IMPROVEMENTS IN THE STOP MOTIONS OF WARPING MACHINES
Year: 1884

page_text: I THOMAS SINGLETON of Bank Top Machine Works Over Darwen in the county
of Lancaster Machinist do hereby declare the nature of my Invention for
"IMPROVEMENTS IN THE STOP MOTIONS OF WARPING MACHINES," to be as follows:-
1.
.
:-
The object of my invention is to construct a simple, and effective stop motion
for warping machines, which also lessens the tension on the yarn, and which can
be applied to falling rod or roller machines.
I employ the usual drop pins, which are suspended on the yarn, a rail or box in
which are slots, runs across, the width of the frame, the lever part of the drop pins,
hang in these slots, the slots I make on the incline, instead of being vertical, by
this means, the pins are partly sustained, the inclines of the slots in the rail, taking
off a large portion of the weight and lessens the tension of the yarn. Below the
pin rail or box are two rollers, side by side, one of which is driven, by chain, strap,
or other gear, from the cylinder shaft, and the other is driven, by the first named
roller, this driven roller, operates (by means of an eccentric or crank pin) a pivotted
slotted lever, which in turn, operates giving a backward and forward movement to
a horizontal lever or rod, which when the machine is working correctly, works
above and in close proximity to a projection on the knocking off handle being held
in this position by a balance, or weight, on its other end, above this lever, is a lever
attached to a rod, crossing the machine, and lower down carrying runuers or
bowls, which bears against the front side of one of the two rollers, under the pin
rail, the other end of this lever, passes down to the horizontal lever or rod, suffi-
ciently close to clear a projection on the same, but should a warp thread break, its
pin drops between the two rollers and at whatever point moves the front roller
(which is hung on two levers or inclined brackets) forwards parallel throughout
its entire length, it moving forwards the runner on the lever, brings it in contact
with the projection on the stop rod and stops the machine.
On the bracket which guides the knocking off handle, I pivot a lever from which
I either push or pull the before named horizontal lever, so as to act in accordance,
with the above arrangement, for liberating the spring handle.

page_text: applied to falling rod, or rouer machines.
DESCRIPTION OF DRAWINGS.
Fig. 1 is a front elevation warping machine with my improved stop motion
applied.
Fig. 2 is an ond elevation partly in section of Fig. 1.
A is the frame, B are the drop pins which are suspended on the yarn C, a rail or
box D, in which are slots E, runs across the width of the frame, the lower part of
the drop pins hang in these slots, the slots E I make on the incline instead of being
vertical, by this means, the pins are partly sustained, the incline of the slots in the
rail, taking off a large portion of the weight, and lessens the tension of the yarn.
Below the pin, rail, or box D, are two rollers F G, side by side, one of which is
driven by chain, strap, or other gear, H, from the cylinder shaft J, and the other
is driven by the first named roller F, this driven roller operates by means of an
eccentric or crank pin K, a pivotted slotted lever L, which in turn operates (giving
a backward, and forward movement to) a horizontal lever or rod M, which when
the machine is working correctly, works above and in close proximity to a pro-
jection N, on the knocking off handle P, being held in this position, by a balance
or weight R, on its other end, above this lever is a lever or handle S attached to a
rod T, crossing the machine, and lower down are arms carrying runners or bowls V,
which bear against the front side of one of the two rollers, under the pin rail, on
the rod T, is an arm S¹, passing down to the horizontal lever or rod M, sufficiently
close to clear a projection M', on the same, but should a warp thread break, its
pin drops between the two rollers, and at whatever point, moves the front roller
(which is hung on two lovers or incline brackets W,) forward parallel throughout
its entire length, it moving forwards, the runner V on the lever, brings it in contact
with the projection M', on the horizontal lever, and depresses it, so that on its
forward movement it pushes the projection N on the stop rod or spring handle P,
and stops the machine.
On the bracket which guides the knocking off handle, I pivot a lever from
which I either push or pull, the before named horizontal lever, so as to act in
accordance with the above arrangement for liberating the spring handle.
Having now particularly described and ascertained the naturo of the said
Invention and in what manner the same is to be performed I declare that what
I claim is
1 The inclined slots in the rail, or box, for partly sustaining the drop pins,

page_text: 2 The arrangement of levers operated from one of the rollers F, and operated
upon by other levers so as to instantaneously stop the frame on the breaking of
the warp thread as shewn and described.
3 The roller G, carried in inclined brackets, W, arranged so that at whatever
point a pin drops it moves forwards, parallel throughout its entire length as shewn
and described.