Means for anchoring merchandise carrying racks within transport vehicles

Claim 1

THE COMBINATION WITH A TRANSPORT VEHICLE HAVING A LONGITUDINALLY EXTENDING ELONGATED STORAGE CHAMBER PROVIDED WITH A LOAD-SUSTAINING FLOOR AND PROVIDED ABOVE SAID FLOOR WITH OPPOSED SUBSTANTIALLY PARALLEL LONGITUDINALLY EXTENDING UPRIGHT SIDE WALLS; OF HORIZONTALLY OPPOSED HORIZONTALLY EXTENDING RAILS RESPECTIVELY SECURED TO AND EXTENDING ALONG SAID OPPOSED SIDE WALLS IN SUBSTANTIALLY PARALLEL RELATION THERETO AND CONSTITUTING ANCHORAGE MEANS FOR TRANSVERSELY EXTENDING ELONGATED PORTABLE MERCHANDISE CARRYING RACKS SHIFTABLY SUPPORTED UPON SAID FLOOR, EACH OF SAID RAILS HAVING AN UPRIGHT PLATE-LIKE PORTION SPACED FROM AN ADJACENT UPRIGHT SIDE WALL AND PROVIDED WITH LONGITUDINALLY SPACED UPWARDLY OPENING VERTICALLY EXTENDING RELATIVELY NARROW ELONGATED SLOTS TO RECEIVE PORTIONS OF HORIZONTALLY PROJECTING RIGID ANCHORING MEMBERS ON SAID RACKS AT OPPOSITE ENDS THEREOF WHEN SAID RACKS ARE INTENTIONALLY MOVED DOWNWARD IN A VERTICAL DIRECTION RELATIVE TO SAID RAILS TO BE SUPPORTED UPON THE FLOOR OF SAID STORAGE CHAMBER, SAID SLOTS HAVING LOWER PORTIONS PROVIDED WITH OPPOSED SPACED SUBSTANTIALLY PARALLEL UPRIGHT EDGES ALTERNATELY ENGAGEABLE BY THE PORTIONS AFORESAID OF SAID HORIZONTALLY PROJECTING RIGID ANCHORING MEMBERS TO LIMIT HORIZONTAL SHIFTING MOVEMENT OF SAID RACKS IN A DIRECTION LENGTHWISE OF SAID STORAGE CHAMBER WHEN SAID RACKS ARE SUPPORTED UPON THE FLOOR OF SAID STORAGE CHAMBER, SAID SLOTS HAVING UPPER PORTIONS PROVIDED WITH OPOSED UPRIGHT EDGES SPACED CLOSER TOGETHER THAN THE OPPOSED SUBSTANTIALLY PARALLEL UPRIGHT EDGES AFORESAID SO THAT HORIZONTALLY OPPOSED SPACED SHOULDERS ARE PROVIDED BETWEEN THE OPPOSED UPRIGHT EDGES OF THE UPPER PORTIONS OF SAID SLOTS AND THE OPPOSED SUBSTANTIALLY PARALLEL UPRIGHT EDGES OF THE LOWER PORTIONS OF SAID SLOTS, THE UNDERSIDES OF SAID SHOULDERS BEING CURVED UPWARDLY FROM THE UPPER ENDS OF THE OPPOSED SUBSTANTIALLY PARALLEL UPRIGHT EDGES OF THE LOWER PORTIONS OF SAID SLOTS TO THE LOWER ENDS OF THE OPPOSED CLOSER UPRIGHT EDGES OF THE UPPER PORTIONS OF SAID SLOTS, THE CURVED UNDERSIDES OF SAID SHOULDERS BEING OPERABLE AS GUIDES TO FACILITATE MOVEMENT OF THE PORTIONS AFORESAID OF SAID HORIZONTALLY PROJECTING RIGID ANCHORING MEMBERS FROM BENEATH SAID SHOULDERS TO THE UPPER PORTIONS OF SAID SLOTS DURING INTENTIONAL UPWARD MOVEMENT OF SAID RACKS, AND SAID CURVED UNDERSIDES OF SAID SHOULDERS BEING OPERABLE AS STOPS TO PREVENT MOVEMENT OF THE PORTIONS AFORESAID OF SAID HORIZONTALLY PROJECTING RIGID ANCHORING MEMBERS FROM BENEATH SAID SHOULDERS TO THE UPPER PORTIONS OF SAID SLOTS DURING ACCIDENTAL UPWARD TILTING MOVEMENT OF SAID RACKS RESULTING FROM HORIZONTAL SHOCK LOADS TO WHICH THE RACKS ARE SUBJECTED WHILE IN TRANSIT.