Improvements in Tyres for Wooden Wheels and the like.
Year: 1891

page_text: Date of Application, 15th July, 1891
Complete Specification Left, 14th Apr.. 1892-Accepted. 21st May, 1892
PROVISIONAL SPECIFICATION.
Improvements in Tyres for Wooden Wheels and the like.
I, JULES MESNIL, Blacksmith, of Cambrai, in the Republic of France, do
hereby declare the nature of this invention to be as follows:-
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My invention for improvements in tyres for wooden wheels and the like has for
its object to fix the tyre to the felloes of the wheel without the use of bolts, or
screws and consists in providing the iron tyre with ono or more internal ribs or
projections extending circumferentially round the tyre and in forming in the wooden
felloes of the wheel one or more corresponding circumferential grooves. In order
to fix the tyre on the wheel it is expanded by heat so that the circumferential rib
will pass over the folloes and is shrunk on in the ordinary manner, the rib or pro-
jection of the tyre taking into the groove in the wheel and thus preventing lateral
displacement of the tyre or of the felloes. The wood of the rim may be prevented
from burning by applying a silicate or other incombustible substance.
Dated this 15th day of July 1891.
WHEATLEY & MACKENZIE,
40, Chancery Lane, London, W.C., Agents.
COMPLETE SPECIFICATION.
Improvements in Tyres for Wooden Wheels and the like.
1, JULES MESNIL, Coachbuilder, of Cambrai, in the Republic of France, 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:
My invention for improvements in tyres for wooden wheels and the like has
for its object to fix the tyre to the felloes of the wheel without the use of bolts or
screws and consists in providing the iron tyre with one or more internal ribs or
projections extending circumferentially round the tyre and in forming in the
wooden felloes of the wheel oue or more corresponding circumferential grooves.
In order to fix the tyre on the wheel it is expanded by heat, so that the circum-
ferential rib will pass over the felloes, and is shrunk on in the ordinary manner,
the rib or projection of the tyre taking into the groove in the wheel and thus
preventing lateral displacement of the tyre or the fellocs. The wood of the rim
may be prevented from burning by applying a silicate or other incombustible
substance.
In order to more clearly explain my invention I annex hereto a sheet of drawings
on which
Fig. 1 shows a longitudinal section of the felloe with the tyres on line 1-1 in
Fig. 2.
Fig. 2 shows a cross section at 2-2 in Figs. 1 and 3.
Fig. 3 shows a cross section at 3-3 on Fig. 2 of a felloe fitted with one of my
tyres having a single projecting rib.
Fig. 4 shows a section at 44 of Fig. 5, and Fig. 5 a section at 5—5 of Fig. 4
of a felloe fitted with one of my tyres with two ribs.
Figs. 6 and 7 represent respectively sections at 6-6 and 7-7 of a felloe fitted
with one of my tyres having three ribs.
3.
The tyre A consists of a hoop of iron or steel generally of a rectangular shape
and having any number of the longitudinal projecting ribs C, one only, (Figs. 1. 2.
[Price 8d.]

page_text: and 3,) two, (Figs. 4 and 5) or three (Figs. 6 and 7) and of any shape such as
semicircular (Figs. 1 to.5) or triangular (Figs. 6 and 7).
To these ribs correspond grooves D (Fig. 1) formed on the outside of the felloe B
which correspond with the ribs in shape, number, and size.
To fix the tyre on the felloe the former is cut to the required length, rolled, and
welded. It is then heated until the inner circumference of the ribs is at least
equal to the outer circumference of the felloe so that the wheel may be embraced
by the tyre. Before the latter is fitted on, silicate, alum or other non-combustible
material is applied to the felloe and in the grooves in order to protect the wood of
the felloe.
On cooling, the ribs engage in the corresponding grooves and any lateral dis-
placement of the felloes or of the tyre becomes impossible.
. It is therefore evident that this tyre does away with the employment of bolts or
screws and with the inconvenience resulting therefrom.
If it becomes loose the tyre is ent, taken off, shortened by the desired amount,
welded again and refitted as above described without difficulty as the dimensions,
direction, and disposition of the ribs and grooves have not been altered.
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 :-
1st. A tyre A for wooden wheels, provided on the interior with longitudinal
projecting ribs C of any shape or desired number substantially as described.
2nd. A tyre A for wooden wheels provided on the interior with longitudinal
projecting ribs C which fit into corresponding grooves D previously formed on the
outer circumference of the felloès B of the wooden wheel substantially as
described.
3rd. A tyre A for wooden wheels provided on the interior with longitudinal
projecting ribs C of any shape and of any number (according to the width of the
wheel) fitting into the grooves D previously formed on the outside of the felloes B
of the wheel in order, without using bolts or screws, to prevent any lateral dis-
placement of the tyre or of the felloes in combination with an incombustible
material (silicate, alum and the like) which prevents the wooden felloe from burning
during the fitting on of the heated tyre substantially as described.
Dated this 14th day of April 1892.
WHEATLEY & MACKENZIE,
40, Chancery Lane, London, W.C., Agents.