Improvements in Tires for the Wheels of Bicycles and other Vehicles.
Year: 1893

page_text: Date of Application, 13th June, 1893
Complete Specification Left, 12th Mar., 1894-Accepted, 14th Apr., 1894
Improvements in Tires for the Wheels of Bicycles and other
Vehicles.
I, ALEXANDER BARR, of 141 Hill Street, Garnet Hill, Glasgow, in the County
of Lanark, North Britain, Engineer, do hereby declare the nature of this invention
to be as follows, that is to say :-
My said invention has for its object to improve the construction of tires for the
wheels of bicycles and other vehicles; and it consists essentially in combining with
an inflated or solid rubber or like tire, a cylindrical band of steel or other metal or
alloy of suitable spring temper or resiliency.
The inetal band to be used in carrying out my invention is straight across, that
is: without transverse convexity, concavity, or inequality, or, in other words,
such as to be flat if not bended into the cylindrical forn. The metal band inay be
imbedded in the rubber or other material forming the inflated or like tire; or it
may be applied in a shallow recess formed in, or on, a cylindrical surface formed
on the rubber or like tire, being in such cases either uncovered or covered with
canvas, or rubber, or other suitable inaterial, or again, the metal band may be
inserted in the hollow interior of the rubber or like tire so as to be in contact
therewith on its outer surface.
The metal band, being of the cylindrical form described, flattens where it is
pressed on the ground by the superincumbent weight, and in consequence, presents
a larger bearing surface than a transversely convex, or more rigid tire. With the
increased bearing surface, and the presence of the metal band, roughnesses of the
ground will have a diminished tendency to injure the tire and, it is believed,
jolting will also be lessened.
Dated this Twelfth day of June 1893.
EDMUND HUNT,
Applicant's Agent.
COMPLETE SPECIFICATION.
Improvements in Tires for the Wheels of Bicycles and other
Vehicles.
I, ALEXANDER BARR, of 141, Hill Street, Garnet Hill, in the County of
the City of Glasgow, North Britain, Engineer, 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, that is
to say :-
:-
My said invention has for its object to improve the construction of tires for the
wheels of bicycles and other vehicles; and it consists essentially in combining with
an inflated or solid rubber or like tire, a cylindrical band of steel or other metal or
alloy of suitable spring temper and resiliency.
The inetal band to be used in carrying out my invention is straight across, that
is without transverse convexity, concavity or inequality, or in other words such as
to be flat if not bended into the cylindrical form. The metal band may be
embedded in the rubber or other material forming the inflated or like tire; or it
may be applied in a shallow recess formed in or on a cylindrical surface formed on
the rubber or like tire, being in such cases either uncovered or covered with canvas
Price 7

page_text: or rubber or other suitable material; or again, the metal band may be inserted in
the hollow interior of the rubber or like tire, so as to be in contact therewith on its
outer surface.
And in order that my said invention and the manner of performing the same
may be properly understood I hereunto append a sheet of explanatory drawings,
to be hereinafter referred to, and showing transverse sections as at the bottoms of
six modifications of tires, for the wheels of bicycles and other vehicles, as made
with my improvements. In these drawings the same reference letters are used to
mark the saine or like parts wherever they are repeated
In all the modifications there is employed a metal band, A, which is straight
across, that is without transverse convexity, concavity or inequality.
In the modification shown in Figure, 1, the metal band, A, is embedded in the
rubber or other material forming the inflated tire, B.
In the modifications shown in Figures, 2, and, 3, the metal band, A, is applied in
a shallow recess formed on the outer surface of the rubber or like tire, B, being in
the former modification uncovered, and in the latter covered with canvas or rubber
or other suitable material, D, extending over the treading surface and up between
the wheel rim, E, and the tire.
In the modification shown in Figure, 4, the metal band, A, is embedded in an
outer jacket or covering, D, of canvas, or rubber, or other suitable material which
encloses in this case an inflated air tube, C. The outer jacket or covering, D,
extends up between the wheel rim, E, and the air tube, C, whore it is held by, the
pressure in the air tube when inflated.
In the modification shown in Figure, 5, the metal band, A, is inserted in the
hollow interior of the rubber or like tire, B, so as to be in contact therewith on its
outer surface. The inflated tire, B, may if desired, be enveloped in an outer jacket
or covering (D), of rubber, canvas, or other material.
In the modification shown in Figure, 6; the metal band, A, is fixed to a strip, F,
of rubber or canvas or like material by rubber or other cementing medium, the edges
of the strip being turned over upon the inner side of the metal band. The air
tube, C, has its outer part fixed to the metal band, A, by rubber or other cementing
medium, and the tube, the metal band, and strip of canvas are enveloped in an outer
jacket or covering, D, the edges of which extending up between the wheel rim, E,
and the air tube, C; are made to overlap so as to be more securely held.
The improved tires may be fitted to any suitable wheel rim (E). The inflated
tire (B) and outer jacket or covering (D) although shown in the modifications
hereinbefore described as if made of one thickness of material, may be made each
of two or more thicknesses of material, as for example of two plies of canvas cemented
together with rubber.
The metal band, (A) being of the cylindrical form described, flattens where it is
pressed on the ground by superincumbent weight, and in consequence prosents a
farger bearing surface than a transversely convex or more rigid tire. With the
increased bearing surface and the presence of the metal band (A) roughness of the.
ground will have a diminished tendency to injure the tire (B); and it is believed
jolting will also be lessened.
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
clain is-
In tires for the wheels of bicycles and other vehicles the combination of a
cylindrical inetal band with an inflated or solid rubber or like tire substantially as
and for the purposes hereinbéfore described.
Dated this Ninth dosz of March 1801
EDMUND HUNT.
Applicant's Agent.