Improved Method of and Apparatus for Covering Rollers used in Spinning and like Machinery.
Year: 1890

page_text: Date of Application, 29th Aug., 1890
Complete Specification Left, 28th May, 1891-Accepted, 4th July, 1891
PROVISIONAL SPECIFICATION.
Improved Method of and Apparatus for Covering Rollers used in
Spinning and like Machinery.
We, CHARLES HENRY BRIGGS, of Bowling Mills, Bradford, in the County of
York, Spinner, and JOHN LOXAM, of the same place, Mechanic, do hereby
declare the nature of this invention to be as follows:-
This invention relates to certain improvements in the method of and apparatus
for covering soft rollers for spinning and drawing.
Hitherto the rollers have been covered in the following manner-
The rollers are covered by hand with leather of suitable thickness and quality,
previously softened by water and the "inside" is nailed in position by the coverer
holding the same firmly on the "nailing plate" with his left hand whilst the nail is
driven by the right hand, the roller is revolved round also by the left hand after
each nail has been driven bringing the portion to be nailed opposite to the operator,
until, on that side, the leather is secured to the roller.
The "outside" is then treated in a different manner, seeing that it is necessary
to stretch the leather tight over the periphery of the roller before securing it by
nailing to this side; this is done by inserting a pricker into the leather and by the
leverage, stretching the leather before being secured by nailing as in the first
operation, but it is performed on a second "nailing plate" of different construction
to that on which the first securing of the leather is effected.
By our improvement a machine is constructed with a revolving nail plate of
such form as will permit of the first and second operations being accomplished
upon it.
The leather is also stretched and pressed tight upon the periphery of the roller
by one and the same machine. The machine may be worked by treadle or power-
leaving the left hand used in holding the roller on the nail plate, in the old inethod,
free, as the roller is secured on the revolving nail plate and is revolved for the
nailing mechanically; the first operation on the improved machine is to effect the
nailing of the leather to the "inside" of the roller, the latter being revolved by
the machine to the required position for the nailing on by hand hammer. This
done the roller is turned over and the stretching is effected by a revolving rowell
working at such an angle to the roller as will stretch the leather tight over the
periphery of the roller, immediately after the stretching comes the presser, a
revolving disc of such form as will give the desired configuration to the angle of
the roller pressing against the revolving roller both on its periphery and side, the
nailing as above securing the leather to the roller in the position stretched by the
stretcher and evenly laid by the presser. The roller may then be turned over and
run round against the presser only in order to form both angles alike, thus enabling
more and better work to be done in less time than hitherto.
Dated this 26th day of August 1890.
JOHN WAUGH,
Agent.

page_text: COMPLETE SPECIFICATION.
Improved Method of and Apparatus for Covering Rollers used in
Spinning and like Machinery.
We, CHARLES HENRY BRIGGS of Bowling Mills, Bradford, in the County of
York, Spinner, and JOHN LOXAM of the same place, Mechanic 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 certain improvements in the method of, and apparatus
for covering soft rollers for spinning and drawing.
Hitherto the rollers have been covered by hand with leather of suitable thickness
and quality, previously softened by water, the inside is nailed in position by the
coverer holding the roller firmly on the nailing plate with his left hand whilst the
nail is "driven by the right hand; the roller is revolved round also by the left
hand, after each nail has been driven, bringing portion to be nailed opposite to the
operator, until, on that side the leather is secured to the roller. The opposite or
outside is then set back and treated in a different manner, seeing that it is necessary
to stretch the leather tight over the periphery of the roller, before securing it by
nailing this is done by inserting a pricker into the leather, and by the leverage,
stretching the leather before being secured by nailing as in the first operation, but
it is performed on a second "nailing plate" of different construction to that on
which the first securing of the leather is effected.
By our improvement, a machine is constructed with a revolving "nail plate" of
such form, as will perimit of the first and second operation being accomplished
upon it.
In order that our invention may be fully understood, we will describe the same
by making reference to the accompanying sheet of drawings, in which
Fig. 1. represents a plan of our improved apparatus.
Fig. 2. a section of same through line a. b. and
Figs. 3. 4. and 5 are details.
The bed plate A. may be supported upon any suitable foundation, and prepared
to receive the "nail plate" B. round the circumference of which, on the underside
is formed a toothed rack C. gearing with wheel D. secured on shaft E.
On the opposite end of said shaft, we secure another wheel F. gearing with
worm G. secured on shaft H. upon which are mounted the fast and loose driving
pullies J. and K. which may be driven from any convenient position.
The roller R. to be covered, has the strip of leather of sufficient length to go
round the entire circumference tacked thereon, for the purpose of better keeping
same in position, it is placed on the raised disc L. forming part of the nailing
plate B. and is securely held thereon by means of the adjustable holder M. attached
to screwed bar N. which engages with end of sliding arm O. secured on upright
supporting bar P. thus leaving the left hand hitherto used in holding the roller R.
on the "nail plate" free.
On the machine being set in motion the "nail plate" B and the roller secured
thereon, are carried round, by means of the gearing hereinbefore described, at such
a speed as will admit of the leather covering being nailed thereto by hand. The
said leather covering is pressed and stretched on to the roller automatically, by
means of the revolving rowell P which is capable of adjustment vertically and
horizontally at the will of attendant by means of the screws S. S. in the slide rest
of ordinary construction as shewn by Fig. 3.
In order to allow of the outside of the roller having the leather nailed on in a
similar manner, we form the "nailing plate" B, with a detachable V-shaped
piece Q. which is supported by the edges of the same, engaging with suitable
groves, in the circular plate, and can be withdrawn, for the insertion of roller R, to

page_text: the position for nailing, and for the outside of the same to be in contact with the
adjustable revolving rowell P¹ as shewn by Fig. 3.
In order to allow of the nail plate B. being actuated by means of a treadle we
secure on shaft E' supported by journals on plates P2 a lever S¹ connected by a
chain or rod to a treadle of the ordinary description.
To the said shaft is secured a lever T coupled by a rod U. to lever W. mounted
at or near the centre on a pin as fulcrum, the opposite end of lever being coupled
to a forked bar Y. so that on operating the treadle and lever S¹ the forked bar is
also operated in such a manner that, the pin Z. in said bar, engages with the
teeth, and moves the ratchet wheel R' a distance equal to one tooth, each
operation.
Having now particularly described and ascertained the nature of this inven-
tion and in what manner the same is to be performed, we declare that what we
claim is
-
The combination of the nailing plate B. with the operating mechanism in
connection with shaft E. and the adjustable holder M. all arranged substantially
in the manner as hereinbefore described and illustrated and for the purpose set
forth.
JOHN WAUGH,
Agent.