US1002469A - Underframe for railway-cars. - Google Patents

Underframe for railway-cars. Download PDF

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Publication number
US1002469A
US1002469A US55965210A US1910559652A US1002469A US 1002469 A US1002469 A US 1002469A US 55965210 A US55965210 A US 55965210A US 1910559652 A US1910559652 A US 1910559652A US 1002469 A US1002469 A US 1002469A
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sills
center
draft
center sills
truss member
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US55965210A
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Victor M Summa
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ACF Industries Inc
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American Car and Foundry Co
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    • 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

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  • APPLICATION FILED MAY 5, 1910. 1,002,469, Patented Sept. Mile 4 sHEETe--SH' vvv V M. SUMMA. UNDERFRAM PoR RAILWAY GARS. ⁇ APPLICATION FII-.ED HAYE, 1910.
  • Figure l is a top plan view of an underframe .embodying the fea-v tures of the present invention, approximately one half of the structure being broken away for the saving of space.
  • Fig. 2 is a longitudinahrertical, section therethrough taken on the plane indicated by line 2-2 of Fig. l.
  • Figs. 3 and e are transverse vertical sections taken respectively on the planes indi cated by lines 3-3 and 4me of Fig. 1.
  • Fig. 5 is an end view.
  • Fig. 6 is a fragmentary top plan of a portion of one bolster and connected. parts shown on an enlarged scale.
  • Fig. 7 is a transverse vertical section therethrough taken just outside the bolster.
  • Fig. 8 is a side elevation thereof.
  • Fig. 9 is a view similar :to Fig. 6 of one of the cross bearers and connected parts.
  • Fig. l0 is a transverse section therethrough talren just outside the cross bearer.
  • Fig. ll is a side elevation thereof.
  • Fig. l2 is a view partly in elevation and partly in transverse vertical section of a slightly modified embodiment.
  • l' A are the center sills, B B the side sills, and C the end sill.. "llie side and center sills are connected by the usual tie bars D, cross-bearers E, and holsters F.
  • Sills il. are provided with a cover plate l and are trussed with a downwardly opening channel truss member 2 spaced at intermediate points from the'center sills by struts 3, each comprising an I section tapering from its upper edge to its lower edge and having its upper ilrnigesl ri vetcd to the lower anges of the center sills, and 4its lower flanges riveted to the web of truss member Q, a strut 3 bei-ng provided ust inside each cross bearer Specification of Letters Patent.
  • Each of the sills A is preferably an outwardly openingchannel which extends into bolsters F and terminates outside the diaphragms of said bolsters, as at 6 6, each of said bolsters being of the builtup type comprising the usual top and bottom cover plates and fixed to the diaphragms and bridging the space between the center sills, the top cover plate being extended across the upper surface of the cover plate l of the center sills.
  • Draft sills 4:-4 are formed separately from the center sills and have their inner ends abutting against the respective ends of the center sills, and are connected thereto by splice plates 5-5 and by the flanges of the truss member 2.
  • the cover plate 1 of the center sills is extended beyond the ends of the .center sills and is fixed to the upper lianges of the draft sills for strengthening the connection between t-he draft sills and the center sills.
  • the forward edges of the bolster cover plates are also extended and are riveted to the upper and lower flanges of the draft sills for further strengthening the connection between. the draft sills and center sills.
  • Truss member 2 ext ands upwardly on an incline at its end portions outside of the struts 3 to a point intermediate the width and between t-he center sills A and extends thence outwardly, and approximately horizontally through the respective holsters F to the outer end of the splice plates 5.4
  • the flanges of the channel 2 are riveted to the web of the draft and center sills throughout the length of the splice plates, the rivets also of course extending through the splice plates which are disposed between the respective channel flanges and sill webs.
  • the web of the end portions of the channel truss member 2 spans the space between the center sills and between the draft sills, and the connection of the flanges of said member 2 to the webs of the draft sills as well as to the webs of the center sills, in addition to connecting the draft to the center sills, affords lateral stiffening inea-ns for said. sills and aids in obviating lateral separation thereof.
  • Each cross bearer E comprises upper and lower stress members 7 ably formed of a channel, 'the former opening upwardly and -the latter downwardly.
  • each prefer- Upper member 'l' has its web rivetedintermediate its length to the flanges of sills A and to Ithe cover plate thereof, and at its ends' it l flanges are riveted to plates 9-9 which extend downwardly and are riveted to thef flanges of member 8, the outer end of each plate 9 beingA bent and riveted to the web of the respective sill B, the plate being cut away at its lower outer corner for accommodating the lower liange of the side sill. This is 'true when an inwardly opening channel side. sill is em ployed, but it is ofy course obvious, as seen in Fig.
  • a side 'sill B may be employed of Zl section, in which instance the sill seats olf all cross members will ybe adapted to conform to the section of the sills.
  • the lower member S of each cross bearer E extends beyond plate 9 and beneath the lower flange of side silll) and has its webriveted thereto.
  • the web of/mem ber 8, intermediate the length thereof, is riveted to the lower flanges of the sills A.
  • Members 7 and 8 are also connected by channel struts 10-10 intermediate their length between the side andcenter sills, each strut sustaining a nailing strip bracket 11.
  • trussed center sills vand separately formed draft sills, the truss member of the centerl sills being connected to thc draft sills and connecting the draft sills ⁇ together at one end of the under frame.
  • trussed center sills and separately formed draft sills comprising a channel connecting the draft sills to the center sills and connecting said draft sills together and said center sills together.
  • a car under frame comprising spaced center sills, draft sills formed independently of said center sills, a truss member for said center sills of less width than the space between said center sills, and splice plates between. said truss member and said center sills for connecting said draft sills to said center sills and being connected to said triiss member.
  • center sills having'its ends extending between and connecting the spaced center sills and the spaced draft sills, and also connecting said center sills and draft sills.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Description

v. M. SUMMA. UNDERFBAME PORBAILWAY GARS.
. APPLICATION FILED MAY 5, 1910. 1,002,469, Patented Sept. Mile 4 sHEETe--SH' vvv V M. SUMMA. UNDERFRAM PoR RAILWAY GARS.` APPLICATION FII-.ED HAYE, 1910.
Patentd sept. 5,1911'.
HEARTS-SHEET z.
v. M. SUMMA. UNDERFRAME FOR- RAILWAY CARS.
APPLIOATIONMLBD11.115.191@
Patented Sept. :5,11911.
V. M. SUMMA.V UNDERFRAME PoR BILWAY GARS.
APPLIOATION FILED IYB, 1910.
l Patented Sept. 5,1911.
4 SHEETS-SHEET I Irll (All AaTEs PATENT orrron.
VICTOR IVI. SUMMA, 0F ST. LOUIS, MISSOURI, ASSIGNOR TO AMERICAN GAR AND FOUNDRY COMPANY, OF LOUIS, MISSOURI, A CORPORATION OF NEW UNDERFRAME ron RAILWAY-GARS.
not limited ,to the exact details of construction shown and described, as it is obvious that various modioations thereof will occur to persons skilled in the art.
ln said drawings: Figure l is a top plan view of an underframe .embodying the fea-v tures of the present invention, approximately one half of the structure being broken away for the saving of space. Fig. 2 is a longitudinahrertical, section therethrough taken on the plane indicated by line 2-2 of Fig. l. Figs. 3 and e are transverse vertical sections taken respectively on the planes indi cated by lines 3-3 and 4me of Fig. 1. Fig. 5 is an end view. Fig. 6 is a fragmentary top plan of a portion of one bolster and connected. parts shown on an enlarged scale. Fig. 7 is a transverse vertical section therethrough taken just outside the bolster. Fig. 8 is a side elevation thereof. Fig. 9 is a view similar :to Fig. 6 of one of the cross bearers and connected parts. Fig. l0 is a transverse section therethrough talren just outside the cross bearer. Fig. ll is a side elevation thereof. Fig. l2 is a view partly in elevation and partly in transverse vertical section of a slightly modified embodiment.
Referring to the details, l' A are the center sills, B B the side sills, and C the end sill.. "llie side and center sills are connected by the usual tie bars D, cross-bearers E, and holsters F.
Sills il. are provided with a cover plate l and are trussed with a downwardly opening channel truss member 2 spaced at intermediate points from the'center sills by struts 3, each comprising an I section tapering from its upper edge to its lower edge and having its upper ilrnigesl ri vetcd to the lower anges of the center sills, and 4its lower flanges riveted to the web of truss member Q, a strut 3 bei-ng provided ust inside each cross bearer Specification of Letters Patent.
Application filed May 5,
Patented Sept. 5, 1911. 1910. seriai No. 559,652.
therefrom. Each of the sills A is preferably an outwardly openingchannel which extends into bolsters F and terminates outside the diaphragms of said bolsters, as at 6 6, each of said bolsters being of the builtup type comprising the usual top and bottom cover plates and fixed to the diaphragms and bridging the space between the center sills, the top cover plate being extended across the upper surface of the cover plate l of the center sills.
Draft sills 4:-4 are formed separately from the center sills and have their inner ends abutting against the respective ends of the center sills, and are connected thereto by splice plates 5-5 and by the flanges of the truss member 2. The cover plate 1 of the center sills is extended beyond the ends of the .center sills and is fixed to the upper lianges of the draft sills for strengthening the connection between t-he draft sills and the center sills. The forward edges of the bolster cover plates are also extended and are riveted to the upper and lower flanges of the draft sills for further strengthening the connection between. the draft sills and center sills. Truss member 2 ext ands upwardly on an incline at its end portions outside of the struts 3 to a point intermediate the width and between t-he center sills A and extends thence outwardly, and approximately horizontally through the respective holsters F to the outer end of the splice plates 5.4 The flanges of the channel 2 are riveted to the web of the draft and center sills throughout the length of the splice plates, the rivets also of course extending through the splice plates which are disposed between the respective channel flanges and sill webs.
It is to be noted that the web of the end portions of the channel truss member 2 spans the space between the center sills and between the draft sills, and the connection of the flanges of said member 2 to the webs of the draft sills as well as to the webs of the center sills, in addition to connecting the draft to the center sills, affords lateral stiffening inea-ns for said. sills and aids in obviating lateral separation thereof.
Each cross bearer E comprises upper and lower stress members 7 ably formed of a channel, 'the former opening upwardly and -the latter downwardly.
i E and preferably spaced a short distance and 8, each prefer- Upper member 'l' has its web rivetedintermediate its length to the flanges of sills A and to Ithe cover plate thereof, and at its ends' it l flanges are riveted to plates 9-9 which extend downwardly and are riveted to thef flanges of member 8, the outer end of each plate 9 beingA bent and riveted to the web of the respective sill B, the plate being cut away at its lower outer corner for accommodating the lower liange of the side sill. This is 'true when an inwardly opening channel side. sill is em ployed, but it is ofy course obvious, as seen in Fig. 12, that a side 'sill B may be employed of Zl section, in which instance the sill seats olf all cross members will ybe adapted to conform to the section of the sills. The lower member S of each cross bearer E extends beyond plate 9 and beneath the lower flange of side silll) and has its webriveted thereto. The web of/mem ber 8, intermediate the length thereof, is riveted to the lower flanges of the sills A. Members 7 and 8 are also connected by channel struts 10-10 intermediate their length between the side andcenter sills, each strut sustaining a nailing strip bracket 11.
l hat l claim is:
l.y In a car nnderframe,l the combination with. built-up bolsters having diaphragms, of'ccnter sills extending beyond thebolster diaphragme, draft sills abutting against the ends of the center sills, splice plates con'- necting the draft sills to the center sills and a channel truss member for the center sills having its ends extending between and connect-ing the center sills and draft sills together.`
2. In a car underframe, the combination with flanged center sills and `separately formed draft sills, splice plates connecting said center sills and draft sills, of a channel truss'me'mber extending between and fixed to the splice plates,the center'sills and the draft .sills and spaced intermediate its length from the center sills, and a strut disposed transversely of' the center sills and extending therefrom to the truss member.
3. In a car underframc, trussed center sills vand separately formed draft sills, the truss member of the centerl sills being connected to thc draft sills and connecting the draft sills` together at one end of the under frame.
4. In a car underframc, t-russed center sills and separately formed draft sills, said center sills and draft sills boing connected by a truss member of said center sills, said trussmen'lbcr connecting the draft sills together at one end of the under frame.
5. ln a car underframc, trussed. center sills and separately formed draft sills, the center sills and draft sills being connected by `a truss member of said. center sills and said truss membei' also cornecting the draft sills together and the center sills together at one end of the under frame.
6. In a car underframe, trussed center sills and separately formed draft sills, the truss member of the center sills comprising a channel connecting the draft sills to the center sills and connecting said draft sills together and said center sills together.
7. ln a car underframe, center sills, separately formed draft sills and a channel member having its flanges connected to the draft sills and to the center sills, and connecting all of said sills together.
8. .ln a car under frame, the combination with built up bolsters having diaphragme, .of center sills extending beyond the bolster diaphragms, separately formed draft sills in alinement with the center sills, splice platesl connecting the draft sills to the centerfsills, and a channel truss member for the center sills having its ends extending between the center sills and engaging and being connected tosaid splice plates.
9. In a car under frame the combination comprising spaced center sills, draft sills formed independently of said center sills, a truss member for said center sills of less width than the space between said center sills, and splice plates between. said truss member and said center sills for connecting said draft sills to said center sills and being connected to said triiss member.
10. In a car under frame, the combination with built up bolsters having diaphragms, of center sills, extending beyond the bolster diaphragms, draft sills abutting against the ends of the center sills, bolster cover plates connecting the draft sills to the center sills, and a channel truss member forv the center sills having its ends fixed to and connecting the draft sills and center sills.
1l. In a car under frame the combination comprising center sills, a cover plate for said center sills, separately formed draft sills, said cover plate being fixed to saidgdraftsills for connecting said draft sills to said center sills, and a truss member l'or said center sills ada pied for connectingsaid draft sills to said center sills.
l2. ln a car under frame, tbc combination coit.] i'isi1ig center sills', a cover plate for said renier sills, separately formed draft sills in alincnwnt with said `center sills, said cover .plaie being fixed io said draft sills for connecting said drul't sills to said center sills, a truss member for said center sills adapted vfor connecting said draft sills to said center sills, a bolster, and a bolster cover plat-e fixed to said draftsills. i
lf3. ln acar under frame, the combination with built up bolsters having diaphragms,
of channel center sills extending beyond the the Webs of said center sills for connecting said draft sills to said center sills and for connecting said draft sills together and said .center sills together, Ia .splice plate fixed to plate fixed to said draft sills and to said center sills.
14. In a car underframe, the combination with built-up holsters having diaphragms,
of spaced center sills extending beyond the bolsterdiaphragms, spaced draft sills abutting the ends of the center sills, splice plates connecting the draft sills to the center sills,
and a channel truss member for the center sills having'its ends extending between and connecting the spaced center sills and the spaced draft sills, and also connecting said center sills and draft sills.
` In witness whereof I have hereunto set my hand in the presence of two Witnesses.
' .y VICTOR M. SUMMA.
Witnesses: f
OSCAR lI-IooHBERs, CHARLOTTE Mrrvm.A
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2504113A (en) * 1945-04-17 1950-04-18 Budd Co Underframe for vehicles, fspecially railway cars
EP2110291A3 (en) * 2008-04-14 2011-07-20 Hitachi Ltd. Car body structure for a railway vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2504113A (en) * 1945-04-17 1950-04-18 Budd Co Underframe for vehicles, fspecially railway cars
EP2110291A3 (en) * 2008-04-14 2011-07-20 Hitachi Ltd. Car body structure for a railway vehicle

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