Improvement in Three-Horse Equalizers. Page: 2 of 2
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O1nitd tatef paet ilffice.
ZACHARIAH B. SIMS, OF BONHAM, TEXAS.
betters Patent No. 94,355, dated August 31, 1869.
IMPROVEMENT IN THREE-HORSE EQUALIZERS.
The Sohedule referred to in these Letters Patent and making part of the mame.To all wchom it may concern :
Be it known that I, ZACHARIAH B. SIS, of BOl-
ham, in the county of Fannin, and State of Texas,
have invented a new and useful Improvement in Tre-
ble-Trees; and I do declare the following to be a full,
clear, and exact description of the same, sufficient to
enable others skilled in the art to which my invention
appertains, to make and use the same, reference being
had to- the accompanying drawing, forming part of
this specification, in which-
The figure is a top or plan view, with the parts in
position.
My invention is a device for equalizing the draught
of three horses on two single-trees, and consists in
jointing the latter eccentrically to the former.
It also consists in arranging two stretcher-loops ec-
centrically on the double-tree, whereby results and ad-
vantages are gained, as will be hereinafter more fully
described.
In the drawings-
A represents the double-tree, to which the single-
trees B are connected by hooks and eyes, or equiva-
lent devices, as ordinarily.
The connecting-hook or eye of each single-tree is
placed at a point between one side and the centre, so
that the tree is divided into two unequal parts, re-
spectively one-third and two-thirds its length.
The trees are placed in position as shown in the
drawings; that is, with the short sides toward each
other.
It will be seen that the length fiom a to b is two-
thirds of the whole tree, and, consequently, b to eone-third, so that there is a leverage of four-thirds
against two-thirds.
But this inequality is overcome by the inner traces
of tihe outer horses beinghitched at c, where the traces
of the middle horse are likewise hitched, whereby b c
b e become equal to a b a b, and an equalization in
draught is the result.
C are stretcher-loops, by which the double-tree is
connected to a clevis, wagon, or other place of need.
These loops are jointed to the tree at points on each
side of the centre, so that the strain is not at one point,
but somewhat distributed.
I provide means of adjustment for the loops, so that
should there be any material inequality in the strength
of the three horses, I can equalize by arranging the
loops accordingly nearer to or further away from the
centre on either one or both sides.
Suitable clips, bolts, and the like appurtenances are
applied as usual, for attachment-purposes.
Having thus fully described my invention,
What I claim as new, and desire to secure by Let-
ters Patent, is-
The single-trees B B, jointed eccentrically to the
double-tree A, the latter being provided with the
stretcher-loops O O, arranged ecceutrically thereon,
substantially as and for the purpose described.
To the above I have signed my name, this 24th day
of May, 1869.
ZACHARIAH B. SIMS.
Witnesses:
JoHN A. Wm1DERSHEiN,
PHIL. F. LARGER.
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Sims, Zachariah B. Improvement in Three-Horse Equalizers., patent, August 31, 1869; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth165203/m1/2/: accessed May 22, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.