IMPROVEMENTS IN SHEARS FOR CUTTING PAPER OR OTHER MATERIAL
Year: 1882

page_text: 8
LETTERS PATENT to Henry Harris Lake, of the firm of Haseltine, Lake
& Co., Patent Agents, Southampton Buildings London for an Invention of
'IMPROVEMENTS IN SHEARS FOR CUTTING PAPER OR OTHER MATERIAL"
Communicated to him from abroad by Gilbert S. Van Pelt, of the City and
State of New York, United States of America.
PROVISIONAL SPECIFICATION left by the said Henry Harris Lake at the
Office of the Commissioners of Patents on the 27th November 1882.
'
HENRY HARRIS LAKE, of the firm of Haseltine Lake, & Co., Patent Agents,
Southampton Buildings London "IMPROVEMENTS IN SHEARS FOR CUTTING
PAPER OR OTHER MATERIAL," [A communication to him from abroad by Gilbert
S. Van Pelt, of the City and State of New York, United States of America,]
The said invention relates to shears or instruments for cutting the two sides of a
right angle simultaneously, as for instance in severing a coupon from the bond
with which it is printed. In carrying the said invention into practice, the blades
of an ordinary pair of shears, for instance, are. turned at right angles at a suitable
point, and the blade of one or both of them thus turned is extended to an angular
point at the intersection of the blades so that as the shears are operated, while the ;
normal blades are performing their functions in the ordinary way, the rectangular
blades will be simultaneously employed in cutting the other side in a similar
manner from the angle.
.
The supplemental angular blade may be worked on a pivot of its own by the
upper blade of the shears, but it is preferred to have it secured to the upper blade
by means of screws by which it may be detached for the purpose of adjustment
and sharpening.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said Henry Harris Lake in the Great Seal Patent Office on the 25th May
1883.
HENRY HARRIS LAKE, of the firm of Haseltine, Lake, and Co. Patent Agents,
Southampton Buildings, London, "IMPROVEMENTS IN SHEARS FOR CUTTING PAPER
OR OTHER MATERIAL A communication to me from abroad by Gilbert S Van
Pelt, of the City and State of New York, United States of America,
This invention relates to improvements in sbears for cutting paper or other
material
The said invention consists essentially in providing an instrument for cutting the
two sides of a right angle simultaneously as in severing a coupon from the bond with
which it is printed. The blades of an ordinary pair of shears, for instance, are
turned at right angles at a suitable point; the blade of one or both of them thus
turned is extended to an angular point at the intersection of the blades so that, as
the shears are operated, while the ordinary blades are performing their functions in
the usual manner by cutting one side of the angle, the rectangular blades will be
simultaneously employed in cutting the other side in a similar manner.
"
The supplemental angular blade may be worked on a pivot of its own by the
upper blade of the shears, but it is preferable to have it secured to the upper blade
by means of screws whereby it may be detached for the purpose of adjustment and
sharpening
:
The accompanying drawing illustrates a pair of shears constructed according
to the said invention and opened so that its parts and peculiar construction may
be more fully understood
The upper blade α has secured to it at a right angle the angular blade b, so
that as those blades close upon the lower blades c and d the two sides of the
intervening coupon are together cut simultaneously from the sheets to their point
of intersection. The lower blades, if made integral, may be sharpened readily on
the exterior surfaces of the angle, but by making the upper blade b separate from
the blade a they may be disconnected and sharpened separately without the
difficulty that would be inherent to sharpening them together on the interior of
the angle. Both the end blades are represented in the drawing as secured to the
main blades by screws tapped into their ends.
Having thus fully described the said invention as communicated to me by my
foreign Correspondent and the manner of performing the same I wish it understood
that I claim:-
The combination, with the cutting blades a and c, of the blades b and d placed at
right angles thereto and with relatively angular cutting edges to cut with a
shearing motion, substantially as described
In witness whereof I the said Henry Harris Lake, have hereunto set my
hand and seal this Twenty fifth day of May in the year of our Lord One
thousand eight hundred and eighty three