Improvements in or connected with Tyres for the Wheels of Velocipedes and other Vehicles.
Year: 1891

page_text: Date of Application, 10th June, 1891
Complete Specification Left. 5th Oct. 1891-Accepted, 7th Nov., 1891
PROVISIONAL SPECIFICATION.
Improvements in or connected with Tyres for the Wheels of
Velocipedes and other Vehicles.
JOSEPH ROBINSON and ALOYSIUS ROBINSON 28 Friargate Preston, Lancashire
Drapers do hereby declare the nature of this invention to be as follows:-
.
A loose rigid metal rim or case for covering the face of pneumatic or inflated
tyres; the outer surface of the said rim having a groove for an ordinary rubber or
cushion tyre. The rim is placed over the pneumatic tyre when in an uninflated
state, which is then inflated thus holding the rim in its position.
A the metal rim for the principle of
which the Patent is asked. B space in which the inflated tyre fits. C groove for
ordinary rubber or cushion tyre.
The drawing enclosed is a cross section.
Dated this Ninth day of June 1891.
JOSEPH BOBINSON.
ALOYSIUS ROBINSON.
COMPLETE SPECIFICATION.
Improvements in or connected with Tyres for the Wheels of
Velocipedes and other Vehicles.
JOSEPH ROBINSON 28 Friargate Preston Lancashire Draper ALOYSIUS
ROBINSON 28 Friargate Preston Lancashire, Draper 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 :—
Our invention consists in a loose rigid metal rim or case made in one or more
parts for covering the face of pneumatic or inflated wheel tyres of velocipedes and
other vehicles; the outer surface of the said rim having a groove for an ordinary
rubber or cushion tyre, the object of the invention being the prevention from
pricking and cutting of pneumatic or other inflated wheel tyres. The rim is
slipped over the pneumatic tyre when in an uninflated state, the tyre is then
inflated thus holding the rim in its position. The rim being in no way fastened to
or forming any part of the tyre or wheel, it may be put on or removed at pleasure
so that the velocipede or vehicle can be used with or without it.
Reference is to be had to the accompanying drawings forming part of this
Specification, in which
Fig. 1 is a section of half the metal rim or case.
Fig. 2 is a cross section of the metal rim or case.
A is the metal rim, B is the space into which the wheel tyre is inflated, C is the
groove on the outer surface of the rim for an ordinary rubber or cushion tyre.
Fig. 3 shows a modification of our invention, the side edges D being turned
inward to allow more room for the expansion of the inflated tyre within the
space B.
Having now particularly described and ascertained the nature of our said inven-
tion, and in what manner the same is to be performed, we declare that what
we claim is ;
1. A loose rigid case shaped metal rim made in one or more parts, with a groove
on the outer surface for flexible tyre, the inner surface of the rim being dished to
cover the face of pneumatic or other inflated tyres for wheels of velocipedes and
other vehicles, so as to act as a case or shield, the rim or case providing complete

page_text: protection from pricking and cutting of pneumatic or inflated wheel tyres without
materially reducing their anti-vibrating qualities.
2. The metal rim being loose and constituting no part of the wheel or tyre, it
may be easily removed for racing or when.lightness for great speed is required.
Dated this 3rd day of October 1891.
JOSEPH ROBINSON.
ALOYSIUS ROBINSON.