Improvements in Pneumatic Tyres and Rims for Cycle and other Wheels.
Year: 1896

page_text: Date of Application, 23rd Apr., 1898
Complete Specification Left, 21st Sept., 1896-Accepted, 6th Feb., 1897
Improvements in Pneumatic Tyres and Rims for Cycle and other
Wheels.
HENRY O'CONNOR BRIDGEWATER 35 Lansdowne Road Aylestone Park
Leicester Glove Manufacturer do hereby declare the nature of this invention
to be as follows:-
This invention has reference to improvements in or relating to rims, und
pneumatic tyres and the like for wheels for velosopedes and other vehicles,.the
main object being to obriate the difficulties caused by punctures, and to prevent
skidding or slipping.
To carry my invention into effect I make tyres in sections of a special shape,
either filled with air under compression or without compression, each section being
nearly egg shape with flatted sides or other convenient shape.
When fixed in the special rim the outer surface of the sections, will with one
shape Fection look like an ordinary pneumatic tyre, with another shape section
the outer surface would have the appearance of a series of balls placed close
together round the rim, and these may he again varied by being placed alternately
to each side.
I do not tie myself to any exact shape but will use that which will best carry
out the object of the invention.
The rim being made larger in the inside and the edges being brought closer
together grips the section of tyre as soon as it is pressed into its place.
Should one or more sections be punctured while riding it will be easy to
replace them with others; or the journey can be continued without difficulty and
the punctured sections replaced after.
Dated this 22nd day of April 1898.
HENRY O'CONNOR BRIDGEWATER,
35 Lansdowne Road, Aylestone Park, Leicester.
Improvements in Pneumatic Tyres and Rims for Oyole and other
Wheels.
I, HENRY O'CONNOR BRIDGEWATER of 35, Lansdowne Road, Ayleston Park,
Leicester, in the County of Loicester, Glove Manufacturer, do hereby declare
the nature of this invention and in what mauner the same is to be performed
to be particularly described and ascertained in and by the following statement:-
This invention relates to an improved construction of pneumatic tyre and wheel
rim therefor, applicable for the wheels of velocipedes and other vehicles, and it
consists in constructing the tyre of a series of independent chambers adapted either

page_text: to contain air at the ordinary atmosphoric pressure or to be filled with air under
pressure, the said chambers being shaped to adapt them to fit in the wheel rim and
on abutting up against each other to form a continuous tyre with an even or
serrated periphery, the object being to obviate the difficulties caused by punctures
and to prevent side slipping or skidding.
In the accompanying drawing which illustrates by way of example summe
methods of carrying this invention into practical effect;
Figures 1, 2, 3 and 4 are views in cross section of tyres and wheel rims
embodying this invention.
Figure 5 is a view in side elevation of the tyre shown by Figure 1, one of the
chambers and the wheel rim being in section, and
Figure 6 is a similar view showing a modified form of chamber.
Throughout the views similar parts are marked with like letters of reference.
The chambers A are formned of rubber or other suitable material the walls
thereof being preferably lined or reinforced with canvas or other fabric.
The chambers A are shaped so that when placed in the wheel rim they either
form an even or continuous tread as shown by Figure 5, or a serrated or inter-
mittent tread as shown by Figure 6, and as a further modification they may be
shaped to incline to one side so that they can be placed in the wheel rim inclining
alternately to one side aud the other.
The wheel rim B has its edges b inturned so that it is of dovetail form; and it is
immaterial what the geueral section of the rim is so long as it has this feature.
The chambers A are squeezed or pressed into the wheel rim B and are grouped
together in close proximity to each other as shown.
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
olaim is
(1.) The improved pneumatic tyre and wheel rim, substantially as hereinbefore
described.
(2.) A pneumatic tyre consisting of a series of independent chambers shaped to
adapt them to fit in a wheel rim of a dovetail shape in cross section, and on
abutting against each other to form a continuous tyre having either au even or a
serrated tread, as and for the purpose set forth.
1000
ROBERT E. PHILLIPS, Assoc. M. Inst. C.E., M.I. Mech. E.,
Consulting Engineer and Patent Agent,
70, Chaucery Lane, London, W.C., Agent for the Applicant.