Improved Machinery or Apparatus for Trimming Furs or Removing the Ends of Hairs therefrom.
Year: 1897

page_text: Date of Application, 26th Jan., 1897
Complete Specification Left, 25th Oct., 1897-Accepted, 27th Nov., 1897
PROVISIONAL SPECIFICATION.
Improved Machinery or Apparatus for Trimming Furs or Removing
the Ends of Hairs therefrom.
I, JAMES YATE JOHNSON of 47 Lincolns Inn Fields in the County of London,
Gentleman, do hereby declare the nature of this Invention (which has been com-
municated to me from abroad by the Firm of Bloch and Hirsch, of 23 Obermain-
strasse, Offenbach-on-Main, in the Empire of Germany; Manufacturers) and in
what manner the same is to be performed, to be particularly described and ascer-
tained in and by the following statement:―
It is important, that the rough, or coarse, ends of the hairs should be removed
prior to submitting the fur to the subsequent stages of treatment. This has
hitherto been a complicated hand operation, or it has required the use of com-
plicated machines.
The object of this Invention is to provide means whereby the operation and
the machines for effecting it are simplified.
It consists in causing the furs to be treated to pass in front of the exhaust or
suction orifice of a fan, the blades of which are formed as, or are provided with,
cutters, adapted to have a shear- or scissor-like action in conjunction with the
edge of the said suction orifice, which edge constitutes or is provided with a
sharp blade or cutter. The hairs are attracted by the suction of the fan and
their ends are cut off to an extent depending upon the distance at which the fur
under treatment is adjusted from the suction orifice.
A machine adapted for use in the performance of this Invention mainly
consists of a fan, adapted to rotate within a casing which is provided with aper-
tures acting respectively as an inlet and an outlet for the air. The blades of the fan
are constructed in the shape of adjustable cutters with slightly helical cutting edges.
Between these blades, and revolving with them, additional blades or wings are
provided which on both sides exceed the length of the knives for a certain
distance. The object of these additional blades or wings is to increase the amount
of air drawn in by suction, so that such air may, with increased power, force
the ends of hairs, cut off by the shears, through the outlet from the fan casing.
The lower part of the air inlet is provided with the counter-cutter, which can
be made adjustable for wear.
As the fur moves past the said air inlet to the fan, the ends of the hairs drawn
thereinto by suction are cut off by the cutters of the fan, acting against or in
conjunction with the cutter on the casing.
The suction orifice may be made adjustable by means of plates so as to suit
the requirements of the particular class of furs under treatment.
The feeding may be operated by rods or rails pivotted at their lower ends to
the frame, and provided at their upper ends with guided rods carrying a guide
rod, around which the fur, the ends of the hairs of which are to be trimmed, is
stretched. A pedal lever is connected by a bell-crank-lever and links with a
stay or tie, connecting the first named rails or rods so that when the pedal is

page_text: depressed the fur is brought to position for being acted upon. A spring moves
the parts so that the fur is retracted when pressure is removed from the pedal.
This, arrangement enables the rod over which the fur passes to be so adjusted
as to correspond to the length of the hairs of the fur, so that only the coarse ends
of the hairs are uniformly cut off, the finer and more valuable portion being left
untouched.
בד
Improved Machinery or Apparatus for Trimming Furs or Removing
the Ends of Hairs therefrom.
I, JAMES YATE JOHNSON of 47 Lincolns Inn Fields in the County of London,
Gentleman, do hereby declare the nature of this Invention (which has been com-
municated to me from Abroad by the Firm of Bloch and Hirsch, of 23 Obermain-
strasse, Offenbach-on-Main, in the Empire of Germany; Manufacturers) and in
what manner the same is to be performed, to be particularly described and ascer-
tained in and by the following statement:-
It is important, that the rough, or coarse, ends of the hairs should be removed
prior to submitting the fur to the subsequent stages of treatment. This has
hitherto been a complicated hand operation, or it has required the use of com-
plicated machines.
The object of this Invention is to provide means whereby the operation and
the machines for effecting it are materially simplified.
It consists in causing the furs to be treated to pass in front of the exhaust, or
suction orifice of a fan, the blades of which are formed as, or are provided with,
cutters, adapted to have a shear- or scissor-like action in conjunction with the
edge of the said suction orifice, which edge constitutes, or is provided with, a
sharp blade, or cutter. The hairs are attracted, by the suction of the fan and
their ends are cut off to an extent depending upon the distance at which the fur
under treatment is adjusted from the suction orifice.
A machine constructed in accordance with this invention is represented in the
accompanying drawings, in which
Figures 1 and 2 are, respectively, a side elevation, and a front view, of the
machine.
Figure 3 is a side elevation (drawn to a larger scale) of the upper part of the
machine.
Figures 4 and 5 are, respectively, a side elevation, and a front view, of the fan,
and cutters of the machine drawn separately, and Figure 6 is a side elevation,
and Figure 7 a front elevation of these parts in place within the casing, with
the lid closed.
The shaft a is rotatable within the casing & which is provided with apertures b
and c acting respectively as an inlet and an outlet for air. The shaft a carries
the blades e of a fan which are constructed in the shape of, or carry, adjustable
cutters with slightly helical, or inclined, cutting edges. Between these blades e,
and revolving with them, additional blades or wings f are provided, which at
each end extend beyond the cutters e. The object of these additional blades or
wings is to increase the amount of air drawn in by suction, so that such air may,
with increased power, force the ends of the hairs, which are cut off through the

page_text: tubular opening c, from the fan casing. The cutters e are provided with slots
through which their securing screws pass so as to allow the cutters e to be
adjusted, as they become blunt, or worn, and require grinding.
The lower part of the air inlet is provided with the counter-cutter
which
can be made adjustable to compensate for wear by the securing screws being
passed through slots as shewn in Figure 7.
As the shaft a is kept in rotary motion, and the fur moves past the said air
inlet b, the ends of the hairs drawn thereinto by suction are cut off by the
cutters e of the fan shaft a, acting against, or in conjunction with, the cutter b¹,
on the casing.
The suction orifice & may be made adjustable by means of the plates h¹, ha and
h3 secured to the lid ; the adjustment being made to suit the requirements of
the particular class of furs under treatment!
The operation and feeding of the machine is as follows:-
Lever-mechanism, adapted for being operated by the foot acting on the pedal m,
is attached to the rods or bars i and which at 2 are pivoted to the frame of
the machine, and are guided by the rods k and whereon the bent rod 7, or
like support, is secured, around which, the fur, the ends of the hairs of which
are to be trimmed, is stretched. The pedal m is pivoted to the rod
1.
11, carried
by the frame, and is connected with the bell-crank lever being connected by the
rod 3 with a tie rod p connecting the rods i so that, when the pedal is depressed,
the fur is brought into position, for being acted upon.
A spring 9 acts so that the fur is retracted when pressure is removed from the
pedal m. This arrangement enables the rod or support to be so adjusted as to
correspond to the length of the hairs of the fur t, so that, only the coarse ends
of the hairs are uniformly cut off, the finer and more valuable portions being left
uninjured.
Having now particularly described and ascertained the nature of this invention
and in what manner the same is to be performed I declare that what I
claim is:-
1. A machine for trimming furs consisting of, or comprising, a spindle provided
with air propelling blades and revolving knives, or cutters, which draw in the
ends of hairs of the fur as it passes the suction orifice, the said knives, or cutters,
in conjunction with the lower edge of the said orifice, cutting the said hairs and
so trimming the fur substantially as hereinbefore described."
2. Feeding mechanism for a machine such as that described consisting of a
pedal, or its equivalent, which, through the agency of levers acted upon by a
spring, or its equivalent, so regulates, or adjusts the support for the fur that the
hair-ends to be removed are uniformly cut to a predetermined length and the
valuable part of the fur is left undamaged substantially as hereinbefore described.
3. The arrangement and combination of parts constituting the machine for
trimming furs substantially as herein before described and illustrated in the
accompanying drawings.
Dated this 25th day of October 1897
JOHNSONS & WILLCOX,
47 Lincoln's Inn Fields, London, W.C., Agents. -