Bridge plate cushioned locking device

Claim 1

IN A RAILWAY CAR OF THE FLAT DECK AND LOW SIDE TYPE HAVING BRIDGE PLATES HINGEDLY MOUNTED AT DIAGONALLY OPPOSITE ENDS OF SAID CAR, THE PROVISION OF A BRIDGE PLATE LOCKING MEANS FOR RESILIENTLY MAINTAINING SAID BRIDGE PLATE IN THE UPRIGHT POSITION DURING PERIODS OF NON-USE, SAID LOCKING MEANS INCLUDING A FIRST ELASTOMERIC MOUNTING MEANS JOINED TO SAID CAR ALONG ONE MARGINAL EDGE, AN ANCHOR PLATE JOINED TO SAID ELASTOMERIC MOUNTING MEANS FOR LIMITING MOVEMENT RELATIVE TO SAID CAR, A TIE BAR HAVING ONE END PIVOTALLY JOINED TO SAID ANCHOR PLATE AND EXTENDING ANGULARLY UPWARD TOWARDS THE CENTRAL PORTION OF SAID BRIDGE PLATE, A SECOND ELASTOMERIC MOUNTING MEANS JOINED TO SAID BRIDGE PLATE, A LOCKING PLATE JOINED TO THE SAID ELASTOMERIC MOUNTING MEANS TO RESILIENTLY MOUNT SAID LOCKING PLATE ON SAID BRIDGE PLATE TO MOVEMENT RELATIVE THERETO, AND A LOCKING PIN RELEASABLY JOINING THE OTHER END OF SAID TIE BAR TO SAID LOCKING PLATE WHEREBY SAID BRIDGE PLATE WILL BE RESILIENTLY HELD IN AN UPRIGHT POSITION.