US1615795A - Dump car - Google Patents

Description

Jan. 25, 7- A. CAMPBELL DUMP CAR Filed March 12, 1923 ZSheets-Sheet 1 Jan. 25 1927.

A-. CAMPBELL DUMP CAR V m. I111. f w

Patented Jan. 25, 1927.

.UNITED- STATES 1, 15,795 FFICE.

.ARGYLE CAMPBELL, OF CHICAGO, ILLINOIS, ASSIGNOR TO ENTERPRISE RAILWAY EQUIPMENT COMPANY OF CHICAGO, ILLINOIS, A. CORPORATION OF ILLINOIS.

' pom? can.

Application filed March 12, 1023. Serial No. canine.

, This invention relates to improvements in dump cars. I

An obj ectof the invention is to provide, in a dump car, an improved door construction to be used in connection with Ingoldsby type of door supporting latches.

A specific object of the invention is the provision of an improved door beam extension adapted to be engaged by a locking latch pivotally mounted on the body of the car.

The invention further resides in certain novelties ofconstruction and arrangement of parts such as will be more particularly pointed out in this specification.

In the drawings forming a part of this specification, Figure 1 is a vertical, transverse,sectional view taken through a portion of a W type hopper car illustrating my improvements in connection therewith. Fig. 2 is a side elevational view of a portion of the car, illustrated in Fig.1, showmgthe discharge doors in fully closed posltion. Fig. 3 isa view taken on a line corresponding substantially to line 3--3 of Fig. 2. Fig.

4 is a fragmentary, side elevational view, of the car, illustrating the discharge door in partially closed position. Fig. 5 is a perspective view of the'door beam extens1on. Fig. 6 is a side elevational view of a twin hopper car showing another embodiment of my improvement in connection therewith. Fig. 7 is a vertical, transverse, sect1onalv1ew, corresponding substantially to the section line 7-7 of Fig. 6. Fig. 8 is a fragmentary view of a discharge door and latch of the type illustrated in Fig. 6 showing a further modified form of construction. And Fig. 9 is a transverse, vertical, sectional View, corresponding substantially to the section line 9-9 of Fig. 8.

Referring first to the construction illustrated in Figures 1 to 5, inclusive, 10 denotes one of the side walls of the car; 11 one of i the center sills; 12 the longitudinally extending ridge sheet over the center sills: 13 the transversely extending ridge sheet between the sets of hoppers: 14 one of the-hopper bottom sheets sloped downwardly from the end of the car towards-the center; 15 an inner hopper side sheet. and 16 an outer hopper side sheet, the latter being sloped downwardly and inwardly towards the center line of the car. As will be understood by those skilled in the art, there a e f l h pp r similar to the one illustrated, two on each side of the center sill, and arranged in pairs extending transversely of the car. 1

Each hopper side sheet 16 is suitably flanged along the edge adjacent the discharge opening, as indicated at 17 and 18,

to provide the necessary strength, and the lower edge of the bottom sheet 14 is reinforced by a transversely extending angle iron. 19 secured to the underside thereof. Each hopper discharge opening is adapted. to be closed by a sheet metal door, 20. The doors 20 are hinged along their upper edges to swing about axes extending transversely of the car, and each door is reinforced at the top and side edges by flanges 21. In the arrangement shown,each door 20 is hinged to brackets 22, which are riveted to the trans.- versely extending ridge sheet 13, which is re inforced by means of angle 23.

Secured to each transversely alined pair of doors 20, adjacent the free edges thereof and parallel thereto, is a connecting beam 24; commercially known as a door-spreader section. The beam 24 is preferably in the form of a rolled channel shape member, comprising a pair of webs 2525 united by means of a centralportion 26, and axp'air of flanges 27-27 projecting outwardly from the extremities of the webs, the central portion 26 and the flanges 27 being formed of a greater thickness of metal than the web portions 25. The spreader is secured to the door 20 by means of rivets 28 passing throughthe flanges 27 and through the door plate.

Secured to the opposite ends of the beam 24 are flanged extensions A, each preferably in the form of a plate pressed into shape to permit the same to be secured to the beam in two different planes. The extension may be formed, as best shown in Figures 1, 4 and 5,

withflanges 29 and 30, at right angles to each other, the flange 29 being secured to one of the web portions 25 of the beam and flange 30 being secured to the central porga e the aforesaid extension A to secln'elv ho d the door in closed position.

The latch B is pivoted on a bracket C which is secured to the car body, and a cam D cooperates with the latch B, as hereinafter specifically described.

Heretofore it has been customary to dis pose the extension on the beam member to one side of the center of gravity thereof,

whereby the main line of force which passes through the latch pivot and the door exerts a turning movement on the beam, tending to twist the beam on its axis." The tendency to twist the beam is furtheraccen- 1 tuated by the operation of swinging the door to closed position, it being customary to provide the extension with a perforation as indicated at 33 adapted to receive a bolt 34 or a bar 35, by means of which the door is op- .Zu crated, the bolt or bar being passed through the opening and depressed in the directions indicated by the arrows 36 and 37 respectively, swinging the door to closed position. These defects are remediedin the construc- 2 tion hereinshown, by deflecting the Web 38 of the extension A from one side of the beam to a position centrally thereof. This is accomplished by forming an offset 39 in the web of the extension, said offset extending at nn angle between the flange 29 and web 38 of the channel shaped portion of the exten-- sion A. The curved flange 31, constituting the latch engaging seat, is spaced from the outer surface of the door a greater distance than the flange 30, in order to provide for proper clearance for the flange 31 as the same passes under the flanged portion 21 of the door, wall 40 connecting the flanges 30 and 31 extending at an angle between the to same. A perforation 41 is provided in the web 38 within which the latch may drop to retain the door in a nearly closed position,

as shown in Fig. 4:.

The brackets C rest upon and fit against an the angle irons 19, the latter being extended outwardly beyond the sloping side walls 16 of the hop er, thus providing supporting ledges for t 1e brackets, it being understood that I employ a bracket and latch at each side of the car, only one side, however, be ing shown in the drawing; Each bracket C is preferablyin the form of a casting, having an inner wall 42 lying against the sloping side sheet 16, and is secured to the lat- 5 1 ter by means of a rivet 43. The bracket casting C is also provided with an outer wall 44 disposed in a plane substantially parallel to the sloping. hopper side wall 16 and is spaced a short distance therefrom. The inher and outer walls 42 and 4-4 areconnected by a transversely extending wall 45, and a wall 46 parallel with and secured to the cutstanding flange ofthe angle iron, 19, bymeans of a rivet 46. In addition the bracket is formed with a downwardly extending flange d7 secured to the depending flange of the angle iron 19 by means of a rivet as.

- The latch member B is pivotally mounted 'on the bracket casting C by means of a pivot 49, and is adapted to swing in a plane substantially parallel with the slope of the car side. Lateral outward movement of the said latch member is prevented by means of a flange 50 formed on'the outer wall 44: of the casting C, and inward lateral movement thereof is prevented by means of the race 51 constituting the end wallet a boss 52 extending outwardly from the inner wall, 46'

iron 19 with the hopper side wall, at the lower corner of the hopper, thereby prevent ing the hopper side sheet from tearing out at this point.

The locking cam D is pivotally supported between the outer wall M of the bracket C and the sloping hopper side wall 16 on a rivet or pin 54, which not only acts as'a pivot for the cam D but also serves to secure the bracket C to the hopper sheet. The cam D is of Well known form, and engages with a curved surface 55 formed on the latch member B. A ferrule 56,preferably formed of a section of commercial pipe, is interposed between the sloping hopper side wall 16 and the cam D, thereby malntaining the latter in alignment with the latch B;

The outer end of the latch B is beveled as indicated at 57 so as to actas a guide tov lift the latch when the doors are moved to closed positio u' said beveled end 57 being enga ed by the extension A, as will be evident, tie latch drop ing into locking position under gravity, W en the'curved flange 31 on the. extension A has passed beyond the I looking face 32 of the latch B.

In the embodiment of the invention shown in Figs. 6 and 7, transversely extending twin doors 110-410 are employed, pivoted to swing about transversely extending axes. The free edges of the pair of doors meet, and extending along the underside of each door, near its free edge, and parallel thereto, is the bracing beam 111 ofsubstantially U-shape cross section comprising flanges 112 extending outwardly, from the upper extremities of a pair of webs 113, and a horizontally extending section 114 connecting the lower. extremities. of the webs. In Figs. 6 and 7 of the drawing, 115 denotes one of the outer sidewalls of the car; 116 one of the center sills; 116 the longitudinally extending inner walls of one of the hoppers; 116 a bracket connecting the inner wall with the'center sill 116;

117 the transversely extending ridge-sheets;

- 118the door hingebutts; and 119 outwardly .and downwardly bent reinforcing plates secured ,to the outer side walls of the car. As will be understood by those skilled in the art, only one-half of the car is shown in A Figs. 6 and-7, there being another similar formed upwardly and merging with a flat portion, as indicated at 121, substantially in line'with, or in the same-plane as the body or main portion of the door, to, clear the beam 111 extending from one door-to the other. 7

" To hold the doors in closed position, there r is provided at each end of the beam 111 an extension E with which is adapted to cooperate'a latch F. The extension E is in the form of a metal plate of angular cross section, including a pair of flanges 122 and123 by which it is secured to the beam 111. The

extension E projects outwardly beyond the flange 120 of the door, the flange being cut away asindicated at 124 to permit of said ex- [iii tension projecting therethrough. The overhanging portion of the extension is prefer ably of channel form, comprising a web 125, an n g per flange 126 and a lower flange 127,

the atter being curved to correspond sub-,

stantially with the curvature of the shoulder 128 formed on the latch F. c

The latch F'is pivotally mounted in the bracket G- and is adapted to-be lockedthereto by means of theloeking cam H.

The bracket G, preferably in the form of a casting, is provided with a main backwall or web 128, which, when the bracket is in position, bears against and is secured to the side wall structure of the car by a series of rivets 129-129. To provide a housing and also q to prevent outward movement and bending of the latch and locking cam, the bracket G is formed with an outer wall or web 130, united to the main wall or web 128 by means of transverse flanges 131 and 132.

The latch '13, and locking cam H, are housed between the out-er wall or web 128 and an intermediate-wall 133 which extends from the transverse flange 131 to the transverse flange 1,32, and is spaced from the retaining wall 128 a sufficient distance to properly space the latch from the side wall of the car to clear projecting ortions of the car structure. Said interme iate wall 133is'extended a distance downwardly below the transverse flanges 131 and 132 for the purpose of preventing inward bending of the atch F. Swinging movement ofthe latch F in a closing or operative direction is limited by a transverse flange 134 projecting from the transverse flange 131. The swinging movement of the cam H to its inoperative position, is likewise limited by the same engaging the transverse flange 132.

As it is customary to swing the door to closed position by direct application of the forces to the extensions E, great stability is required for these extensions both in regard to the strength of the same and in the method of their attachment to thebeams. It is the usual practice to provide the door extensions F with which the latches engage, with perforations to receive an instrument by which the doors are swung to closed position. One manner of accomplishing this result is to provide the extensions E which project outwardly beyond the latch levers with perforations 135 through which a bar or bolt 136 ma be inserted in'the manner shown in Fig. 6 or the purpose of swinging the doors to closed position. Another manner of accomplishing this result is to provide the web of the extension E with a perforation 137 through which a bar 138 is passed, with the free end thereof engaging an abutment 139 which may be formed on the door itself or on a portion of the car structure. The operation of levering the doors to closed position obviously creates a turning movement on the extensions and on the beams, which together with the strain imposed thereon due to the load from the doors tends to distort and loosen the parts, and therefore, a rigid construction, such as that shown herein, is of great importance. v

With the form of latch lever illustrated herewith it is comparatively an easy matter to swing, the doors on one side of the car to a closed position, but it frequently happens Ion that the closing of the door on the other side calls for some means of levering the doors dispo:ed between the doors of each pair, the

plate 140 being provided with a cperforation 141 through which a bar may be inserted for the purpose of levering the doors to a position which will enable the latch levers to swing into position under the extensions E.

In FigsJS and 9 is illustrated a construction in all respects similar to that shown in Figs. 6 and 7, with the exception that the reinforcing beam 210 is secured to the door 211 by means of a connecting portion formed integral with the extension K and extending between the webs of thebeam and that the extension K is of channel shape throughout to closed position, due to 'thesame having lit) the length'thereof, Theextension K is se-. I

The extension is oflret'in a similar manner,

and for a purpose similar to that described in connection with Figs; 1 13072111611181.176, the

web portion 212 being disposed substantially in alignment with the center of the beam 210.

I have herein shown and described what I-now consider the preferred manner of carrying out the invention, but the same is merely illustrative and I contemplate all changes and modifications that come within the scope of the claims appended hereto.

I claim:

1. In a car provided with a hopper having a downwardly sloping bottom wall and a side wall sloping inwardly from the vertical and forming with said bottom wall, one of the corners of the discharge opening, and a pivoted door toclose said opening; the combination with a member secured to the door and projecting from one edge of the door across the edge .of said side wall; of a rigidifying member secured to the aforesaid bottom wall and projecting outwardly beyond the side wall; a bracket secured to said projecting portion of" the rigidifying member and having a wall lying substantially in the plane of the inclined side wall and secured thereto; anda latchpivoted to the said bracket, said latchco-operating with said projecting member from the door and lying in a plane substantially parallel with the slope of the car-side, the inclined wall of said bracket overlying said latch member and constituting a guide therefor i its movements.

2. In a car provided with a hopper having a downwardly sloping bottom wall and a side wall slopin inwardly from the vertical and forming with said bottom wall, one of the corners of the discharge opening, and a ivoted door to close said opening; the com- Jination with a projection extending from the side edge of the door across the edge of said side wall; of a bracket carried by the car structure and havingiinner and outer walls lying substantially in planes parallel tothe sloping side wall of the hopper; transverse walls connecting the inner and outer walls and a boss extending outwardly from the inner wall;.a latch pivotally mounted between the end of the said boss and the outer wall and co-operating with the extension on the door; and a cam engageable with the said latch to hold it in operative posi tion said cam being pivotally supported on a rivet connecting the aforesaid outerwall and the car structure.

3. In a dump car having a pivoted discharge door, the combination with a reinforcing member secured to the underside of the door adjacent the free edge thereof and having one face thereof'disposed in a plane at substantially right angles to the plane of the door; of an extension piece securedto said member and extending outwardly beyond one of the side edgesthereof; and a latch pivotally mounted on the car body adapted to engage the extension, the end of said extension being oifset with reference to the reinforcing member to bring the latch shank engagin portion centrally of the reinforcing member in a plane substantially parallel to said face, whereby the shank of the latch is adapted to swing inwardly beyond the boundaries of said member.

4. In a dump car having a dumping door, the combination with a U-shaped member including a pair of webs, a connecting section between the webs, and flanges extending outwardly from the extremities of the webs, said flanges being secured to the door; of a flanged extension secured respectively toone of the webs andalso to the connecting section between the webs; and a latch pivotally mounted on the car body and adapted to engage the. said extension.

5. In a dump car having a dumping door,

the combination with' a U-shaped member,

including a pair of webs, anda connecting section, saidunember being secured to; the door by means, of flanges extending outwardly from the extremities of the Webs thereof; of an extension secured to the member; and-a latch pivotally mounted on the car body and adapted to engage the said extension, said extension being attached to one of the webs of the U-shaped member and having thelatch engaging portion thereof deflected inwardly with reference to said member to dispose the main line of force between the latch and the door intermediate the webs of the U-shaped member.

6. In a dump car having a ,dumping door, the combination with a U-sha ed member, including a pair of connecte webs, said member being secured to the door by means of flanges extending outwardly from the free ends of said webs; of an extension having a flange secured on the outer side of one of said webs; and a latch pivotally mounted on the car'body and adapted to engage the said extension, the said extension having the member is secured to the door; of an extension piece provided with a pair of flanges, said flanges being secured respectively to one of the webs and to the connecting section between the webs, a portion of said flange connected to the web extending outwardly and disposed in a plane between said webs; and a latch pivotally mounted on the car adapted to engage with said extended portion of the flange.

8.- In a dump car having a dumping door, the combination with a main reinforcing aeimee member secured to the door adjacent the free edge thereof; of an extension secured thereto and projecting outwardly beyond an 7 edge thereof, said extension having angular portions; and supporting means pivoted to the car body adapted to engage one of sa1d angular portions to hold the door in closed positiom said last named angular portionadjacent the free edge thereof, and having a latch engaging portion projecting beyond the side edge of the door, of a latch pivotally mounted on the car body and adapted to engage the aforesaid projecting portion, the said latch engaging portion of the beam being offset from the main body of the beam in a plane substantially at right angles to the plane of the door.

10. In a dump car door, the combination with a channel shape. reinforcing member secured to the door adjacent the free edge thereof; of an extension piece secured to the said reinforclng member; and a latch pivotallymounted on the car body adapted to engage the said extension, the said extension avi-ng a Web disposed substantiallyat right angles to the plane of the door and secured to the reinforcing member to one side of the center thereof, said extension being ofiset to dispose the latch engagin portion of the web con- ,to said member and projecting beyond one of the side edges thereof, said projecting trally of the reiniorcin member.

11; In a dump car swing a discharge door, the combination with a member secured to the door, off an extension secured portion being eflected in a plane substantially parallel to the plane of said door and also in a plane substantially normal to said door; and a latch pivotally mounted on the car adapted to engage the said projecting portion of the extension.

'12. In a dump car having a pivoted discharge door, the combination with a reinforcing member secured to the underside of the door, adjacent the free ed 'e thereofand including a portionof exten ed width disposed substantially its} parallelism with. said door; of an extension secured to said member and projecting outwardly beyond one of the sideedges thereof, said extension being provided with latch engaging faces -angularly disposed with reference to each other, said faces respectively limiting the movementof the latch in adoclring direction and engaging the latch to hold the door in locked position, one of said faces bein located midwa between the extended boun aries "of sai substantially parallel pore having a dumpin v ,thereof,,saidmember in uding s aced we provided with an extension having a late 1 engaging portion; and alatch pivotally mounted on the car body and adapted to engage said latch engaging portion, the coacting engaging faces of said latch andextension belng so arranged that the en agingportions ofthe latch are adapted to he midway between the extended boundaries of the substantially parallel portion of said'reinforcing member, when the latch is in locking engagement with said extension.

charge door, t \e combination with, a U- sha ed reinforcing member secured to the an er side of the door ad'acent the free edge disposed. at rightangles to the p one of the door; of an extension piecesecured to the .said member and extending outwardly beyond one of the side edges thereof; and a latch pivotally mounted on the car body adapted to engage mid extension, the afore said extension having a Web ortion disposed between said first nod we 5, in spaced relation and substantially parallel thereto.

15. .ln a. dump car having a pivoted discharge door, the combination with a reinforcing member on the outer sideccf said door extending parallel to the free edge thereof, said reinforcing member including two webs in spaced planes extending sub stantially normal to the main plane of the door, said reinforcing member having an extension projecting beyond a side edge of the door and :said projection includin a web also extending substantially norma to the main plane of the door and substantially midwaybetween said first mentioned spaced planes; and means, mounted on an adjacent fined portion of the car cooperable withsaid extension to hold the door in closed position, said means and extension engaging in such manner that the load is transmitted in lines substantially coinciding with the plane or said extension Web." 1

16. lln a dump car. havinga dumping door, the combination jrvith a; reinforcing member secured torthe door substantially parallel to and adjacent the free edge there: of, and havingalatch engaging portion projecting beyond the side edge of the door; of a latch pivot-ally mountedon the car body and adapted to enga e theaforesaidprojecting portion, thesai latch engaging portion of said member being ofiset from the main lllb ltd

lilll I at 14', In a dum car, having a pivoted disi at right angles to the door, there being means on said latch en aging portion for eng ment' with said etch to retain nearly closed position;

17. In a dump ear havinga. dumping door, the combination with a' reinforcing member secured tothe door adjacent the. free edge thereof of an extension pie'ce, secured to the saidreinfotcing' member; and a latch pivthere being means on said extension for enotally mounted .on' the car body adapted to engage the said extension, the said'extension having a web disposed substantially 'atright angles to the plane of the door and secured I to the reinforcing member to one side of the center thereofysaid extension beingoifset to dis use 1 the latch engaging portion of the we centrally of the reinforcing member,

the doorin gegement with aio latch were the door: on neierly closed. position.-

18.111 e dump car havinghJdischergedoor; the combination with a memher'secured'to the door; of'a-n extension secured; to said member and projecting" beyond one" of the. side wages thereof, said projecting portion being .25 eflected downwardly and to; "one side; and a latch pivotally" mounted; on'

the car adapted to engage the said project ing portion of, theaextension, there being" 3o means on said' ietch engagingiextension for engagement with said leteh to reteinithe

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