Improvements in Mechanism for Preventing Singles in Preparing, Spinning, Doubling, and Winding Fibrous Materials.
Year: 1888

page_text: Date of Application, 11th Aug., 1888
Complete Specification Left, 15th Dec., 1888
Complete Specification Accepted, 15th Jan., 1889
Improvements in Mechanism for Preventing Singles in Preparing,
Spinning, Doubling, and Winding Fibrous Materials.
I THOMAS BENTLEY of No. 5 Commercial Street Oldham in the County of
Lancaster Carder do hereby declare the nature of this Invention to be as
follows:-
This invention relates to improvements on the Invention for which Letters Patent
No. 4674 were granted to one of us the said Thomas Bentley and to Samuel Makin on
the 29th March 1887 and the object of my improvements is to render the mechanism
therein described more certain and reliable in its action.
In carrying out my present improvements I dispense with the pair of rollers one of
which had projections and the other corresponding recesses and between which the
sliver yarns or threads passed as described in the Specification to said Letters Patent
and instead I employ a single rotating shaft over or under which the sliver yarns or
threads pass to the series of balanced levers as before. This shaft has formed or secured
upon it projecting wings or webs and when one of the slivers yarns or threads breaks
or fails and the end of its balanced lever fails one of the webs or wings acts upon the
fallen end of the lever and forces the said lover into a slot in a bracket and so holds
the remaining sliver yarn or thread until the strain or pull breaks it off. The bracket
above mentioned has a separate slot in it for each sliver or thread and in conjunction
with the series of balanced levers actuated by the wing shaft as described forms a
reliable device for trapping and breaking off the remaining sliver yarn or thread when
one breaks or fails.
As an alternative arrangement I may dispense with the wiper shaft and in the case
of single boss rollers employ two levers pivoted on a stud these levers have teeth at
one end and are arranged to be supported in their normal positions each by one sliver
should a sliver break its lever falls and the teeth come on to the other sliver and hold
it until broken by the rollers thus preventing a single sliver going forward. In the
case of double bosses 1 employ four levers pivoted preferably on two studs for each
double boss.

page_text: Improvements in Mechanism for Preventing Singles in Preparing,
Spinning, Doubling, and Winding Fibrous Materials.
I THOMAS BENTLEY of No. 5 Commercial Street Oldham in the County of
Lancaster, Carder, 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 :-
This invention relates to improvements on the Invention for wbich Letters Patent
No. 4674 were granted to me the said Thomas Bentley and to Samuel Makin on the
29th March 1887 and the object of my improvements is to render the mechanism
therein described more certain and reliable in its action.
In carrying out my present improvements I dispense with the pair of rollers one of
which had projections and the other corresponding recesses and between which the
slivers yarns or threads hereinafter referred to under the single designation sliver
passed as described in the Specification to said Letters Patent and instead I employ
in the case of single boss rollers two levers pivoted on a stud, these levers have teeth
at one end and are arranged to be supported in their normal positions each by one
sliver.
Should a sliver break its lever falls and the teeth come on to the other sliver
and hold it until broken by the rollers thus preventing a single sliver going
forward.
In the case of double bosses I employ four levers pivoted preferably on two studs
for each double boss.
And in order that my Invention may be fully understood and readily carried into
effect I will describe the accompanying two Sheets of Drawings reference being had
to the figures and letters marked thereon.
Figure 1 is an end elevation of part of a slubbing intermediate or roving frame
with double boss rollers to which my present improvements are applied.
Fig. 2. is a front elevation of the same with the bobbins removed.
Fig. 3 is a plan of Fig. 2.
Figs. 4 and 5 are detail views on a larger scale of some of the parts shown in the
preceding views.
Fig. 6 is a similar view to Fig. 2 but illustrating the application of my improvements
to a frame with single boss rollers.
Similar letters refer to similar parts throughout the several views.
In the frame illustrated by Figs. 1 to 5 there are four bobbins a of which two only
can be seen in Fig. 1 from each of which bobbins a sliver 61 62 63 64 passes through
one of four guide eyes c to one head or section of the double boss fluted or
drawing rollers d, the slivers b being further supported and guided in notches in
two vertical plates e e¹. On the plate e are two studs ff one on either side of two
vertical plates g g' which also serve as supports for the slivers and are formed with
or carried on the bracket 92_ which carries the guide eyes c. On each stud f are

page_text: The front
pivoted two weighted balanced levers hi and respectively which are of the
peculiar shape and construction shown best in the detail view Fig. 4.
portions of the weighted balanced levers h¹ have fine teeth or needle points and
the middle portions are smooth where they bear respectively upon the two outer
slivers 6 6 which support them in their normal positions as shown in Fig. 2 whereas
the middle portions of the weighted balanced levers i¹ have teeth and the front
portions are smooth where they bear respectively upon the slivers 6² 6³.
It follows from the foregoing that when one of the slivers breaks the front end of
the weighted balanced lever, which it has been supporting, falls forward into one of
the spaces between the vertical plates g g¹ or g¹e and the teeth on the said lever come
on to the other sliver. For example, say that the sliver 6' breaks or fails then the
pivoted lever h which up to that moment it had been supporting falls forward between
the two plates g g₁ and the teeth on its front end drop on to and trap the sliver b²
which being thus held, is broken off by the action of the rotating drawing rollers d.
In like manner if the sliver 62 were to break the lever h¹ or as the case might be
would fall and trap the other sliver.
The arrangement illustrated by Fig. 6 for a frame with single boss rollers is
substantially the same as that shown in the, preceding views. The only difference
being that in this case only one pair of levers hi mounted preferably on a single
stud fare required as only two slivers 162 are treated at each head or section of the
machine.
When three threads are being wound or twisted together it would be necessary to
employ three weighted balanced levers each supported by one thread and having teeth
to catch and trap the other two threads in a similar manner to that already described
for the slivers.
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 with each pair of slivers yarns or threads which pass over
and are supported by vertical plates such as g g' and e, of a pair of balanced levers
each of which has teeth and is supported by one sliver or thread and is arranged
to fall and trap the other sliver or thread when its supporting sliver or thread breaks
or fails substantially as herein set forth for the purpose specified.
2. The combination with the vertical plates gg¹ and e, of a pair or pairs of weighted
balanced levers provided with teeth all arranged and operating substantially in the
manner and for the purposes herein described and as illustrated by the Drawings
annexed.
3. The several constructions and combined arrangements of parts embodying my
improvements in mechanism for preventing singles in preparing spinning doubling
and winding fibrous materials substantially as described and as shown.
1000
H. B. BARLOW,
17, St. Ann's Square, Manchester,
Agent for Applicant.
H. B. BARLOW,
17, St. Ann's Square, Manchester,
Agent for Applicant.