Improvements in Tyres for Vehicle Wheels.
Year: 1897

page_text: PROVISIONAL SPECIFICATION.
Improvements in Tyres for Vehicle Wheels.
JAMES MCKENNY, 116, Stephen's Green West, Dublin, Veterinary Surgeon,
and JOHN HENRY RYAN, 22, Nassau Street, Dublin, Civil Engineer, do hereby
declare the nature of this invention to be as follows:-
Our invention has reference to and comprises improvements in the construction
of wheel tyres for all classes of vehicles, & has for its object the producing of an
elastic wheel which will be cheaper & more durable than those now in use.
The improvements in our invention consist of a tyre for vehicle wheels com-
posed of two metal rims with rubber intervening, this we effect by constructing
the rims with projecting studs on the outside of the inner rim & the inside of the
outer rim & with corresponding holes in the rubber thereby protecting the rubber
from injury at the same time retaining its elasticity as well as securing the
wearing properties of the outer metal rim which comes in direct contact with the
ground.
101
1
C
1907
JAMES MCKENNY, M.R.C.V.S.
J. H. RYAN, M. Inst. C.E.
Improvements in Tyres for
CHICK
We, James ¿cKENNY, of 116, Stephen's Green W., Dublin, Veterinary Surgeon,
and JOHN HENRY RYAN, of 22, Nassau Street, Dublin, Civil Engineer, do hereby
declare the nature of this invention and in what manner the same is to be per-
formed, to be particularly described and ascertained in and by the following
statement:―
Our invention consists of improvements in the construction of wheel tyres for
vehicles, and has for its object the imparting to such tyres an elastic action,
whereby the wheels are rendered resilient, the noise usually caused by ordinary
wheels is lessened, the durability of the tyre is ensured, the skidding of wheels
is obviated and puncturing is eliminated.
We effect this in the following manner; To the felloe of wheels we attach a
light metal rim which has projections on its outer surface, these projections can
either be formed on the metal rim during its construction, or in the form of studs
attached, at intervals, to the said rim by a screw, or otherwise, and inserted
through the said rim and into the felloe, or in any other similar suitable manner.
We then place over the said metal rim, a band of rubber or other elastic substance
037

page_text: of suitable shape and thickness which, when the studs are used, has holes in same,
at similar intervals to the intervals between the studs; when the said projections
are merely used, they sufficiently project as to embed themselves in the rubber
when the wheel is completed; over the rubber band we now attach by hydraulic
compression, or in other suitable manner, another metal tyre of suitable thickness,
having on its inner surface, similar projections to those above described in con-
nection with the inner metal rim and which will engage the rubber band in a
similar manner, thus effectually retaining the elastic band in position and allowing
it to be vertically compressed and complete freedom of expansion laterally.
The nature of our invention and the manner in which the same is to be per-
formed or carried into practical effect will be more readily understood on refer-
ence to the sheet of illustrative drawings hereunto annexed, the reference letters
being used to indicate the same or corresponding parts where shown.
Fig. 1 is a sectional, view of a segment of the rim of a wheel, broken away, in
which A represents the felloe, B the inner metal rim showing the studs C, D the
rubber band showing the holes E, F the outer metal tyre showing the studs G.
Fig. 2 is a side view illustrating the application of projections C on the outer
surface of the inner rim B and similar projections G on the inner surface of the
outer tyre F.
Having now particularly described and ascertained the nature of our inven-
tion and in what manner the same is to be performed, we declare that what we
claim is;
-
First. That any elastic or rubber band used on the tyre of wheels, is by our
means of attachment not incased laterally, thereby permitting of entire resiliency
of the elastic substance so used, substantially in the manner and for the purpose
herein before set forth and described and illustrated by drawings annexed.
Second. The retaining of an elastic or rubber band on wheels by an inner and
an outer metallic rim, the former having projections on its outer surface, and the
latter having similar projections on its inner surface, substantially in the manner
and for the purpose hereinbefore set forth and described and illustrated by
drawings annexed.
Dated this 16th day of June 1898.