US760709A - Brake-beam fulcrum-post. - Google Patents

Brake-beam fulcrum-post. Download PDF

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Publication number
US760709A
US760709A US18819404A US1904188194A US760709A US 760709 A US760709 A US 760709A US 18819404 A US18819404 A US 18819404A US 1904188194 A US1904188194 A US 1904188194A US 760709 A US760709 A US 760709A
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United States
Prior art keywords
brake
post
lever
block
fulcrum
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US18819404A
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William E Sharp
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GEORGE B ROBBINS
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GEORGE B ROBBINS
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Priority to US18819404A priority Critical patent/US760709A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H13/00—Actuating rail vehicle brakes
    • B61H13/34—Details
    • B61H13/36—Beams; Suspension thereof

Definitions

  • beams for railway-cars and has reference more particularly to anew and improved construction of fulcrum-post forsupporting the brakelever.
  • FIG. 1 is a top plan View of the outer or, supporting element of my improved fulcrum-post shown attached to a brake-beam of I-beam formation
  • Fig. 2. is a transverse sectional view through the brake-beam, showing the complete fulcrum-post in edge elevation, with a section of the brake-lever mounted therein.
  • Fig. 3 is an end view of the parts, shown in Fig. 2 viewed. in the direction indicated by the arrow in the latter figurerand
  • Fig. 4 is an edge view of the lever-carrying block which cooperates with and is carried by the supporting-frame shown in Fig. 1, showing also a section of the brake-lever mounted therein.
  • My'improved fulcrum-post comprises two separable elements or members, one of which is rigidly united to the brake-beam, while the other is slotted and apertured to receive the brake-lever and its pivot-pin and is capable of engagement with said first-named element or member in two diiferentpositions to accommodate either a right-hand or a left-hand brake-lever.
  • 1.0 designates a brake-beam of I-beam formation, to the center of which the fulcrum-post is applied.
  • the lugs 12 and 13 are spaced apart a distance at least equal to the width of the double flange on the brake-beam with which they engage, so that the casting can be applied'to the latter by first setting it against said double flange in a direction transversely of the latter and then giving it a quarter-turn to carry the lugs into engagement with said flange and the web.
  • Theinner surface of the parallel main arms of the casting 11 are provided with longitudinally-extending tongues 11.
  • This block 16 designates what I term the lever-block, being the element which directly carries the brake-lever.
  • This block which is of a length equal to the inside length of the U-shaped casting 11 ,has a diagonal slot formed therethrough and extending nearly from end to end thereof for the reception of the brake-lever 18, such slot being indicated at 17 by the dotted lines in Fig. 3.
  • This block also has formed in opposite edges thereof parallel grooves 19, extending from end to end thereof and adapted to en a e the ton ues 11 and alsoa ertures b b b 9 22 passing through the opposite end of said I 'In applying the device to a brake-beam the lever-block 16 is first inserted in the casting 11 from the open end of. the latter, after which the casting'll, containing the lever- 1 block, is applied to the brake-beam in a manher and by the means already described.
  • cording as the lever-block is designed to carry a right orleft hand lever said block is inserted in the U-shaped casting with one or the other end foremost, it being evident that by inserting the lever-block with one end foremost the slot 17 will lie in a position to accommodate a right-hand lever, while by insorting it with the opposite end foremost the rigidly in operative position throughout its entire length by the tongues 11 and is also prevented from displacement through end- Wise movement by the face of the brake-beam at one end and the transverse member of the casting 11 at the other end.
  • a fulcrum-post for brake-beams comprising a pair of parallel arms adapted to be rigidly united at their inner ends to the brakebeam, and a brake lever block mounted between said arms and removably united to the latter bytongue-and-groove connections on said arms and block, respectively, substantially as described.
  • a fulcrum-post for brake-beams comprising a U-shaped member adapted to be rigidly unitedto the brake-beam, and a brakelever block mounted Within said U-shaped member,-said members being separably united by tongue-and-groove connections, substantially as described.
  • a fulcrum-post for brake-beams comprising a U-shaped member adapted to be rigidly united to the brake-beam, the parallel arms of said member having longitudinallyextending tongues, and a brake-lever block having longitudinally-extending grooves on opposite sides thereof engaging the tongues of said U-shaped member, substantially as described.
  • a fulcrum-post for brake-beams comprising a U-shaped member adapted to be rigidly united to the brake-beam, and an 0bliquely-slotted brake-lever block insertible either end foremost Within said U-shap ed member, said member and block having cooperating tongue-and-groove connections whereby they are removably united, substantially as described.
  • a fulcrum-post for brake-beams comprising a U-shaped member having at its base a pair of oppositely-extending lugs shaped to embrace the Web and flange of the brake-beam on opposite sides of the latter and spaced apart a distance equal to or greater than the width of the flange of said brake-beam, in combination with an obliquely-slotted brake-lever block insertible either end foremost within said U-shaped member, said member and block having cooperating tongue-and-groove connections whereby they are separably united, substantially as described.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Description

No.- 760,709, PATBNTED MAY 24, 1 904. I
W. E. SHARP. I 'BRAKE BEAM FULGRUM POST.
APPHGATION rum) JAILG, 1904. no 30mm,
3 SHEETS-SHEET 1.
Tue news was m. womutnu, WA NIN T N No; 760,709. 1 PATENTED MAY 24, 1904.
w. E. SHARP. BRAKE BEAM-FULGRUM POST,
APPLICATION FILED JAN. 8, 1904. .10 110mm. a SHEETS-SHEET 2.
In: mm: Fergus 00., l O10-LITH6..WASNINGYON o c No. 760,709.: 7 PATBNTED MAY 24, 1904.
BRAKE BEAM FULGRUM' POST.
APPLIUATION FILED JAN. 8, 1904.
3 SHEETS-SHEET 3.
N0 MODEL.
Patented Ma} 24, 1904.
UN T D STATES PAT NT QFFICE,
WILLIAM E SHARP, or oIIIoAeo, ILLINOIS, A SIeNoR OF ONE-HALF To GEORGE, B. RO B N or HINSDALE, ILLINOIS.
BRAKE-BEAM FULCRUM-POST.
SPECIEICATION forming p'art of IJetters Patenthio. 760,709, datedMayQl, 1904.
Application filed January 8, 190*.
beams for railway-cars, and has reference more particularly to anew and improved construction of fulcrum-post forsupporting the brakelever.
My invention in the preferred form is illustrated in the accompanying drawings, where- Figure 1 is a top plan View of the outer or, supporting element of my improved fulcrum-post shown attached to a brake-beam of I-beam formation; Fig. 2. is a transverse sectional view through the brake-beam, showing the complete fulcrum-post in edge elevation, with a section of the brake-lever mounted therein. Fig. 3 is an end view of the parts, shown in Fig. 2 viewed. in the direction indicated by the arrow in the latter figurerand Fig. 4 is an edge view of the lever-carrying block which cooperates with and is carried by the supporting-frame shown in Fig. 1, showing also a section of the brake-lever mounted therein.
My'improved fulcrum-postcomprises two separable elements or members, one of which is rigidly united to the brake-beam, while the other is slotted and apertured to receive the brake-lever and its pivot-pin and is capable of engagement with said first-named element or member in two diiferentpositions to accommodate either a right-hand or a left-hand brake-lever.
Referring to the drawings, 1.0 designates a brake-beam of I-beam formation, to the center of which the fulcrum-post is applied. 11
designates a U-shaped casting the ends of which are provided with oppositely-extending lugs 12 and 13 so shaped as to engage and snugly fit, respectively, the flanges on that side of the brake-beam to which the fulcrum-post is attached, the ends of said lugsbeing extend- Serial No. 188,194. (No model.)
ed down alongside the opposite sides of the web and united thereto by rivets 14 and 15, respectively. The lugs 12 and 13 are spaced apart a distance at least equal to the width of the double flange on the brake-beam with which they engage, so that the casting can be applied'to the latter by first setting it against said double flange in a direction transversely of the latter and then giving it a quarter-turn to carry the lugs into engagement with said flange and the web. I Theinner surface of the parallel main arms of the casting 11 are provided with longitudinally-extending tongues 11.
16 designates what I term the lever-block, being the element which directly carries the brake-lever. This block, which is of a length equal to the inside length of the U-shaped casting 11 ,has a diagonal slot formed therethrough and extending nearly from end to end thereof for the reception of the brake-lever 18, such slot being indicated at 17 by the dotted lines in Fig. 3. This block also has formed in opposite edges thereof parallel grooves 19, extending from end to end thereof and adapted to en a e the ton ues 11 and alsoa ertures b b b 9 22 passing through the opposite end of said I 'In applying the device to a brake-beam the lever-block 16 is first inserted in the casting 11 from the open end of. the latter, after which the casting'll, containing the lever- 1 block, is applied to the brake-beam in a manher and by the means already described. Ac-
cording as the lever-block is designed to carry a right orleft hand lever said block is inserted in the U-shaped casting with one or the other end foremost, it being evident that by inserting the lever-block with one end foremost the slot 17 will lie in a position to accommodate a right-hand lever, while by insorting it with the opposite end foremost the rigidly in operative position throughout its entire length by the tongues 11 and is also prevented from displacement through end- Wise movement by the face of the brake-beam at one end and the transverse member of the casting 11 at the other end.
I claim 1. A fulcrum-post for brake-beams comprising a pair of parallel arms adapted to be rigidly united at their inner ends to the brakebeam, and a brake lever block mounted between said arms and removably united to the latter bytongue-and-groove connections on said arms and block, respectively, substantially as described.
2. A fulcrum-post for brake-beams comprising a U-shaped member adapted to be rigidly unitedto the brake-beam, and a brakelever block mounted Within said U-shaped member,-said members being separably united by tongue-and-groove connections, substantially as described.
3. A fulcrum-post for brake-beams comprising a U-shaped member adapted to be rigidly united to the brake-beam, the parallel arms of said member having longitudinallyextending tongues, and a brake-lever block having longitudinally-extending grooves on opposite sides thereof engaging the tongues of said U-shaped member, substantially as described.
4. A fulcrum-post for brake-beams comprising a U-shaped member adapted to be rigidly united to the brake-beam, and an 0bliquely-slotted brake-lever block insertible either end foremost Within said U-shap ed member, said member and block having cooperating tongue-and-groove connections whereby they are removably united, substantially as described.
5. A fulcrum-post for brake-beams comprising a U-shaped member having at its base a pair of oppositely-extending lugs shaped to embrace the Web and flange of the brake-beam on opposite sides of the latter and spaced apart a distance equal to or greater than the width of the flange of said brake-beam, in combination with an obliquely-slotted brake-lever block insertible either end foremost within said U-shaped member, said member and block having cooperating tongue-and-groove connections whereby they are separably united, substantially as described.
WILLIAM E. SH ARI.
Witnesses:
SAMUEL N. POND, L. F. MoGnEA.
US18819404A 1904-01-08 1904-01-08 Brake-beam fulcrum-post. Expired - Lifetime US760709A (en)

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