Improvements in Pneumatic Tyres for Cycle and other Wheels."
Year: 1897

page_text: Date of Application, 9th Nov., 1897-Accepted, 11th Dec., 1897
66
COMPLETE SPECIFICATION.
Improvements in Pneumatic Tyres for Cycle and other Wheels."
I, HUGH LAWSON WARNER, of Hamilton, Butler County, Ohio, United States
of America, Cycle Maker, do hereby declare the nature of this invention, and in
what manner the same is to be performed, to be particularly described and ascer-
tained in and by the following statement:-
This invention pertains to pneumatic tyres for cycle wheels and other wheels.
The object of the invention is to produce a pneumatic tyre with an openable
casing which tyre can be applied to any ordinary wheel rim suited for elastic
tyres without the necessity for any special provision upon the wheel rim, it
being possible with my invention to substitute my openable tyre upon any or-
dinary concave wheel rim previously fitted with either a solid rubber tyre or
a cushion tyre or a single or inner tube pneumatic tyre.
My invention will be readily understood from the following description taken
in connection with the accompanying drawings in which :-
Fig. 1 is a perspective view of a pneumatic tyre exemplifying my invention:
Fig. 2 a radial section of one form of the tyre:
Fig. 3 a plan of a portion of the casing opened out flat:
Fig. 4 a radial section of the tyre when arranged to be opened at either side
of the wheel rim: and
Fig. 5 a perspective view of a portion of the lap-strip employed in the con-
struction shown in Fig. 4.
In the drawing, confining attention for the present to Figs. 1, 2, and 3:
1, indicates the usual concave wheel rim:
2, the flexible tyre casing:
8, the air tight flexible inner tube, shown as partially deflated:
4, the usual air valve:
5, one edge of the casing, the same seating upon the concave wheel rim and
extending substantially entirely across the rim:
6, the free edge of the casing the same overlapping the edge 5, which edge 5
therefore forms a lap-strip for the free edge of the casing:
7, a continuous series of hooks projecting from lap-strip 5 near the extreme
edge thereof and
S, a corresponding series of openings in the free edge of the casing, these
openings being preferably reinforced by eyelets.
means.
The casing is to be connected with the wheel rim by having its seating portion 5
secured to the rim by cement, tacks, screws, or any other suitable attaching
The free edge of the casing hooks to the seating portion 5 and when
the inner tube 3 is fully inflated it bears inwardly upon overlapping portion G
and maintains the integrity of the closure of the casing. By entirely or partially
deflating the inner tube the free edge of the casing may be disengaged from the
seating edge thereof and the casing thus opened for a portion or the whole of
its circumference thus giving access to the inner tube for repair or removal. It
is obvious that the wheel rim requires no special provision to receive the im-
proved tyre and that an openable tyre is thus produced of a simple and substantial

page_text: construction and which will interchange upon wheels fitted with solid, cushion
or pneumatic tyres either of single or inner tube type.
It is to be observed in Fig. 2 that the casing can be opened at one side only
of the wheel rim, the seating portion of the casing being securely attached to
the wheel rim. In Figs. 4 and 5, I show a modification in which it is practicable
to have the casing open at either side of the wheel rim. In this modification the
seating portion 5 of the casing, instead of being formed integrally with the
casing, is formed of a separate lap strip secured to the casing by an extra row
of hooks and openings at 9, the other edge G of the casing being as in the former
'case, thus permitting either edge of the casing to be opened. Cover strips 10
are preferably secured to the inner surface of the casing to cover the hooks. If
the series of hooks 9 are tightly clinched to the casing then the casing becomes
openable at one side only, the same as in the example first mentioned. The
lap-strip 5 may be formed of any suitable material adaptable to the wheel rim
and to the casing, but I prefer to form it of folded fabric provided at each edge
of the lap-strip, within the folds thereof, with cords 11, to form chafing rolls
at each edge of the wheel rim to protect the casing from chafing contact with
the wheel rim at the edges of the rim; and I prefer to form the hooks as double
ended structures having their bodies embedded within the folds of the lap-strip.
Having now particularly described and ascertained the nature of my said
invention, and in what manner the same is to be performed, I declare that what I
claim is:
A casing formed with or provided with a portion adapted to seat in and substan-
tially cover the concave tyre-seat of the wheel-rim and having a free edge over-
lapping and separably fastened to said seating portion.
Dotod h: 0
1