US57844A - Improvement in whiffletrees - Google Patents
Improvement in whiffletrees Download PDFInfo
- Publication number
- US57844A US57844A US57844DA US57844A US 57844 A US57844 A US 57844A US 57844D A US57844D A US 57844DA US 57844 A US57844 A US 57844A
- Authority
- US
- United States
- Prior art keywords
- draft
- bar
- improvement
- traces
- whiffletrees
- 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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- 230000036461 convulsion Effects 0.000 description 4
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62C—VEHICLES DRAWN BY ANIMALS
- B62C5/00—Draught assemblies
Definitions
- My invention is designed to obviate the danger of unhookin g traces when the draft upon them is relieved, either in passing over descending ground or when the horse is suddenly checked and also to relieve the carriage of the unpleasant jerk which is experienced when the draft-strain comes upon the traces suddenly.
- My whiflietree is composed of three bars jointed together.
- the main bar, A is pivoted in the usual way in a strap, B, which is secured to the cross-bar ofthe shafts.
- the bar A is not quite so long as the ordinary whiffletree.
- At the back of the bar A are the two bars C and D, pivoted at one end to the barA at points near the middle of A.
- the springs E F or any other suitable kind, are interposed between the bar A and the bars C and D, for the purpose of keeping them asunder, so that when the traces are slack the springs press the arms G and D backward far enough to take up the slack and prevent any possibility of their becoming unhooked.
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Measurement Of Force In General (AREA)
Description
F. A. BALCH.
Wikfletree. No. 57,844. Patented sept 11. 1866.
M l fr" N, PETERS. PHOTO-UTHQGRAPHER, WASHINGTON, n C,
'UNITED STATES F. A. BALCH, OF HINGHAM, WISCONSIN.
IMPROVEMENT IN wHlFFLETREEs.
Specification forming part of Letters Patent No. 57,844, dated September ll, 1866.
To all whom it may concern:
Be it known that I, F. A. BALGH, of Hingham, in the county of Sheboygan and State of "Wisconsin, have in vented a new and useful Improvement in Whiffletrees; and I do hereby declare the following to be a full, clear, and exact description of the same, reference being had to the'accompanyingdrawings, in which- Figure l is a plan view of myimprovement, showing the position of the parts when sustaining the draft-strain ofthe traces. Fig. 2 is a plan of the same, showing the position of the parts when relieved of all strain from the traces.
My invention is designed to obviate the danger of unhookin g traces when the draft upon them is relieved, either in passing over descending ground or when the horse is suddenly checked and also to relieve the carriage of the unpleasant jerk which is experienced when the draft-strain comes upon the traces suddenly.
That others may understand my invention, I will particularly describe it.
My whiflietree is composed of three bars jointed together. The main bar, A, is pivoted in the usual way in a strap, B, which is secured to the cross-bar ofthe shafts. The bar A is not quite so long as the ordinary whiffletree. At the back of the bar A are the two bars C and D, pivoted at one end to the barA at points near the middle of A. To the free ends of the bars C and D the traces are hooked. The springs E F, or any other suitable kind, are interposed between the bar A and the bars C and D, for the purpose of keeping them asunder, so that when the traces are slack the springs press the arms G and D backward far enough to take up the slack and prevent any possibility of their becoming unhooked.
If the springs E F are pretty strong, as they should be, the rst strain of the draft will be resisted by them, and the inertia of the carriage will be gradually overcome, thus avoiding all unpleasant jerking of the carriage.
When the full strain of the draft is received the bars C D will be drawn up against the back of the bar A, which then receives the real strain, and as it is suspended at its center, the action of my Whiftletree is not different from any other centrally pivoted or suspended whifdetree when under draft. Theinstant, however, the draft-pressure is relaxed the arms C D move away from the bar A, and the trace is not allowed to become slack.
These operations are so plainly shown in the form a closed hook when the trace is slack,
and not to take up the slack and keep the trace always taut, and that they are not capable of relieving, in any material degree, the jerk incident to a sudden start. I therefore do not claim the application of springs to this part of the carriage capable of exercising in some degree the functions of my device, but only the improved mode of applying them by which they are free to act, but do not sustain the labor of draft.
Having described my invention; what I A claim as new, and desire to secure by Letters Patent, is-
rThe combination of the bar A, with the bars -G and D, and the springs E and F, substantially as described, and for the purpose set forth` Y F. A. BALCH.
Witnesses:
JNO. E. THoMAs J. T. BRIDGEMAN.
Publications (1)
Publication Number | Publication Date |
---|---|
US57844A true US57844A (en) | 1866-09-11 |
Family
ID=2127383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US57844D Expired - Lifetime US57844A (en) | Improvement in whiffletrees |
Country Status (1)
Country | Link |
---|---|
US (1) | US57844A (en) |
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0
- US US57844D patent/US57844A/en not_active Expired - Lifetime
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