Journal box lid with sealing and venting means

Claim 1

THE COMBINATION WITH A RAILWAY CAR JOURNAL BOX HAVING AN ACCESS OPENING SURROUNDED BY AN OUTWARDLY FACING RIM, OF A SHALLOW DISHED CLOSURE PLATE HINGED TO SAID JOURNAL BOX AND HAVING A MARGINAL RIM FLANGE AND A CONTINUOUS INWARDLY OPENING MARGINAL RECESS CONFORMING IN OUTLINE TO THE OUTLINE OF SAID RIM AND DISPOSED IMMEDIATELY INSIDE THE RIM FLANGE SO THAT THE FLANGE CONSTITUTES THE OUTER BOUNDARY OF THE RECESS, SAID CLOSURE PLATE BEING MOVABLE BODILY BETWEEN AN OPEN POSITION WHEREIN IT IS REMOTE FROM AND OUT OF REGISTER WITH SAID ACCESS OPENING AND A CLOSED POSITION WHEREIN IT EXTENDS ACROSS SAID ACCESS OPENING WITH SAID MARGINAL RIM FLANGE ENCOMPASSING THE RIM OF THE ACCESS OPENING AND THE RECESS IN REGISTER WITH SAID RIM, A CONTINUOUS FLAT MARGINAL SEALING GASKET IN THE FORM OF A LOOP, FORMED OR RESILIENT MATERIAL, REMOVABLY DISPOSED IN AND COEXTENSIVE WITH THE MARGINAL RECESS AND LYING, FOR THE MOST PART, WITHIN THE CONFINES OF THE LATTER, SAID RIM FLANGE BEING FORMED WITH A SERIES OF SLOTS THERETHROUGH LYING SUBSTANTIALLY IN THE PLANE OF THE BOTTOM WALL OF THE RECESS, AND A SERIES OF TONGUES, ONE FOR EACH SLOT, FORMED ON THE OUTER EDGE OF SAID GASKET AND EXTENDING THROUGH SAID SLOTS AND SERVING, IN COMBINATION WITH SAID SLOTS, TO RETAIN THE GASKET IN POSITION WITHIN THE RECESS AND HOLD IT AGAINST TRANSVERSE SHIFTING, A HINGE ARM FOR SAID CLOSURE PLATE OF GENERALLY CHANNEL SHAPE CROSS SECTION AND PRESENTING GENERALLY PARALLEL SIDE WALLS WHICH ABOUT EDGEWISE AGAINST THE CLOSURE PLATE, AND AN INTERCONNECTING BOTTOM WALL PROVIDED WITH A HINGE-ENCLOSING POCKET THEREIN, MEANS SECURING THE HINGE ARM IN POSITION ON THE CLOSURE PLATE, SAID SIDE WALLS HAVING ALIGNED OPENINGS THEREIN, A HINGE PIN EXTENDING BETWEEN SAID SIDE WALLS AND HAVING ITS ENDS SECURED IN SAID ALIGNED OPENINGS AND SERVING TO PIVOTALLY CONNECT THE HINGE ARM TO THE JOURNAL BOX, A SPRING INTERPOSED BETWEEN THE HINGE ARM AND THE CLOSURE PLATE AND HAVING A HELIX PORTION NESTED WITHIN THE HINGE-ENCLOSING POCKET, SAID CLOSURE PLATE BEING PROVIDED WITH A HOLE THERETHROUGH WITHIN THE CONFINES OF SAID LOOP, A VENT TUBE PROJECTING THROUGH SAID HOLE AND SECURED AT ONE END TO THE BOTTOM WALL OF THE HINGE ARM, SAID VENT TUBE BEING FORMED WITH A PAIR OF DIAMETRICALLY DISPOSED OPENINGS IN THE WALL THEREOF IN COMMUNICATION WITH THE SPACE EXISTING WITHIN THE CHANNEL-SHAPED HINGE ARM, SAID GASKET BEING FORMED WITH AN INWARDLY EXTENDING FLAP HAVING FORMED THEREIN A HOLE THROUGH WHICH SAID VENT TUBE SEALINGLY PROJECTS.