Year: 1896

page_text: Date of Application, 17th Apr., 1896
Complete Specification Left, 18th Jan., 1897-Accepted, 6th Mar., 1897
I, JOHN TOWNSEND TRENCH, of Kenmare, Co. Kerry, Ireland, Land Agent,
do hereby declare the nature of this invention to be as follows:-
This invention relates to that type of tyre having a circumferential slit on its
underside which fits into the wheel rim, and it consists of means for connecting the
two divided edges of the cover together to prevent the said edges spreading or
coming apart on the inflation of the tyre. I connect the divided edges of the cover
together by a series of binders made of metal or other suitable material, one end
of each of the said binders being rivetted or otherwise attached to one edge of the
cover, and the other end of each of the said binders being shaped as a hook to
engage with holes or ridges, lugs or other enlargements in or on the other edge of
the cover.
Although I prefer to fix the binders to one edge of the cover they may be
adapted to engage with both edges of the cover by means of their hooked ends.
The tyre may be used either with an independent air tube, or the cover itself
may be made air tight by means of an internal lining and loose flap or its
equivalent.
I prefer to form recesses in the edges of the cover for the binders to lie in, so
that the tyre may obtain a good grip in the wheel rim, but this is not obligatory.
I also prefer to shape the binders so that they conforn to the sectional shape of
the wheel rim.
As a modification the binders may be connected together by longitudinal
pieces to form groups, and further, instead of attaching them to the cover they may
be attached to the rim.
1, JOHN TOWNSEND TRENCH of Kenmare Co. Kerry, Ireland, Land Agent,
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 :-
This invention relates to that type of tyre having a circumferential slit on its
underside which fits into the wheel rim, and it consists of a device for connecting
the two divided edges of the cover together to prevent the said edges spreading or
coming anart on the inflation of the tyre.

page_text: According to my invention I connect the divided edges of the cover and hold
them together by a series of binders made of metal or other suitable material, one
end of each of the said binders being rivetted or otherwise attached to one edge of the
cover, and the other end of each of the said binders being shaped as a hook to
engage with lugs or other enlargements on the other edge of the cover.
Although I prefer to fix the binders to one edge of the cover they may be
adapted to engage with both edges by means of their hooked ends.
In the accompanying drawing which illustrates my invention:-
Figures 1 and 2 are views of a tyre in transverse section showing the binders
arranged to engage with both edges of the tyre.
Figure 3 is a similar view showing the binders rivetted to one edge of the tyre
and engaging with the other edge.
Figures 4 and 5 are views in transverse section showing a tyre with binders
mounted on a wheel rim.
Figure 6 is a view in transverse section showing the base of the tyre provided
with recesses for the binders to lie in.
Figure 7 is a view in transverse section showing another method of attaching the
binder to one edge of the tyre, and
Figure 8 is a view in plan of the binder employed.
Figure 9 is a view in transverse section of a tyre and wheel rim embodying my
invention showing how the spaces between the sides of the tyre and the edges of
the wheel rim may be filled up.
Figure 10 is a broken sectional view showing how the binders may be conveniently
mounted.
Throughout the views similar parts are marked with like letters of reference.
The binders A take the form of plates of metal or other suitable material having
inturned edges forming hooks a which engage with ears, lugs or enlargements on
the tyre or tyre cover B. The binders may be of any desired width and they may
be made plain as shown by Figure 1 or with a central ridge a' as shown by
Figure 2.
When it is desired to make the binders fast to one edge of the tyre or tyre cover
they may either be rivetted thereto as shown by Figure 3 in which case the
attached edge need not be made of a hook shape, or a tongue or fang such as a²
may be pressed out of the binder and closed against the inner margin of the edge
of the tyre or tyre cover as shown by Figures 7 and 8 to confine it in the hooked
end of the binder.
Tyres or tyre covers fitted with these binders can be conveniently mounted on
shallow concave rims such as C as shown by Figures 4 and 5, or they can be
mounted in wheel rims such as C designed to receive other types of tyres as shown
by Figures 3, 6, 7 and 9. When the tyres are intended to be fitted to wheel rims
adapted to carry other tyres both the binders A and the bases of the tyres or tyre
covers B are preferably shaped to fit the said rins as shown by Figure 3 and 6
otherwise spaces may remain between the sides of the tyre or tyre cover and the
wheel rim as shown by Figure 7 into which dirt and water may gather. To
obriate this when the base of the tyre or tyre cover does not completely fill the
wheel rim I use bands such as D to fill the said spaces, as shown by Figure 9, the
said bands being made of rubber or other suitable material..
When the bases of the tyres are shaped to adapt them to fit in and fill the wheel
rim I prefer to form transverse grooves & in the divided base for the binders to lie
in as shown by Figure 6.
When the binders are not intended to be fixed to the tyre or tyre cover they may
be arranged in groups and be connected together by suitable means such for
instance as by a band such as E as shown by Figure 10. This band may
conveniently be made of an elastic material and may be attached to the binders
either on the outer side or inner side by means of cement or in any other convenient
manner. By mounting the binders on such a band they can be conveniently
mounted in or on a wheel rim if desired.

page_text: These binders may be used either with tyres having separate air tubes as shown
by Figures 1, 4 and 7 or with tyres having no independent air tube, as shown by
Figures 2, 3, 5, 6 and 9.
By the use of my invention tyres can be inflated apart from and independent of
the wheel rim, and such tyres can conveniently be mounted in wheel rims designed
and shaped to receive other types of tyres.
When these binders are used with tyres having independent air tubes their edges
may be adapted to engage with holes or eyelets in the covers of the said tyres
instead of with ears or lugs thereon.
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.) The improvements in pneumatic tyres, substantially as herein before
described and illustrated by the accompanying drawing.
(2.) The combination with a pneumatic tyre having a divided base, of binders
constructed arranged and adapted to operate as and for the purpose herein before
set forth.
(3.) The combination with a pneumatic tyre consisting of a divided cover-with
or without a separate air tube-of a series of binders such as A having hooked
edges a adapted to engage with ears or lugs on or near the divided edges of the
tyre or cover, as and for the purpose set forth.
(4.) The combination with a pneumatic tyre consisting of a divided cover-with
or without a separate air tube-of a series of binders such as A fixed to one edge of
the tyre or cover and adapted to engage with the other edge thereof, as and for the
purpose set forth.
(5.) The combination with a pneumatic tyre consisting of a divided cover-with
or without a separate air tube-of a series of binders such as A having hooks such as a
at each end and a tongue or fang such as a' in its length, as and for the purpose
set forth.
(6.) The combination with a pneumatic tyre consisting of a divided cover-with
or without a separate air tube-of a series of binders such as A and of bands such
as D, as and for the purpose set forth.
(7.) The combination with a pneumatic tyre consisting of a divided cover-with
or without a separate air tube-of a series of binders such as A mounted on a band
such as E, as and for the purpose set forth.
(8.) The combination with a pneumatic tyre consisting of a divided cover B-with
or without an air tube-having transverse grooves such as 6' across its base, of
binders such as A adapted to lie in the transverse grooves and to engage with
the divided edges of the tyre or cover, as and for the purpose set forth.
Dated this ich day of
T
ROBERT E. PHILLIPS, Assoc. M. Inst. C.E., M.I. Mech. E.,
Consulting Engineer and Patent Agent,
70, Chancery Lane, London, W.C., Agent for the Applicant.