Year: 1887

page_text: Date of Application, 24th Feb., 1887
Complete Left, 24th Nov., 1887
Complete Accepted, 13th Jan., 1888
I, ROBERT DAWSON KAY of 275 Catherine Terrace, Latchford near Warrington,
in the County of Lancaster, Manager, do hereby declare the nature of this invention
to be as follows:-
This invention relates to improvements in valves used for inflating life-belts, air-
cushions, boxing-gloves or other articles, and has for its object to produce a valvo
which opens & becomes automatic in its action, on the user depressing with his mouth,
lips, or teeth, the front portion thereof, thus permitting the air to enter the article to
be inflated and on being released will instantly close & prevent the return of the air.
The improvements consist in forming a valve composed of two jaws hinged together
in or about the middle, the first portion thereof remaining open, when the valve is
not operated upon, while the back portion receives and closes, by the action of a
spring suitably employed, and on the front portion of the valve being pressed together
by the action of the mouth, will allow the orifice of a tube leading to the article
to opon.
The front portion of the jaws of the valve, is so formed that on depressing the
same by the action of the mouth when inflating, or by the fingers when emptying the
article of air, the air can freely enter & pass through the back portion of the same
or vice versa.
This valve may be partly or wholly covered with india-rubber in the form of a loose
cap or may be attached to the tube leading to the article to be inflated and the orifice
of such tube provided with a small spring, to ensure a more, reliable opening of the
same if found necessary.

page_text: COMPLETE SPECIFICATION.
Improvements in Valves for Inflating Life-belts or other Articles.
I, ROBERT DAWSON KAY of 275 Catherine Terrace, Latchford near Warrington,
in the County of Lancashire, do hereby declare the nature of this invention, and in
what manner the same is to be performed to be particularly described and ascer-
tained in and by the following statement :-
This invention relates to improvements in valves used for inflating life-belts, air
cushions, boxing gloves or other such like articles, and has for its object to produce a
valve which opens and becomes automatic in its action, on the user depressing with
his mouth, lips, or teeth, the front portion thereof, thus permitting the air to enter the
article to be inflated, and on being released will instantly close, and prevent the return
of the air.
And in order that my invention may be better understood I have caused to be
appended hereunto one sheet of drawings marked with letters of reference indicating
like parts in the various figures.
Figs. 1 & 4 are side elevations, Figs. 2 & 5 longitudinal sections, and Figs. 3 & 6,
end elevations of my improved valve. Figs. 1. 2. & 3 show the valve closed, and
Figs. 4. 5 & 6. when open.
A is the valve, B the pipe attached to and leading to the article to be inflated and
Ca cap surrounding the same.
In carrying out my improvements and referring to the figures generally, which
illustrate one way of attaining the object of my invention, I form or compose the 2
valve A with two jaws a, a, hinged together in or about the middle by means of a
pin b, the front portion thereof remaining open, when the valve is not operated upon,
while the back portion receives and closes, automatically, the orifice of the tube B.
by the action of a spring c suitably employed, for instance around the pin bas shown
in the drawing, or otherwise, and on the front portion of the valve being pressed 2
together by the action of the mouth, will allow the orifice of the tube B leading to
the article to be inflated, to open.
The front portion of these jaws of the valve, is so formed that on depressing the
same by the action of the mouth when inflating, or by the fingers, when emptying
the article of air, the air can freely enter or pass through the back portion of the 3
same or vice versa.
This valve may be partly or wholly covered with india-rubber, in the form of a
loose cap C or the latter may be attached to the tube B, leading to the article to be
inflated, and the orifice of such tube B provided with a small spring, to ensure a more
reliable opening of the same if found necessary.
In order to ensure the valve A remaining always in its proper position, the ends of
the pin bare bent over the sides of the said cap C, and to afford a good grip, the
front of the jaws of the valve are formed with lips a².
3

page_text: Having now particularly described and ascertained the nature of this invention,
I wish it to be understood that I do not confine myself to the details of the construction
of the valve illustrated by annexed drawing as the same may be varied without
departing from the nature of my invention, but what I do claim, is ;-
In articles to be inflated with air :-The use and application of a valve, which
automatically closes the orifice or tube leading from the article to be inflated, and
opens the same when depressed or gripped by the mouth, lips, or teeth, of the user,
substantially as set forth.