Improvements in Devices for Opening Knives.
Year: 1896

page_text: Date of Application, 30th July. 1896
Complete Specification Left, 5th Apr.. 1897-Accepted, 15th May, 1897
PROVISIONAL SPECIFICATION.
Improvements in Devices for Opening Knives.
I, ANDREW CLARENCE WEEKS, a citizen of the United States, residing at
Alhambra, County of Los Angeles, and State of California, United States of
America, Orange Grower, do hereby declare the nature of this invention to be as
follows:-
This invention relates to devices for opening knives and the object thereof is to
provide an improved device of this class which is simple in construction and
operation and which is adapted to be carried in the pocket or worn on a watch
chain, and with this and other objects in view, the invention consists in the
construction, combination and arrangement of parts hereinafter described.
The invention is fully disclosed in the following specification.
In the practice of my invention, I provide a knife opener which consists of a
plate, which is preferably larger at one end than at the other, and in the larger
end of which is formed a circular opening and the smaller end thereof, is provided
with two longitudinal slots, by means of which two side arms or projections are
formed, and a central spring tongue.
The central spring tongue, is curved outwardly at the base thereof, and then
parallel with the side arms and the end thereof is bent inwardly towards said arms
so as to form a hook.
The plate may be composed of any desired material but is preferably composed
of spring metal, and in operation the ends of the arms inserted at one side of the
blade of the knife, and said arms are pressed inwardly and outwardly, and in this
operation the spring tongue or the hook, at the end thereof passes over the blade
or on the side thereof opposite the arms, and the hook enters the longitudinal slot.
in the outer side of the blade adjacent to the back thefeof, and the blade may be
pulled open by pulling on the end of the plate as will be readily understood.
This device is simple in construction and operation, and is preferably adapted to
accomplish the result for which it is intended, and my invention is not limited to
the exact form thereof herein described, as it is evident that changes in, and
modifications of the construction herein described, may be made without departing
from the spirit of my invention or sacrificing its advantages; and 1 reserve the
right to make all such alterations therein, and modifications thereof as fairly come
within the scope of the invention.
Dated this 30th day of July 1896.
WHEATLEY & MACKENZIE,
40 Chancery Lane, London, W.C., Agents.

page_text: Improvements in Device for Opening Knives.
I, ANDREW CLARENCE WEEKS, residing at Alhambra in the County of
Los Angeles, and State of California, United States of America, Orange Grower,.
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 devices for opening knives; and the object thereof is to
provide an improved device of this class which is simple in construction and
operation and which is adapted to be carried in the pocket or worn on a watch
chain, and with this and other objects in view, the invention consists in the
construction, combination and arrangement of parts hereinafter described and
claimed.
The invention is fully disclosed in the following specification, of which the
accompanying drawing forms a part in which :-
Fig. 1, is a side view of my improved device for opening knives; and,
Fig. 2, a central longitudinal section thereof.
In the practice of my invention, I provide a knife opener which consists of a
plate A, which is preferably larger at one end than at the other, and in the larger
end of which is formed a circular opening a, and the smaller end thereof, is provided
with two longitudinal slots a 2, by means of which two side arms or projections a 3,
are formed, and a central tongue a 4.
The central spring tongue a 4, is curved outwardly at the base thereof, as shown
at a 5, and then parallel with the side arm a 3, and the end thereof is bent inwardly
towards said arms so as to form a hook a 6.
The plate A, may be composed of any desired material but is preferably
composed of spring metal, and in operation the ends of the arms a 3 are inserted at
one side of the blade of the knife, and said arms are pressed inwardly and
outwardly, and in this operation the spring tongue a 4 or the hook a 6, at the end
thereof passes over the blade or on the side thereof opposite the arms a 3, and the
hook a 6, enters the longitudinal slot in the outer side of the blade adjacent to the
back thereof, and the blade may be pulled open by pulling on the end of the plate A,
as will be readily understood.
This device is simple in construction and operation, and is perfectly adapted to
accomplish the result for which it is intended, and my invention is not limited to
the exact form thereof herein described, as it is evident that changes in, and
modifications of the construction herein described may be made without departing
from the spirit of any invention or sacrificing its advantages; and I reserve the
right to make all such alterations therein, and modifications thereof as fairly come
within the scope of the invention.
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. A device for opening knives, which consists of a plate, one end of which is
provided with two spring arms between which is formed a tongue, which is bent
outwardly and parallel with said arm, and the outer end of which is provided with
an inwardly directed hook, substantially as shown and described.
2. A device for opening knives, which consists of a plate, one end of which is
provided with two spring arms between which is formed a tongue, which is bent
outwardly and parallel with said arms, and the outer end of which is provided
with an inwardly directed hook, said device being composed of spring metal and

page_text: the end of the blade being provided with an opening substantially as shown and
described.
3. A device for opening knives, consisting of a plate A, of metal or other
material, which is provided at one end with an opening a, and at the other end
with two projecting side arms between which is a spring tongue, said spring tongue.
being outwardly curved, and bent parallel with the side arms, and the outer end
thereof being provided with an inwardly directed hook, substantially as shown and
described.
Dated this 5th day of April 1897
WHEATLEY & MACKENZIE,
40 Chancery Lane, London, W.C., Agents.
WHEATLEY & MACKENZIE,
40 Chancery Lane, London, W.C., Agents.