US329075A - Double-tree - Google Patents

Description

(No Model.)

W` C.'PEGK,HA1VL y DOUBLETREE. No. 329,075. Y Patented Oct. Z7, 1885.

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' Attorneys.

' Unirse STATES Artnr tripa.

WILLIAM O. PECKHAM, OF TROY, OHIO.

DOUBLE-TREE.

SPECIFICATION forming part of Letters Patent No. 329,075, dated October 27, 1885.

Application filed May 14, 1885.. Serial No. 165,500. (No model.) I

To @ZZ whom it may concern:

Be it known that I, WILLIAM C. BECKHAM, a citizen of the United States, residing at Troy, in the county of Miami and State of Ohio, have invented a new and useful Improvement in Double-Trees, of which the following is a specification, reference being had to the accompanying drawings.

My invention relates to an improvement in double-trees; and it has for its object to provide an adjustable center piece, whereby the double-tree may be readily and easily laterally adjusted for the purpose of equalizing the draft.

A further object of the invention is to provide an improved construction of cap adapted to be fitted on the ends of the double-tree to receive an improved construction of hook for the attachment of the single-trees, which hook is so constructed as to give with the movements of the team, and remove all strain and jars from the same.

With these ends in view the invention consists in the improved construction and combinations of parts, hereinafter fully described, and pointed out in the claims.

In the drawings, Figure 1 is a front View of a double-tree having my improvement applied thereto. Fig. 2 is a section on the line .r x of Fig. l. Fig. 3 is a longitudinal vertical section of the casing G and casting D. Fig. 4

is a transverse section of the same, and Fig. 5V

is a transverse vertical section of Fig. 3.

In the accompanying drawings, in which like letters of reference indicate corresponding parts in all the gures,A represents the double-tree, which is provided with a groove or channel, c, over which is secured a plate, B, which has a slot, b, running nearly its entire length. The slot b is somewhat smaller than the groove or channel a, so that the edges of the plate B project inwardly beyond the sides of said groove or channel.

Upon the plate B, at suitable points, are provided ribs or corrugations c, which are adapted to be engaged by grooves d, formed on the under side of a plate, C. This plate has an eye for the passage of a clevis for pivoting the double-tree in place, and is provided near each end, on a line with the slot in the plate B, with holes or openings e, which are adapted to be engaged by bolts f, the heads of which bear against the edges of the plate B,

adjacent to the slot therein, and on the inner side of said slot. The ends of the bolts f pass through the holes or openings and are engaged by nuts g, which when tightened hold the plate C firmly and securely in place. It will be seen that by removing the nuts from the bolts the double-tree may be removed and moved laterally to any desired adjustment, and then be secured in place by engaging the plate B with plate C and tightening the nuts on the bolts.

D represents a casting,which comprises the socket E,to receive the end of the double-tree and the portion F. rlhis portion F is open on it-s front and rear sides, and is formed on its lower and upper sides with recesses h, communication with which may be had from the rear side of the said portion F.

G represents a casing, which is preferably cast. This casing is formed with bearing-lugs t', whichlare adapted to engage the recesses h in the portion F, and thus pivot said casing within the portion F.

Within the casing G is a coil-spring, H, and passing through said casing is an eyebolt or hook, I, the end of which is threaded. Upon the threaded end of this bolt is anut, J, against which the spiral spring bears at one end, said nut being held in place in any suitable manner, preferably by a pin passing transversely through the end of the bolt. The other end of the spring bears against the closed end of the casing G, which, however, is provided with a hole or opening for the passageof the hook or eyebolt I. It will be apparent that in use two of these bolts and casings will be employed, one at each end of the doubletree. It will also be obvious that said bolts are for the attachment of the single-trees to the double-tree.

It will be seen that by the employment of my improvement strain and sudden jars, to which a team is subjected, particularly when drawing heavyloads and in plowing, are obviated.

The improvements before described are simple in their construction, may be supplied at a comparatively slight cost, are strong and durable, and thoroughly effective for the purposes intended.

It will also be apparent that by the employment of my improvement the draft may be IOO .V equalized-that is to say, the double-tree can be so adjusted laterally with regard to its point of attachment that the greater part of the strain to which the team is subjected may be thrown upon the heavier or stronger horse of the team.

Having fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. The combinatiomwith a double-tree, of a slotted plate having a series of ribs on its outer face secured thereto, a plate, C, having grooves to receive said ribs, and an eye adapted to receive a elevis, and bolts or equivalent fastening for securing said easing in place, asset forth.

2. The eombinatiomwith a double-tree, of a casting on the end thereof, said casting having bearing-recesses, and a casing having lugs ,to engage said recesses and carrying a springeyebolt, as set forth. Y

2v Y d 329,075

3. The combinatiomwith a doubletree, of a casting comprising the'soeket, and portion F, having bearing-recesses, of a casing having lugs to engage said recesses, and an eyebolt in said easing, as set forth.

4. The combinatiomwith a double-tree, of a casting comprising a socket, and portion F, having bearing-recesses, as described, of a casing having lugs to engage said recesses, an eyebolt in said casing, a spring on said eyebolt, and a nut to engage the end of said bolt, substantially as set forth.

In testimony that I claim the foregoing as my own I have hereto affixed my signature in `presence of two Witnesses.

WILLIAM C. PECKHAM,

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