Improvements in Machinery for Spinning, Twisting, and Doubling Yarns.
Year: 1889

page_text: Date of Application, 17th Sept., 1889-Accepted, 19th Oct., 1889
Improvements in Machinery for Spinning, Twisting, and Doubling
Yarns.
I, HOWARD PRIESTMAN, of Ashfield Mills, Bradford, in the County of York,
Spinner and Manufacturer, 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 bas reference to machinery employed in spinning, twisting, and
doubling yarns, whether on the principle of the flyer, cap, or ring and traveller, my
invention being applicable only to that class of machinery where the spindles are
placed at such an inclination in relation to the front rollers as to prevent the yarn
from bearing upon the upper surface of the bottom roller after the said yarn has left
the nip of the front or delivery rollers, so that such yarn is at liberty for taking the
twist immediately upon leaving the nip, which allows twist to be put into the yarn
throughout the whole length which lies between the nip and the cap or flyer.
The object of my improvements in the above class of machinery is to obtain a
steady and satisfactory system of driving the spindles. To do this I use the ordinary
tin cylinder, placed in a position which, together with guide and tension pulleys
arranged on each side of the said tin cylinder, enables me to get the driving tape or
band at about right angles with the spindle, thereby preventing any oscillation or
lifting of the wharle upon the spindle, in the case of cap frames, as would be the case
if the driving tape were not in this position.
In order that my invention may be more fully understood, I will now make
reference to the accompanying sheet of drawings illustrative thereof, wherein Fig. 1
is cross section of a cap spinning frame and Fig. 2 is front elevation thereof showing
the means employ for driving the wharles." a represents the framework of the
machine and the bobbins containing the roving to be spun or twisted; the said
roving passes through guide eyes c, back rollers d, and front or delivery rollers e.
The cap and spindle is indicated by letter and is shewn to be at an angle so that ou
the yarn leaving the nip of the bottom rollers e it is free to receive twist between that
point and the bottom of the cap. The means I employ for driving the said wharles
consists of the usual tin cylinder marked g. I also employ a guide pulley h, suspended
in fixed bearings i. The corresponding guide pulley is also employed, but this
pulley is carried by the bracket swinging upon the stud which by means of
weight m keeps the driving tape n at a suitable tension. This driving tape is endless,
and preferably it is made to pass over two wharles o at one side of the frame, and two
wharles o at the opposite side of the frame as shewn in Fig. 2, whereby each driving
tape can be made to drive four spindles.
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
In spinning machinery where the spindles are placed at such an angle to the
combined centres of the front rollers as will prevent the yarn from resting upon the
front bottom rollers, the combination therewith of an arrangement of guide and
tension pulleys for driving the said inclined spindles, arranged and operated sub-
stantially as herein shewn and described.
Dated this 14th dore of Santamber 1880
TASKER & CROSSLEY,
Halifax, Agents.