An Improved Rim and Tyre. for the Wheels of Velocipedes and. other Vehicles.
Year: 1891

page_text: Date of Application, 2nd Dec., 1891
Complete Specification Left, 2nd Sept., 1892-Accepted. 8th Oct.. 1892
PROVISIONAL SPECIFICATION..
An Improved Rim and Tyre. for the Wheels of Velocipedes and.
other Vehicles.
I GEORGE SMITH of 36 Gresham Road Brixton London S.W. Gentleman do
hereby declare the nature of my said invention to be as follows:-
The object of my invention is to construct a rim and tyre for the wheels of
velocipedes and other vehicles in an improved manner.
་
I form the rim of metal, and of a deep U shape in section. Inside the rim I fit
an elastic band of an inverted U section formed of rubber, leather or other suitable
material, in such a manner as to enclose a space for the reception of comprised air
or gas. Over this elastic band I place a flat steel band, of a width approximating
to the width between the walls of the U rim. In the case of velocipedes and other
light vehicles a solid or cushion' rubber tyre is placed over this steel band, partly
between the walls of the rim. An air inlet or valve is fitted to the rim, through
which air is pumped into the space between the rim and the elastic band the
pressure of the air causing the walls or edges of the clastic band to press against
the inner surface of the walls of the U rim and thus secure an air-tight joint.
In some cases I fit an air tube inside the rim for the reception of the air.
To prevent the rubber tyre becoming damaged by the edges of the rim, I curve
or otherwise form the edges of the U rim to accommodate the distorted shape of
the rubber tyre when under pressure.
Dated 2nd December 1891.
GEO.
DOWNING,
8, Quality Court, London, W.C., Agent.
COMPLETE SPECIFICATION.
An Improved Rim and Tyre for the Wheels of Velocipedes and
other Vehicles.
I, GEORGE SMITH, of 36 Gresham Road, Brixton, London, S.W., Gentleman,
do hereby declare the nature of my said invention and in what manner the
same is to be performed, to be particularly described and ascertained in and by
the following statement :-
The object of my invention is to construct a rim and tyre for the wheels of
velocipedes and other vehicles in an improved manner.
And in order that my said invention may be particularly described and ascer-
tained reference is hereby made to the accompanying drawing, which illustrates
one form of my invention.
I form the rim a of metal (preferably) and of the section shown. Inside the rim
I place an inflatible tube b of rubber or other suitable material, and, in some cases,
combined with canvas. Over this tube I place a flat steel band c to which the
tube & may in some cases be secured of a suitable width that while being able to
slide between the walls of the rim, yet is also capable of retaining the tube 6 in the
rim a.
A rubber, leather, metal, wood, or other suitable tyre is fitted over the
band c partly between the walls of the rim, a 'cushion' rubber tyre d being shown
in the drawing, the tyre being, in some cases, secured to the band c. A suitable
air inlet or valve is fitted to the tube through which air may be pumped into the
tube without fear of bursting, the band c receiving part of the pressure.
My improved rim and tyre is suitable for cabs, carriages and other light vehicles
as well as velocipedes, the tyre d being varied to suit the vehicle to which my
invention is applied.

page_text: In some cases I employ an elastic band instead of the tube b of an inverted
U section in such a manner as to enclose a space for the reception of the air, the
pressure of the air causing the walls or edges of the elastic band to press against
the inner surface of the walls of the Urim and thus secure an air-tight joint."
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. In a rim and tyre of the descriptions aforesaid, the application of a flat metal
band (preferably steel) surrounding the inflatible tube & substantially as herein
before described and shown by the drawing..
2. The improved rim and tyre for the wheels of velocipedes, and other vehicles,
substantially as herein before described and illustrated by the drawing.
Dated 1st September 1892.
GEO.
DOWNING,
8, Quality Court, London, W.C., Agent.