US486863A - Whiffletree - Google Patents
Whiffletree Download PDFInfo
- Publication number
- US486863A US486863A US486863DA US486863A US 486863 A US486863 A US 486863A US 486863D A US486863D A US 486863DA US 486863 A US486863 A US 486863A
- Authority
- US
- United States
- Prior art keywords
- trace
- hook
- metal
- whiffletree
- head
- 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
Links
- 210000003128 Head Anatomy 0.000 description 18
- 239000002184 metal Substances 0.000 description 16
- 229910052751 metal Inorganic materials 0.000 description 16
- 210000000088 Lip Anatomy 0.000 description 6
- 238000010276 construction Methods 0.000 description 6
- 210000000614 Ribs Anatomy 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 229910001296 Malleable iron Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62C—VEHICLES DRAWN BY ANIMALS
- B62C5/00—Draught assemblies
- B62C5/04—Swingletrees; Mountings thereof; Draught equalisers for a span of draught animals; Mountings for traces
Definitions
- My invention relates to improvements in all-metal whiftletreesboth single and double treeseither of cast or Wrought metal, according to the size and requirements of the same; and the object of the invention is, in the first place, to provide an improved construction of whiffietree made of a single piece of metal, whereby I secure important advantages with respect to strength, economy, durability, and lightness, and, in the second place, to so construct the solid metal ends or headsof the tree that they will interlock with the trace-hook and thereby effectually prevent the link or eye of the trace-coupling from becoming accidentally disconnected.
- my invention consists in the improved construction and combination of parts of an all-metal whiffletree, which will be hereinafter more fully de scribed and claimed.
- Figure 1 represents a plan view of a whiftletree constructed in accordance with my invention
- Fig. 2 is a cross-sect ion, on an enlarged scale, on the line a: m, Fig. 1.
- the whiflietree is shown as comprising two bars 1 and 2, tapering from the center toward each end, where they are joined together and provided or formed with a flat circular solid metal head 9, having an aperture for the passage of the bolt or rivet 3, by which the trace-hook 4 is pivoted to said head.
- the bars 1 and 2 on their inner sides are formed with a strengthening-rib 5 and at the center with a web 6. They are also formed with a rearwardly-extending curved arm 7, having an opening 8 therein, whereby it can be connected with a vehicle.
- the whifi'letree is made of cast malleable iron or steel, the arms 1 and 2, the ribs 5, the heads 9, the web 6, and the arm 7 being all made integral or in a single piece, and by means of the ribs and central web great strength is assured with a minimum amount of metal.
- the circular heads 9 are cut away on their rear side, as shown at 10, and the lip of the trace-hook 4 is of such length and shape that it, when the hook is turned on its pivot 3, will impinge against the circular flange 11 of head 9. Not until the hook is swung all the way back, or into the position shown in dotted lines, will there be sufficient space between the circular flanged head and the lip of the hook for the insertion of the link or eye at the end of the trace, (not shown;) but at this point suflicient space will be left for this purpose by the inlet or opening formed between the lip of the hook and the cut-away part 10 of head 9. After the insertion of the trace-link the hook is swung back into its normal position (shown in full line) and the trace is securely locked in place.
- a whiftletree consisting of the bars tapering from the center toward the ends, where they are joined together, the strengthening-ribs on their inner sides, the central web, and outwardly-extending arm having an opening therein, the circular flanged heads with central apertures and cut-away or notched on their rear sides, all being constructed integral with each other, and the trace-hooks pivoted to said heads, substantially as and for the purpose set forth.
Description
(No Model.) 7
L. S. FLATAU.
WHIPFLETRBE.
No.'486,863. Patented Nov. 29,1892.
. f W 2 m6 WJIW'ESSES UNITED STATES PATENT OFFICE.
LOUIS S. FLATAU, OF PITTSBURG, ASSIGNOR TO THE FLATAU MANUFAC- TURING COMPANY, OF DALLAS, TEXAS.
WHIFFLETREE.
SPECIFICATION forming part of Letters Patent No. 486,863, dated November 29, 1892. Application filed March 14, 1892- Serial No. 424,848. (No model.)
My invention relates to improvements in all-metal whiftletreesboth single and double treeseither of cast or Wrought metal, according to the size and requirements of the same; and the object of the invention is, in the first place, to provide an improved construction of whiffietree made of a single piece of metal, whereby I secure important advantages with respect to strength, economy, durability, and lightness, and, in the second place, to so construct the solid metal ends or headsof the tree that they will interlock with the trace-hook and thereby effectually prevent the link or eye of the trace-coupling from becoming accidentally disconnected.
With these objects in view my invention consists in the improved construction and combination of parts of an all-metal whiffletree, which will be hereinafter more fully de scribed and claimed.
Referring to the accompanying drawings, Figure 1 represents a plan view of a whiftletree constructed in accordance with my invention; and Fig. 2 is a cross-sect ion, on an enlarged scale, on the line a: m, Fig. 1.
Like letters of reference denote corresponding parts in all the figures.
In the said drawings the whiflietree is shown as comprising two bars 1 and 2, tapering from the center toward each end, where they are joined together and provided or formed with a flat circular solid metal head 9, having an aperture for the passage of the bolt or rivet 3, by which the trace-hook 4 is pivoted to said head. The bars 1 and 2 on their inner sides are formed with a strengthening-rib 5 and at the center with a web 6. They are also formed with a rearwardly-extending curved arm 7, having an opening 8 therein, whereby it can be connected with a vehicle.
For the shorter lengths or smaller sizes the whifi'letree is made of cast malleable iron or steel, the arms 1 and 2, the ribs 5, the heads 9, the web 6, and the arm 7 being all made integral or in a single piece, and by means of the ribs and central web great strength is assured with a minimum amount of metal.
For doubletrees or the larger sizes of whiffletrees it is preferable to form the same of Wrought metal by rolling or by stamping from dies of suitable construction.
The circular heads 9 are cut away on their rear side, as shown at 10, and the lip of the trace-hook 4 is of such length and shape that it, when the hook is turned on its pivot 3, will impinge against the circular flange 11 of head 9. Not until the hook is swung all the way back, or into the position shown in dotted lines, will there be sufficient space between the circular flanged head and the lip of the hook for the insertion of the link or eye at the end of the trace, (not shown;) but at this point suflicient space will be left for this purpose by the inlet or opening formed between the lip of the hook and the cut-away part 10 of head 9. After the insertion of the trace-link the hook is swung back into its normal position (shown in full line) and the trace is securely locked in place.
Having thus described my invention, what I claim, and desire to secure by Letters Patent of the United States, is-
As an improved article of manufacture, a whiftletree consisting of the bars tapering from the center toward the ends, where they are joined together, the strengthening-ribs on their inner sides, the central web, and outwardly-extending arm having an opening therein, the circular flanged heads with central apertures and cut-away or notched on their rear sides, all being constructed integral with each other, and the trace-hooks pivoted to said heads, substantially as and for the purpose set forth.
In testimony that I claim the foregoing as my own I have hereunto aflixed my signature in presence of two witnesses.
LOUIS S. FLATAU.
VVit-nesses:
O. J. STAMBAUGH, A. F. BRITTON.
Publications (1)
Publication Number | Publication Date |
---|---|
US486863A true US486863A (en) | 1892-11-29 |
Family
ID=2555711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US486863D Expired - Lifetime US486863A (en) | Whiffletree |
Country Status (1)
Country | Link |
---|---|
US (1) | US486863A (en) |
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0
- US US486863D patent/US486863A/en not_active Expired - Lifetime
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