Improvements in Combing Machines.
Year: 1891

page_text: Date of Application, 7th May, 1891
Complete Specification Left, 6th Feb., 1892-Accepted, 12th Mar., 1892
PROVISIONAL SPECIFICATION.
Improvements in Combing Machines.
I WALTER MOORES, Foreman with Messrs. John Hetherington & Sons Limited
of Pollard Street, Manchester, in the County of Lancaster do hereby declare the
nature of this invention to be as follows:-
My said invention relates to apparatus for combing textile fibres and more
particularly to combing machines of the well known Heilmann type. The combing
cylinders of such machines as ordinarily made, carry one set of needles on one
side of the cylinder and a segment on the other. In some instances however the
set of needles and the segment have been duplicated on the cylinder with the
necessary result that with the old surface speed of cylinder the nipper and detaching
roller mechanism have had to be moved at double the former speed so as to give
two movements per revolution of the cylinder instead of one as formerly. To
effect this the cam shaft has been run at twice the former speed with the result
that considerable vibration and shock has been set up in the machine and the quality
of the work impaired.
The object of my invention is to produce a machine which while fitted with a
cylinder having more than one set of needles and segments and while maintaining
the old surface speed of cylinder does not require any additional speed of cam
shaft to increase the number of movements of the detaching roller mechanism. To
effect this result in the case of a cylinder having two sets of needles and two
segments I employ two cams that is to say I mount an additional cam upon the cam
shaft setting the one cam opposite to the other. The means for operating the
nipping and detaching mechanism are the same as before, each cam having its
corresponding parts, and so arranged that when one cam is operating the detacher
the other cam is inoperative, the cams being set so as to operate alternately.
Thus with the usual speed of cam shaft I am enabled to duplicate the movements
of the detaching mechanism so as to act in consonance with the duplicate sets of
needles and segments on the cylinder. It will be evident that I might mount more
than two sets of needles and segments on the combing cylinder so long as I provide
an additional cam for each additional set. I might also instead of increasing the
number of cams, so form a single cam as to multiply the motions in each revolution
or I might use an arrangement of multiplying levers to effect the same object.
By the means set forth I am enabled to increase the number of movements of
the detaching mechanism per revolution of the combing cylinder without increasing
the speed of the cam shaft whereby I am enabled to avoid the hurtful effects of
such increased speed.
Dad thin ath of MA 1801
DUTTON & FULTON,
1, St. James' Square, Manchester, Agents.
COMPLETE SPECIFICATION.
Improvements in Combing Machines.
I WALTER MOORES, Foreman with Messrs. John Hetherington & Sons Limited
of Pollard Street, Manchester, in the County of Lancaster, 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 and
accompanying drawings:-
My said invention relates to apparatus for combing textile fibres and more

page_text: particularly to combing machines of the well known Heilmann type. The combing
cylinders of such machines as ordinarily made, carry one set of needles on one side
of the cylinder and a segment on the other. In some instances however the set of
needles and the segment have been duplicated on the cylinder with the necessary
result that with the old surface speed of cylinder the nipper and detaching roller
mechanism have had to be moved at double the former speed so as to give two
movements per revolution of the cylinder instead of one as formerly. To effect
this the cam shaft has been run at twice the former speed with the result that
considerable vibration and shock has been set up in the machine and the quality
of the work impaired. The object of my invention is to produce a machine which
while fitted with a cylinder having more than one set of needles and segments and
while maintaining the old surface speed of cylinder does not require any additional
speed of cam shaft to increase the number of movements of the detaching roller
mechanism. To effect this result in the case of a cylinder having two sets of
needles and two segments I employ two cams that is to say I mount an additional
cam upon the cam shaft, setting the one cam opposite the other. The means for
operating the nipping and detaching mechanism are the same as before, each cam
having its corresponding parts, and so arranged that when one cam is operating the
detacher the other cam is inoperative, the cams being set so as to operate alternately.
Thus with the usual speed of cam shaft I am enabled to duplicate the movements
of the detaching mechanism so as to act in consonance with the duplicate sets of
needles and segments on the cylinder.
set.
It will be evident that I night mount more than two sets of needles and segments
on the combing cylinder so long as I provide an additional cam for each additional
I might also instead of increasing the number of cams, so form a single cam
as to multiply the motions in each revolution or I might use an arrangement of
multiplying levers to effect the same object. By the means set forth I am enabled
to increase the number of movements of the detaching mechanism per revolution
of the combing cylinder without increasing the speed of the cam shaft whereby I
am enabled to avoid the hurtful effects of such increased speed.
To render my invention perfectly clear I have attached hereunto a sheet of
drawings to which I will refer in the following particular description of my
improvements.
Fig. 1 is a sectional view of a combing machine in which the existing cam, cam
lever, cradle and pawl are represented in full lines while the additional cam, lever,
cradle and pawl are represented in dotted lines.
Fig. 2 is a view at right angles to Fig. 1.
In the said figs. the combing cylinder provided as shown with a double set of
needles and segments kk is marked a. The detaching roller shaft is marked b.
The driving shaft is indicated by the cam shaft by d.
As has been said the gist of my invention consists in so arranging that where
the combing cylinder is fitted with two or more sets of needles and segments, I
correspondingly increase the number of movements of the detaching roller mechanism
without increasing the speed of the cam shaft. The drawings illustrate a valuable
and practicable means for obtaining this result but it must be understood that I do
not limit myself to the means thus illustrated. As shown in the drawings the
means I prefer to employ consist in a duplication of the existing cam. The said
existing cam is marked e in the drawings and is delineated in full lines in Fig. 1.
The additional cam which I fix upon the cam shaft d is shown in dotted lines
and is marked e'. It will be seen on reference to the drawings that in conjunction
with the ordinary cam e there is the bowl f double lever g pivotted on the cradle
shaft and pawl i working in the notch wheel j so as to operate the detaching
roller and shaft 6 in the ordinary manner. It will be evident that with the double
arrangement of combing cylinder running at the old speed the detaching rollers
require to be operated twice during each revolution of the combing cylinders instead
of once as before. It has been attempted to do this by doubling the speed of the
cam shaft d so as to double the duty of the single cam, but it has been found that

page_text: in such a case considerable vibration and shock is set up in the machine with the
result that the quality of the work is impaired.
Under my improvements I preserve the old speed of the cam shaft and to obtain
the increased number of movements of the detaching rollers, I simply add an
additional came together with the cognate parts operated by the cam that is to
say the bowl, double lever g' pivotted on the existing cradle shaft h and the
pawl and notch wheel j'. As clearly shown in Fig. 1 the cams e e¹ are set to
operate alternately the cams being set opposite to each other. Thus although the
speed of the cam shaft d remains the same as before the number of movements of
the detaching mechanism is doubled and this result is obtained without prejudicing
in any way the quality of the work or the stability of the machine. In Fig. 2 the
relative positions of the two cams with their dependent parts are clearly indicated.
I have considered it unnecessary to show or describe those parts of the machine
not affected by my invention as they will be familiar to all acquainted with the
class of mechanism.
It will be evident that should it be considered desirable to furnish the combing
cylinder a with more than two sets of needles and segments thus necessitating a
greater number of movements of the detaching mechanism than two, such increased
number of movements might be obtained by the employment of additional cams.
In some cases instead of increasing the number of cams, I might form a single cam
so as to multiply the motions in each revolution or I might use an arrangement of
multiplying levers to effect the same object. In all of these modifications the
object within the scope of my invention would be to obtain these results without
increasing the speed of the cam shaft whereby the hurtful effects of such increased
speed are avoided.
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) In combing machines of the indicated nature and provided with combing
cylinders having more than one set of needles and segments the employment of
means whereby while preserving the ordinary speed of cam shaft, the number of
movements of the detaching mechanism can be increased so as to correspond with
the number of needles and segments on the combing cylinder substantially as
hereinbefore described and shown or any mere modification thereof or mechanical
equivalent therefor.
2) In combing machines of the indicated nature and provided with combing
cylinders having two or more sets of needles and segments, the employment of two
or more cams or cam grooves or surfaces carried on the ordinary cam shaft and
revolving at the ordinary speed the extra cam or cams operating its or their
dependent levers and parts so as to give the requisite increased number of move-
ments to the detaching mechanism substantially as described and shown.
Dated this 5th day of February 1891.
DUTTON & FULTON,
1, St. James' Square, Manchester, Agents.