Improvements in Tools for Shearing or Clipping Hair or Wool.
Year: 1893

page_text: Date of Application, 18th Aug., 1893
Complete Specification Left, 14th June, 1894-Accepted, 14th July, 1894
PROVISIONAL SPECIFICATION.
Improvements in Tools for Shearing or Clipping Hair or Wool.
We, THE WOLSELEY SHEEP SHEARING MACHINE COMPANY LIMITED,
and HERBERT AUSTIN, both of Sydney Works, Broad Street, in the City of
Birmingham, Engineers, do hereby declare the nature of this invention to be
as follows:-
This invention relates to the construction of tools for cutting or shearing the
hair or wool of horses, sheep, or other animals.
The object of our invention is to construct such shearing tools with a double, or
back and front cutting edge, and also to enable the blade or cutter to be attached
in such a manner that it shall be quite secure, and free from vibration, during
working, and yet at the same time shall readily travel across the teeth of the comb
with the motion of the working lever or handle.
In carrying our invention into effect we employ a back plate or comb of steel or
other metal as with the tools at present in ordinary and general use, but we form
teeth upon each side or back and front of the plate or comb, instead of on the
front side only. We rigidly secure the comb to the fixed or main handle of the
shearing tool, the portion of the handle stem adjacent to the comb being splayed
out or forged into a foot to form a suitable bedding surface. Within the comb and
the attached foot we fix two screws or studs having free screwed ends projecting
above the foot. Upon one of these free ends we mount or pivot the working handle
or lever, and upon the other a binding clamp. On the working handle or lever we
provide two conical lugs or projections, the one a little distance in front and the
other a little distance at the rear of the pivot or fulcrum; we also provide two
similar conical lugs or projections at each end of the binding clamp. These
conical lugs or projections fit into suitably formed conical holes or recesses in the
shears blades or cutters, the one cutter being in front and the other at the rear of
the fulcra or pivots of the working handle and the binding clamp. The working
liandle and binding clamp are kept in position and the necessary pressure is put
upon the blades by means of a binding plate and finger nuts on the outer ends of
the studs or screws.
On the operation or movement of the working handle in the usual and ordinary
manner, both shears, blades or cutters are caused to reciprocate, and thus the teeth
formed on their cutting edges, pass over the teeth of the comb, shearing or cutting
any bair or wool that may be between them. Any wear that takes place between
the blades and the comb is readily taken up by tightening the clamping nuts, and
thus forcing the conical lugs or projections herein before described a little harder
into the conical holes or recesses formed in the blades.
In shearing or clipping a horse or other animal with our double edged shearing
or clipping tool, we employ but one cutting edge at the time, but the advantage
obtained by the double edge is the readiness with which we can cut the hair or
wool in either direction, either from or towards the operator, without changing or
reversing the tool.
We do not limit the application of our double comb and shears to the method of
construction herein before described, but employ a double comb and double shears
in conjunction with any system of attachment other than the system herein before
described. We also employ our improved system of attachment and adjustment
for wear of the blade, shear, or cutter to a single edged comb using a suitable"

page_text: sliding plate or other method of taking the pressure of the rear conical lugs or to
other forms other than our double edged comb as herein before described.
Dated this 17th day of August 1893.
°
MARKS & CLERK,
13, Temple Street, Birmingham, Agents for the Applicants.
COMPLETE SPECIFICATION.
Improvements in Tools for Shearing or Clipping Hair or Wool.
We, THE WOLSELEY SHEEP SHEARING MACHINE COMPANY LIMITED,
and HERBERT AUSTIN, both of Sydney Works, Broad Street, in the City of
Birmingham, Engineers, 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 the construction of tools for cutting or shearing the
hair or wool of horses, sheep, or other animals.
The object of our invention is to construct such shearing tools with a double, or
back and front cutting edge, and also to enable the blade or cutter to be attached
in such a manner that it shall be quite secure, and free from vibration, during
working, and yet at the same time shall readily travel across the teeth of the comb
with the motion of the working lever or handle.
In the accompanying sheet of explanatory drawings-
Figure 1 is a general plan of our improved clipper, and Figure
elevation of the same.
is a side
Figure 3 is a part plan of the bottom cutter with the top plate and other parts
removed, and Figure 4 is a sectional elevation of the same on the line x y.
Figure 5 is a plan with the binding nuts and plates connected with the same
removed.
Figures 6 and 7 are detail illustrations of the locking spring for the nuts, and
Figures 8 and 9 are reverse plan and elevation respectively of a binding nut.
In carrying our invention into effect we employ a back plate or comb A of steel
or other metal as with the tools at present in ordinary and general use, but we form
teeth upon each side or back and front a, a', of the plate or comb A, instead of on
the front side only. We rigidly secure the comb to the fixed or main handle B of.
the shearing tool, the portion of the handle stem adjacent to the comb being
splayed out or forged into a foot b to form a suitable bedding surface. Within the
comb and the attached foot we fix two screws or studs C, C₁, having free screwed
ends projecting above the foot. Upon one of these free ends C, we mount or pivot the
working handle or lever D, and upon the other a binding or connecting clamp E.
On the working handle or lever D we provide two conical lugs or projections d d¹,
the one a little distance in front and the other a little distance at the rear of the
pivot or fulcrum C: we also provide two similar conical lugs or projections at each
end of the binding clamp or connecting bar E. These conical lugs or projections
fit into suitably formed conical holes or recesses in the shears blades or cutters,
the one cutter G being in front and the other H at the rear of the fulcra or
pivots C C' of the working handle and the binding clamp. The working handle
and binding clamp are kept in position and the necessary pressure is put upon the
blades by means of a binding plate F and finger nuts JJ on the outer ends of
the studs or screws, and to prevent the nuts from working loose we form them
with ratchet like under surfaces ; into which spring catches K or lock plates
may engage, or we may form the catch plate as a binding plate with spring
tooth like projections to engage with the teeth upon the nuts as shown in.
Figures 6, 7, 8 and 9.
F
On the operation or movement of the working handle in the usual and ordinary

page_text: manner, both shears, blades or cutters G H are caused to reciprocate, and thus
the teeth formed on their cutting edges, pass over the teeth of the comb A, thereby
shearing or cutting any hair or wool that may be between them. Any wear that
takes place between the blades and the comb is readily taken up by tightening the
clamping nuts, and thus forcing the conical lugs or projections hereinbefore
described a little harder into the conical holes or recesses formed in the blades.
In shearing or clipping a horse or other animal with our double edged shearing
or clipping tool, we employ but one cutting edge at the time, but the advantage
obtained by the double edge is the readiness with which we can cut the hair or
wool in either direction, either from or towards the operator, without changing or
reversing the tool.
We do not limit the application of our double comb and shears to the method of
construction herein before described, but employ a double comb and double shears
in conjunction with any system of attachment other than the system hereinbefore
described. We also employ our improved system of attachment and adjustment
for wear of the blade, shear, or cutter to a single edged comb using a suitable
sliding plate or other method of taking the pressure of the rear conical lugs, or to
other forms other than our double edged comb as hereinbefore described.
Having now particularly described and ascertained the nature of our said inven-
tion, and in what manner the same is to be performed, we declare that what we
claim is :-
:-
1. The construction of shearing and clipping tools in which duplex cutters are
mounted upon the one apparatus or appliance, substantially as and for the
purposes herein before described and as illustrated in the accompanying drawings.
2. In a shearing tool or clipper the arrangement of adjusting nuts and binding
plates for pressing down the cutters upon the bottom comb plate for taking up the
wear of the cutting surfaces, substantially as hereinbefore described and as
illustrated in the accompanying drawings.
3. The combination of a pair of cutting plates for working upon a single comb
or bottom plate with a connecting rocking or binding plate such as E for
communicating the motion from one plate to the other, and having a handle or
lever D provided with double driving pins or lugs as d, d', for manipulating the
same, substantially as hereinbefore described and as illustrated in the accompanying
drawings.
Dated this 14th day of June 1894
MARKS & CLERK,
18, Southampton Buildings, London, W.C., and
13, Temple Street, Birmingham, Agents for the Applicants.