US1775614A - Car construction - Google Patents

Description

Sept. 9, 1930. O'CONNOR 1,775,614

CAR CONSTRUCTION Filed Nov. 18, 1929 74 222655 Jain/[ 0&221102" Patented Sept. 9, 1930 I EYPATENT r'FICE JOHN F. oooNnoR, or crrroneo, rumors. Assmnon To W. n. MINER, INC., on CHICAGO, ILLINOIS, a oonronarron or DELAWARE CONSTRUCTION Application filed Neveinber 18j 1929. Serial N0. 407,913.

vide a simple and effective locking center pin arrangement for body and truckbolsters of 15 railway cars, which maybe readily applied and removed from the bolsters and presents maximum. resistance against shearing action by filling the entire cross sectional area of the center pin openings, and further providing maximum resistance against tension strains by shouldered engagement with the bolsters of exceptionally great area.

. A further object of the invention is to PTO: videa locking center pin including a plurality of sections, each having flanges at opposite ends thereof cooperatingwith shoulders on the bolsters adjacent the center pin openingsthereof, the sections and pin receivflanged portions of the sections will readily pass through the openings to permit assembly of the pin with the bolsters, and wherein a plurality of combined filler and spreading members are provided for spreading the sections apart to hold the flanges thereof in shouldered engagement with the bolsters; the filler members forming a part of'the pin and adding to the thickness of the same to increase the resistance against shearing. the iill or members being also provided with retaining lugs at'opposite ends having shouldered engagement with both bolsters to thereby alsoincrease the amount of shouldered engagement of the pin with the bolsters, adding to the tensile strength of the" pin.

g' Op ng ing so proportioned that the i A still further object of the inventionis to provide a center pin of the character indicated in the preceding paragraph wherein simple and BfillClGlllJ means in the form] of a retaining element is provided for holding the parts assembled and wherein the retaining element extends through the central part of the pin and performs the additional function of a combined spreader and fillerelement for holding the lugs of the'filler memhers in shouldered engagement with the bolsters. Other objects of the invention will more clearly appear from the description and claims hereinafter following.

In the drawing, forming a part of this specification, Figure 1 is. a top plan view of the central portion of a body bolster of a railway car, illustrating my improvements in connection therewith, the bolster being partly broken away. Figure 2 is a vertical sectional view corresponding substantially to the line 2-2 of Figure 1. Figure 3 is a horizontal sectional View corresponding substantially to the line 3+8 of Figure 2. And Figure 4 is a detailed perspective view of one of the main sections of my improved center pin.

In said drawings, 10 indicates generally the body bolster of the railway car and 11 the truck bolster hereof. The body bolster is prOVided vi ththe usual bearingenlargement 12 at the bottom side thereof, which has a sub stantially spherical bearing surface at apted to cooperate with hearing i'neans onthe truck bolster. The truck bolster has abearing seat 13 of well known-form provided. on the top thereof, a bearing 1 block 14 bein disposed in said seat.v The bearing block l lhas a concave spherical bearing surface cooperating with the bearing surface of the projection .12 of the body bolster. The bearing projee tion 12 of the body bolster is provided with a relatively shallowcentral socket 15 into which an upstanding central enlargement 16 of the bearing plate 14 extends. The body and truck bolster members are provided with alined pockets 1'? and 18, respectively, which are adapted to accommodate the head portions of the center pin.

In carrying out my invention, I provide the body and truck bolsters with alined openings 19 and of circular cross section. As shown, the openings 19 and 20 are of smaller diameter than the pockets 17 and 18, thereby providing annular shoulders adjacent these openings. The bearing plate 14: is also provided with an opening 21 alined with the openings 19 and 20 and corresponding in diameter thereto. The openings 19, 20 and 21 together form the center pin receiving openings of the two bolsters.

My improved center pin construction comprises broadly three main sections A-AA, three filler sections B-Bl3 and a retaining element C.

The main sections A are of similar design, each comprising a shank portion 22 and enlargements 23-23 at the top and bottom ends of the shank portion formin head members. On the outer side, the shank portion 22 of each section A has a cylindrical surface portion 24: adapted to fit the curved inner surface of the center pin receiving openings 19, 20 and 21. As most clearly shown in Figures 1, 3 and 4t, each section A is of sector-like cross section and has converging flat inner faces 2525. The head members 23-23 provide flange-like sections of curved form adapted to engage with corresponding portions of the annular shoulders of the body and truck bolsters respectively. The sections A are of such a size that they may be entered through the pin receiving openings of the bolsters either by insertion from the bottom of the truck bolster or from the top of the body bolster. The sections A may be assembled with the bolsters by inserting the same in succession, one at a time, into the openings of the bolsters and then spreading the same apart so as to engage the shoulders formed by the heads 23 with the corresponding annular shoulders of the two bolsters.

The filler sections l3 are of similar design and correspond in number to the main sections. As most clearly illustrated in Figures 1 and 3, one of said filler sections is interposed between two adjacent main s ions A and holds the same separated and in such a position that the shoulders thereof a re maintained in engagement with the annular shoulders of the bolsters. The liller sections E are in the form of relatively heavy plates each having a shank portion having lugs 2T-27 at opposite ends thereof forming head members adapted to engage with the annular shoulders of the body and truck bolsters respectively. The plates B are of such a size that when applied between the three main sections of the pin, they, together with the main sections, entirely fill the center pin re ceiving openings of the bolsters. The outer edges of the sections B are rounded off so as to fit the walls of the center pin receiving openings and the curvature of the rounded edges corresponds to the curvature of the outer surfaces of the shank portions of the main sections of the pin. At the inner end each of the filler sections B is vertically grooved as indicated at 28 to accommodate the retaining element C. Each filler section B also has the corners at the inner end cut away as indicated at 29-29 to thereby facilitate assembling of these sections with the main sections of the pin.

As most clearly illustrated in Figures 3 and 4, the head members 23 of the main sections A are slightly cut away at opposite ends along the vertical edges thereof, as indicated at 3030 to facilitate passing of these head sections through the pin receiving openings 19, 20 and 21 of the bolsters.

The retaining element C is preferably in the form of a bolt having the shank thereof disposed between the inner ends of the filler sections B and seated in grooves 28 thereof. At the upper end the bolt C is provided with the usual head and a washer 31 is interposed between the head and the sections of the pin. The belt is locked to the pin by means of a nut 32 at the bottom end thereof, a washer similar to the washer 31 being interposed between the nut and the bottom end of the pin. The washers 31 at the top and bottom ends of the pin overlap the sections A and B so as to hold the same against relative displacement in a vertical direction. As will be evident, the bolt C thus in addition to holding the parts of the pin assembled also functions as a spreading element for holding the sections B in outermost position in shouldered engagement with the annular shoulders of the bolsters.

In applying the sections of the pin to the bolsters, the same may be entered either through the pocket 17 of the body bolster or the pocket 18 of the truck bolster. The sections A, assuming the same to be applied through the bottom of the truck bolster, are inserted one at a time, the enlarged head portion 23 at the upper end being passed through the openings 20, 21 and 19 of the bolsters. Each section A, after being inserted through the openings of the bolsters is displaced laterally outwardly to bring the head portions thereof in shouldered engagement with the annular shoulders of the two bolsters. As will be evident, by displacing each section before the succeeding section is applied, ample clearance is provided in the pin receiving openings of the bolsters to permit passage therethrough of the head portion 23 of the next section to be applied. After the three sections A have been applied, they are positioned substantially as shown in Figures 1 and 3 so as to provide clearance, between the bols er a i. V s As will be evident, the :clearance provided B. Theliller sections B are ,preferaldy also inserted separately and insuccessionl, the enlargedends tariiying the retaining lugs being ofsuch diinensionsthatthey will pass freely through theopenings of: thebolsters. Afterea'ch filler section B as e n ted, thesame is displaced radially outwardly so findslflielieof over, the annular shoulders of by the space which accommodatesthe shank hofthe retaining bolt C together with the clearance provided by cutting away opposite sides at the inner ends of the members B allows suliicientspace within thecenter vpin receiving openings'to permit the passage of the headed section of'the filler B last applied, After the filler sections B have been positioned as shownin Figures 1 and 3, the retaining bolt Gis appliedby inserting the same through the; center of the assembled pin WYhen the nut of the bolt is tightened, the bolt will prevent relative vertical displacement of thevarious sections of th e pin 1S llercinbefore pointed out. ,In 1 addition, by QntaC-t' with th has ends-oft e ler 5 tions B the bolt vholds these sections in their warmest-position and these sections in turn maintain.themainsections A spread apart; As will "be evident, all ofthe sections of the pinmay .be'a-ppli'edin. the manner hereinbfo're pointed out;by enter-ing the same through the top of the pocket 17- ot the body b lst r. f: d When removing thccenter pin, the procedure hereinbefore described is reversed, that is,the bolt is first removed,the sect ions Bare then displacfeclradially inwardlyto disengage the shoulders thereof from the shoulders of the bolsters and are then withdrawn one at a time through the center pin openings, and the sections A are then removed in" succession by displacinglleach of the same inwardly so as toiclearthe shoulders of the bolsters, thereby permitting with drawal through the center pin openings.

From the preceding descriptiontalren in connection with the drawings, it will beevident that l have provided exceedingly eflicient and rugged centerpin whichmay readily applied to; and removed from the 'loolsters, and which affords maximum resist.-

a nce against shearing and tensile strains. By providing the plurality of sections, each having head membersat opposite ends. there-i of which are formed integral therewith, and designing t hejsame as disclosedthead menibers are provided at opposite ends ofthe see-. tional pin, which head members engage the annular-shoulders ofthe pin receiving openings throughout the extent, of said shoulders, thereby giving maximum bearing engagesment of. the. members with the shoulders of the bolsters.

I have herein shown and described what I nowconsider the preferred mannerof car- ,ry-mgout my lnvention, but the same is more ly llustrative and'l contemplate all changes and modifications that come within the scope =ofvth e claimsappended hereto. 1 A l a claim: 7 Y astosengagethe lugs 27; at the top and bottom bolsters being provided with an annular shoulder adjacent the outer end of the opening thereof; of a sectional center pin, the

sections of which are each shouldered at opposite ends and are adapted to be entered through said openings, and said shouldered sections being adapted to be spread apart after being assembled with the bolsters to engage the shoulders of each section with the annular shoulders of the bolsters,said sections havingshouldered engagement with the annular shoulders of the bolsters throughout the extent of said annular shoulders of the bolsters; andmeansfor holding said sections spread apart. 7 a 1 1 1 n construction, the combination with/body and truck bolsters having alined ,centerpin receiving openings, each of said bolsters being provided with an annular shoulder adjacent theouter end of the opening thereof; of a sectional center pin having 1.. In car construction, the combination,

shouldered engagement with theannular shoulders of the bolsters throughout the extent ofthe shoulders of the bolsters, each of the sections of saidpin having shouldered engagement with both bolsters; and means for maintaining said sectionsin said shouldered engagement.

3. In car construction, the combination dersiof both bolsters, and each filler section also having: shouldered engagement with both bolsters, saidfiller sections holding the main sections engaged with the shoulders of the bolsters; and means for holding said filler sections engaged with the shoulders of-the bolsters. l V

o 4.111 ,car construction, the combination with body and truck bolsters having alined center pin recelvlng openings, each of said bolsters being provided with an annular shoulder adjacent the-outer end of the opening thereof; of a sectional center pin including a plurality of main sections and a plurality of filler sections, said main sections each having shouldered engagement with the ani nular shoulders of both bolsters, said filler sections corresponding in number to the main sections and being interposed therebetween to maintain the shouldered engagement thereof with the bolsters; and means for holding the parts of said pin assembled.

5. In car construction, the Combination with body and truck bolsters having alined Center pin receiving openings, each of said bolsters being provided with an annular shoulder adjacent the outer end of the open ing thereof; of a sectional center pin including a plurality of main sections and a filler section, each main section having shouldered engagement with the annular shoulders of both bolsters, said filler section being insertible between certain of said main sections after the main sections have been brought into shouldered engagement with the bolsters, said filler section serving as a spreading and retaining member to hold said main sections in said shouldered engagement; and combined filler and retaining means for holding said parts assembled.

6. In car construction, the combination with body and truck bolsters having alined center pin receiving openings, each of said bolsters being provided with an annular shoulder adjacent the outer end of the opening thereof; of a sectional center pin including a plurality of main sections and a filler section, said main sections each having shouldered engagement with the annular shoulders of both bolsters and said filler section being interposed between certain of said main sections to hold the same spread apart and in shouldered engagement, said filler section also having shouldered engagement with both bolsters, said filler section being insertible between said main sections after said main sections have been brought into shouldered engagement with said bolsters; and means for holding the parts assembled and maintaining said filler section in shouldered engagement with said bolsters.

7. In car construction, the combination with body and truck bolsters having alined center pin receiving openings, each of said bolsters being provided with an annular shoulder adjacent the outer end of the opening thereof; of a center pin including a shank member having head members at opposite ends thereof having shouldered engagement with the annular shoulders of the bolsters throughout the extent of said shoulders, said pin being composed of a plurality of sections, each section having a shank portion and head portions at opposite ends of the shank portion having shouldered engagement with both bolsters, said sections being insertible through said openings in succession to assemble the pin; and means for holding said sections of the pin assembled and maintaining the shouldered engagement thereof with said annular shoulders.

8. In car construction, the combination with body and truck bolsters having alined center pin receiving openings, each of said bolsters being provided with an annular shoulder adjacent the outer end of the opening thereof; of a center pin including a plurality of main sections each having a shank portion and arcuate flanges at opposite ends, a plurality of filler members corresponding in number to said main sections; and a central retaining element, said filler members each having a shank portion and lugs at opposite ends thereof, each filler member being interposed between two adjacent main sections, said central retaining element being interposed between said filler members at the inner ends thereof to hold the same separated, said flanges of the main sections and said lugs of the filler members together forming complete head members at opposite ends of the pin having shouldered engagement with said annular shoulders of both bolsters throughout the extent of said shoulders.

9. In car construction, the combination with body and truck bolsters having alined center pin receiving openings, each of said bolsters being provided with an annular shoulder adjacent the outer end of the opening thereof; of a sectional center pin including a plurality of main sections, filler sections and a spreading member, said main sections being of sector shape form in horizontal section, said filler sections being of plate-like form, a filler section being interposed between each two adjacent main sections, said main sections and filler sections together forming a complete cylindrical pin, each of said main sections and filler sections having a central shank portion and head portions at opposite ends thereof, said head portions at opposite ends having shouldered engagement with the annular shoulders of said bolsters respectively; and retaining means comprising a bolt extending centrally through said pin and holding said filler members spaced apart, said bolt having shouldered engagement at opposite ends with the sections of said pin to prevent vertical separation thereof.

10. In car construction, the combination with body and truck bolsters having alined center pin receiving openings, each of said bolsters being provided with an annular shoulder adjacent the outer end of the opening thereof; of a center pin including a shank member having head members at opposite ends thereof having shouldered engagement with the annular shoulders of the bolsters throughout the entire 360 of each of said annular shoulders, said pin being composed of a plurality of sections, each section having a shank portion and head portions at opposite ends of the shank portions having shouldered engagement with both bolsters, each of said sections being insertible through openings in assembling the pin with the bolsters and a central filler member headed at the upper end and having a shank portion disposed between said sections for holding the same a spread apart and in shouldered engagement with the annular shoulders of both bolsters,

the head of said filler member engaging the

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