Retractable door bumper

Claim 1

IN A COMBINATION, A STRUCTURE FORMED WITH A DOOR OPENING HAVING A VERTICAL SIDE, A DOOR POSITIONED IN SAID OPENING, SAID DOOR HAVING FIRST AND SECOND VERTICAL SIDE MEMBERS, SAID FIRST DOOR SIDE MEMBER BEING HINGED ON THE STRUCTURE ADJACENT TO SAID SIDE OF THE DOOR OPENING, SAID DOOR BEING HOLLOW AND HAVING OUTER AND INNER PANELS CONNECTED TO SAID FIRST AND SECOND SIDE MEMBERS, SAID OUTER PANEL AND SAID SECOND SIDE MEMBERS BEING FORMED WITH A HORIZONTAL OPENING, A BUMPER COMPRISING AN OPENSIDED HOUSING ECCENTRICALLY PIVOTED ON THE DOOR BETWEEN THE PANELS TO PIVOT ON A VERTICAL AXIS, A COMPRESSIBLE AND RESILIENT BODY SECURED IN AND REACHING OUT OF THE HOUSING, SAID BUMPER BEING ADAPTED TO OCCUPY A RETRACTED POSITION WITHIN THE DOOR IN THE CLOSED POSITION OF THE DOOR AND TO OCCUPY AN EXTENDED POSITION WHILE THE DOOR IS IN OPEN POSITION WHEREIN THE BLOCK EXTENDS LATERALLY OUTWARDLY OF THE DOOR THROUGH SAID OPENING, AND OPERATING MEANS MOUNTED WITHIN THE DOOR AND CONNECTED TO THE BUMPER HOUSING FOR RETRACTING AND EXTENDING THE BUMPER, SAID OPERATING MEANS COMPRISING A FIRST HORIZONTAL ROD HAVING ONE END WORKING THROUGH SAID FIRST DOOR SIDE MEMBER FOR OPERATIVE CONTACT WITH THE SIDE OF THE DOOR OPENING, A LEVER PIVOTED INTERMEDIATE ITS ENDS ON ONE OF THE DOOR PANELS AND CONNECTED AT ITS LOWER END TO SAID FIRST ROD, A SECOND HORIZONTAL ROD CONNECTED AT ONE END TO THE UPPER END OF THE LEVER AND AT ITS OTHER END TO THE BUMPER HOUSING, AND A SPRING CONNECTED TO AND STRETCHED BETWEEN THE UPPER PART OF THE LEVER AND THE SECOND SIDE MEMBER OF THE DOOR, A DASH-POT FIXED TO SAID FIRST DOOR SIDE MEMBER WITHIN THE DOOR, SAID DASH-POT BEING TRAVERSED BY SAID FIRST ROD, SAID FIRST ROD HAVING A PISTON FIXED THEREON AND WORKING IN SAID DASH-POT.