Year: 1896

page_text: I, ANDREW BETTS BROWN, of Rosebank Iron Works, Edinburgh, in the County
of Mid Lothian, North Britain, Engineer, do hereby declare the nature of this
Invention to be as follows, that is to say:
My Invention has for its object to improve the construction of elastic tires for
wheels so as to diminish the transmission of shock to the vehicle, wheels with the
improved tires being well adapted for driving wheels for motor cars and other
ригровев.
In carrying out iny Invention the metal rim of the wheel is made with a flange
at each side, and within the flanges two rubber pipes are helically coiled the coils
boing wound in reverse directions. The outer end of each coil is connected to a
nozzlo fitted with a plug or other valve for injecting air, each nozzle passing through
the rim of the wheel close to the flange on that side. The inner ends of the coils
are connected to each other by means of a two-branched shackle which is jointed
to one of a number of blocks of wood or other suitable material placed on the
outside of the coil of piping and within but projecting slightly beyond the flanges
and they form the treading part of the tire. The blocks are connected together by
links so that the coils of piping are onclosed by the ring of hoaring blocks. Tho
open spaces between the blocks may be filled with pieces of soft rubber dovetailed
into the blocks the object being to keep out stones and dirt as well as to add to
the resilience of the wheel.
When heavy weights have to be carried the inner wheel may be partially grooved
to embed the pneumatic pipes; and in a similar manner the wood blocks may be
also grooved to obtain sufficient bearing. In place of wood blocks an outer tire
of rubber may be substitutod or of any other suitable material. Also instead of the
ring of wood blocks being made as one bracelet it may be made as two bracelets
the one for going forwards and the other for going backwards.
1000
EDMUND HUNT,
Applicant's Agent.
COMPLETE SPECIFICATION.

page_text: invention and in what manner the same is to be performed, to be particularly
described and ascertained in aud by the following statement, that is to say:
My said Invention has for its object to improve the construction of elastic tires
for wheels so as to diminish the transmission of shock to the vehicle, wheels with
the improved tires being well adapted for driving wheels for motor cars and other
purposes.
In carrying ont my Invention I wind two rubber pipes round the wheel rim
helically in opposite directious, the inner ends of these pipes being connected
together and communicating with each other, while the outer ends are fitted with
plugs through which the pipes may be inflated and by which thoy aro attached to
the wheel or a piece loose on the hub thereof, by the adjustment of which the pipes
may be tightened on the wheel rim. Enoircling the rubber pipes and within flanges
on the wheel rim but projecting radially a little beyond them is a ring or annular
series of blocks of metal, wood, or other suitable material with pieces of rubber
between them, the blocks being joined by links and forming the treading part
of the wheel.
And in order that ny said Invention and the manner of performing the same
may be properly understood I hereunto appond two sheets of explanatory drawings,
to be hereinafter referred to, and showing examples of wheels with my improved
elastic tires applied to them.
Figure, 1, on sheet, 1, of the drawings is a sectional elevation of part of a wheel
with the improved tire applied to it. Figuro, 2, on sheet, 2, is a vertical section,
as at right angles to Figure, 1, Figure, 8, being a similar view of the same, but
with the section taken at a different part. Figure, 4, is a vertical section as at
right angles to Figure, 3, of part of the improved tire the points of section being
different from the points of section in Figure, 1. Figure, 5, is a vertical section of
another form of wheel with the improved tire applied. In these drawings the same
reference letters and numerals are used to mark the same or like parts wherever
they are repeated.
In carrying ont my Invention the metal rim, A, of the wheel has a flange, B, fixed
to it at each side by bolts, B1, and within the flanges two rubber pipes C, and C1
are helically coiled, the coils being wound in reverse directions. The outer ends
of the coils are connected to plugs, D, and F, one E, being made with an aperture
through which air is injectod for inflating the coils. The plugs, D, and E, are fixed
respectively to pieces, D1, and E1, fitted on turned projecting parts, K, aud, K 1,
on opposite sides of the wheel hub, L, and held there by plates, M, fixed to the
hub. Each piece, D1, E 1, is turnable by a lever which may be inserted between
projections, N, formed on it for the purpose the turning action of the piece
tightening the coil of rubber piping, C, or C1, to which it is connected. Each
piece, D1, E1, is held by a pin, P, working in guide holes in the hub, L, of the
wheel, and engaging in one of a number of holes in the piece which come opposite
the pin as the piece is turned, the pin being moved into action by a helical
spring, Q, encircling it and taken ont of action by hand. The inner ends of the
coils of pipes, C, and C1, are connected by a two-branched shackle, S, which is
made with a piece, T, extending up within a recess formed in one, V, of a number
of blocks, V 1, of metal or it might be of wood or other suitable material placed on
the outside of the coils of piping and within but projecting radially beyond the
flanges, B. The shackle, S, might however be jointed to the block, V. The
blocks, V 1, have fitted in transverse recesses in them pieces V 2, of wood or other
suitable material to form the treading part of the tire. The blocks, V 1, are
connected together by links, V8, jointed on bolts, V 4, passing through the blooks
transversely, the links and blocks forming a ring and enclosing the coils of piping, C,
and C 1. The spaces between the blooks, V1, are filled with pieces of soft
rubber, V 5, dovetailed into the blocks, the object being to keep out stones and
dirt as well as to add to the resilienco of the wheel.
When heavy weights have to be carried the wheel rim is partially grooved to

page_text: embed the pneumatic pipes, C, and, C1; and in a similar manner the blocks, V, V 1,
may also be grooved to obtain sufficient bearing. In place of metal or wood blocks
an outer tire of rubber may be substituted or of any other suitable material. Also
instead of the ring of blocks being made as one bracelet it may be made as two
bracelets the one for going forwards and the othor for going backwards.
Figuro, 5, shows a wheel in which one side flange, B, is formed with a laterally-
projecting annular part, W, made with teeth into which gears a pinion, W1, driven
from the source of power in the apparatus of which the wheel is a part.
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:
1. The construction and combination of the parts constituting the improved
elastic tire for a wheel substantially as herein before described and as shown in the
accompanying drawings.
2. The combination of inflated rubber tubing coiled between flanges on the wheel
rim with treading blocks on the coiled tubing, the blocks being connected by links to
each other, and at one point to the tubing, and the opposito onds of the tubing
being connected to the wheel rim or frame substantially as herein before described.
Dated this twenty sixth day of May, 1897.
EDMUND HUNT,
Applicant's Agent.