Improvements in Valves for Pneumatic Tyres.
Year: 1898

page_text: PROVISIONAL SPECIFICATION.
Improvements in Valves for Pneumatic Tyres.
I, ERNEST WILLIAM JONES, 4, Palmers Villas, Gordon Road, Enfield, Middlesex,
Mechanical Engineer, do hereby declare the nature of this invention to be as
follows:-
-
This invention relates to improvements in valves for pneumatic tyres, the object
being to render the valve more efficient and also to prevent the objectionable
features which arise where an india rubber sleeve is employed, namely, the
sticking & perishing of the rubber in the tube.
In carrying out my invention I provide what I term an air sleeve which slides
upon the tube from which the air is delivered from the pump. This air sleeve is
provided with a valve of suitable material which closes the end of the tube through
which the air is delivered to the tyre. This tube is provided with suitable channels
through which the air passes to a chamber communicating with the tyre. The sliding
sleeve is controlled by a suitable spring so as to retain the seating against the end
of the tube and so maintain a tight joint and prevent the escape of air from
the tyre.
Dated this 11th dow of War 1000
E. EATON,
Agent for Applicant.
Improvements in Valves for Pneumatic Tyres.
I, ERNEST WILLIAM JONES, 9, Hamlet Road, Chelmsford, Essex, Mechanical
Engineer, late of 4, Palmers Villas, Gordon Road, Enfield, Middlesex, do hereby
declare the nature of this invention and in what manner the same is to be per-
formed, to be particularly described and ascertained in and by the following
statement:-
This invention relates to improvements in valves for pneumatic tyres, the object
being to render the valve more efficient, and also to prevent the objectionable
features which arise where an india rubber sleeve is employed, namely, the
sticking, and perishing of the rubber in the tube.
In carrying out my invention I provide what I term an air sleeve which slides
upon the tube from which the air is delivered from the pump. This air sleeve is
provided with a valve of suitable material which closes the end of the tube through
which the air is delivered to the tyre. This tube is provided with suitable channels
through which the air passes to a chamber communicating with the tyre. The sliding
sleeve is controlled by a suitable spring so as to retain the seating against the end
[Price 8d1

page_text: of the tube, and so maintain a tight joint, and prevent the escape of air from
the tyre.
For the purpose of illustration I will now refer to the annexed drawings, in
which
Figure 1 is a sectional elevation shewing my invention.
b is what I term an air sleeve, which slides upon the tube a, through which the
air passes from the pump. e is a valve or seating which is carried in the air
sleeve b for the purpose of ensuring a close contact on the end of the tube a.
jis a spring for maintaining the sleeve b in its closing position, this spring being
of such a strength as to be overcome by the pressure of air when pumping, and
after pumping has taken place, maintains the seating or valve e against the end
of the tube a. i are channels or apertures through which the air, which is forced
through the tube a, (by means of any suitable form of pump) passes to the interior
of the air tube or interior of the pneumatic tyre through the passage d. h is a
cap for closing when desired the end of the tube through which the air is pumped,
g being the usual chain for attachment.
my
Having now particularly described and ascertained the nature of said
invention, and in what manner the same is to be performed, I declare that what
I claim is:
1. In valves for pneumatic tyres the combined construction and arrangement of
the various parts substantially as described, and illustrated herein.
2. In valves for pneumatic tyres a sliding tube or sleeve carrying at its closed
end, a seating of suitable material which engages and closes the end of the inlet
tube upon which the said sliding sleeve slides; a spring for the purpose of
maintaining the sleeve in its closing position upon the inner tube substantially
as described, and illustrated herein, and for the purposes set forth.
.
Dated this 10th day of February 1899.