US1513956A - Draft arm - Google Patents
Draft arm Download PDFInfo
- Publication number
- US1513956A US1513956A US684793A US68479324A US1513956A US 1513956 A US1513956 A US 1513956A US 684793 A US684793 A US 684793A US 68479324 A US68479324 A US 68479324A US 1513956 A US1513956 A US 1513956A
- Authority
- US
- United States
- Prior art keywords
- draft
- flange
- web
- draft arm
- strap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G9/00—Draw-gear
- B61G9/20—Details; Accessories
- B61G9/22—Supporting framework, e.g. cradles; Spring housings
Definitions
- This invention relates to draft rigging and particularly to the connections between the supporting straps for the draw bar and draft gear and the side members of the draft arms, draft plates, etc.
- the principal object of the invention is to provide connections between these members that will be very easy to construct and assemble and yet will afford great strength and durability in service.
- FIG. 1 is a fragmentary sectional view of a. draft arm illustrating a joint embodying the invention
- Fig'. 2 is a fragmentary side elevation of the partssho-wn in Fig. 1;
- F ig. 3 is a horizontal sectional view taken ou the line 3-3 of Fig, 2, and
- Fig. 4 is a perspective view of one of the supporting straps.
- the invention is here illustrated in connection with a cast draft arm, a portion of the front end of which is illustrated at 10 (Fig. 2). It comprises two laterally spaced side members 11. 11, between which the draw bar 12, and the draft gear are supported on straps, one of which is illustrated at 13, extending transversely between the side members 11 anl secured thereto.
- the side members are here illustrated as composed of webs 14 having upper and lower marginal ianges 15 and 16 merging into an cnd iiange 1T.
- the anges 16 are thickened adjacent to the end, as indicated at 18, and just above these thickened portions the webs are perforated, as indicated at 19, to receive the stra-ps 13.
- the webs 14 are thickened around these perforations, as indicated at 21, and the end flange 17 is thickened at 22 in front of the strap.
- the ends of rEhe presence of the bosses makes it necessary to enlarge the perforations 19 and these additional spaces are filled with shims which lie on top of the strap and preferably extend through the webs 14.
- the shims prevent the strap from rising and thereby retain the studs or bosses 25 in the pockets 24 and effectually bind the parts together. It is only necessary then. to secure the shims in place and the fastening is complete. This is conveniently accomplished by providing the necessary perforations and inserting pins 27 through the shims, the straps and the fianges and these pins may easily be secured by cotter keys 28.
- this invention provides a joint between the supporting straps and the side members of the draft arm, draft plate and the like, that can be assembled easily and correctly by unskilled labor and at the same time it will be strong enough to withstand the strains of service and securely maintain the side members in their proper relation.
- a draft plate having at each side a web and a flange at the margin of the web, each flange being provided with a pocket and each webv being perforated adjacent to the pocket in the flange, a supporting strap extending through said perforations and having portions seated in said pockets and means for securing the strap to the draft plate.
- a draft plate having at each side a web and a flange at the margin of the web, each flange being provided with a pocket and each web being perforated adjacent to the pocket in the flange, a supporting strap extending through said perforations and having portions seated in said pockets, shirns lying on said strap and extending into the peiforations in the Webs and fastening device extending thr-'oughy the shims,
- a draft plate having at eaeh side a Web and a flange at the margin of the web, each flange being provided with a pocket and each Web being perforated adjacent to.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Description
Nov 4 9 H. E. BARTSCH A DRAFT ARM Filed Jan. '7, 1924 /lf//Mg Patented Nov. 4, 1924.
UNITEDSTATES APATENT OFFICE.
HERBERT E. BARTSCH, OF CHICAGO, ILLINOIS, ASSIGNOR T0 UNIVERSAL DRAFT GEAR ATTACHMENT COMPANY, A CORPORATION OF ILLINOIS.
DRAFT ARM.
Application led January 7, 1924. Serial No. 684,793.
To all whom t may concer/n.:
Be it known that I, HERBERT E. BAR'rsoH, a citizen of the United States, and resident of Chicago, county of Cook, and State of Illinois, have invented certain new and useful Improvements in Draft Arms, of which the following is a specification, and which are illustrated in the accompanying drawings, forming a part thereof.
This invention relates to draft rigging and particularly to the connections between the supporting straps for the draw bar and draft gear and the side members of the draft arms, draft plates, etc. The principal object of the invention is to provide connections between these members that will be very easy to construct and assemble and yet will afford great strength and durability in service.
Further objects and advantages of the invention will become apparent as the disclosure proceeds and the description is read in connection with the accompanying draw.- ings illustrating a selected embodiment of the invention, and in which- Fig. 1 is a fragmentary sectional view of a. draft arm illustrating a joint embodying the invention;
Fig'. 2 is a fragmentary side elevation of the partssho-wn in Fig. 1;
F ig. 3 is a horizontal sectional view taken ou the line 3-3 of Fig, 2, and
Fig. 4 is a perspective view of one of the supporting straps.
The invention is here illustrated in connection with a cast draft arm, a portion of the front end of which is illustrated at 10 (Fig. 2). It comprises two laterally spaced side members 11. 11, between which the draw bar 12, and the draft gear are supported on straps, one of which is illustrated at 13, extending transversely between the side members 11 anl secured thereto. The side members are here illustrated as composed of webs 14 having upper and lower marginal ianges 15 and 16 merging into an cnd iiange 1T. The anges 16 are thickened adjacent to the end, as indicated at 18, and just above these thickened portions the webs are perforated, as indicated at 19, to receive the stra-ps 13. The webs 14 are thickened around these perforations, as indicated at 21, and the end flange 17 is thickened at 22 in front of the strap.
According to this invention the ends of rEhe presence of the bosses, of course, makes it necessary to enlarge the perforations 19 and these additional spaces are filled with shims which lie on top of the strap and preferably extend through the webs 14. The shims prevent the strap from rising and thereby retain the studs or bosses 25 in the pockets 24 and effectually bind the parts together. It is only necessary then. to secure the shims in place and the fastening is complete. This is conveniently accomplished by providing the necessary perforations and inserting pins 27 through the shims, the straps and the fianges and these pins may easily be secured by cotter keys 28.
From the foregoing it will be clear that this invention provides a joint between the supporting straps and the side members of the draft arm, draft plate and the like, that can be assembled easily and correctly by unskilled labor and at the same time it will be strong enough to withstand the strains of service and securely maintain the side members in their proper relation.
I claim as my invention:
1. A draft plate having at each side a web and a flange at the margin of the web, each flange being provided with a pocket and each webv being perforated adjacent to the pocket in the flange, a supporting strap extending through said perforations and having portions seated in said pockets and means for securing the strap to the draft plate.
2. A draft plate having at each side a web and a flange at the margin of the web, each flange being provided with a pocket and each web being perforated adjacent to the pocket in the flange, a supporting strap extending through said perforations and having portions seated in said pockets, shirns lying on said strap and extending into the peiforations in the Webs and fastening device extending thr-'oughy the shims,
the straps and the flanges.4
3. A draft plate having at eaeh side a Web and a flange at the margin of the web, each flange being provided with a pocket and each Web being perforated adjacent to.`
lling the perforatifonsy above the strap and means for securing the shims in place.
HERBERT E. BARTSCIL
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US684793A US1513956A (en) | 1924-01-07 | 1924-01-07 | Draft arm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US684793A US1513956A (en) | 1924-01-07 | 1924-01-07 | Draft arm |
Publications (1)
Publication Number | Publication Date |
---|---|
US1513956A true US1513956A (en) | 1924-11-04 |
Family
ID=24749589
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US684793A Expired - Lifetime US1513956A (en) | 1924-01-07 | 1924-01-07 | Draft arm |
Country Status (1)
Country | Link |
---|---|
US (1) | US1513956A (en) |
-
1924
- 1924-01-07 US US684793A patent/US1513956A/en not_active Expired - Lifetime
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