Improvements in Devices for Cutting Metal or other Hard Substances.
Year: 1892

page_text: Date of Application, 10th Feb., 1892
Complete Specification Left, 8th Nov., 1892-Accepted, 21st Jan., 1893
PROVISIONAL SPECIFICATION.
Improvements in Devices for Cutting Metal or other Hard
Substances.
I, ALEXANDER STEPHEN of 50 Arnis Road South Hackney London, E.
Commercial Clerk, do hereby declare the nature of this invention to be as
follows:-
This invention relates to shears for cutting bolts, bars, sheets or wire of iron
or other metal on any hard substance, and has for its object to provide shears which
are of simple construction, more efficient and more easily repaired when damaged
than is the case in ordinary metal shears. On to the jaw carrying the upper blade,
and continuous with the lower handle, is pivotted, at a few inches from the blade
the second or upper handle. The jaw to which the lower blade is fixed, is pivotted
to the upper at a point much closer to the end, and extends in an upward direction
over the pivot or bolt of the upper handle. This jaw is connected with the upper
handle by a link at a short distance from its pivotted end so that when the handle
is raised and lowered, the link will cause the jaw to move, and open and close the
blades. The blades are small wedge shaped pieces of steel, rivetted or otherwise
fixed to the jaws, so that they can be readily replaced when desired. The shears
can be used for larger or smaller sizes of metal by taking out one of the bolts and
shifting it into a second hole, giving a different leverage. When these shears are
used for cutting sheet iron, the upper blade is stationary, the upper handle and
lower blade only being actuated, so that the upper blade will lie flush with the top
of the sheet, and move in the same plane, the shears being then less liable to push
the sheet forward without cutting.
According to a modification, applicable to bolts and square bars such as those
used for horse-shoes, I use only one handle, pivotted to the jaw carrying the lower
blade. This jaw is stationary and fixed by bolts in any convenient position, the
upper jaw being pivotted to it at the end, and the blades situated at the middle of
the two jaws, the upper jaw is actuated through a link, by the handle in the same
manner as in the shears above described.
In order to prevent the metal slipping, one of the blades may be notched. This
invention may be applied to cutting horses hoofs, the same construction being used,
but instead of employing blades, I make the ends in the form of pincers.
Date 1041
1000
GEO. H. RAYNER,
37, Chancery Lane, London, W.C., Agent for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Devices for Outting Metal or other Hard
Substances.
I, ALEXANDER STEPHEN of 50 Arnis Road, South Hackney, London, E.,
Commercial Clerk, 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 a device for cutting, punching or stamping iron or other
metal or any hard substances, and has for its object to provide such a device which
will be of simple construction, more efficient and more easily repaired when damaged
than is the case in ordinary metal shears,

page_text: On to the jaw carrying the upper blade or its equivalent, and continuous with the
lower handle, is pivotted at a few inches from the blade, the second or upper
handle. The jaw to which the lower blade is fixed, is pivotted to the upper, at a
point much closer to the end, and extends in an upward direction over the pivot or
bolt of the upper handle. This jaw is connected with the upper handle by a link,
at a short distance from its pivotted end, so that when the handle is raised and
lowered the link will cause the jaw to move, and open and close the blades. The
blades may be small wedge shaped pieces of steel, rivetted or otherwise fixed to the
jaws, so that they can be readily replaced when desired, or may be formed in one
with the jaws. The device can be used for larger or smaller sizes of metal by
taking out one of the bolts and shifting it into a second hole, giving a different
leverage. When these shears are used for cutting sheet iron, the upper blade is
stationary, the upper handle and lower blade only being actuated, so that the upper
blade will lie flush with the top of the sheet, and move in the saine plane, the shears
being then less liable to push the sheet forward without cutting.
According to a modification, applicable to bolts and square bars, such as those
used for horse-shoes, I use only one handle, pivotted to the jaw carrying the lower
blade. This jaw is stationary and fixed by bolts in any convenient position, the
upper jaw being pivotted to it at the end, and the blades situated at the middle of
the two jaws; the upper jaw is actuated through a link, by the handle in the same
manner as in the shears above described.
In order to prevent the metal slipping, one of the blades may be notched. This
invention may be applied to cutting horse's hoofs, the same construction being used,
but instead of employing blades of the form described, I make the ends in the form
of pincers. In place of the blade used for cutting, there may be attached to the
jaws a stamping or punching device, the same arrangement for applying the force
being employed.
In order that the invention may be more clearly understood, reference is had to
the accompanying sheet of illustrative drawings, in which Figs. 1 and 2 are
elevations of a cutting device, shown in its closed and open positions, and Figs. 3
to 7 are elevations of various modifications.
A is the lower arm or handle, having the jaw or extension B formed in one with
it or rigidly attached. To this handle is attached the upper handle C by means of
the pivot a, situated a little above the jaw B, which carries the second jaw D
pivotted at b, and attached at its upper end to the handle by means of the link or
links E, two being preferably employed, one at each side of the jaw and arm. The
handle C is furnished with holes e by means of which the link is attached, which is
also provided with a suitable number of holes e, in order that it can be adjusted
when required, altering the leverage obtained. The blades or their equivalent F
are fixed to the jaws B and D in a detachable manner, or are formed in one with
them as shown in Figs. 3, 4 and 5.
Fig. 3 shows the form preferred for cutting horses' hoofs, the lower jaw having
the cutting part somewhat of the form of pincers. Fig. 4 is a construction
especially adapted for cutting wire, the parts being practically the same as those
shown in Figs. 1 and 2. The shears shown in Fig. 5 are especially adapted for
cutting sheet metal, the lower handle and upper blade being stationary; a spring G
is provided which raises the upper handle immediately it is released after each cut.
Referring to the modification shown in Fig. 6 there is a fixed part B' corre-
sponding to the stationary jaw B, the upper jaw D' being pivotted to it at one end.
Bis fixed by means of bolts and brackets to any suitable stand. The handle C is
pivotted to the other end of the part B₁, the links E being attached in the manner
described. The blades F are fixed at the inner side of the pivot b between it and
the links.
Fig. 7 shows a similar arrangement of levers and links to those shown in Figs. 1
to 5, but with a punching or stamping device F in place of the blades shown in the
other fo

page_text: 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 an apparatus of the kind described, the combination of an arm with fixed
jaw, having a second jaw and arm pivotted to it, the end of the pivotted jaw being
connected to the movable arm by a link or links, substantially as described and for
the purposes specified.
(2) In an apparatus of the kind described, the combination of an arm A having
jaw or extension B, with a second arm C pivotted to the arm A, and a jaw D
pivotted to the extension B, connected together by link or links E, arm C and
links E being furnished with holes c and e, and jaws B and D with blades or their
equivalent F, substantially as described and shown and for the purposes specified.
(3) The device for cutting hoofs and the like substantially as described and
shown in Fig. 3 of the drawings annexed.
(4) The combination in an apparatus of the kind described of a fixed jaw B¹
having the handle C and jaw Dr pivotted at its ends, and connected together by
the links E, the jaws being furnished with blades or their equivalent, substantially
as described and shown in Fig. 6 of the drawings.
Dated this 7th day of November 1892.
GEO. H. RAYNER,
37, Chancery Lane, London, W.C., Agent for the Applicant.