US2030938A - Mine car - Google Patents

Description

D. U. RICH Feb. 18, 1936.

MINE CAR s sheet's-sheet 1 Filed Nov. 16, 1934 Feb. 18, 1936.

D. U. RICH MINE CAR Filed NOV. 16, 1934k v 3 Sheets-Sheet 5 UNITED STATES PATENT OFFICE ltIlNE CAR Donald U. Rich, Teaneck, N. J., assignor to Amel'-l ican Car and Foundry Company, New York. N. Y., a. corporation of New Jersey Application November 16, 1934, serial No. 753,249

29 Claims.

This invention relates generally to railway cars and has particular reference to mine cars of the drop bottom type. 4

In drop bottom cars as heretofore used wherein the curved end portions of the doors engage above the hinge axis a slight deformation of a door causes improper functioning if not complete failure of the automatic doors, also in the drop bottom cars in which the doors or rigid parts thereof interengage below the pivot, the interengagement has been placed on the same side of the pivot as the door hinged to the pivot, this causes a cumulative loading which necessitates heavy latches.

It is an object of this invention to overcome the above diiculties by the provision of new and improved hinge means supporting the doors of drop bottom mine cars for automatic, sequential operation.

Another object of this invention is tof provide simple supporting means, associated with each door and so proportioned that the interengagement of the means falls directly below or to the side of the pivot axis away from the door hinged to the pivot.

A still further object is the provision of new and improved hinge means for supporting the doors of drop bottom mine cars that may be applied without bending or deforming the door plate.

Further objects and advantages of this invention will be apparent from the following description taken in conjunction with the accompanying drawings in which:

Figure 1 is a sectional view through the front end portion of a mine car showing one form of the present invention;

Fig. 2 is a sectional view through the rear end portion of a. mine car, Figs. 1 and 2 together constituting the complete mine car;

Fig. 3 is a sectional view on the line 3-3, Fig. 1,

but showing the flare sheet or side wall of the car in section at the wheel housing;

Fig. 4 is an enlarged detail sectional view showing a modified form of hinge part;

Fig. 5 is a sectional view showing another modlfication of the hinge part of Figs. 1 and 2;

Fig. 6 is a fragmentary view, in section, showing a modified form of the invention, the view showing one door in fully opened position and an adjacent door in partly closed position;

Fig. 7 is a view similar to Fig. 3 but showing the form of the invention appearing in Fig. 6;

Fig. 8 is a fragmentary sectional view showing a still further modification of the door supporting means;

Fig. 9 is a view of a still further form of the (Cl. 10S-253) invention, the view showing a construction similar in some respects to the door support of Fig. 8 but in which the door supporting elements intersect the vertical plane coincident with the axis of rotation of the axle and, 5

Fig. 10 is a plan View of the hinge mounting for the forward door of thel car.

Referring now more particularly to the drawings in which similar characters of reference designate similar parts in the several views. the 10 car of the present invention comprises a body indicated generally at A which is supported by an underframe B, said underframe being, in effect, a part of the body and comprising side sills 2, bulb angles in the instance shown, which ex- 15 tend between and are connected to channel shaped end sills 4. The body A comprises stationary side and end walls 6 and'8 respectively, walls 6 constituting flare sheets which extend upwardly and outwardly from the bulbs I0 of side 20 sills 2 to form lading supporting and retaining portions and are secured to the bulbs in any suitable manner as by being welded thereto at I2. The side walls are further supported by gussets or brackets I4 which extend from the sills 2 and are 25 secured thereto and to the under surfaces of the side walls by means of fasteners I6.

As shown more clearly in Figs. 2 and 3 the side walls, intermediate their upper and lower edge portions, are provided with integral pressed wheel 30 housings I8, the housings being substantially triangular in plan and gradually increasing in depth toward the side sills with the base or bottom wall 20 of each housing substantially vertically arranged.

The car body A is supported by axles 22 which extend throughthe webs 24 of side sills 2 and through axle boxes 26 secured to said webs, the axles 22 being carried by wheels 28. A

Arranged over the axles 22 are axle hoods 30 40 which extend between the side sills 2 and have their end portions resting upon and secured by fasteners 32 to horizontally projecting attaching iianges 34 of ller castings 36 secured to the side walls of the car at the wheel housings. The ller 45 castings are substantiallytriangular in shape when viewed in plan and are so formed as to fill the pockets formed between the Wheel housings and the axle hoods 30 (see Figs. 3 and 7) The castings 36 have portions 38 complemental with the bases 50 20 of the wheel housings I8 and the upper and lower portions of said castings overlap the wheel housings I8 and side sills 2 respectively and are fastened to the side walls as shown at 40. The axle hoods are pressed members, substantially an- 55 Cil shown in Fig. 6, the downwardly projecting portion of the axle hood 38 is formed to a gradual curve as indicated at 46, this being a modification of the axle hood shown in Figs. l, 2, 8 and 9. The

flanges 34 of the filler castings 36 project from the forward walls 31 of said castings and are of a form and size to support the end portions of the axle hoods. To constitute fillers for the pockets defined between the wheel housings and axle hoods, the castings 36 are so formed as to provide side wall portions 42 which slope upwardly at substantially the angle of inclination of the flanges of the axle hoods, to a central rib 41 which is alined with the upper portion orapex of the axle `hood and forms, in effect, an upwardly directed continuation of the apex of the axle hood. This is clearly illustrated in Figs. 3 and '7. From the construction just described it will be apparent that in addition to providing stiffeners for the side walls of the car at the juncture with the side sills, the filler castings 36 also eliminate the possibility of interference with the discharge of lading from the car as these iller castings substantially ll the spaces between the wheel housings and the axle hoods 30.

The lading supporting portion or bottom of the car is formed of a plurality of automaticallyoperated doors which are hinged on axes extending transversely of the car. The doors are indicated in the drawings at 46, 48 and 58 and, for convenience, are termed forward, intermediate and rear doors respectively. Referring now to the form of the invention shown in Figs. 1 and 2 it can be seen that the forward door 46 has its forward end portion rolled as at 52 and engaged with eccentrics 54 carried by a hinge rod 56 extending between and supported by the side sills 2 at a point adjacent the front end sill 4. The relative position of the door 46, which may be of conventional shape, and eccentrics 54 may be varied to insure a tight seal with the front end sill 4 when the door is closed, and to further insure a leak proof joint at this point a shedder plate 58 is secured to the end sill and overlaps the hinged joint. The doors are each reinforced intermediate the upturned\ edges by longitudinal stiffeners 60 riveted or otherwise attached to the door, these stiifeners may also be provided at the side edges in lieu of the upturned edges shown. The rear or free edge portion of the door 46 extends rearwardly beyond the depending flange portion 44 of the axle hood 30, said portion 44 of the axle hood extending downwardly to a point immediately adjacent the door 46 as clearly shown in Fig. 1. Secured to, or if desired made integral with, the rear edge portion of the door 46 are door supporting elements in the form of spaced hooks 62, the effective portions 64- of which are rebent portions which face toward the forward edge portion of the door 46 and are adapted to extend within pockets 66 formed by cutting away portions of the rear wall and base or lower wall 16 of hinge elements 68 to permit the effective portions of said hooks to have a bearing on the lower walls of said hinge elements. The hinge elements 68, in the form of the invention shown in Figs. 1, 2 and 3 are substantially channel shaped in section with spaced attaching flanges 12 secured to the forward portion of the door 48 by any suitable means such as rivets 14. The hinge elements are engaged with the axle 22, although any hinge rod other than the axle may be used if desired, and thus serve to hingedly support the intermediate door 48. The mechanism at the rear edge of door 48 and the forward edge of door 50 is identical with that just described and hence similar reference characters are employed. It is to be noted that the weight of the lading and doors imposed on the hooks 62 is transmitted by the rebent portion 64 engaging the ledge 10 and through the hinge elements 68 and door plate to the axle and since the portions 64 and 10 are below and to the side of the pivot away from the -door body carrying the element 68 a rotative tendency is exerted which will counterbalance a part of the load that would otherwise be transmitted to the next succeeding supporting element. It is readily seen that the load on each door is supported byits hinge and4 hook elements alone and not transmitted to the next succeeding door to be finally carried by the main or controlling latch. The rear edge portion of door 50 is curved upwardly as shown at 16 to underlie the lower inwardly deected end portion 18 of the rear end wall 8 and this door 50 is supported in closed position in any suitable manner such as by latch means 80 adapted to beA either manually or automatically operated into released position to permit swinging of the doors sequentially to open position.

The car shown in Figs. l and 2, with the doors in closed position, travels to the right as viewed in Fig. 1 and when it reaches a place for deposit of the lading, the latch mechanism 80 at the rear end of the car is operated to release the rear door 50 and permit the same to swing to open position. Swinging movement of door 50 toward the open position obviously turns the hinge element 68 and its supporting engagement with said hinge element and the door 48 swings toward open position whereupon the hinge element 68 for said door 48 is released from its supporting engagement with door 46 and door 46 then proceeds to open. Continued movement of the car of Figs. 1 and 2 to the right causes the forward door 46 to engage a ramp indicated more or less diagrammatically at 82 (Fig. 6) to force the door 46 on its hinges toward closed position. This continued movement of the car then causes the door 48 to be moved to closed position whereupon the hooks 62 will be indicated -within the pockets 66 and will engage the lower Walls 10 of the hinge element 68. In a like mannerthe rear door 50 is moved to closed position and the hook elements 62 of door 48 will engage with the hinge elements of the door 50 whereby the door 48 is supported in closed position. It is to be noted also that due to the positioning of the hook element 64 and ledge element 10 to the forward side of the pivot axis the rotative tendency previously described causes the elements to become more tightly engaged with each other and as soon as the forward door has left the ramp it aids in lifting and holding in the lifted position the next succeeding door.

Fig. 4 shows a. modified form of hinge mounting for the doors of the car of the present invention, which is substantially of channel shape with oppositely disposed curved bearing surfaces 84 with which the axle 22 is engaged; this being similar to the construction shown in Figs. 1 and 2. Fig. 4 provides a hardened wear plate 86 which extends between the flanges 88 of the hinge element and is adapted to bear on the axle 22.

In Fig. 5 the lower wall of the hinge element 68 is shown as sloping downwardly at 8D to engage with the upwardly sloping tongue 82 of the hook element 6 2. In this instance the interengagement of the elements `is placed farther to the forward side of the hinge axis to further increase the rotative tendency of the elements.

The hinge elements shown in Figs. 1, 2, 4 and 5 are pressings. In the form of the invention shown in Fig'. 6 use is made of cast hinge elements, the same comprising a recessed body portion 94 adapted to closely engage the axle 22 and formed with attaching flanges 86 by which said hinge elements may be attached or secured to the forward edge portion of the door. The hinge elements of Fig. 6 are provided with integral side reinforcing ribs 98 and with integral supporting portions |00 in the form of -hooks which extend between the ribs 98 and are adapted to engage the hook elements 62 of an adjacent door. As can be seen in Fig. 6 the hinge element 94 is fastened to the forward edge portion of the door at points on opposite sides of the axle.

In the form of the invention shown in Fig. 8, secured to the forward edge portion of the door is a hinge strap |02 which encircles the axle 22. The supportingmeans for the adjacent door, in the form of the invention shown in Fig. 8, comprises a supporting casting |04 secured to the under surface of the door at its forward edge portion by suitable fasteners such. as the rivets |06 which also serve to secure the hinge strap |02. The rivets |06 pass throughan attaching portion |08 and said supporting element includes a curved body portion I0 formed to-the contour of the hinge strap |02. The supporting element |04 has integral side walls ||2 and a supporting shelf 4 extending between said walls-||2 and, when the door is in closed position -saidshelf I4 is arranged wholly on one side of the vertical plane coincident with the axis of rotation of the door. It can be seen in Fig. 8, that the door is on one side, or rearwardly of the vertical plane coincident with the axis of rotation of the door, while the supporting shelf ||4 is on the opposite side or forwardly of said plane. This particular arrangement not only increases the` rotative and locking tendencies previously described but also reduces to a minimum the rubbing of one door by an adjacent door which is being moved to closed position by the ramp 82. The supporting. element |04 is connected to the hinge strap |02 adjacent the supporting shelf ||4 by means of welding at IIB.

The form of the invention shown in Fig. 9 is quite similar to that shown in Fig. 8 and hence the same reference characters are applied, however, the construction in Fig. 9 differs from that shown in Fig. 8 in that the cooperating surfaces of the hook 62 and the shelf ||4 are arranged in such a manner that when the doors are in closed position said cooperating surfaces intersect the vertical plane coincident with the axis of rotation of the door. This arrangement insures the transmission of load to the pivot axis without any rotative or locking tendencies being set up and is the limiting position between supporting elements arranged according to this invention and supporting elements as previously arranged.

It is old in the art to support the rear edge portion of one drop bottom door of a mine car on the forward edge portion of an adjacent door but such a construction results in a definite load being placed on the supporting rear edge portion of one door which tends to cause deformation of the contacting portions of the doors. In the present invention one door is supported at its rear edge portion by the combined hinge and supporting element connected with the forward edge of the adjacent door which as has been described removes at least a part of the load from the free edge of the next adjacent door. The amount of load removed depends of course on the lever arm, that is the horizontal distance from the vertical plane through the pivot axis to the interengaging supporting elements.

The drawings herein illustrate certain embodiments of the invention but it is to be understood they are'for illustrative purposes only and various changes in the form and proportions of the construction may be made within the scope of the appended claims without departing from the spirit of the invention.

What is claimed is:

l. The combination with a car body, of a plurality of horizontal transversely extending hinge rods carried by the body, a plurality of doors, a plurality of means attached to the doors and hinging the doors on the rods, a plurality of hook shaped members secured to the free edge of at least one door, the means hinging at least one of the doors on its rod being provided with a portion situated substantially on the opposite side of the hinge axis from the door and adapted to be engaged by the hook member of the adjacent door when the doors are in closed position.

2. The combination with a car body, of a plurality of horizontal transversely extending hinge rods carried by the body, a plurality of doors, a plurality of means attached to the doors and hinging the doors on the rods, a plurality of hook shaped members secured to the free edge of at least one door, the means hinging at least one of the doors on its rod being provided with a pocket shaped portion situated on the opposite side of the hinge axis from thedoor, said pocket shaped portion opening toward its associated door to be engaged by the hook portion of the adjacent door when the doors are in the closed position.

3. The combination with a car body, of a plurality of horizontal transversely extending hinge rods carried by the. body, a plurality of doors', a plurality of means attached to the doors and hinging the doors on the rods, a plurality of hoo-k shaped members facing towards and secured to the free edge of at least one door, the means hinging at least one of the doors on its rod being provided with a portion situated substantially on the opposite side of the hinge axis from the door and adapted to be engaged by the hook member of the adjacent door when the doors are in closed position.

4. The combination witha car body, of a plurality of horizontal transversely extending hinge rods carried by the body, a plurality of doors, a plurality of means attached to the doors and hinging the doors on the rods, a plurality of hook shaped members facing towards and secured to the free edge of at least one door, the means hinging at least one of the doors on its rod being provided with a pocket shaped portion situated on the opposite side of the hinge axis from the door, said pocket shaped portion opening toward its associated door to be engaged by the hook portion of the adjacent door when the doors are in the closed position.

5. In combination in a drop bottom car, a plurality of horizontal transversely extending hinge rods, a plurality of doors each having its forward formed with a rearwardly facing pocket situated below and forwardly of'its associated door axis, a plurality of forwardly directed hook shaped members attached to the rear edge of the adjacent door, said hook shaped members being adapted to enter the adjacent pockets to supportthe attached door in closed position.

6.V In combin-ation in a drop bottom car, a plurality of horizontal transversely extending hinge rods, a plurality of doors each having its forward -edge adjacent a hinge rod, a plurality of means embracing the hinge rod and attached to the forward edge of the associated door, said means being formed with 'a rearwardly facing pocket, a plurality of forwardly directed hook shaped members attached to the rear edge of the adjacent door, said hook shaped members being adapted to enter the adjacent pockets to supportthe attached door in closed position and said pocket being situated below and forwardly of its associated door axis whereby the weight of one door counterbalances at least a part of the weight of the adjacent door.

7. In combination in a multi-door drop bottom car, horizontal transversely extending hinge rods,-

a door having one edge adjacent a hinge rod, hinge means comprising a plurality of members embracing the hinge rod and attached to the door edge, at leasta part of said members being formed with a pocket, said pocket being situated below the hinge rod and adapted to directly support the free`edge of the adjacent door when in closed position.

8. I n combination in a multi-door drop bottom car, horizontal transversely extending hinge rods, a door having one edge adjacent a hinge rod, hinge means comprising a substantially U-shaped member embracing the hinge rod and attached to the door edge, said means being provided below the hinge axis with a pocket adapted to support the free edge of an adjacent door when in closed position.

9. In combination in a multi-'door drop bottom car, horizontal transversely extending hinge rods, a door having one edge adjacent and overlying a hinge rod, hinge means comprising a substantially U-shaped member embracing the hinge rod and attached at spaced points to the overlying door edge, said means being provided With a pocket situated below and on the opposite side of the hinge axis from the associated door, said pocket being adapted to support the free edge of an adjacent door when in closed position.

l0. In combination in a multi-door drop bottom car, horizontal transversely extending hinge rods, a door having one edge adjacent and overlying a hinge rod, a wear member between the door and hinge rod, hinge means comprising a substantially U-shaped member embracing the hinge rod and attached at spaced points to the overlying door edge and wear member, said means being provided with a pocket situated below and on the opposite side of the hinge axis from the associated door, said pocket being adapted to support the free edge of an adjacent door when in closed position.

1 1.In combination in a multi-door drop bottom car, horizontal transversely extending hinge rods, a door having one edge adjacent ahinge rod, hinge means comprising a member` surrounding the hinge rod and overlying the door edge, a member underlying the door edge and being provided with a pocket, and means securing said members together and to the door edge, 'the door edge and pocket being arranged respectively. at least in part, on opposite sides of the vertical plane through the hinge axis and said pocket being so formed as to directly support the free edge of the adjacent door when in closed position.

12. In combination in a multi-door drop bottom car, horizontal transversely extending hinge rods, a door having one edge adjacent a hinge rod, hinge means comprising a member surrounding the hinge rod 'and overlying the door edge, a member underlying the door edge and being provided with a pocket, means securing said members together and to the door edge, said pocket being situated below the hinge axis and adapted to directly support the free edge of the adjacent door when in closed position. 13. In combination in a drop bottom car having forward intermediate and rear doors, of a plurality of horizontal transversely extending hinge rods, means hinging the forward door to its hinge rod, means hinging the intermediate and rear doors to their respective rods, forwardly directed hook shaped members attached to the rear free edges of the forward and intermediate doors, rearwardly opening pockets provided on said second mentioned means adapted to be engaged by said hook members when the doors are in closed position, said. pockets being situated below and to the forward side of the respective hinge rod whereby at least a part of the weight of the rear and intermediate doors is counterbalanced, and latch means to retain the rear door in closed position. 14'. The combination of a drop bottom car having side sills, supporting wheels, inclined sides extending upwardly and outwardly from the side sills, raised portions in the sides extending over the wheels to form wheel housings, a plurality of doors, a plurality of horizontal transverselyextending hinge rods supported by the side sills, means hinging the doors to the rods, means at the hinge and free edges of the doors to support the doors in closed position, angular shaped cast members attached on opposite sides of the car to the side sills, wheel housings and inclined sides, shed plates extending between the sills above and spaced from said means, laterally extending fianges on said angular members and means attaching said shed plates to said flanges.

15. The combination of a drop bottom car having side sills, supporting wheels, inclined sides extending upwardly and outwardly from the side sills, raised portions in the sides extendv ing over the wheels to form wheel housings spaced from the sills and having an inner wall and a top wall, a plurality of doors, a plurality of horizontal transversely extending hinge rods supported by the side sills, means hinging the doors to the rods, means at the hinge and free edges of the doors to support the doors in closed position, angular shaped cast members conforming in outline to the wheel housings and attached on opposite sides of the car to the side sills, wheel housing walls and inclined sides, laterally extending flanges on said angular members, shed plates extending between the sills above and spaced from said means and attaching means securing said shed plates to said anges whereby the wheel hoods and shed plates cooperate to brace the-car.

16. In a mine car, a plurality of hinge rods extending transversely of the car, a plurality of drop doors provided with hook shaped members on the free edges thereof, and means embracing said rods secured to the opposite edges of the doors and hinging the latter to the rods, said means being formed with supporting elements arranged below and substantially on the opposite side of the hinge axis from the major portion of the door and adapted to be engaged by said hook shaped members to releasably support an adjacent door in closed position, said members being so formed and arranged as to exert a force on the doors partially counterbalancing the load on adjacent doors.

17. In a drop bottom mine car, a plurality of hinge rods extending transversely of the car, a plurality of doors, hinge elements secured to the doors and embracing said hinge rods, and door supporting brackets secured to said doors on one side of a vertical plane through the axes of the hinge rods and engaging said hinge elements, said brackets being so formed as to provide supporting portions for an adjacent door disposed below said hinge rods and on the opposite side of said vertical plane.

18. In a drop bottom mine car, a hinge rod, a door, a hinge element secured to the door and embracing said hinge rod, and means for supporting the free edge portion Aof an adjacent door comprising a bracket secured to the door on one side of a vertical plane coincident with the axis of said hinge rod and engaging said hinge element to retain the latter against distorsion, said bracket being so formed as to provide a supporting element arranged on the opposite side of said plane from the major portion of the door and adapted to engage the free edge portion of an adjacent door to support the latter.

19. In a drop bottom mine car, a hinge rod extending transversely of the car, a pair of adjacent doors, and means embracing said rod and formed with portions arranged substantially to one side of the axis of the rod secured to and hinging one of the doors on said rod, said means being provided with supporting elements arranged below and substantially on the opposite side of said axis from the major portion of the door and adapted to be engaged by the free edge portion of the other door to releasably support the latter in closed position.

20. In a drop bottom mine car, a hinge rod, a door, a hinge element secured to and hinging the door to said rod, and a bracket secured to the door and underlying said hinge element, said bracket extending beyond the axis of the hinge element from the major portion of the door and being provided with a supporting element on the edge portion thereof adapted to be engaged by the free edge portion of an adjacent door to support the latter.

21. In a drop bottom mine car, a plurality of hinge rods extending transversely of the car, a plurality of drop doors having hook shaped members at one edge portion thereof, and means secured to the opposite edge portions of said doors and embracing said rods to hingedly connect the doors to said rods, said means being so formed and arranged as to provide engaging portions for said hook shaped members arranged below the hinge rods and on the opposite side of the axis thereof from the major portions of the doors.

22. In a mine car, side and end sills forming a frame, wheel carrying axles connected with the side sills, a lading supporting bottom with parts thereof` in a plane below the axles, side and end Walls attached to the sills, said side walls having wheel housings formed therein, ller members overlying the wheel housings and adjacent wall portions and having portions complemental therewith, and axle housings extending between the side sills and secured to the filler members.

23. In a mine car, side and end sills forming a frame, wheel carrying axles connected with the side sills, a lading supporting bottom with parts thereof in a plane bolo'w the axles, side and end walls attached to the sills, said side Walls having wheel housings formed therein, illler members including central deflecting portions over'- lying the wheel housings and adjacent wall portions, attaching flanges projecting inwardly from the filler members, and axle housings extending between the side sills and secured to the anges.

24. In a drop bottom mine car including side and end sills, axles, wheels supporting the axles, end walls, side lading supporting portions extending laterally from the side sills, said lading supporting portions including wheel housings, ller plates overlying said wheel housings and adjacent lading supporting portions, said ller plates including a central portion, downwardly inclined side walls and supporting ilanges projecting from said side walls, and axle housings secured to said flanges.

25. In a mine car including side and end sills, axles, wheels supporting the axles, end walls, lading supporting and retaining side portions, wheel housings included in said side structures, a plurality of hinge rods extending transversely of the car, a plurality of drop doors provided with hooked shaped members on the free edges thereof, means embracing said rods secured to the opposite edges of the door and hinging the latter to the rods, said means including supporting elements adapted to be engaged by said hooked shaped members to releasably support an adjacent door in closed position, filler members overlying the wheel housings and adjacent wall portions, and housings positioned over said hinge members and secured to the filler members.

26. In a mine car, side and end sills forming a frame, wheel carrying axles supporting the side sills, a lading supporting bottom, end walls attached to said end sills, lading retaining porti-ons connected to said side sills, wheel housings included in said lading retaining portions and spaced outwardly of said side sills, axle housings positioned over said axles, and filler members secured to said side sills, said ller members including inclined wall portions positioned to form a substantial continuation of said axle housings, and supporting anges to which the axle housings are secured.

27. In a mine car, side and end sills forming a frame, wheel carrying axles connected with the side sills, a lading supporting bottom, side and end walls attached to the side sills, wheel housings spaced outwardly of said side sills, axle housings positioned over said axles, filler members having portions complemental with portions of the wheel housings and attached thereto, and formed to provide inclined deector walls positioned between the wheel housings and the axle housings, and supporting flanges projecting from said filler members and constituting attaching means for the axle housings.-

28. In a mine car, side and end sills forming a frame, Wheel carrying axles connected with the side sills, a lading supporting bottom, side and end walls attached to said sills, wheel housings spaced outwardly of said side sills, axle housings positioned over said axles, ller members having portions complemental with portions of the wheel housings and-attached thereto, inclined deector walls positioned between the wheel housings and doors, means on the adjacent door having a portion located substantially on the opposite side vof the hinge axis from the major portion of the door and being so formed as to be engaged by said hookshaped members in such a. manner as to constantly cause said adjacent door to be biased in the direction of closing movement.

poNALD U. RICH.

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