Improvement in Wrenches. Page: 2 of 2
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UNITED STATES PATENT OFFICE.
WILLIAM B. KILLOUGH, OF LARISSA, TEXAS.
IMPROVEMENT IN WRENCHES.
Speeification Lorming part of Lettcrs Patent No. 217,117, dated July 1, 1879; application filed
April 8, 1879.To all wheoen it may concern:
Be it known that I, WILLIAM B. KILLOUGH,
of Larissa, in the county of Cherokee and
State of Texas, have invented a new and Im-
proved Wrench, of whicll the following is a
specification.
The object of this invention is to furnish an
adjustable wrench for holding and turning
bolts, pipes, taps, &c.
It consists of one fixed and one movable
jaw, placed on a shanuk and pivoted to a sleeve
controlled by a screw, and carrying a lever
with a earn fm-ace working under the pivoted
jaw. The jaws have serrated V-shaped re-
cesses to grasp the larger objects, while pro-
jecting from the front thereof are lips with
serrated concave recesses for taking hold of
the heads of bolts. The several parts are ar-
ranged and operated in a manner that will be
fully described farther on.
In the accompanying drawings, Figure 1 is
a side elevation of imy improvement, and Fig.
2 is a perspective view of the movable jaw.
Similar letters of reference indicate corre-
sponding parts.
Referring to the drawings, A represents the
fixed jaw of the wrench attached to the tipper
end of shank B, at the opposite end of which
is a handle, C. D is the movable jaw, hav-
ing in its rear end a slot, a, in which is en-
tered the shank. E is the sleeve or movable
socket-piece placed on the shank B, having on
its upper end, behind the shank, a projection,
b, which enters the slot a. This projection
and the jaw are connected together by a pivot,
b', in such a way as to allow a slight movement
to the jaw on the pivot.
A fiat spring, c, fixed to the back edge of
the;sleeve, reaches up and bears against the
end of the jaw, as shown clearly in Fig. 1.
A screw, d, socketed at its lower end in a
projection, e, of the handle, engages the thread
of a socket, f, (indicated by dotted lines,) in
the sleeve. By means of this screw the sleeve
and jaw D are moved up and down on the
shank.In ears (one of which is indicated by g in
the drawings) projecting from the front of the
sleeve E is fulcramed a lever, F, with a cam-
face, h, immediately under the jaw D, while
its power end extends down convenient to the
handle C.
In opposite faces of the jaws are serrated
V-shaped, recesses i i, and at their ends are
V-shaped lips j j, with serrated concave re-
cesses.
The large recesses i are employed for pipes,
tubing, taps, and the large bolts, while the
lips j are used to grasp bolt-heads when un-
screwing the nuts ; and the operation of the
device is as follows: When the larger objects
are to be grasped by the wrench, the jaws are
opened sufficiently wide to admit them into
the recesses i; then the jaw D is screwed up
until it clasps the object between it and jaw
A; then the lever is turned down, forcing
the jaw D tightly against the object, whereby
it is closely held and can be tisrned in screw-
ing it up or held perfectly fast when a nut or
tap is being unscrewed.
When a bolt is to be taken out of a hole.
and becomes so loose that the nut cannot be
unserewcdl, the lips j are plced over the head
until it rests in the concave recesses, the jaws
are then brought together as before, and it
will be found that it call be held against
whatever power that may be exerted in turn-
ing the nut.
Having thus described my invention, I claim
as new and desire to secure by Letters Pat-
ent-
The combination, in a wrench, of the vibra-
toryjaw D, having slot a, the movable sleeve
E, having projection b, the lever F, pivoted be-
tween ears of said sleeve, and the spring c,
with the shank B, as shown and described.
WILLIAM B. KILLOUGH.
Witnesses:
E. G. McGLATIIY,
J. G. BEATY.
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Killough, William B. Improvement in Wrenches., patent, July 1, 1879; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth169853/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.