US144786A - Improvement in whiffletrees - Google Patents
Improvement in whiffletrees Download PDFInfo
- Publication number
- US144786A US144786A US144786DA US144786A US 144786 A US144786 A US 144786A US 144786D A US144786D A US 144786DA US 144786 A US144786 A US 144786A
- Authority
- US
- United States
- Prior art keywords
- tongue
- plate
- whiffletrees
- improvement
- central
- 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
- 238000010276 construction Methods 0.000 description 12
- 210000003414 Extremities Anatomy 0.000 description 2
- 206010022114 Injury Diseases 0.000 description 2
- 230000036633 rest Effects 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 that class of whifletrees in which draft-chains at the extremities of the whiflietree and a central draft'chain passing around a roller are employed in lieu of single-trees; and it consists in constructing the under surface of the central plate, through which the king-bolt for attaching the whiflietree to the tongue passes, with a shoulder, so that a less portionof the under surface of the plate will be in contact with the tongue than in the ordinary construction, thus dispensing with much of the friction between the whiflletree and tongue in the vibrations of the former on the latter, and at thesame time allowing the use of a smaller roller for the'central chain than in the ordinary construction.
- A is the whiletree,provided with plates o o at its .eX- tremities, to which are attached the draftchains C C.
- B is the central plate, through a perforation in which a king-bolt passes for attaching the whifiletree to the tongue.
- the lower face, m, of the plate B rests upon the tongue, and is formed with a shoulder, n, in front of the whiffletree, instead of being made continuous, as in the ordinary construction of this plate.
Description
LPABKER.
Whiihetraes.
N0. 144,786. f Pa-tented Nov.'.8, 1873.
AWITNELSUSJEs l I VE 0R- By MMM /I Attorneys UNITED STATES f PATENT OEEICE.
JOHN PARKER, OE PONTIAC, AssIGNOR OE ONEHALE HIs EIGHT To JAMES A. Homes, OF CATO, MICHIGAN.
IMPROVEMENT IN WHIFFLETREES.
Specification forming part of Leiters Patent No. 144,786, dated November 18, 1873; application iiled September 9, 1873.
accompanying drawings forming part of thisv specilication, in which- Figure 1 is a top view of my improved whiflletree; and Fig. 2 is a cross-section of the same through line x x, Fig. l.
Similar letters of reference in the accompanying drawings denote the same parts.
My invention relates to that class of whifletrees in which draft-chains at the extremities of the whiflietree and a central draft'chain passing around a roller are employed in lieu of single-trees; and it consists in constructing the under surface of the central plate, through which the king-bolt for attaching the whiflietree to the tongue passes, with a shoulder, so that a less portionof the under surface of the plate will be in contact with the tongue than in the ordinary construction, thus dispensing with much of the friction between the whiflletree and tongue in the vibrations of the former on the latter, and at thesame time allowing the use of a smaller roller for the'central chain than in the ordinary construction.
In the accompanying drawings, A is the whiletree,provided with plates o o at its .eX- tremities, to which are attached the draftchains C C. B is the central plate, through a perforation in which a king-bolt passes for attaching the whifiletree to the tongue. The lower face, m, of the plate B rests upon the tongue, and is formed with a shoulder, n, in front of the whiffletree, instead of being made continuous, as in the ordinary construction of this plate. By this construction I am enabled to avoid the friction of the entire lower surface of the central plate upon the tongue, the
only'T friction arising being that between the surface on of the central plate against the tongue. I am also enabled by this construction to use a smaller roller, D, for the central draft-chain E F than is used in the central plate, as ordinarily constructed, which renders the construction lighter and equally as effective as the roller ordinarily employed. e e are Charing-plates on the rear side of the whiffletree opposite the fore-wheels, to protect the former from injury by the latter.
I claim as my invention- The whiffletree A, the central plate B nearly encompassing the whiflietree, and having a shoulder, n, and the roller D pivoted between .the ends of the plate, all combined substanially as described, and for the purpose set Orth.
JOHN PARKER.
Witnesses: Jos. E. SAWYER, MELvILLE CHURCH.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US144786A true US144786A (en) | 1873-11-18 |
Family
ID=2214199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US144786D Expired - Lifetime US144786A (en) | Improvement in whiffletrees |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US144786A (en) |
-
0
- US US144786D patent/US144786A/en not_active Expired - Lifetime
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