US1125287A - Forging for car-truck side frames. - Google Patents

Forging for car-truck side frames. Download PDF

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Publication number
US1125287A
US1125287A US77385513A US1913773855A US1125287A US 1125287 A US1125287 A US 1125287A US 77385513 A US77385513 A US 77385513A US 1913773855 A US1913773855 A US 1913773855A US 1125287 A US1125287 A US 1125287A
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United States
Prior art keywords
forging
car
truck side
web
side frames
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Expired - Lifetime
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US77385513A
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William D Forsyth
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RAILWAY PRODUCTS CORP
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RAILWAY PRODUCTS CORP
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Priority to US77385513A priority Critical patent/US1125287A/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
    • B61F5/50—Other details
    • B61F5/52—Bogie frames

Definitions

  • This invention relates to improvements in forgings for car-truck side frames.
  • the principal object of my invention is to produce a forging for a car-truck side frame which will be light for its strength and which can be'easily and cheaply made.
  • the invention consists in a forging for a car-truck side frame which is made from a flanged rolled section and in which the metal is distributed so that said forging will be light and also support the loads which are imposed on it when it is in use.
  • Figure 1 is a side view of a rolled section from which said forging is fabricated;
  • Fig. 2 is an end view of Fig. 1;
  • Fig. 3 is a side view of Fig. 1'
  • FIG. 4 is a side view of the forging after the shape shown in Fig. 3 has been expanded, showing the ends of the forging as they are made in accordance with the invention
  • Fig. 5 is a side view similar to Fig. 4, showing a modified construction.
  • the forging which I have shown as embodying my invention is made from a single piece of metal, preferably a rolled section 1, which has a web 2. a top flange 3, and a bottom flange 4.
  • the top flange 3 has a larger cross-section than the bottom flange 4, and is preferably U-shaped, with a body 3', and two auxiliary flanges 3", as
  • the web 2 of the rolled section 1 is cut away for a short distance at each end from the flanges 3 and 4. and the ends of the flange 3 are cut off for a short distance so that the flange 3 is shorter than the flange .4.
  • a slot 5 which extends longitudinally thereof for part of its length between its ends, and which is located approximately midway between the flanges 3 and 4.
  • the rolled section 1 is expanded in a direction substantially at right angles to the slot 5. or in the plane of the. web2, into an open frame 15 as shown in Fig. 4. This expanding maybe done by any suitable apparatus while the rolled section 1 is either hot or cold.
  • the rolled section 1 is preferably expanded so that tllGSlOtll opens out into a substantially hexagonal opening 10 which is adapted to receive a bolster.
  • the web 2 forms upon the flanges 3 and 4 a continuous rib which extends around the opening 10.
  • Each end of the flange 4 is bent along a transverse line 13 to contact with the end 14 of the web 2, and then along a second transverse line 12 to contact with the under face of the top flanges 3.
  • the ends of the upper flange 3 and the ends of thelower flange 4 which are in contact form extensions 7, one of theextensions 7 projecting from each end of the open frame 15.
  • the upper or compression member of the open frame 15 has a middle portion 6 which lies in a plane spaced above and parallel to the plane of the extensions 7 and which is connected to said extensions by 'two downwardly inclined portions 8.
  • the lower or tension member of the open frame 15' has a middle portion 9 which lies in a plane spaced below and parallel to the plane of the extensions 7 and which is connected to said extensions by two upwardly inclined portions 11.
  • In the extensions 7 are holes 16, through which are passed the bolts which fasten the journal boxes to "the open frame 15.
  • the auxiliary flanges 3" are cut away from the middle portion 6 of the upper member between the ends of middle portion 6 in order to reduce the vertical height of the open frame 15 and to decrease its weight. Also, the weight of the open frame 15 is further reduced by cutting away the auxiliary flanges 3 from the extension 7. The removal of the portions of the auxiliary flanges 3" as described leaves a greater cross section in the downwardly inclined portions masses Obviously, the structure which I have shown and described may be considerably modified without departing from my invention; and I do not wish, therefore, to be limited to the exact structure which I have shown and described.
  • a forging for a car truck si made from a single piece of metal and comprising an upper member and a lower mem ber Whose middle portions are spaced apart to form an opening, said members being connected near their ends by a split web which is integral with said members and surrounds said opening, the end portions of each of said members extending beyond the ends of said web, each end portion of said lower member being bent against the corresponding end of said web and into contact with the corresponding end portion of said upper member, saidupper member having a cross-section greater than said lower member.
  • A, forging For a car truck side frame made from a single piece of metal and comprising an upper member and a lower member whose middle portions are spaced apart to form an opening, said members being connected near their ends by a split web which is integral with said members and surrounds said opening, the end portions of each of said Inembc" s extending beyond the ends of said web, each end portion of said 3.
  • a forging lower member being bent against the can responding end portion of said upper member, said upper member having a middle portion thereof lying in a plane parallel to and spaced above the plane of its end portions, the portions of said upper member between said middle portion and said end portions having a cross-section greater than said lower member.
  • a car truck side frame made from a single piece of metal and comprising an upper member and a lower member whose middle portions are spaced apart to form an opening, said members being connected near their ends by a split web which is integral with said members and surrounds said opening, the end portions of each of said members extending beyond the ends of said web, each end portion of said lower member being bent against the corresponding end of said web and into contact with the corresponding end portion of said upper member, said upper member having a crosssection greater than said lower member,
  • said abutting end portions of said members lying in a plane parallel to and spaced above the line extending longitudinally midway between said members.

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

Description

W. D. FORSYTH.
FORGING FOR 01m TRUCK SIDE FRAMES.
APPLIOATIOH FILED JUNE 16, 1913.
1,125,287. Patented Jan.19,1915.
WITNESSES:
rare.
WILLIAM D. FORSYTH, OF YOUNGSTOWN, OHIO, ASSIGNOR, BY MESNE ASSIGNMENTS, TO RAILWAY PRODUCTSCORPORATION, OF BUFFALO, NEW YORK, A CORPORATION OF NEW YORK.
FORGING FOR CAR-TRUCK SIDE FRAMES.
Specification of Letters Patent Patented J a n. 1.9, 1915.
Application filed June 16, 1913. Serial No. 773,855.-
To all whom it may concern Be it known that I, \VILLIAM D. FonsYrH, a citizen of the United States, residing at Youngstown, in the county of Mahoning and State of Ohio, have invented new and useful Improvements in Forgings for Car-Truck Side Frames, of which the following is a specification.
This invention relates to improvements in forgings for car-truck side frames.
Among the objects to be obtained by the invention are the following:-
The principal object of my invention is to produce a forging for a car-truck side frame which will be light for its strength and which can be'easily and cheaply made.
The invention consists in a forging for a car-truck side frame which is made from a flanged rolled section and in which the metal is distributed so that said forging will be light and also support the loads which are imposed on it when it is in use.
In the accompanying drawings forming part of this specification, Figure 1 is a side view of a rolled section from which said forging is fabricated; Fig. 2 is an end view of Fig. 1; Fig. 3 is a side view of Fig. 1'
when the rolled section thereof has been sheared and slotted preparatory to expansion; Fig. 4 is a side view of the forging after the shape shown in Fig. 3 has been expanded, showing the ends of the forging as they are made in accordance with the invention; and Fig. 5 is a side view similar to Fig. 4, showing a modified construction.
Like reference characters refer to like parts throughout the several views:
The forging which I have shown as embodying my invention is made from a single piece of metal, preferably a rolled section 1, which has a web 2. a top flange 3, and a bottom flange 4. The top flange 3 has a larger cross-section than the bottom flange 4, and is preferably U-shaped, with a body 3', and two auxiliary flanges 3", as
shown in Fig. 2.
The web 2 of the rolled section 1 is cut away for a short distance at each end from the flanges 3 and 4. and the ends of the flange 3 are cut off for a short distance so that the flange 3 is shorter than the flange .4. In the web 2 is a slot 5 which extends longitudinally thereof for part of its length between its ends, and which is located approximately midway between the flanges 3 and 4. a v
The rolled section 1 is expanded in a direction substantially at right angles to the slot 5. or in the plane of the. web2, into an open frame 15 as shown in Fig. 4. This expanding maybe done by any suitable apparatus while the rolled section 1 is either hot or cold.
The rolled section 1 is preferably expanded so that tllGSlOtll opens out into a substantially hexagonal opening 10 which is adapted to receive a bolster. After the rolled section 1 is expanded, the web 2 forms upon the flanges 3 and 4 a continuous rib which extends around the opening 10. Each end of the flange 4 is bent along a transverse line 13 to contact with the end 14 of the web 2, and then along a second transverse line 12 to contact with the under face of the top flanges 3. The ends of the upper flange 3 and the ends of thelower flange 4 which are in contact form extensions 7, one of theextensions 7 projecting from each end of the open frame 15. The upper or compression member of the open frame 15 has a middle portion 6 which lies in a plane spaced above and parallel to the plane of the extensions 7 and which is connected to said extensions by 'two downwardly inclined portions 8.
The lower or tension member of the open frame 15'has a middle portion 9 which lies in a plane spaced below and parallel to the plane of the extensions 7 and which is connected to said extensions by two upwardly inclined portions 11. In the extensions 7 are holes 16, through which are passed the bolts which fasten the journal boxes to "the open frame 15.
In the modified construction shown in Fig. 5, the auxiliary flanges 3" are cut away from the middle portion 6 of the upper member between the ends of middle portion 6 in order to reduce the vertical height of the open frame 15 and to decrease its weight. Also, the weight of the open frame 15 is further reduced by cutting away the auxiliary flanges 3 from the extension 7. The removal of the portions of the auxiliary flanges 3" as described leaves a greater cross section in the downwardly inclined portions masses Obviously, the structure which I have shown and described may be considerably modified without departing from my invention; and I do not wish, therefore, to be limited to the exact structure which I have shown and described.
\Vhat I claim as my invention is 1. A forging for a car truck si made from a single piece of metal and comprising an upper member and a lower mem ber Whose middle portions are spaced apart to form an opening, said members being connected near their ends by a split web which is integral with said members and surrounds said opening, the end portions of each of said members extending beyond the ends of said web, each end portion of said lower member being bent against the corresponding end of said web and into contact with the corresponding end portion of said upper member, saidupper member having a cross-section greater than said lower member.
2. A, forging For a car truck side frame made from a single piece of metal and comprising an upper member and a lower member whose middle portions are spaced apart to form an opening, said members being connected near their ends by a split web which is integral with said members and surrounds said opening, the end portions of each of said Inembc" s extending beyond the ends of said web, each end portion of said 3. A forging lower member being bent against the can responding end portion of said upper member, said upper member having a middle portion thereof lying in a plane parallel to and spaced above the plane of its end portions, the portions of said upper member between said middle portion and said end portions having a cross-section greater than said lower member.
for a car truck side frame made from a single piece of metal and comprising an upper member and a lower member whose middle portions are spaced apart to form an opening, said members being connected near their ends by a split web which is integral with said members and surrounds said opening, the end portions of each of said members extending beyond the ends of said web, each end portion of said lower member being bent against the corresponding end of said web and into contact with the corresponding end portion of said upper member, said upper member having a crosssection greater than said lower member,
said abutting end portions of said members lying in a plane parallel to and spaced above the line extending longitudinally midway between said members.
In witness whereof, I have hereunto my hand in the presence of two subscribing witnesses.
WILLIAM D. FORSYTH. Witnesses:
M. E. 'Inosms, A. M. Nnnrnn.
US77385513A 1913-06-16 1913-06-16 Forging for car-truck side frames. Expired - Lifetime US1125287A (en)

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