Improvements relating to Combing Machines.
Year: 1896

page_text: Date of Application, 27th Aug., 1896
Complete Specification Left, 24th May, 1897-Accepted, 26th June, 1897
PROVISIONAL SPECIFICATION.
[Communicated from abroad by THE SOCIÉTÉ ALSACIENNE DE CONSTRUCTIONS.
MECANIQUES, of Paris, in the Republic of France.]
Improvements relating to Combing Machines.
I, HENRY EDWARD NEWTON, of The Office for Patents, 6 Bream's Buildings,
Chancery Lane, in the County of London, Patent Agent, do hereby declare the
nature of this invention to be as follows:-
The object of this invention is to prevent the bellying or bending of the
drawing rollers while working.
To this end, the axle journals are prolonged considerably beyond the bearings
where the downward pressure is. exerted to produce the necessary nipping pressure,
aud, at the outer ends of these journals, means are provided which have the effect
of soparating them, that is to say, of producing a force antagonistic to the
downward force above referred to.
This antagonistic force may be applied to both rollers, or only one, and the
effect may be produced in, various ways.
The ordinary bearings thus act as fulcra, the power being exerted on the free
ends of the rollers, which power serves to counteract the tendency of the rollera to
bend at their middle.
The journals of the lower roller may enter sleeves, the inner,ends of which rest
on the frame of the machine, while the outer ends are provided, with springs which
serve to keep the ends of the two, rollers apart.
Or, the journals of the lower roller only may be prolonged, a weight on the end
of the sleeve serving for the purpose desired.
Or both rollers may have sleeves or their equivalent, and the sleeves at the
opposite ends may be connected, together by a strong bar or traverse. These
sleeves may be pluced either borizontally or at a slight angle.
For machines known as the Heilmann type, where a single roller is used, the
outer ends of the journals will be mounted in bearings carried by one arm of a
kind of bell-crank lever, the other arm being connected in any suitable manner
with a spring or weight, which will exert the necessary upward pressure.
Dated this 97th dox of August 1898
NEWTON & SON,
Agents for the Applicant.
COMPLETE SPECIFICATION
Improvements relating to Combing Machines.
I HENRY EDWARD NEWTON of The Office for Patents, 6 Bream's Buildings,
Chancery Lane in the County of London, Patent Agent, do hereby declare the
3 nature of this invention and in what manner the same is to be performed, tc
be particularly described aud ascertained in and by the following statement:-
The object of this invention is to prevent the bellying or, bending of the

page_text: drawing rollers of combing machines while working, and the invention consists.
more especially in an arrangement of drawing mechanism, by means of which
larger widths of material may be operated upon than in the machines at present
in use.
These last-named machines operate, in effect, upon surfaces of limited width,
because of the necessity for giving to the fluted drawing rollers a small diameter,
in order that the nip of the rollers may be near to the fixed comb, and so that the
production of noils may be consequently diminished.
The rollers thus arranged present only the minimum of resistance to the flexion
produced by the pressure exerted on them the act of drawing, this flexion being
auch, in a machine with great distance between the supports or bearings of the
drawing rollers, that the nipping power at the middle of their length is
practically nil.
According to the present invention, the bearings of the drawing rollers are
arranged in such a manner that the flexion of the said rollers is obviated, so that
the breadth of the machine may be increased without inconvenience, and
consequently a larger output can be obtained.
In the accompanying drawings,
Diagram Figure ✗ represents diagrammatically the arrangement of rollers
hitherto employed.
Fig. 1 shows, diagrammatically and theoretically, the proposed new arrangement.
Fig. 2 showe, in longitudinal vertical section, a practical realization of the
invention.
Fig. 3 is a cross section on the line 3-3, Fig. 2.
Fig. 4 represents a slight modification of the arrangement shown at Fig. 2.1
Referring now to Diagram X, and a represent the drawing rollers and yyl the
bearings for these rollers. It will be seen that the forces 1, 1, 13, 1 (which are
uniformly divided on the rollers and ¹) represent the action of the leather apron
between the rollers.
The sum of these forces is evidently equal to the sum of the pressures and
applied to the upper roller a.
Under the influence of these forces, the drawing rollers, tend to curve or
bend, as shown, and the nipping of the fibres, though efficient at the two
extremities of the rollers, fails at the middle of their length. It is this fact which
has hitherto necessitated the rollers being of a limited length.
In carrying out this invention, the journals a a' of the lower drawing roller A,
and the like parts bb' of the upper roller B (Figs. 1 and 2) are prolonged, and the
journals a a¹ enter long sleeves d, d', which serve to support them, in this sense,
that they are carried by the frame C at the points c and c' adjacent to the inner
extremities of the sleeves, and immediately below the points e, e', where the
application of the pressures zz', Fig. 1, on the upper drawing roller B, is made.
The roller B receives, at the points e, e', the pressure of the forces z, 2, through
a system of hooks marked D on Fig. 3, and which are acted upon by coiled
springs E. These forces act, then, on the one hand, on the outer extremity of the
sleeves d, d of the roller A, and, on the other band, on the extremities of the
journals b, b' of the roller B, by means of the T pieces ff', which are fitted with
springs 9, 9', which press on the bearings of the roller B.
In the diagrammatic Figure 1, the springs 9y' alone are represented, and are
assumed to be situated between the journals of both rollers.
The rotation of the rollers A and B is caused by a system of gearing in any
convenient manner.
It will be seen that the springe gg', Fig. 1, act in a manner so as to counteract
the tendency of the rollers to bend, caused by the drag or action of the leather
aprun, as indicated in Diagram X, and that, by a judicious choice of forces and of
dimensions, a uniform nipping action can thus be given at all points in the length
of the nipping surface.
Instead of acting by the antagonistic force produced by the springs g g' on the

page_text: rollers A and B, it is possible to act on the lower roller in the manner indicated'
at Fig. 4.
In this modification, the sleeves d, d' are supported at the points o, o' on the
frame C, which may be either fixed or movable, and, at their outer ends, carry
weights F, F, or, it may be, springs.
In this case, the journals of the roller B are not prolonged, and the pressure is.
obtained by weights G G in the usual way.
It may be here remarked that in some cases only one of the journals of one
roller need receive the pressure above described.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed (as communicated to me
by my foreign correspondent), I declare that what I claim is :-
1. In a combing machine, prolonging the journals of one or both drawing rollers,
and applying antagonistic forces or pressures at the extremities of the journals, the
Baid forces or pressures being in a direction opposed to the flexion produced by the
drag or action of the leather apron placed between the drawing rollers, as and for
the purposes above set forth.
2. The arrangement of drawing rollers for combing machines, as herein shown.
and described, with reference to Figs. 2 and 3 of the drawings.
3. The arrangement of drawing rollers for combing machines, as represented in.
Fig. 4 of the drawings.
D
1007
NEWTON & SON,
Agents for the Applicant..