Improvements in Non-elastic Tyres for the Wheels of Self-moving Vehicles.
Year: 1896

page_text: Date of Application, 28th Sept., 1896
Complete Specification Last DOLL
1000
Date of Application, 28th Sept., 1896
Complete Specification Left, 29th June, 1897 -Accepted, S1st July, 1897
PROVISIONAL SPECIFICATION.
Improvements in Non-elastic Tyres for the Wheels of Self-moving
Vehicles.
I THOMAS COOPER of The Elms, King's Lynn, in the County of Norfolk, Engineer,
do hereby declare the nature of this invention to be as follows:-
The present invention has for its object to provide a durable and non-slipping
running surface, or tread, for the wheels of traction engines, motor cars, and such
like. vehicles, which will be suitable for all kinds of roads, both in town and
country.
At present it is usual to furnish the tread of the wheels of traction engines with
diagonal cross pieces placed at short intervals, so as to get a strong grip of the
ground when the engine is travelling. This arrangement answers fairly well on
country roads, but it is apt to destroy the surface of the latter in wet weather. 16
is not, however, satisfactory on hard and slippery, pavement, such as is met with
in towns.
According to my invention, I provide the wheels of traction engines and motor.
cars (the latter of which are intended to run at a fast speed, chiefly in towns)
with diagonal or other cross bars, and 1 fill the intermediate spaces between the
bars with lead, or a composition of lead which is a non-slipping substance, and
which, moreover, being comparatively soft, will tend to deaden the noise of the
wheels on the pavement or road. The wheel will thus run partly upon the hard
metal of the bars or ribs, which will sustain the weight of the vehicle, and partly
on the soft metal, which will prevent slipping and reduce noise.
The soft metal is preferably secured in position by slightly dovetailing the edges
of the cross bars or other supporting ribs between which the lead is placed:
Dated this 28th day of September 1896.
NEWTON & SON,
Agents for the Applicant.
COMPLETE SPECIFICATION..
Improvements in Non-elastic Tyres for the Wheels of Self-moving
Vehicles.
I THOMAS COOPER of The Elms, King's Lynn, in the County of Norfolk, Engineer,
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:-
The present invention relates to self-propelled road engines and motor cars,
which have to be furnished with such wheels as will give a sufficiently good grip

page_text: on the ground for propelling purposes, without causing undue damage to the road
itself.
The usual diagonal cross bars wherewith the tyres of traction engine wheels are
furnished, act. fairly well on country roads, but cause much damage thereto in
wet weather, and, moreover, are unsuitable for use' on pavements such as are to be
found in towns, nor are they suitable for the less heavy kinds of vehicle or
motor car.
The object of my invention is to provide a running surface for the wheels of
traction engines, motor cars, and similar vehicles, which will be durable, com-
paratively, noiseless, and suitable for giving a good grip on all kinds of roads and
pavements, without wearing them unduly.
According to my invention, I adapt, as a running surface or tread for the road
wheels, a non-slipping durable surface similar to what has been employed for stair
treads and floors. This surface is composed of lead or equivalent soft metal, and
of a metal of harder nature, such as steel, arranged alternately in bars or plates
across the periphery of the wheel.
I have shown in the accompanying drawing my invention as applied to the
wheel of a traction engine, Fig. 1 being a front view, partly in section, and Fig! 2
a side view of half a wheel, also partly in section.
bare bars or plates, of hard metal, secured by rivetting, or otherwise, at-short
intervals, to the felloe of the wheel A. These bars, which extend preferably
diagonally between the circumferential flanges a, may be undercut, or dovetailed,
to receive the lead bars e, which are flush with the hard metal bars, and which can
he cast in position, and held by the dovetails without further attachment. ...
It will be understood, however, that the attachment of the alternately arranged
bars of hard and soft metal will depend, in a measure, upon the character of the
wheel, and the weight of the vehicle to which it. is applied, so that the attachment
may be varied according to circumstances.
"The wheel thus formed will run partly upon the hard metal and partly on the
soft metal, which will prevent slipping, and reduce noise, and will wear the road
no more than an ordinary wheel.
Having now particularly described and ascertained the nature of the said
invention, and in what manner the same is to be performed, I, declare that what I
claim is:-
The application to the wheels of self-moving engines or vehicles, of a running
surface or tread composed of cross bars of alternately arranged hard and soft metal,
as and for the purpose above set forth.
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