Improved Stop-motion, applicable for "Noble" or like Combing Machines.
Year: 1890

page_text: Date of Application, 8th Nov., 1890
Complete Specification Left, 8th Aug., 1891-Accepted, 12th Sept. 1891
PROVISIONAL SPECIFICATION.
Improved Stop-motion, applicable for "Noble" or like Combing
Machines.
I THOMAS THORNTON of Sutton, Crosshills, near Keighley in the County of
York, Combing Overlooker, do hereby declare the nature of this invention to be as
follows, that is to say :-
It consists of an arrangement of mechanism to form or be used as a stop-motion
for wool-combing machinery in general, but is more especially applicable for use in
connection with that class or type known as Noble's combs, and I arrange the said
stop-motion to effect the stoppage or to arrest the motion of the machine whenever
the sliver is broken or fails to be in continuity as also should the sliver not be held
at its proper tension during the operations of the said machine, by which means
the damage to the comb thereof by the wrapping of the sliver around the drawing-
off rollers and circles is entirely avoided.
To attain the object of this invention I make use of feeler-levers that 1 arrange
to rest upon, so that their weighted ends may be supported by the slivers when same
are in proper order each sliver carrying its respective feeler-lever. The weighted
ends of these levers are made to extend to be in contact with the inclined arms
of a pendent lever when lowered as by the failure of their respective supporting
sliver.
On this pendent lever is fixed or formed a projecting catch-piece which is
arranged to support a sliding weight mounted upon a vertical bar that guides it in
its descent as hereinafter described.
In proximity with the bottom of this vertical bar is hinged a holding catch to be
operated in one direction by the falling weight and in the other by a spring, this
atter direction being the one for causing it always, when not acted upon by the
alling weight, to press its catch end against a falling bar in which is formed a notch
o receive said catch and thus be thereby supported.
This notched falling bar is weighted sufficiently to be enabled to move (when not
eld by its catch) the guide of the machine's driving belt, to which it is coupled by
chain arranged to travel over a guide pulley, or this coupling may be effected
y suitable slotted connecting rods, if desired, and so arrest the motion of the
achine.
From the foregoing it will be seen that so long as the sliver is in proper continuity
ad at the proper tension the feeler-levers are held clear of both of the inclined
Iges of the pendent lever, however so soon as these feeler-levers (or one of them)
ase (or ceases) to be thus properly held, they, (or either of them) descend and
ess said pendent lever to move sufficiently far to liberate the suspended weight,
hich thereby descends and by striking the holding catch liberates the falling bar
d so the motion of the machine is arrested.
The falling weight is coupled by suitable parts to the falling bar, so that when
e latter is replaced into position for the re-starting of the machine, the former will
o be placed in proper position.
Dated this 7th day of November 1890.

page_text: COMPLETE SPECIFICATION.
Improved Stop-motion, applicable for "Noble" or like Combing
Machines.
I, THOMAS THORNTON of Sutton, Crosshills near Keighley in the County of
York, Combing Overlooker, do hereby declare the nature of this invention and in
what manner the same is to be performed, to be particularly described and ascertained
in and by the following statement, that is to say :-
It consists of an arrangement of mechanism to form or be used as a stop-motion
for wool-combing machinery in general, but is more especially applicable for use in
connection with that class or type known as Noble's combs, and I arrange the said
stop-motion to effect the stoppage or to arrest the motion of the machine whenever
the sliver is broken or fails to be in continuity as also should the sliver not be held
at its proper tension during the operations of the said machine, by which means the
damage to the comb thereof by the wrapping of the sliver around the drawing-off
rollers is entirely avoided.
In the accompanying sheet of drawings
Fig. 1 is a top view shewing my improved stop-motion as applied to a Noble's
comb, while
Figs. 2 and 3 are side and front elevations shewing said stop-motion as
detached.
Fig. 4 is a drawing in detail of a certain part hereinafter described.
To attain the object of my invention I make use of feeler-levers a a' that I
arrange to rest upon, so that their weighted ends may be supported by the slivers b
respectively when same are in proper order. The weighted ends of these levers a a¹
are made to extend to be in contact with the inclined arms ¹² of a pendant c when
lowered as by the failure of their respective supporting slivers bb.
On this pendant c is fixed or formed a projecting catch-piece d which is arranged
to support a sliding weight e mounted upon a vertical bar which guides it in its
descent as hereinafter described.
In proximity with the bottom of the bar fis hinged a holding catch
to be
operated in one direction by the falling of the weight e and in the opposite direction
by a spring h, which causes said catch g to move into a notch formed upon the
falling bar or rod k in order to support said bar or rod in the position shewn by
Figs. 2 and 3.
This rod is weighted or otherwise operated as by a spring so that when it is
not held by the catch g it is moved and by its coupling chain m being joined to the
well known belt guide mechanism is enabled to bring with it the driving belt which
it thus removes from the fast to the loose pulley of the machine and so arrests its
motion.
From the foregoing it will be seen that so long as the slivers are in proper con-
tinuity and at the proper tension the feeler-levers a a¹ are held clear of both of the
inclines cand, however so soon as these feeler-levers a a¹ (or one of them) cease
(or ceases) to be thus properly held, they (or either of them) descend (or descends)
into contact with the said inclines e and causing same to move sufficiently far to
bring the piece d from beneath the suspended weight e which is thus liberated and
so descends into contact with the catch g which, by overcoming the spring h, it
draws or moves from holding the rod k and so effects the object desired.
In order to enable the levers a a' to move the pendant c even though they should
both strike same simultaneously, one of these levers is made heavier than the other
so that provided they thus struck said pendant c it would be more sufficiently far
out of its perpendicular position as to bring the piece d from beneath the
weight e.
By arranging the levers a a' so that by springs they are made to press upwardly
against and beneath the slivers b' similar results to those herein before described

page_text: may be effected on the breakage or failing of said slivers, however in this case the
pendant c would require the fixing of its arms to be so that they would be
inclined in the opposite direction to that already described, as is shown by
Fig. 5.
The falling weight e has the loop e' formed on it in order that the projecting
finger P, which is mounted upon the upper end of the rod k, may lay hold thereof
as it is raised or moved upwardly by said rod k on the re-starting of the machine,
and on said weight e reaching the bosses of the pendant e, said pendant c is adjusted
in its proper position for the projection d to be beneath the pin e² on the weight e
by reason of said weight e pressing against the flattened part of said boss ³ as shewn
by Fig. 4 by which means the said weight is re-adjusted in position when the
machine is re-started.
To enable the weight e to be raised by the finger p the projection d has its lower
edge inclined or at an angle to the path of motion of said weight so that same is
moved latteraly by and clear of said projection e². Again in order to leave said
weight e clear of the finger p after same is adjusted in position as above described,
said finger p is made to rise higher than said position of the weight e and by the
outer end of the finger p being inclined it causes its rod k to yield sufficiently to
enable it to slip out of contact with the loop e'. On the return movement of the
finger pits joint p' allows it to pass the loop e¹ and then fall into its position for
raising the weight as above described.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed I declare that what I
claim is:
1. The combination and arrangement of parts forming a stop-motion substantially
as herein described, and for the purposes specified.
2. In a stop-motion the combination of a falling weight with a pendant having
inclined arms together with means for operating this pendant substantially as
specified.
3. The arrangement in a stop-motion having a falling weight for effecting its
disengagement of means for re-adjusting said weight on the re-starting of the
machine substantially as specified.
Dated this 7th day of August 1891.
THOMAS THORNTON.
Per Samuel Hey,
Agent.