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US821312A - Car-truck bolster. - Google Patents

Car-truck bolster. Download PDF

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Publication number
US821312A
US821312A US28164705A US1905281647A US821312A US 821312 A US821312 A US 821312A US 28164705 A US28164705 A US 28164705A US 1905281647 A US1905281647 A US 1905281647A US 821312 A US821312 A US 821312A
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United States
Prior art keywords
car
bolster
web
truck
truck bolster
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Expired - Lifetime
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US28164705A
Inventor
Oswald S Pulliam
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Individual
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Individual
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Priority to US28164705A priority Critical patent/US821312A/en
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Publication of US821312A publication Critical patent/US821312A/en
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Expired - Lifetime legal-status Critical Current

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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
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
    • B61F5/04—Bolster supports or mountings

Definitions

  • a car-truck bolster comprising a comcitizen of the United States, residing at Pittspression member, a tension member and a burg, in the county of Allegheny and State of web connecting said members constructed of Pennsylvania, have invented new and useful three T-shaped pieces, and means for secur- Improvements in Car Truck Bolsters, of ing the T-pieces together. which the following' is a specification. 2.
  • a car-truck bolster substantially T- 60 The object of my invention is to provide a shaped in cross-section, comprising a comnew and improved car-truck bolster particupression member having edge flanges extendlarly designed to take care of all torsional in above and below said member throughstrains to which truck-bolsters are subjected out the length of the member, a tension mem- 1n practice. ber, and a web connecting the compression 65
  • a further object of the present invention is and tension members. the production of a truck-bolster of such form 3.
  • a car-truck bolster having a top memcar-trucl bolster, in the novel features of conv ber formed of two substantially T-shaped struction and in the combination of parts, all pieces, each provided with an engaging flange, as fully hereinafter described and claimed. a bottom member, and a web connecting the a
  • a car-truck bolster having a top memy is a top plan view of a bolster constructed in ber formed of two substantially T-shaped' accordance with my invention; Fig. 2, a side pieces, each provided with an engaging fiange, elevational view; Fig.
  • a car-truck bolster having a top mem Referring to the drawings, the truck-bolster ber formed of two substantially T-shaped as illustrated in the form of Fig. 1 comprises pieces, each providedwith an engaging flange, the top or compression member, the bottom a bottom member, a web connecting said 8 5 members, said web located between the two engaging fianges, and means for uniting the flanges an web.
  • a car-truck bolster having a top member formed of two substantially T-shaped pieces, a bottom member and web formed of a single substantially T-shaped piece, and means for securing the web to the top member.
  • a car-truck bolster having a top member formed of two substantially T -shaped pieces, each provided with an engaging flange, a bottom member and web formed of a single substantially T-shaped piece, said web located between the flanges and means for uniting the web and flanges.
  • the compression member is constructed of two T -pieces 2 2, each provided with a downwardly-projecting flange 3.
  • each piece 2 has an edge flange, which flange eX- tends above and below the top or compression member.
  • the tension member and the web are formed of a single T-piece 4.
  • the three T-pieces 2, 2, and 4 are joined together directly under the compression member by means of rivets 5, which latter are passes through the flange 3 of each T-piece 2 and through the upper edge of the web portion of T-pieces 4.
  • bolster In the form of Fig. 4 the bolster is cast as an integral structure.
  • the center-bearing 6 and the usual end bearings 7 are shown and may be secured to the compression member in any suitable manner.

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

Description

No. 821,312. PATENTED MAYZZ O. S. PULLIAM.
GAR TRUCK BOLSTER.
APPLICATION FILED ooT.e. 1905.
INVNT'OR l @Maw n m 55 Q -i -..E mt 1 M E 1 w ATTORNEY Mmnzw a. GRAHAM ce, Moro-unionmwrw wnswumom u Q UNITED sTATEs PATENT oEEroE.
OSWALD S. PULLIAM, OF PITTSBURG, PENNSYLVANIA.
CAR-TRUCK B OLSTER.
N 0. 821,312. Specification of Letters Patent. if 3336111366- May 22, 1906- Application filed October 6, 1905. Serial No. 281,647.
What I claim is-- To ZZ whom t may concern:
Be it known that I, OswALD S. PULLIAM, a
1. A car-truck bolster comprising a comcitizen of the United States, residing at Pittspression member, a tension member and a burg, in the county of Allegheny and State of web connecting said members constructed of Pennsylvania, have invented new and useful three T-shaped pieces, and means for secur- Improvements in Car Truck Bolsters, of ing the T-pieces together. which the following' is a specification. 2. A car-truck bolster substantially T- 60 The object of my invention is to provide a shaped in cross-section, comprising a comnew and improved car-truck bolster particupression member having edge flanges extendlarly designed to take care of all torsional in above and below said member throughstrains to which truck-bolsters are subjected out the length of the member, a tension mem- 1n practice. ber, and a web connecting the compression 65 A further object of the present invention is and tension members. the production of a truck-bolster of such form 3. A car-truck bolster having a top memthat it maybe built up of a plurality of T- ber formed of two substantially T-shaped pieces suitably joined or cast as an integral pieces, a bottom member and a web connectstructure. ing the two members. 7O To these ends my invention consists, of a 4. A car-truck bolster having a top memcar-trucl; bolster, in the novel features of conv ber formed of two substantially T-shaped struction and in the combination of parts, all pieces, each provided with an engaging flange, as fully hereinafter described and claimed. a bottom member, and a web connecting the a In the accompanying drawings, which illussaid members. 75 Jtrate applications of my invention, Figure 1 5. A car-truck bolster having a top memy is a top plan view of a bolster constructed in ber formed of two substantially T-shaped' accordance with my invention; Fig. 2, a side pieces, each provided with an engaging fiange, elevational view; Fig. 3, a cross-sectional means for securing the fianges together, a botview taken on line II II of Fig. 2, and Fig. 4 a tom member, and a web connecting said 8O cross sectional view showing the bolster members. `formed as an integral structure. 6. A car-truck bolster having a top mem Referring to the drawings, the truck-bolster ber formed of two substantially T-shaped as illustrated in the form of Fig. 1 comprises pieces, each providedwith an engaging flange, the top or compression member, the bottom a bottom member, a web connecting said 8 5 members, said web located between the two engaging fianges, and means for uniting the flanges an web.
7. A car-truck bolster having a top member formed of two substantially T-shaped pieces, a bottom member and web formed of a single substantially T-shaped piece, and means for securing the web to the top member.
8. A car-truck bolster having a top member formed of two substantially T -shaped pieces, each provided with an engaging flange, a bottom member and web formed of a single substantially T-shaped piece, said web located between the flanges and means for uniting the web and flanges.
In testimony whereof I affix my signature in presence of two subscribing witnesses.
OSWALD S. PULLIAM.
or tension member, and the vertical web joining said compression and tension members. In this form of bolster the compression member is constructed of two T -pieces 2 2, each provided with a downwardly-projecting flange 3. In addition to the flange 3 each piece 2 has an edge flange, which flange eX- tends above and below the top or compression member. The tension member and the web are formed of a single T-piece 4. The three T-pieces 2, 2, and 4 are joined together directly under the compression member by means of rivets 5, which latter are passe through the flange 3 of each T-piece 2 and through the upper edge of the web portion of T-pieces 4.
In the form of Fig. 4 the bolster is cast as an integral structure. The center-bearing 6 and the usual end bearings 7 are shown and may be secured to the compression member in any suitable manner.
Witnesses:
W. Gr. DOOLTTTLE, E. M. FERGUSON.
IOO
US28164705A 1905-10-06 1905-10-06 Car-truck bolster. Expired - Lifetime US821312A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US28164705A US821312A (en) 1905-10-06 1905-10-06 Car-truck bolster.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28164705A US821312A (en) 1905-10-06 1905-10-06 Car-truck bolster.

Publications (1)

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US821312A true US821312A (en) 1906-05-22

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US28164705A Expired - Lifetime US821312A (en) 1905-10-06 1905-10-06 Car-truck bolster.

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