US869651A - Bolster. - Google Patents

Bolster. Download PDF

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Publication number
US869651A
US869651A US35656307A US1907356563A US869651A US 869651 A US869651 A US 869651A US 35656307 A US35656307 A US 35656307A US 1907356563 A US1907356563 A US 1907356563A US 869651 A US869651 A US 869651A
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United States
Prior art keywords
members
tension
compression
bolster
uniting
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Expired - Lifetime
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US35656307A
Inventor
Oswald S Pulliam
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PITTSBURGH EQUIPMENT Co
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PITTSBURGH EQUIPMENT Co
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Priority to US35656307A priority Critical patent/US869651A/en
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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
    • 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

  • the prime object of my invention is to provide new and improved means for uniting the ends of the Acompression and tension-members of a metallic car-bolster whereby most of the strains occurring in 'practice at the ends of said members are taken care oi by strong end-,members or castings instead of the rivets usually Aemployed for this purpose.
  • the present invention consists of a new and improved car bolster, in the novel features of construction, and in the combination otparts all as fully ⁇ hereinafter described and claimed.
  • Figure 1 is a perspective View of a car-truck bolster constructed in accordance with my invention
  • Fig. 2 a detail sectional view pai ⁇ ticulariy showing one forni of means for uniting the ends of the compression and tension-members
  • Fig. 3 a sectional view taken ou line 3-3 of Fig. 2
  • Figs. 4 and 5 detail sectional views showing modified forms oi f my invention.
  • the compression-member l is in the form of an I-beam and the tension-member 2 formed of a bent l by Figs.A 4 and.
  • the means for uniting the respectivo ends of the compressionand tension-members comprise a coui- I members as shown by Figs. 2 and 5, or made in two parts as shown by Fig. '4.
  • the uniting means as shown comprise a plurality of rivets 4 designed to be passed through the end.
  • end-members or castings may be cast on the ends ot' the compression and tension-members instead of forming the end-membersl separately and then uniting them by means of the rivets.
  • a bolster comprising a compression-member and a teusionmember having their respective ends in Contact with one another, and comparatively heavy end-memhers overlapping 'and adapted to receive the contacting endsnof both the compression and tension-members and to sustain the main strains of both of the latter members.
  • Al bolster coniprisine a compressionmember, a -tension-nmnber, and moans ini' uniting the ends of said members comprising overlappingendjmembcrs in which the re spcctire ends oi. both the compression and tension-members moet; und rivets passed through the ends ofthe compression and tension-members and the respective endunembers.
  • a bolster comprising a compression member, a tension-member, und menns for joining thc respective ends of said members comprising :i casting' overlapping the ends ot' the compression und tcnsioimnenibers said casting ,and ends rigidi".1 joined by rivets l.. d through the casting and4 the ends ot' the said i fmbers.
  • a bolster comprising a compression-membcr of I-bcam form. a tension-member having its euds bent up over the ends ot the couipression-membcr, means for uniting the ends ol" said members und sustaining the heavy strains o1' said members comprising a comparatively heavy casting in which the ends of said members ure located, andrivets passed through the costing and ends of the compression and tmision-members,
  • a bolster comprisingT a compressionmemben a tension-member formed with end eiigagingriiunges said members having' their respective 'ends in contact with one another. und comparatively heavy end-membcrs overlappingr the contacting ends of both members and provided with moans for eue-aging the Ilanged ends of the tensionmcmber.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Helmets And Other Head Coverings (AREA)

Description

- PATENTED OCT. 29. 1907.
O. S. vPULLIAM.
BOLSTE'R. Pmoulon FILED 11:13.. 1907.
0.71/1 Il!!! lV lill! wl-rNEEEEE:
ATTORNEY UNITED STATES t PATENT OFFICE.
OSWALD S. PULLIAM,OF PITTSBURG, PENNSYLVANIA., ASSIGNOR TO PITTSBURGH EQUIPMENT COMPANY, OF PITTSBURG, PENNSYLVANIA, A CORPORATION OF PENNSYLVANIA.
BoLs'TER.
iva-869,651.
Application filed February 9 -To all whom lit may concern:
Be it known that I, OswALD S. Putman, of Pittsburg, in the county of Allegheny and State of Pennsyl- .vania,have invented certain new and useful Improvements in Bolsters, of which the following is a specification.
Y The prime object of my invention is to provide new and improved means for uniting the ends of the Acompression and tension-members of a metallic car-bolster whereby most of the strains occurring in 'practice at the ends of said members are taken care oi by strong end-,members or castings instead of the rivets usually Aemployed for this purpose.
To this end the present invention consists of a new and improved car bolster, in the novel features of construction, and in the combination otparts all as fully `hereinafter described and claimed.
In vthe accompanying drawing, which illustraws ap- ,plications of my invention, Figure 1 is a perspective View of a car-truck bolster constructed in accordance with my invention; Fig. 2 a detail sectional view pai` ticulariy showing one forni of means for uniting the ends of the compression and tension-members; Fig. 3 a sectional view taken ou line 3-3 of Fig. 2; and Figs. 4 and 5 detail sectional views showing modified forms oi f my invention.
Referring to the drawiug,as illustrated and as prefer-red, the compression-member l is in the form of an I-beam and the tension-member 2 formed of a bent l by Figs.A 4 and.
'In the form of Fig. 4 the ends of `the tension-member are turned down to form engaging-flanges 2 and in the form of Fig. 5 the ends are turned up to form simil-.rr
flanges.
The means for uniting the respectivo ends of the compressionand tension-members comprise a coui- I members as shown by Figs. 2 and 5, or made in two parts as shown by Fig. '4. In addition to the end members the uniting means as shown comprise a plurality of rivets 4 designed to be passed through the end.
specification of Letters Patent.
. 1907. 4 Serial No. 356.563.
Patented, Oct. 29, 1907.
members as weil as the meeting ends, of the compresl` sion and tension-members. '.lhe resi ectivo end-inembers are each designed to overlap and clasp the ends of boththe compression and tension-members.
Column-guides 'are formed on the ends of the endmembcrs as particularly shown by Fig. i. The ends of the respective compression and tension-members are securely claimpcd`witliin the end-members and said end-members sustain the heavy or main strains of both the compression and tension-members while the rivets sustain comparatively little strain.
Ii desired the end-members or castings may be cast on the ends ot' the compression and tension-members instead of forming the end-membersl separately and then uniting them by means of the rivets.
What. I claim is;
, l. A bolster comprising a compression-member and a teusionmember having their respective ends in Contact with one another, and comparatively heavy end-memhers overlapping 'and adapted to receive the contacting endsnof both the compression and tension-members and to sustain the main strains of both of the latter members.
:5. Al bolster coniprisine: a compressionmember, a -tension-nmnber, and moans ini' uniting the ends of said members comprising overlappingendjmembcrs in which the re spcctire ends oi. both the compression and tension-members moet; und rivets passed through the ends ofthe compression and tension-members and the respective endunembers.
3. A bolster comprising a compression member, a tension-member, und menns for joining thc respective ends of said members comprising :i casting' overlapping the ends ot' the compression und tcnsioimnenibers said casting ,and ends rigidi".1 joined by rivets l.. d through the casting and4 the ends ot' the said i fmbers.
4. A bolster comprising a compression-membcr of I-bcam form. a tension-member having its euds bent up over the ends ot the couipression-membcr, means for uniting the ends ol" said members und sustaining the heavy strains o1' said members comprising a comparatively heavy casting in which the ends of said members ure located, andrivets passed through the costing and ends of the compression and tmision-members,
5. A bolster comprisingT a compressionmemben a tension-member formed with end eiigagingriiunges said members having' their respective 'ends in contact with one another. und comparatively heavy end-membcrs overlappingr the contacting ends of both members and provided with moans for eue-aging the Ilanged ends of the tensionmcmber.
In testimony wher-colf l affix my :signature in presence of two witnesses.
OSWALD S. IULLIAM.
Witnesses:
MARGARET HUGHES, W. G. Dooni'rrnn.
US35656307A 1907-02-09 1907-02-09 Bolster. Expired - Lifetime US869651A (en)

Priority Applications (1)

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US35656307A US869651A (en) 1907-02-09 1907-02-09 Bolster.

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US35656307A US869651A (en) 1907-02-09 1907-02-09 Bolster.

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