An Improved Stop or. Trap Motion for Drawing Boxes or the like Apparatus.
Year: 1894

page_text: Date of Application, 10th Feb., 1894
Complete Specification Left, 9th Nov., 1894-Accepted, 15th Dec., 1804
PROVISIONAL SPECIFICATION.
An Improved Stop or. Trap Motion for Drawing Boxes or the like
Apparatus.
We PRINCE SMITH of the Firm of Prince Smith & Son of Burlington Shed,
Keighley, in the County of York, Machine Maker, and SPENCER LONGBOTTOM
of the same place and in the employment of the said firm, Draughtsman do hereby
declare the nature of this invention to be as follows:-
The slubbing when drawn off the bobbins or like sources of supply passes over a
first rod and under a second rod, then through detectors which are suspended
hanging on the slubbing as long as it is intact, and over a third rod to the
rollers.
There is an eccentric fixed on the drawing roller arbor and this eccentric gives
an oscillating motion to a centred arm lever through an adjustably jointed
connecting eccentric rod.
The centred arm or lever being fixed to an axis or shaft transmits the motion to
the levers pivoted on said axis which carry a suitable beater bar.
A catch is pivoted on the eccentric rod which operates the stop motion.
A relieving plate for the stop rod is provided.
When the machine is working, the tension in the slubbing holds the detectors
suspended thereon in their highest position, so that they keep clear of the oscillating
beater bar, but as soon as the slubbing breaks, or is run out, then the detectors fall
into their lowest position and coming in front thereof, prevent the beater bar and
its actuating lever from oscillating, so that a stud connecting it to the loop or
inclined slot of the connecting rod becomes a fixed centre for the time.
Then the motion of the eccentric causes the eccentric rod by means of the
inclined slot to slide upon the fixed stud thereby bringing the said stop motion
operating catch into collision with an adjustment screw and lifting the said
relieving plate so that the stop, rod, which is weighted, slides through. a slot in
said plate and in so doing shifts the belt on to the loose pulley and stops the
machine.
When starting the machine, in order to avoid trapping until all the detectors are
raised to their highest position by their tension in the stubbing, it is only necessary
to drop the stop motion operating catch on one side, so as not to collide with the
adjustment screw in the relieving plate which enables the machine to be run when
the detectors are down in their lowest position. There is also provided a catch
lever for holding the beater bar fast by catching hold of the fixed stud on its
actuating lever and thereby holding it clear of the detectors while starting the
machine or recharging the creel.
By these means we attain a simple, strong and efficient means of trapping any
broken or failing end in drawing apparatus.
Dated the 10th day of February 1894.
WM. BROOKES & SON,
55 & 56, Chancery Lane, London, Agents for the Applicants.

page_text: Fig. 1 shews the improved stop motion by a side view, and,
Fig. 2 shews parts of the same by a view looking at right angles to Fig. 1.
The slubbing A when drawn off the bobbins B or like sources of supply passes
over a first rod C and under a second rod D, then through the detectors E which
are suspended hanging on the slubbing as long as it is intact, and over a third rod F
to the rollers.
G is an eccentric fixed on the drawing roller arbor H and this eccentric gives an
oscillating motion to a centred arm lever I through an adjustably jointed connecting
eccentric rod J. The centred arm or lever I being fixed to an axis or shaft K
transmits the motion to the levers L pivoted on said axis which carry a suitable
beater bar M. A catch N is pivoted on the eccentric rod J which operates the
stop motion. A relieving plate O for the stop rod P is provided.
When the machine is working, the tension in the slubbing A holds the detectors E
suspended thereon in their highest position, so that they keep clear of the oscillating
beater bar M, but as soon as the slubbing A breaks, or is run out, then the
detectors E fall into their lowest position and coming in front thereof, prevent the
beater bar M and its actuating lever I from oscillating, so that a stud 1' connecting
it to the loop or inclined slot of the connecting rod becomes a fixed centre for the
time.
Then the motion of the eccentric G causes the eccentric rod J by means of the
inclined slot J to slide upon the fixed stud 1'thereby bringing the said stop motion
operating catch N into collision with an adjustment screw O' and lifting the
relieving plate O so that the stop rod P, which is weighted, slides through a slot P¹
in said plate and in so doing shifts the belt on to the loose pulley and stops the
machine.
When starting the machine, in order to avoid trapping until all the detectors are
raised to their highest position by their tension in the slubbing, it is only necessary
to drop the stop motion operating catch N on one side, as shewn by dotted lines
Fig. 2 so as not to collide with the adjustment screw O' in the relieving plate O
which enables the machine to be run when the detectors E are down in their lowest
position. There is also provided a catch lever Q for holding the beater bar M fast
by catching hold of the fixed stud I' on its actuating lever and thereby holding it
clear of the detectors E while starting the machine or recharging the creel, this
position being shewn by dotted lines Fig. 1.
By these. means we attain a simple, strong and efficient means of trapping any
broken or failing end in drawing apparatus.

page_text: Having now particularly described and ascertained the nature of our said inven--
tion and in what manner the same is to be performed we declare that what we
claim is :-
1. The combination or arrangement and use of means or apparatus forming a
stop or trap motion for drawing boxes and the like comprising a fixed detector bar,
detectors held thereby, an oscillating lever in connection with an eccentric rod or
equivalent device and a pivotted catch and parts cooperating therewith substantially
as set forth and shewn by the drawings.
2. In a trap or stop motion for drawing boxes or the like apparatus the-
construction and use of the improved arrangement of parts adapted to cooperate-
together substantially as and for the purpose hereinbefore set forth.
Dated the 8th day of November 1894.
WM. BROOKES & SON,
55 & 56, Chancery Lane, London, Agents for the Applicants..