Improvements in Rims or Felloes for Cycle and other Road Wheels.
Year: 1896

page_text: Date of Application, 10th June, 1896
Complete Specification Left, 4th Mar., 1897-Accepted, 8th May, 1897
PROVISIONAL SPECIFICATION.
Improvements in Rims or Felloes for Cycle and other Road
Wheels.
I, JOHN CAMERON GRANT, of Albert Lodge, Albert Place, Kensington, in the
County of Middlesex, Engineer, do hereby declare the nature of this invention to
be as follows:-
My invention has for its object the construction of a rim or felloe for cycle aud
other road wheels that shall possess great lightness combined with strength and
elasticity. For this purpose I construct such rims of a combination of paper only,
or paper, paper pulp or papier maché alone or in combination with metal, or
vulcanite or other hard material, and covered with woven fabric. According to
one arrangement I make such rims of compressed paper, paper pulp or papier
maché, preferably formed of rhea fibre, in the outer curved parts of which are
embedded thin strips of steel, ebonite, or other suitable hard, strong material, while
the middle part either has a strip of metal embedded in it, or it has two strips of
metal secured respectively to its under and upper sides, which two strips are
preferably connected together by rivets passing through the outer body. Such
rivets are preferably made of eyelet-hole form so as to serve as sockets for fixing:
the ends of the spokes. The rim thus made is provided with a seamless covering
of rhea duck cemented thereto.
For producing such rims I first line a tubular woven duck or canvas covering.
with the requisite thickness of paper material or papier maché, and into the
compound tube thus formed I then introduce the before mentioned strips of metal.
to be embedded in the rim. The tube is then pressed to shape and is subjected
to pressure and heat in successive moulds until the required shape has been.
imparted to it.
According to another mode of construction I dispense with all metal or vulcanite.
or other such material bedded in the rim, and form it of paper or paper pulp and
rhea duck only.
According to a further mode of construction I make a thin steel or vulcanite rim
of the required section and I then line this with a layer of paper or paper pulp,
preferably of rhea fibre, with or without a backing of canvas, duck or other fabric
and subject the whole to pressure and heat in a mould. Or the metal or vulcanite.
may form the inner and the paper pulp and canvas backing the outer part of the
rim. In either case, the metal or vulcanite may be formed with perforations so
that the paper pulp lining or canvas in being subjected to pressure will penetrate
through the perforations, and thus effectually key the two parts together.
In some cases also, I employ wire gauze instead of perforated metal. In all
these arrangements I prefer to secure metal eyelet-hole rivets through the middle.
of the rim for fixing the spokes thereto.
Dated this 10th day of June 1896.
ABEL & IMRAY,
Agents for the Applicant..

page_text: COMPLETE SPECIFICATION.
Improvements in Rims or Felloes for Cycle and other Road
Wheels..
I, JOHN CAMERON GRANT, of Albert Lodge, Albert Place, Kensington, in the
County of Middlesex, 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 :-
My invention has for its object the construction of a rim or felloe for cycle and
other road wheels that shall possess great lightness combined with strength
toughness and elasticity.
For this purpose 1. construct such rims of the combination of an inner body or
core made of paper, paper pulp or papier maché preferably formed of rhea fibre
(such as Bohemeria Nivra) and an outer covering of a woven fabric, preferably
formed of rhea fibre, which is cemented to the paper core, the whole being
subjected to compression in suitable moulds.
By this means an exceedingly strong, tough and yet light rim is produced.
Such rims may be made of any configuration employed in the manufacture of
cycle and other road wheels.
Fig. 1 of the accompanying drawing shews by way of example the form of rim
for securing pneumatic tyres or tyrc covers having two auxiliary pneumatic tubes,
that are introduced and expanded in the slotted tubular channels A' A¹ of the
rim A.
This consists of the core a of paper material, preferably of rhea fibre, and an
internal and external covering a¹ a² of woven fabric, preferably of rhea "duck."
This rim is in the first instance made of the tubular form shewn at Fig. 2 which
after being subject to the required degree of compression is bent in moulds so as to
assume the form at Fig. 1.
Fig. 3 shews a section of an ordinary form of wheel rim for pneumatic tubes
made of the above described combined materials, such rim being made out of a
tubular blank similar to Figs. 1 and 2.
Having now particularly described and ascertained the nature of this inven-
tion and in what manner the same is to be performed, I declare that what I
claim is :-
Constructing wheel rims of an inner body or core of paper or paper material,
preferably made of rhea fibre covered on all sides with a strong woven fabric,
preferably of rhea fibre, cemented thereto, the rim being formed from a tubular
blank which is folded together and moulded to the required shape, substantially as
described.
ABEL & IMRAY,
Agents for the Applicant.