Load transfer means

Claim 1

MEANS FOR TRANSFERRING A LOAD BETWEEN A VEHICLE AND A RACK, COMPRISING MEANS FOR SHIFTING A LOAD SUBSTANTIALLY HORIZONTALLY ON SAID VEHICLE, POWER DRIVEN REVERSIBLE MEANS FOR ACTUATING SAID LOAD-SHIFTING MEANS, MEANS FOR SHIFTING A LOAD SUBSTANTIALLY HORIZONTALLY ON SAID RACK, A DETACHABLE DRIVE-TRANSMITTING CONNECTION BETWEEN SAID RESPECTIVE LOAD-SHIFTING MEANS FOR OPERATING THE SAID LOADSHIFTING MEANS IN THE SAME DIRECTION, SAID DRIVE-TRANSMITTING CONNECTION INCLUDING A ROTATABLE MEMBER ON EACH OF SAID VEHICLE AND RACK, EACH ROTATABLE MEMBER HAVING A DRIVE CONNECTION WITH THE ASSOCIATED LOAD-SHIFTING MEANS AND EXTENDING PARALLEL TO THE DIRECTION IN WHICH A LOAD IS SHIFTED ON SAID LOAD-SHIFTING MEANS, AND RELEASABLY INTERFITTING NON-CIRCULAR SOCKET AND MALE DRIVE TRANSMITTING PARTS CARRIED BY THE FREE ENDS OF SAID ROTATABLE MEMBERS SAID CONVEYING MEANS BEING MOVABLE BODILY SUBSTANTIALLY HORIZONTALLY ON SAID VEHICLE IN A GUIDED PATH SIDEWISE OF SAID VEHICLE BY SAID POWER DRIVE REVERSIBLE MEANS AND INCLUDING A SET OF PARALLEL ROLLERS CONNECTED FOR SIMULTANEOUS ROTATION IN THE SAME DIRECTION, AND REVERSIBLE POWER ACTUATED MEANS FOR DRIVING ONE OF SAID DRIVE TRANSMITTING PARTS.