US216648A - Improvement in whiffletrees - Google Patents

Improvement in whiffletrees Download PDF

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US216648A
US216648A US216648DA US216648A US 216648 A US216648 A US 216648A US 216648D A US216648D A US 216648DA US 216648 A US216648 A US 216648A
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whiffletrees
improvement
brewer
clip
arms
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62C—VEHICLES DRAWN BY ANIMALS
    • B62C5/00—Draught assemblies

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  • NELsoN W. BREWER of Williamsport, in the county of. Lycoming and State of Pennsylvania, have invented a new and Improved Single-Tree, of which the following is a specification.
  • Figure 1 is a front view of the device.
  • Fig. 2 is a plan of the same, partly in section.
  • the Object of this invention is to provide a sin gle-tree that shall prevent all sudden strains or jerks upon the horses or persons driving them and equalize the draft or strain when the horses are pulling.
  • the invention consists of the two arms AA, on the sides of one of which, at the inner end, two forward-projecting lugs, b b, are fastened, while in the end of the other is secured one projecting lug, 0. These ends are set together within a metallic cap or clip, B, and held and hinged there by the pin 0, that passes through the clip and lugs.
  • the curved steel spring D is held at its center by the clip B against the joint or hinge formed by the union of the arms, while the upward'inclining ends of the spring are restrained by the pinsf f, which hold together the ends of the small clips E .E, that embrace the arms about midway of their length.
  • the ends of the spring may be free to slide on the pins f f, as shown, or may be bent around them.
  • the holes 9 g, seen through the forward projections of the clip B, are intended for the insertion of a strengthening-bolt, if desirable.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Description

N. W. BREWER} ,Whiffletree.
No. 216,648. Patented lune I7, 1879,
WITNBSSES:' v INVENTOR:
Y I yzmwwe/ BY W $69, V QTTORNBYS.
MPETERS. PHOTO-UTHOGRAPHER. WASHXNQTGN. D C
UNITED STATES PATENT OFFICE.
NELSON W. BREWER, OF WILLIAMSPORT, PENNSYLVANIA.
IMPROVEMENT IN WHIFFLETREES.
Specification forming part of Letters Patent No. 216,648, dated June 17, 1879; application filed April 23, 1879.
To all whom it may concern Be it known that 1, NELsoN W. BREWER, of Williamsport, in the county of. Lycoming and State of Pennsylvania, have invented a new and Improved Single-Tree, of which the following is a specification.
Figure 1 is a front view of the device. Fig. 2 is a plan of the same, partly in section.
Similar letters of reference indicate corresponding parts.
The Object of this invention is to provide a sin gle-tree that shall prevent all sudden strains or jerks upon the horses or persons driving them and equalize the draft or strain when the horses are pulling.
The invention consists of the two arms AA, on the sides of one of which, at the inner end, two forward-projecting lugs, b b, are fastened, while in the end of the other is secured one projecting lug, 0. These ends are set together within a metallic cap or clip, B, and held and hinged there by the pin 0, that passes through the clip and lugs. A
The curved steel spring D is held at its center by the clip B against the joint or hinge formed by the union of the arms, while the upward'inclining ends of the spring are restrained by the pinsf f, which hold together the ends of the small clips E .E, that embrace the arms about midway of their length. The ends of the spring may be free to slide on the pins f f, as shown, or may be bent around them. The holes 9 g, seen through the forward projections of the clip B, are intended for the insertion of a strengthening-bolt, if desirable.
The advantages of this flexible tree over a rigid one are very obvious.
Havin g thus described my invention, I claim as new and desire to secure by Letters Patent- The hinged arms A and cap B, connected by the pin 0, in combination with the spring D and lugs E, having pins f, as and for the purpose specified.
NELSON W. BREWER.
Witnesses:
- W. H. RENNINGER, G. F. TRAINER.
US216648D Improvement in whiffletrees Expired - Lifetime US216648A (en)

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