Wire Twister and Tightener. Page: 2 of 3
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UNITED STATES PATENT OFFICE.
GEORGE A. STAFFORD, OF MONTAGUE, TEXAS, ASSIGNOR OF ONE-IIALF TO
F. II. LIEUKFARE, OF TERRAL, INDIAN TERRITORY.
WIRE TWISTER AND TIGHTENER.
SPECIFICATION forming part of Letters Patent No. 556,480, dated IMNarch 17, 1896.
Application filed October 4, 1894, Serial o., 524,851, (No model,)To all whom it 7ay concern:
Be it known that I, GEORGE A. STAFFORD,
a citizen of the United States,residing at Mon-
tague,in the county of Montague and State of
5 Texas, have invented certain new and useful
Improvements in Wire Twisters and Tight-
eners for Barbed or other Wire Fences; and
I do hereby declare the following to be a full,
clear, and exact description of the invention,
io such as will enable others skilled in the art to
which it appertains to make and use the same.
My invention has relation to improve-
ments in wire twisters and tighteners for twist-
ing and contracting the strands of wires for
15 barbed or other wire fences; and it consists
in the novel construction and combination of
parts of the same, whereby the fence-wire is
caused to be contracted, twisted, and made
taut, all as will be hereinafter more fully de-
20 scribed and specifically pointed out in the
claims.
The annexed drawings,to which reference is
had, fully illustrate my invention, in which-
Figure 1 represents a perspective view of
25 my device. Fig. 2 is a face view of one of the
bars d. Fig. 3 is an edge view of the same.
Fig. 4 is an edge view of the block of the bar
d. Fig. 5 is a face view of one of the barsf.
Fig. 6 is an edge view of the same. Fig. 7 is
30 an edge view of one of the wheels.- Fig. S is
a front view of one of the securing-blocks.
Fig. 9 is a transverse sectional view of the
metal tip, taken on line x x, Fig. 2. Fig. 10
is a transverse section of the block shown in
35 Fig. S; and Fig.11is a detail vertical sectional
view, enlarged, of one of the twisters.
Referring by letters to the accompanying
drawings, A A represent a pair of twin twist-
ers, consisting of the toothed wheels a a, hav-
40 ing V-shaped or radial slots b b extending
from the periphery of each wheel to about the
center thereof, the largest portion of the slots
or notches being at said periphery, as shown
in Fig. 1 of the drawings. These wheels are
45 also provided with hubs or bosses c c, which
have their bearings in the upper end of the
bars d d, the upper ends of which are pro-
vided with V-shaped or radial notches e e, as
well as the bosses aforesaid. To the bear-
50 ings g' g' are pivoted two bars ff,having hol-
low handles g g secured at their free endsand provided with pawls h h, secured to the
bars ff near their upper ends, which engage
the teeth in the toothed wheels. Springs i i
serve to keep said pawls in engagement with 55
the teeth. On the bars dd are pivoted a sec-
ond set of pawls j j, which also engage the
teeth and prevent their having a backward
movement when the device is in operation.
Springs k 1 , secured to said bars and engag- 60o
ing said pawls, serve to keep these pawls also
in engagement with the toothed wheels a a.
Thes8 bars d dc have also hollow handles 1,
secured at their free ends, similar to the han-
dles of the other set of bars, and are designed 65
to receive a round bar or bars, as shown in
dotted lines in Fig. 1 of the drawings, where-
by the bars d d and ff can be worked simul-
taneously. The wheels a c being provided
with the hubs c, the flange a' is passed into 70
the slot b', providing a journal-bearing there-
for, and to retain said hubs and wheels in po-
sition the block c' is passed up against said
hubs, as well as the block d' when they (the
blocks) are secured in position and to the 75
bars d d by rivets e'.
The bars ff have their bearings at their
upper ends, as at f', upon the studs or pro-
jections g' on the bars d d. The toothed wheels
a a are exactly alike in construction, but the 80o
teeth of one are arranged the reverse of the
other, the pawls and spring being arranged
correspondingly. The twisters can be readily
adjusted laterally from or toward one another,
the round bars being loose within the hollow 85
handles. These round bars can be removed
at will and each twister can then be operated
independently of the other.
It will be seen that the device is applied to
the stretched wires by said wires beingpassed 90
into the V-shaped slots or notches in the
toothed wheels or twisters, where they are
firmly held, after which the handles are op-
erated.
Operation: The wires having been placed 95
in the V-shaped or radial slots in the twisters,
the operator grasps the handles of the short
levers or bars and works them simultaneously
"up" and "down," forcing one of the twist-
ers around to the right in one direction and ioo
twisting the wires to the right of the right-
hand twister, thus increasing the twist, and
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Stafford, George A. Wire Twister and Tightener., patent, March 17, 1896; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth174238/m1/2/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.