Improvements in Wheels for Rolling Stook.
Year: 1892

page_text: Date of Application, 5th Jan., 1892
Complete Specification Left, 5th Nov., 1892-Accepted, 10th Dec., 1892
PROVISIONAL SPECIFICATION.
Improvements in Wheels for Rolling Stook.
1, JOHN CHARLES WILSON, of 24 Lincoln's Inn Fields, London, in the County
of Middlesex, Mechanical and Consulting Engineer, do hereby declare the nature
of this invention to be as follows:-
This invention relates to the fastening of tyres upon wheels used in connection
with the rolling stock of railways and tramways; and its object is to thoroughly
secure the said tyres upon the said wheels without the intervention of loose rings,
bolts, or screws, and so as to maintain the full width of the wheel's rim, and at the
same time so as to allow of the tyre being easily removed and securely refastened
again, if it should get loose and require to be taken off the wheel and shrunk on it
again.
For this purpose I employ the same section of tyre and rim of wheel as is
shown in my Patent of October 27, 1888, No. 15,483, and I fasten the tyre to the
rim of the wheel in the same manner as is therein shown, but instead of hammering
over the whole of the inside lip of the tyre, all around the rim of the wheel, I, at
first, when the wheel is new, hammer over only alternate portions of it, leaving
other alternate portions to be hammered over at any future time, if the tyre should
get loose and require to be taken off the wheel and shrunk on to it again. When
that operation takes place, the portions first hammered over are simply cut off, then
the tyre can be easily removed, and when it is shrunk on to the wheel again the
remaining portions fit into their places and are hammered over so as to fasten the
tyre in the same secure way as in the first instance. Between the hammered over
portions I construct key-pieces solid with the rim of the wheel, which prevent the
tyre slipping around the rim of the wheel in the event of the tyre getting loose.
Dated this 5th day of January 1892.
JOHN C. WILSON.
COMPLETE SPECIFICATION.
Improvements in Wheels for Rolling Stook.
I, JOHN CHARLES WILSON, of 24 Lincoln's Inn Fields, London, in the County
of Middlesex, Mechanical and Consulting 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 :-
This invention relates to the fastening of tyres upon wheels used in connection
with the rolling stock of railways and tramways; and its object is to thoroughly
secure the said tyres upon the said wheels without the intervention of separate rings,
bolts, or screws, and so as to maintain the full width of the wheel's rim, and at the
same time so as to allow of the tyre being easily removed and securely refastened,
if it should get loose and require to be taken off the wheel and shrunk on to it
again. For this purpose I employ, for the rolling stock of railways, on account of
the fast speeds at which the wheels run, the section of tyre and rim of wheel shown
in my Patent of October 27, 1888, No. 15,483, and I fasten the tyre to the rim of
the wheel in the manner therein shown, but instead of hammering over the whole
of the inside lip of the tyre, all around the rim of the wheel, I, at first, when the
wheel is new, hammer over only alternate portions of it, leaving the other alternate
portions to be hammered over at any future time, if the tyre should get loose and
require to be taken off the wheel and shrunk on to it again. When that operation
takes place, the portions first hammered over are simply cut off, then the tyre can
[ Ραίνο 2,7 7

page_text: be easily removed, and when it is shrunk on to the wheel again the remaining
portions are fitted into the places on the rim of the wheel previously occupied by
the portions cut off and are then hammered over so as to fasten the tyre in the
same secure way as in the first instance. Between the hammered over portions of
the tyre, and abutting against their ends, I construct key-pieces solid with the rim
of the wheel, which prevent the tyre slipping around the rim of the wheel in the
event of its getting loose. For the rolling stock of tramways I use a simpler
section of tyre than for railways, but it it fastened and keyed in precisely the same
manner as above described. I show this section in Fig. 1 of the annexed drawing.
On reference to the drawing it will be seen that A' are the portions of the inside
lip of the tyre that are first hammered over, A³ are the remaining portions left to
be hammered over when the tyre is removed and shrunk on again, and B are the
key-pieces made solid with the rim of the wheel. Fig. 2 shows a side elevation of
one-quarter of a wheel, Fig. 1 being a section of the same. It is to be noted that
in all cases, for both railway and tramway wheels, the full width of the rim of the
wheel in this invention is maintained.
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
claim is:
The construction of tyre fastening with an inside lip on the tyre hammered
over the rim of the wheel in alternate sections so as to allow of the tyre being easily
removed and fastened on again in combination with key-pieces projecting from the
rim of the wheel and abutting against the ends of the said sections so as to prevent
the tyre slipping around the rim of the wheel in case of its getting loose, substan-
tially as herein described and illustrated in the annexed drawing.
Dated this Fifth day of November One thousand eight hundred and ninety-
JOHN C. WILSON.