Nov. 5, -1946. FQ DITCHFIELD SLIDING CAR DOOR Filed Aug. 29, 1940 - 2,410,484 2,410,484 Patented Nov. 5, 19046 UNITED STATES PATENT OFFICE>> 2,410,484? SLIDING CAR DOOR Frank Ditchiìeld, Cleveland, Ohio, assignor toThe . Youngstown Steel Door Com-pany,v Cleveland.. Ohio, a corporation of Ohior Application August 29, 1940, Serial No. 354,709 9 Claims.` (Cl. 20L-26) 1 2 This invention relates to sliding railway car doors and is directed more particularly to the constructionof the rear portions of said doors by means of which the entry ofv rain, snow, dust, cinders and the like-into the car is prevented. It is an object of this invention to provide sliding doors for railway cars which shall in of the panel in thelform of a vertical corrugationM I3. The vertical corrugation I3 is spannedbyA a vertically extending plate Ill secured' as by riveting-to the metallic panel I I on opposite sidesv of the vertical corrugation as indicated at> I5: and I6. The rivets indicated at I6, which fasten corporate ñexible weatherstrips. panel I I, are utilized as well to secure a substann ` the vertically extending plate I4 to the metallicy ‘ tially Z-shaped sealing strip Il and a' reinforc A further object is to provide sliding doors em bodying ñexible weatherstrips disposed so asÍ to 10 ing angle i3 to the marginal portion of thedoor be protected -by adjacent'portions ofsaidrdoors. lying to the rear of the vertical corrugation. A'vfurthery object isfto'provide sliding doors for The sealing strip Il is disposed upon the plate “ railway housecarsembodying ñexible weather# I4, While one leg of the angle IB 'is disposed upon 1 strips arranged »to cooperate with members of the sidewalls oflsaidV cars toalford effective seals; the panel I I. 15 A-~ further object is to provide sliding doors _ ` The upper horizontal margin of the door'is reinforced by an angle member I9 extending sub. embodying non-metallic angular weatherstripsv stantially the width of the door and having the _ wherein said doors are so yconstructed thatinex leg 20 arranged vertically and fastened toY the upperl margin. The other leg 2l of the angle pensiveflat` strips of flexible non-metallic ma terial may be utilized toprovide-the angularv 20 member I9 is arranged horizontally and extends ' weatherstrips without pre-forming'said strips. inwardly. ' Afurtherfobject is to provide -sliding doors em The lower horizontal margin of the door is bodying non-metallicV ñex-ible weatherstripsreinforced by an angle member 22, the vertical adapted toengage membersof the sidewalls of ' leg 23 of which is disposed between and secured said cars to provide seals;said’weatherstrips be.-` 25 to the vertically extending platev Itof the me# ing‘ characterized by their 4ability to Aadjust them. tallic panel II. The horizontallyy disposed' leg24 of said reinforcing angle extends outwardly. selvesto the vibrations of 'the doors and'thereby The sealing strip I'I carried by the door isV eliminate slidingfriction between themand the adapted to cooperate with a spark strip 25 fas- I» sidewall members which they engage; A~ further objectis‘to'provide sliding doors for 30 tened to the outwardly extending leg. 2B of' an. railway houseU carsr whichv shall incorporate , angle member 21, which in turn is secured to thedoor post 2_8. This cooperation satisfactorily weatherstrips in >such-manner as^to secure inter prevents sparks and large particles of foreign changeability of said doors with 'similar doors notl provided with -weatherstrips: ‘ Other objects of the inventioniwill.beccme'clearV 35 asthedescription thereof.' proceeds; In~»the-«drawing forming‘part of' this specili cation: matter from entering thel car. ` To provide an effective weather seal which will eiiìciently exclude rain, snow, dust, cinders and' the like without impairing the interchangeability of the door, the vertically extending plate I4,is. provided with an inwardly opening recess 29. Fig: 1 is a partial elevation‘of the rear portion` of a sliding» door’embodying the invention. 40 Within this recess one flange 30 of a rubber, or Fig.~ 2 is a horizontal section taken on line 2-2fofv Fig.- 1.’ rubber and fabric weatherstrip 3|, is securedby means-of a flat metallic> plate 32 and rivetsl33. Fig. 3fis ahorizontal section taken on line 3-3' ' of Fig." 1; As indicated by they dotted lines the flange 34 of the weatherstrip 3l extendsinwardly and is so ' Fig. ‘lis a horizontal section taken on line ll-Il' 45 positioned as to’be protected by the forwardly metallic door I0,y utilized upon a freight car of extending?lange 35 ofthe sealing strip I1; The disposition of the inwardly extending flange 34 of the weatherstrip 3l insures engagementv be-. tweenl thisflange and the spark strip 25lwhen`V the door is'in closed position. The inherent re-` siliency of the flange> 34 and the engagement-- the housetype. thereof with the spark strip provide an effective " of Fig. 1. Fig. -5 is a horizontal section illustrating the invention utilizedat the meeting edges of double sliding doors.` The- inventionÍ -is shown appliedV to a sliding 50 The metallic door illustrated ` emblodies ~a metallic panel’ I I, preferably for-med' with :_ horizontal “corrugationsf I2.; which \ at their seal to exclude rain, snow, dust, cinders andthe like. It is to be observed,> moreover, that'this- reargedge'gmergejnto .an -outwardly oñset- portion .v 55 seal is secured-by the instant invention without"I 2,410,484 3 4 the necessity of compressing the weatherstrip, door stop 46 is provided with a readwardly ex and that mere ñexing or bending of the strip is suiiîcient. It is desirable that the weatherstrip extend substantially the full height of the door. To this through which the securing rivets extend. The flange 48 of the auxiliary door post 45 is tending ñange 4l spaced from the post flange 48 formed with an outwardly opening recess 49 be yond which the flange 48 is continued, as indi moved above the vertical corrugation beginning cated at 50, to provide guide means for the main from substantially the lower edge of the vertical door 43. A flat weatherstrip 5I formed prefer flange 20 of the angle member I9 to the upper ably of rubber, or rubber and fabric, is seated edge of the panel and the plate. To close any' 10 within the recess 49 and is fastened thereto by opening which might have been made, the lower means of an angular plate 52 and rivets 53. As edge of the vertical ñange 2B is welded to the me clearly indicated in FE. 5 of the drawing the flat tallic panel I I, as indicated in Fig. l of the draw weatherstrip is caused to bear against the outer ing. As a result of the removal of the indicated wall of the recess 49 so as to provide an outward end the metallic panel II and the plate I4 are re portions of the panel and plate, the flange 30 of ly extending flange 54 on said weatherstrip. The the weatherstrip 3l can be extended upwardly flange 54 extends into the space between the to the underside of the horizontal leg 2I of the auxiliary door post 45 and the rearwardly direct angle member I9. It will be observed that this ed flange 4l of the main door stop. In this po flange of the weatherstrip lies against the inner sition the flange 54 is engaged and flexed by the face of* the vertical leg 20 to which it is secured 20 main door 43 in its final closing movement and by the :dat plate 32 and the rivets 33. establishes an eiîective seal therewith. To secure extension of the weatherstrip 3| to It will be apparent that numerous changes and substantially the lower edge of the door, the ver modifications in the details of the invention will tical leg 23 of the lower reinforcing angle 22, be clear to those skilled in the art. It is intend which lies below the vertical corrugation I3, is 25 ed, therefore, that all such modifications and removed, as indicated at 38, while the outward changes be oomprehended within this invention, ly extending horizontal leg 24 continues to the which is to be limited only by the scope of the end of the angle member 22, as indicated at 39. claims appended hereto. To close any opening which might result from the I claim: removal of the indicated portion of the vertical 30 1. A longitudinally sliding metallic door for leg 23, the angle member 22 is welded,l as indi railway house cars comprising a panel having a cated at 40 and 4I. By reason of this construc vertical outwardly extending corrugation adja tion the continuity of the metallic panel I I is not cent to the rear edge thereof, a vertical plate eX disturbed, see FigH‘l, and the plate I4 and the tending across said corrugation and secured on weatherstrip 3I extend continuously substantial opposite sides thereof to said panel, a vertical ly to the bottom edge of the door.- Space for the inwardly opening recess in said plate, an angle recessed portion 29 of plate I4 is provided by the shaped flexible weatherstrip having one ñange removal of the indicated portion of the vertical leg 23 of the «lower reinforcing angle 22 as more seated in said recess and the other flange ex tending inwardly and means securing said weath- - clearly shown in Fig. 4 of the drawing. The 40 strip in said recess, said latter flange being weatherstrip 3|, accordingly, is utilized to secure adapted to engage a member extending from the a seal for the entire height of the door. wall of said car and to be flexed thereby during While the weatherstrip 3l appears angular in final longitudinal closing movement of said door, section when applied to the door I9, the inven for the purpose set forth. Y . 1 tion nevertheless contemplates the use of a flat 45 2. A longitudinally sliding metallic door for strip. When the flat strip is secured within the railway house cars embodying a member having inwardly opening recess 29, as described herein a vertical inwardly opening recess inwardly of above, it is caused to bear against a shoulder, or the rear edge of said door, a weatherstrip~ having abutment, 42 formed by the recess in the plate I4. a ñange seated in said recess and a ñex'ible The ñat strip is thereby turned inwardly to the 50 flange extendinginwardly beyond the inner plane position indicated by the dotted` lines in Fig. 2 of of said door, and means securing said first men the drawing, thereby íorming'the inwardly ex tioned flange of said weatherstrip in said recess, tending flange 34 of the weatherstrip, said ñexible ñange being adapted to engage a Preference has been shown herein for a non member extending from the wall of said car and metallic weatherstrip formed of rubber, or rub 55 to be flexed thereby during final longitudinal ber and fabric. It is to be understood that the closing movement of said door, for the purpose instant invention is not limited to these materi set forth. l ¿l als, but that a flexible weatherstrip of any other 3. A sliding metallic door for railway house material suitable for the purpose of the invention cars embodying a metallic sealing strip secured may be utilized. >It will be clear, moreover, that 60 to said door, a flexible flanged weatherstrip and the invention is not limited to the particular means securing said weatherstrip to said> door, structure of the door illustrated and that it may a flange of said weatherstrip extending inwardly be utilized with other types of door as well. beyond the inside of said door, said metallic s_ealj- ' The instant invention is applicable as _well -to_ Y î ing strip having a flange spaced inwardly V0f the the main and auxiliary sliding doors of a double inside of said door and overlying the inwardly door construction. The main door is designatedv extending flange of said weatherstrip for ,the by the reference numeral 43 in Fig.- 5 of the purpose set forth. -drawing and the auxiliary door by the reference 4. In a double door construction for railway'v numeral 44. Secured to the front vertical mar-v house -cars a longitudinally sliding auxiliary door, gin of the auxiliary door 44 is a post 45 which 70 a longitudinally sliding main door, a post se preferably is movable with the door, A stop 46 cured to the front vertical margin of said aux for limiting closing movement of the main door iliary door, an angular stop member secured to 43 is disposed between the auxiliary door and the the front vertical margin of said auxiliary door auxiliary door post and is secured to the door’by having a ñange spaced laterally from said Vpost v' the same rivets fastening the post thereto. The 75 and a flexible weatherstrip secured to said post 2,410,484 5 and having a flange extending into said space, said main door engaging and flexing said weath erstrip during final longitudinally closing move ment, for the purpose set forth. 5. In a double door construction for railway house cars, a longitudinally sliding auxiliary door, a longitudinally sliding main door, a post secured to the front vertical margin of said auX iliary door having a flange arranged substantially parallel to said door, an angular stop member se cured to the front Vertical margin of said aux iliary door having a ñange spaced from said post flange, said pest flange having a recess and leg secured to the outside of the upper margin of said panel, a vertical inwardly opening recess in said plate, an angle shaped flexible weather strip having one flange seated in said recess and the other _flange extending inwardly and means securing said weatherstrip in said recess, said panel and said recessed portion ofv said plate above said corrugation being removed to provide space for said weatherstrip, said weatherstrip extending substantially to the upper edge of said door. vv8. A longitudinally sliding metallic door for railway house cars comprising a panel having a vertical outwardly extending corrugation ad a flexible weatherstrip secured in said recess, a portion of said weatherstrip extending into said „ . jacent to the rear edge thereof, said corrugation terminating short of the upper edge of v said space, said main door engaging and flexing said panel, a vertical plate extending across said cor weatherstrip during final longitudinally closing rugation and secured on opposite sides thereof movement, for the purpose set forth. to said panel, a reinforcing angle having a Verti 6. A longitudinally sliding metallic door for railway house cars comprising a panel having a 20 cal leg secured to the outside of the upper margin of said panel, a vertical inwardly opening recess vertical outwardly extending corrugation adja in said plate, an angle shaped flexible weather cent to the rear edge thereof, a vertical plate strip having one flange seated in said recess extending across said corrugation and secured on and the other flange extending inwardly and opposite sides thereof to said panel, a reinforc means securing said weatherstrip in said recess, ing angle having a vertical leg secured to the said panel and said recessed portion of said inside of the lower margin of said panel, a Ver plate above said corrugation being removed to tical inwardly opening recess in said plate, an angle shaped flexible weatherstrip having one flange seated in said recess and the other ñange extending inwardly, and means securing said weatherstrip in said recess, said vertical leg of said reinforcing angle adjacent to the rear edge of said door being removed to provide space for said recessed portion of said plate, said portion of said plate and said weatherstrips extending substantially to the lower edge of said door. 7. A longitudinally sliding metallic door for provide space forsaid weatherstrip, said weath erstrip extending substantially to the upper edge of said door, and means securing said first men tioned flange of said weatherstrip to said verti cal leg of said reinforcing angle. 9. A longitudinally sliding metallic door for railway house cars having a vertical recess there in, a flexible weatherstrip seated in said recess, said weatherstrip having a flange, means secur ing said flange in said recess, said weatherstrip also having a flange extending freely beyond said recess, said latter flange being adapted to cent to the rear edge thereof, said corrugation 40 be engaged and freely bent by a member on said car associated with said door to form a seal terminating short of the upper edge of said pan railway house cars comprising a panel having a vertical outwardly extending corrugation adja el, a vertical plate extending across said corru gation and secured on opposite sides thereof to said panel, a reinforcing angle having a vertical between said car member and said latter flange, for the purpose set forth. FRANK DITCI-IFIELD.