Improvements in Spinning Frames.
Year: 1891

page_text: Date of Application, 26th Jan., 1891
Complete Specification Left, 26th Oct., 1891-Accepted, 28th Nov., 1891
PROVISIONAL SPECIFICATION.
Improvements in Spinning Frames.
We ALEXANDER CUNNINGHAM ROBERTSON, Machine Fitter, 2 East
Henderson's Wynd, Dundee, County of Forfar, Scotland, and ROBERT SCOTT
CHALMERS, Machinist, 32 Dudhope Street, Dundee, County of Forfar, Scotland,
and JAMES LYON SCOTT LYON, Joiner, 31 Reform Street, Dundee, County of
Forfar, Scotland do hereby declare the nature of this invention to be as follows:-
Our invention relates to spinning frames, and has for its object to lessen the
waste of rove consequent upon the coming down of an end.
We carry our invention into effect by placing at a convenient position on the
frame a mechanism constructed to release the slip or back roller, and at the same
time to seize and stop the forward motion of the rove in the event of an end
coming down.
The mechanism consists of a simple catch or gripper, for seizing the rove, and a
liffter to release or lift the back roller, both being simultaneous in action.
The operation of our mechanism results in the saving of that portion of rove
which lies between the retaining roller and the drafting roller, besides other waste
usually incurred in the putting up of the end..
24th January 1891.
ALEXANDER C. ROBERTSON.
R. S. CHALMERS.
JAS. L. SCOTT LYON.
COMPLETE SPECIFICATION.
Improvements in Spinning Frames.
We, ALEXANDER CUNNINGHAM ROBERTSON, of 2 Henderson's East Wynd,
Machine Fitter, ROBERT SCOTT CHALMERS, of 32 Dudhope Street, Machinist,
and JAMES LYON SCOTT LYON, of 31 Reform Street, Joiner, all of Dundee, in
the County of Forfar, N.B. 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:-
Our invention relates to spinning frames, and has for its object to lessen the
waste of rove consequent upon the coming down of an end.
The accompanying sheets of explanatory drawings illustrate the method of.
carrying out our invention, according to two modifications.
Figures 1. and 2. (Sheet No. 1.) and Figure 5. (Sheet No. 2.) represent a front
view, a plan, with the rove bobbins removed, and a side view respectively, of one
modification of our invention, the mechanism of which is designed to controll the
rove of two bobbins simultaneously, the illustrations showing the slip or pressing
rollers hard against the retaining roller, and the rove free to move forward.
Figures 3. and 4. (Sheet No. 1.) and Figure 6. (Sheet No. 2.) represent a front
view, a plan, with the rove bobbins removed, and a side view respectively, of the
other modification of our invention, the mechanism of which is designed to controll
the rove off one bobbin only, the illustrations showing the slip or pressing roller
away from the retaining roller, and the rove unable to move forward.
In these drawings the same reference numerals are used to mark the same or
like.parts wherever they are repeated.
In the modification as illustrated by Figures 1. 2. and 5., 7. are the rove bobbins
and 8. the rove, moved forward by means of the retaining roller 10. and the slip or

page_text: pressing roller 9, the said retaining roller 10. continuously rotating in the direction
of the arrow, during the time the machine is at work. 11. is a lever hinged at 12.
and is for the purpose of controlling the movements of the slip or pressing roller 9.
together with the rove,. 13. being the adjusting screw. 15. is a weight which tends
to keep the rollers 9. and 10. together. 16. is a lever for pushing back the
grippers 14. and actuates same by means of the levers 17. and 18., the spring 19.
always tending to make the grippers catch the rove, unless the catch 20. on the
lever 16. be in gear. 21. is the rope, chain, or other suitable connection by means
of which the simultaneous movements of the grippers 14. and the rollers 9. are
controlled.
In the other modification, as illustrated by Figures 3. 4. and 6. the movements
are nearly similar to those of our first modification; the essential difference between
them being, that in the first modification the pressing rollers slip in fixed guides
and controll the rove from two bobbins, and in the second the pressing roller is
carried in a bracket 22. hinged at 23., the lever 11. being jointed to said bracket
at 12.
When the lever 16. is liberated from its catch, the lever 11. is elevated and the
bracket 22. carrying the pressing roller is free to swing back; thus taking the
pressure off the retaining roller, and causing the gripper 14. to stop the rove.
The mechanism operates in the following manner:-When the spinning frame is
in full operation, each mechanism is set as shown in Figure 5. (Sheet No. 2); that
is to say the lever 16. is pushed in and held in position by means of the catch 20. ;
an operation which keeps back the grippers 14., thus allowing the rove to pass, and
simultaneously lowering the lever 11., in this manner pressing the roller 9. against
the other 10. and so drawing the said rove forward in the usual way. Should the
yarn break, the attendant by lifting the lever 16. out of its catch, allows the
pressure of the spring 19. to push forward the gripper 14. which takes hold of
the rove, and at the same time lifts the lever 11, in this manner taking off the
pressure of the roller 9. from the other 10. When the ends are to be joined, the
lever 16. is again pushed in until the catch 20. is in position, and the work proceeds
as before.
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) In spinning frames, the construction and arrangement of parts for moving
forward the rove, and causing the same to be stopped when desired, substantially as
described and illustrated with reference to Figures 1. 2. and 5.
(2) In spinning frames, the construction and arrangement of parts for moving
forward the rove, and causing the same to be stopped when desired, substantially as
described and illustrated with reference to Figures 3. 4. and 6.
(3) In spinning frames, the combination of the swing bracket 22., jointed at 23.,
and carrying the pressing roller 9, the action of which is controlled by means of
the lever 11. and its appurtenances, substantially as described and illustrated with
reference to Figures 3. 4. and 6.
(4) In spinning frames the combination of the spring 19. the gripper 14. with the
lever 16. substantially as described.
Dated 1 do of the
1001
GEO. C. DOUGLAS & Co.,
Applicant's Agents.