM SAID ONE VEHICLE, SAID OPERATING MEANS AND INTERCONNECTING MEANS BEING OPERABLE IN A DIRECTION TOWARD SAID ONE VEHICLE TO RAISE AND FORCIBLY TIE IN SAID OTHER ROLLER SERIES WITH SAID ONE ROLLER SERIES DURING LADING TRANSFER.