An Improved Implement for Use in Separating Cheques, Tickets, Stock Certificates, and such like from their Counterfoils.
Year: 1889

page_text: COMPLETE SPECIFICATION.
An Improved Implement for Use in Separating Cheques, Tickets,
Stock Certificates, and such like from their Counterfoils.
I ALFRED HENRY CRIDGE of 166 Lexington Avenue, New York, in the County
and State of New York, United States of America Gentleman 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 :-
It
It frequently happens that the validity of cheques, tickets; certificates and other
papers that are torn from counterfoils is called into question, and at times it is
extremely difficult to distinguish between the genuine and forged documents.
is to facilitate the detection of forgeries, that I have designed the implement forming
the subject matter of this application; the implement consisting essentially of a
detacher or tearer having an irregular serrated edge; and it will be found in practice
that the line of tear in each case will vary with each particular use, consequently
that the ticket or other paper separated can be fitted only to its particular counterfoil.
Reference is to be had to the accompanying drawings, forming a part of this
Specification in which figure 1 is a plan view of my improved detacher; figure 2 is a
side view of the same; and figure 3 is a cross sectional view taken on line x-x of
figure 2. Similar figures and letters of reference indicate corresponding parts in all
the views.
The implement consists of a plate 10, preferably of metal, having upon its edge
teeth a a said teeth varying in size and being of irregular contour, thus producing
an irregular serrated edge. The plate 10 is concavo-convex, the concave side being
the under side of the plate. To the upper side of the plate I secure a knob or
handle 11.
In use the implement is applied so that one of its edges will rest upon the space
dividing the cheque or other paper from its counterfoil, and then the paper is torn
from the counterfoil in the usual way, the line of tear corresponding approximately
with that of the edge against which the cheque is torn. As the slightest variation
in the position of the tearing implement would vary the form of the tear, it is
almost impossible to fit or match any but the legitimate cheque or other paper with
the counterfoil.
As the underside of the plate 10 is concave, the edge of the plate will lie close
to the surface of the paper when the plate is placed in the tearing position.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed, I declare that what I
claim is
1. A detacher or tearing implement having an irregularly serrated edge.
2. A detacher or tearing implement having a surrounding serrated edge, the teeth
or projections forming said edge varying in form.
3. A detacher or tearing implement having a concave under surface and a serrated
edge.
4. A detacher or tearing implement having a concave under surface and an
irregular serrated edge.
Dated this 2nd day of July 1889