US1178494A - Underframe. - Google Patents
Underframe. Download PDFInfo
- Publication number
- US1178494A US1178494A US84720714A US1914847207A US1178494A US 1178494 A US1178494 A US 1178494A US 84720714 A US84720714 A US 84720714A US 1914847207 A US1914847207 A US 1914847207A US 1178494 A US1178494 A US 1178494A
- Authority
- US
- United States
- Prior art keywords
- sill
- center
- underframe
- center sill
- truss
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F1/00—Underframes
- B61F1/02—Underframes with a single central sill
Definitions
- My binvention relates to metallic underframes for railway cars and is directed especially to steel underfram'es Vof unusual length wherein thev longitudinal members, and particularly the center sill, can be made of such form and size to successfully Vsustain thev vertical strainsof the load imposed upon it, are, owing totheir eXtreme length,
- the object of my invention is to provide 'a construction whereby the center, sill is not only strongly trussed against lateral deiection but wherein all the principal members of the underframe are thoroughly tied in a single unitary structure, insuring agalnst distortion and maintaining it in th general rectangular form against all ordinary service shocks and strains.
- Figure 1 is a perspective view of approximately one half of an underframe, showing the preferred form of invention wherein the bow shaped truss members' extend from bolster to bolster.
- Fig. 2 is asimilar view of a modified form, wherein the bow shaped truss members extend from end sill 'tvend sill.
- Fig. 1 is a perspective view of approximately one half of an underframe, showing the preferred form of invention wherein the bow shaped truss members' extend from bolster to bolster.
- Fig. 2 is asimilar view of a modified form, wherein the bow shaped truss members extend from end sill 'tvend
- I3 is a detail indicating that the truss members may be located'on top of the cross-bearers .as shown lsectioned in full lines, or underneath as shown in dotted lines.
- Fig. 4 isa similar detail with the truss member passing through the web of the cross bearers.
- sills made of a single I beam which is always to be 40 feet.or less in length center sills of adeguate rigidity and strength are always available, but for cars 'of unusual length such as the modern 50 t0n capacity 50 ft.l 'box cars, the sills are 'so long, that' while sections of sufiicient depthl are available from. which sills may be constructed of suthclent strength and"stitlne'ss to properly sustain a verticalA load, they are liable to be too weak and lilnber laterallyto ⁇ properly resist buiiing shocks of train service.4
- My invention resides in providing means for stiifening or trussing a single center sill (although it can be just as readily applied to a doubleA center sill) against sidewise or lateral deflection.
- the preferred manner of accomplishing this is shown in Fig. 1 where in the angles 6. 6 are extended from the body-bolster to body-bolster 4 with their ends securely riveted to the bolster on each' side of and in close proximity to the center sill l. These angles are gradually 4bowed outwardly aantil they closely approach the side sills 2. 2 at the center of the underframe, from which point theyagain bow inwardly tothe bolster' at the other end of the underframe.
- These truss chords may be.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Description
Cu j. Wl
' UNIDERFRAME.-4
1,178,494. 'Patented Apr; 11. 1916.
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CLAUS J. wennen-einsamorcnnvnN-rgom, IOWA, AssIGNonro BETTENDORF comrpangporn'rrnunonr, Iowa, A conronArIoN .or Iowa,-
' UNDERFBAME."
ratenteanpr. i1, 191e.
. f Applikation sied June 25, 1914. serial No. 847,202.
1'0 awwwm'z'tmay concern.:
Be it known that I, CLAUS J; WERNERh CLASEN, a citizen of the .United States ot America, and resident of Davenport,Scott county, Iowa, have invented a 'certain new and useful Improvement r1n Underframes,
' of which the following is a specication.
My binvention relates to metallic underframes for railway cars and is directed especially to steel underfram'es Vof unusual length wherein thev longitudinal members, and particularly the center sill, can be made of such form and size to successfully Vsustain thev vertical strainsof the load imposed upon it, are, owing totheir eXtreme length,
more or less easilydeected sidewise or' laterally by the buling and pulling shocks of train service.
The object of my invention is to provide 'a construction whereby the center, sill is not only strongly trussed against lateral deiection but wherein all the principal members of the underframe are thoroughly tied in a single unitary structure, insuring agalnst distortion and maintaining it in th general rectangular form against all ordinary service shocks and strains. This I accomplish by the mechanism shown in the accompanying'drawings in which- Figure 1 is a perspective view of approximately one half of an underframe, showing the preferred form of invention wherein the bow shaped truss members' extend from bolster to bolster. Fig. 2 is asimilar view of a modified form, wherein the bow shaped truss members extend from end sill 'tvend sill. Fig. I3 is a detail indicating that the truss members may be located'on top of the cross-bearers .as shown lsectioned in full lines, or underneath as shown in dotted lines. Fig. 4 isa similar detail with the truss member passing through the web of the cross bearers.
Similar reference numerals refer to simi-4 lar parts throughout the several views'.
While I have shown only one endv of an underframe it is to be understood that both ends are similarly constructed. The center sill l, side sills 2. 2, end sill 3, bolster 4 and cross bearers 5. 5.` 5.'are members common to underframes of 'this type and form Ano part of my present invention. They can be of vany desired shape and construction.
I have chosen to show a center sill made of a single I beam which is always to be 40 feet.or less in length center sills of adeguate rigidity and strength are always available, but for cars 'of unusual length such as the modern 50 t0n capacity 50 ft.l 'box cars, the sills are 'so long, that' while sections of sufiicient depthl are available from. which sills may be constructed of suthclent strength and"stitlne'ss to properly sustain a verticalA load, they are liable to be too weak and lilnber laterallyto `properly resist buiiing shocks of train service.4
My invention resides in providing means for stiifening or trussing a single center sill (although it can be just as readily applied to a doubleA center sill) against sidewise or lateral deflection. The preferred manner of accomplishing this is shown in Fig. 1 where in the angles 6. 6 are extended from the body-bolster to body-bolster 4 with their ends securely riveted to the bolster on each' side of and in close proximity to the center sill l. These angles are gradually 4bowed outwardly aantil they closely approach the side sills 2. 2 at the center of the underframe, from which point theyagain bow inwardly tothe bolster' at the other end of the underframe. vThey are securely riveted to each cross bearer at the .point of intersection therewith, thus forming the chords of a heavy powerful truss' on eachside of the sill, in which the cross bearersA function as struts (it being understood that the cross bearers are all securely riveted to the center sill at the point of contact or intersection therewith) made to'extend from end'sill to end sill as shown in Fig. 2, or they may be made to bow inwardly toward the center sill as diagrammatically shown by the dotted lines 7. 7 Being rigidly secured tov all the cross bearers with which they come in contact they not only stien the center silllaterally in fact they would `perform their function of preventing lateral buckling of the center sill in an underfraiue without side sills fullxv as well as'in an underfr'ame with side sills.
These truss chords may be.
imam@ holsters :and -cross bearers extending from.
side Sill to sld@ sill and secured to sacl cent@ sill5 bowslmpebuckling-resisting chords on each Sid@ ml in the hormntjal plane of said center sill extending 'from lool- Ser to balszer anal' nterSecoing said CrosSl bcarers mld scurad hereto.,
i u B u bmatwn ojl. a @enigerslll and '2. 'la an undarl'rame for cars7 the com lloW Shaped trusa chords extendmg rom end i@ end of 'f-id. center sill on sach side and in the horimntal ,lana folwreof Aand strut formn' cross I v bearers Sammel so said 'truss' olmrcls and cm1- 'ter sill, said chords bln {10mi-rum; cl rolld flanged steel t0 rislst zrsml be of Said center sill.
' ln an rxcl'erframe *for Cars, tha Combi nation of Cellier sill-lateral-bucklng-regsing means comprising rolled flanged 00W- shapefl truss chords extending colffnuouslfn from end to end of said center Sill on each side lunl n the horizontal plane thereof, and. u plurality of shut-forming cross; bearers secured to snfl truss chords and center sill. Sgnecl by me :Lt Davenport, low@a *Llus 23rd day on June., i914.
CLAUS J. WERNER CLASEN.,
llltnesss J. L. (lz-Ummm W. (3f. QUAYLE.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US84720714A US1178494A (en) | 1914-06-25 | 1914-06-25 | Underframe. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US84720714A US1178494A (en) | 1914-06-25 | 1914-06-25 | Underframe. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1178494A true US1178494A (en) | 1916-04-11 |
Family
ID=3246483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US84720714A Expired - Lifetime US1178494A (en) | 1914-06-25 | 1914-06-25 | Underframe. |
Country Status (1)
Country | Link |
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US (1) | US1178494A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6722288B2 (en) * | 2001-05-02 | 2004-04-20 | Trn Business Trust | Railway box car with lower center of gravity |
EP4344976A1 (en) * | 2022-09-28 | 2024-04-03 | Siemens Mobility GmbH | Method for producing a base frame for a car body of a rail vehicle and base frame |
-
1914
- 1914-06-25 US US84720714A patent/US1178494A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6722288B2 (en) * | 2001-05-02 | 2004-04-20 | Trn Business Trust | Railway box car with lower center of gravity |
EP4344976A1 (en) * | 2022-09-28 | 2024-04-03 | Siemens Mobility GmbH | Method for producing a base frame for a car body of a rail vehicle and base frame |
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