US1066550A - Car-underframe. - Google Patents

Description

V. M. SUMMA.

GAR UNDERFBAME.

APPLICATION FILED APB.. 2, 1913;

Patented July 8, 1913.

u... -wut W1 TNESSES:

Patented July 8, 1913.

2 SHEETS-SHEET 2.

V. M. SUMMA.

CAR UNDERPRAMB.

APPLICATION FILED APR. 2. 1913. 1,066,550.

I @Lx/m. m

NN n A I. I@ @N0 @WM I @Ngnmmm l INVENTOR. WITNESSES: ULL M. W d* @XI/@MM BY ATTORNEYS.

. UNIrEn STATES' .PATENT OFFICE.

'VICTOR-M sUMMA, or s'. LOUIS, MISSOURI, AssIGNoR 'ro AMERICA1I` can ANI FOUNDRY coMrANY, or sT'. LOUIS, MISSOURI, A conPoRA'rIoN or NEW JERSEY.

' A CARUNnERFRAME;

1,066,550, l speciacftiqn of Lettersratent. Patentedgulyg, 1913 i Y Application med Aprile, 1913. serialnavssez.

certain new -and useful Improvements in Car-Underframes, of which the following is a full, clear, and exact descriptiomnsuch as will enable `otl'iers skilled in the artto which it ap'pertains toinake and to use the sa me, reference being had tot-he accompanying-drawings, which illustrate the preferred form of theinrention, though .it is to be un# derstood that the inyention 1s not limited to the exact details of construction shown Aand described; as it is obvious thatfrarious modifications thereof will occur to persons skilled 1n the art.

In said drawings: Figure 1 is a. plan view partly in horizontal section of theA end portion of` an underframe, showing al bolster connected therewith, as hereinafter described. Fig. 2 is a central, longitudinal, sectional view of the structure shown in Fig. 1. the section being taken on lineQ-Z of Fig. 1. Fig. 3 is a plan viewsomewhat simi-l lar to F ig. 1, with the exceptionthat in Fig. 1 all ofihe draft sills hereinafter referred yto are shown and only a part ofthe bolster, whereas in Fig. 3 the draft sills are cut off and one-half of a bolster is shown with a fragment of a side sill connected thereto, Fig. 4 is a transverse, `sectional view, the sectien being taken on line 'lt-t of Fig. 3.

The invention herein specifically shown and described an amplification of the inventive idea disclosed in my application for Letters Patent, Serial No. 552,507, filed March 31, 1910. for car `underframe, and includes the .method of connecting with the sills of an underframe a bolster, as indicated in said application, details of construction differing, among other things, as follows:

In the earlier application a single cast center sill is disclosed, which single sill is bifui-cated within the bolsters; that is, commencing at a portion of the sill before the. sill reaches the holsters, and connected with the bifurcated portion in the earlier appli vcation is a pair of channel-shaped draft sills, the bifurcated extensions of the center sill and the draft sill both lapping and being connected directly to a bolster.

The present invention is specific to spaced center sils A-Ag that is, to center sill members comprising spaced sections, which may ferred, which sections are separately formed and preferably extend from between the draft sills vat each.- 'end of '.-the car continu ously: across the` intervening space, -to,'the ends of which sections are attached draft sills, 'the draft sills lapping the end portions of the center sills, which latter have their vWebs longitudinally slotted,in such manner ,as to`close'the slots in .the center sills after be either rolled or built up., as may be pre?.I

a bolster has been inserted, `as hereinafter described and as indicated in said earlier application. 1

In the specificembodiment of the invenf `tion disclosed in the draw-ings'the center sillscomprise spaced' built up channelshaped sections comprising a-plate or web Vportion 1, which is slotted longitudinally to its end, as indicated 'at 2 inv Fig.'2 ofthe drawing, and 'connected with the Web l are reinforcing angles 3--3, preferably rolled angles. The center sills A-A may be A'of uniform depth, or deeper at the middle, asA may be desired, and it isv evident that Where the center sills are of uniformi `depth they may be formed from commercially-rolled sections or from pressed sections, which may be either channel-shape,`Z-shape, or of any other' suit-able form in cross section..

The draft sillsl 4 are shown as formed of Z-shape in cross section, and may be either rolled or pressed or built. up, as may be desired, though for convenience of manufacture and to secure the desired vwidth of flanges, a pressed section is preferred, said section having a' top flange 5, bottom .Harige G and vertical web portion 7, to the latter of which there is shown att-ached a conventional form of draft lug 8 in Figs. 1 and Q, said lug being broken off in Fig. 3. The bolster used in this combination is preferably acastfmember, indicated generally by the numeral 10, and comprises acontinuous` top portion which includes the flange `11, bestI shown in Fig. 4, which tiange is continuous from end to end of the bolster. Between. the center sills this't-op member is reinforced, as shown in section in Fig. 2, by longitudinally extending ribs or vertical anges, and between the-center sills there is connected with the middle portion of said top member 11 a depending apronlike extension 12, the object of which will be hereinafter cxplained.- .l

Connected with the continuous top' Harige vbefore referred to are side bearing extensions.l5l and combined jacking cast-ing and ropingstaple A16, to the latter of which and Vto the 'end ,face and top' end portion. ofA the outergend o f-tlie bolster diaphragms, there is shown connected Z-sliaped Vside sill 17,

which conforms to the contour of the outer i 'end of the bolster, though it isevident that' any form of sideV sill;- either rolled, upl

. .orplate girder.. may be u sed.`

Between the spaced "center sills and a .compression member 2.0 ot'A the bolster, which provided with flanges 21. Extending longitudinally of the sills and through said flanges 21 rivets 2.21am projected for connecting the member 2Q .tothe spaced cen# tier sills below `thebifurcation 2 therein` thereby forming a spacing member and a compression member 'between said sills which, in the preferred embodiment of the vso -i'ng flanges 26, .which are end; portions vvith l .tensions 27 whicliare seated in intresses- 28,

invention, serves as the-only means for'con neeting th'e'holster to said center sills.

.'T-he -illei portion 20'is `lappednhy Vthev apron 12, before referred to,- and. rivets 24:

are'projected horizontally through the vertical apron 12 and an upwardlyfextending' llange 25 ofthe bolster`v filler 20. The filler 2O is also provided. with outwardly.' extendprovided at their upwar. ly disposed exforined inthe lovversnged portion '|29l of thebolster diaphragme 13,- and connecting the langes. with the i'ni'xerxno-stA extensionv of the. ewiges ze farekverucsi belegd-.basi

i "As-the bolsterf-is I 'are continuous from. points intermediate' the 1 `biilsiters,.and the end-.sillstlie Aslots -2` the center sills periforr'nan important .function .in assein'blugthe parte ofthe underrame, Aduring which, the yfiingiillro the bolsteris 1 slipped into the ends 'of 'the' slots 2- ofthe f :center sills andeartied, as shown in-Fig.2, 'to the inner' portion, pof,`` saidV slots,' afterl v'vhichthe bottomjillerftneiuber 20 ofthe `bolster `isfsli into; position' froinjhe low and carried orwardlyfas shown'in section in Fig. 2,'so that4 its yertieal flange'f25 will Y lap the depending apron l2,V projecting.

f dov'nwardly Vfrom'-t-heitop flange 11 of the bolster. The anges 25 and 12 beingriveted together and-the flanges `21 being connected to" the" webs l ofthe cente'rslls, hold the bolster firmly in position.A After then bolster has been slipped to its operative position, as 'es just described, the draft sills are applied and riveted in the positions shown-inthe drawings; that is, 'with their web portions T lapping the outermost slotted portion of the Webs l of the center-sills, in which osition the draft sills are securedbysnitavle connecting means, as rivets Thus far the invention has lieendescribed with the partsfbeing vasseinl: led in'such'relation that the bolster is projeotedi'into; slots foi-ined inthe center sills, butlitjisA evident that it the draft sills are extended rear- Wardly ofthe bolster', as in said earlier ap i plication, and the center sills are,lc'iiinected ,to extensions-o the'draft-siIls', gvhichvprd ject bet-)veen the holsters, it will not-be neces,- sary" tol slot said center sills, though additional reinforcement ivouldprobably he re-v quired if `the parts "arearranged with slotted draft sills'and lunslotted*center sills. l

To reinforce'the center girder,coinprising the spaced center sills, l have rovided a bottom tie'plate 40 and a top'tie plate or cover plate 4l, and it is evident that the top cover plate nialv'he continuous` it, desired, :from end to end of the center sills.` Y What I claim is A f l, ln combination, a pair of spaced center sills and a pair of spaced draftfsills con-A nected therewith to forni extensions thereof, one pair of said sills being provided `with longitudinally` extending slots, and the other pair o tv saidsillsgbein'g arranged t-o 4cover one end of said slots,-i`i'i v confihinatior'i with a bolster brought-iiito assembled relation'to said sills by rnovenient longitudinally of the sills. j-

2. In combination 'apair o-'spaced-center ifoo i Asills having -veitical web platesjaiidfa'pair' i of spaeed draft vvsill'sfhaving'[vertical'wveb l plates, the plates ofone pair of'. said sills `eing vslotted' and the other of said pair of y sills being-.connected with the Webs of the .Y l i slotted sills atvr t-Wosides of saidV slots, in Y l A .continuous at lits upper "portion, from end to. end, andthe center sills land the other of said sills lapping the'slotted -sills at two sides of said slots,lin combinetion -Withla bolster having a continuous portion spanning said vsills and proiectmg .through and Vbeyond thes'ai'n'e,y and having another portion -interposed between said sills. A. 'f 4. lira-car underframe, spaced center sills the Webs of which are longitudinally slotted,

a bolster having continuous topp'ortion pro-v -jected into said slot, spaced draft sills cennected with the webs of said center sillsv above and below said slots and thereby clos ing the outer ends of the slots, and a portion of said bolster serving as a compression member between said center sills.

5( In combination, spaced flanged center sills and spaced flanged draft sills, the center sills having webs slotted to their ends and the draft sills being connected to said webs to form closures for parts of said slots, in combination with a bolster having a continuous portion extending through said slots and being seated therein by movement longitudinally of the sills, and having a portion disposed between said sills.

6. In combination, spaced flanged center sills and spaced flanged draft sills, the center sills having webs slotted to their ends Aand the draft sills being connected to said webs to form closures for parts of said slots, in combination with a bolster having a con tinuous portion extending through said slots and being seated therein by movement longitudinally of the sills and having a portion disposed between said sills, and a tie plate coilinected to flanges of both pairs of said sil s.

7 In combination, spaced channel shaped center sills slotted longitudinally from their ends, a bolster having a continuous top portion and intermitted flanged diaphragms cooperating with said sills, thel top portion occupying the slots of the sills and the diaphragms extending away from the sills, said bolster comprising a central -portion connecting the diaphragms with the sills.

8. In combination, spaced channel shaped center sills slotted longitudinally from their ends,` a bolster having a continuous top portion and intermitted flanged diaphragms cooperating with said sills, the top portion occupying the slots of the sills and the diaphragms extending away from the sills, said bolster comprising a central portion serving as the sole means for connecting the diaphragms with the sills.

9. In combination, spaced channel shaped center sills slotted longitudinally from their ends, a bolster having a continuous top portion and intermitted flanged diaphragms cooperating with said sills, the top portion occupying the slots of the sills and the diaphragms extending away from the sills, said bolster comprising a central portion connecting the diaphragms with the sills, and Z-shaped draft sills lapping the slotted por tion of the center sills.

10. In combination, shaped channel shaped center sills slotted longitudinally from their ends, a bolster comprising a single continuous recessed casting and a filler for said recess and having,r a continuous top portion and intermitted flanged diaphragms coperating with said sills the top portion occupying the slots of the sills and the diaphragms extending away from the sills, said bolster filler portion connecting the vdiaphragms with the sills.

In witness whereof I have hereunto set my hand in the presence of two witnesses.

VICTOR M. SUMMA.

Witnesses OSCAR HOCHBERG, WILLIAM V. MORRISON.

Copies of this patentimay be obtained for ve cents each, by addressing the Commissioner of Patents,

' Washington, D. C.

Images