Improvements in Wheels.
Year: 1889

page_text: Date of Application, 17th Jan., 1889
Complete Specification Left, 17th Oct., 1889-Accepted 23rd Nov., 1889
PROVISIONAL SPECIFICATION.
Improvements in Wheels.
1. ALFRED George Spencer, of 77 Cannon Street, in the City of London, Engineer,
lo hereby declare the nature of this invention to be as follows :-
My invention has reference to a construction of wheels that shall be light, olastic,
strong and practically noiseless. For this purpose make my wheels of metallic
plates preferably stamped or pressed to form and suitably fustened together, it may
be by rivetting, the rim being hollow and filled with elastic material or not, and being
provided or not with a metal tyre.
A form of wheel according to my invention comprises two thin circular plates of
suitable metal such as steel preferably stamped or pressed to a form which as seen in
cross section of one half of the wheel (the section being taken through the centre) is
approximately S shape but with a long straight part connecting the two curved parts.
The two plates when placed with the flat parts together form a wheel body having a
hollow elastic rim approximating more or less in shape (as seen in cross section) to
the form of one head of a double heade: rail and also form at the centre a hollow
Within the hollow boss
nave, each plate constituting a hollow boss at the centre.
there is a centre lining or bush which may be of cast iron. The interior of the
hollow rim may be packed with olastic material such as india rubber or not, and in
cases in which the wear is likely to be considerable the wheel may be surrounded by
a metallic tyre.
For the sake of lightness portions of the plates forming the wheel body may be
removed or formed with openings.
W. LLOYD WISE,
Per F. J. Brougham,
46, Lincoln's Inn Fields, London, W.C., Agent for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Wheels.
1, ALFRED GEORGE SPENCER, of 77 Cannon Street, in the City of London, 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 reference to a construction of wheels that shall be light, elastic,
strong and practically noiseless. For this purpose I make my wheels of metallic
plates preferably stamped or pressed to form and suitably fastened together, it may
be by rivetting, the rim being hollow and filled with elastic material or not, and being
provided or not with a metal tyre.
A form of wheel according to my invention comprises two thin circular plates of
suitable metal such as steel preferably stamped or pressed to a form which as seen in
cross section of one half of the wheel (the section being taken through the centre)
is approximately S shape but with a long part that is or portions of which are
straight connecting the two curved parts. The two plates when placed with flat
parts thereof together form a wheel body having a hollow elastic rim approximating
more or less in shape (as seen in cross section) to the form of one head of a double
headed rail and also form at the centre a hollow nave, each plate constituting a hollow
boss at the centre. Within the hollow boss there is a centre lining or bush which
may be of cast iron and in some cases has a flange that enters between the plates.

page_text: The interior of the hollow rim may be packed with elastic material such as india
rubber, or not, and in cases in which the wear is likely to be considerable the wheel
may be surrounded by a metallic tyre.
For the sake of lightness portions of the plates forming the wheel body may be
removed or formed with openings.
In the accompanying sheet of illustrative drawings,
Fig. 1 is a central vertical section of a wheel constructed according to this
invention.
Fig. 2 is a side elevation of one half of the wheel.
This wheel is made of two thin circular plates of suitable metal such as steel, each
stamped or pressed by suitable dies to the cross sectional form shewn in Fig. 1 so
that each plute has an outer curved rim 1 and a flange constituting a hollow
boss 2 at the centre, these parts being connected by parts 3, 4 and 5 that are
respectively flat or approximately flat so that when the two plates are placed
together as shewn, they form a wheel body having an elastic hollow rim and a
hollow navo.
6 is a centre, lining or bush constituting a hub, that may be of cast
iron placed within the hollow nave formed by the bosses 2 of the plates and made
with an external flange 7. The two plates are secured together and to the flange 7 of
the centre 6 by any suitable connexions it may be by rivets 8 as slewn. 9 is a ring
of elastic material such as india-rubber arranged to fill the hollow wheel rim. 10 is
a metal tyre surrounding the wheel rim; it is provided with an internal annular rib
or projection 11. that is interposed between the juxtaposed edges of the two plates and
enters a groove in the elastic ring 9, so as to be securely retained in place upon the
wheel rim. I may in some cases dispense with the elastic ring 9, or the metal
tyre 10, or with both, the wheel in the latter case then having simply a hollow elastic
rim.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed I declare that what I
claim is :-
1. The construction of a wheel with a body made of thin plates of metal such as
steel pressed or otherwise bent to shape and connected together in such a manner
as to form a hollow elastic rim and a hollow navo substantially such as bereinabove
described.
2. A wheel formed of thin circular plates of metal such as steel with a centre or
nave and a hollow elastic rim filled with elastic material such as india rubber sub-
stantially as described.
3. My improved wheel as described and shewn.
LGU LIIS ITM day of October LOOD.
ALFRED G. SPENCER.
W. Lloyd Wise,
46, Lincoln's Inn Fiolds, London, W.C., Agent for the Applicant.