Improvements in Railway and Tramway Wheels.
Year: 1885

page_text: J, WILLIAM HENRY KITSON, of Crooked. Acres, Kirkstall, near Leeds, in the
County of York, Engineer, do hereby declare the nature of this invention to be as
follows:-
This invention has reference to a construction of elastic compound wheel suitable
for use on railways and tramways. The wheel body or centre is of metal such as
iron or steel and has formed in its periphery a number of transverse slots or
recesses into which blocks of material such as wood to form cushions are forced so
as to project somewhat beyond the periphery of the wheel body or centre and to
take a firm bearing against the inner circumference of the tyre (with or without
an interposed non-inflammable substance) which is secured to the body or centre
by any suitable means such as a flanged ring or rings that will alone or with the
aid of a part of the tyre prevent lateral displacement of the cushioning blocks.
Dated this 10th day of December 1883
W. LLOYD WISE.
COMPLETE SPECIFICATION.
Improvements in Railway and Tramway Wheels.
I, WILLIAM HENRY KITSON, of Crooked Acres, Kirkstall, near Leeds, in the
County of York, 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 has reference to a construction of elastic compound wheel suitable
for use on railways and tramways. The wheel body or centre is of metal such as
iron or steel and has formed in its periphery recesses or a recess into which blocks
[Price 8dı

page_text: of material such as wood to form cushions are forced so as to project somewhat
beyond the periphery of the wheel body or centre and to take a firm bearing
against the inner circumference of the tyre which is secured to the body or centre
by any suitable means such as a flanged ring or rings that will alone or with the
aid of a part of the tyre prevent lateral displacement of the cushioning blocks.
Referring to the accompanying sheet of drawings Figs. 1 to 10 represent parts
of elastic compound wheels according to this invention.
Fig. 1 is a sectional view of half a wheel according to my invention that may
be constructed with a cast steel, body or centre; Fig. 2 is a cross section showing
the rim, the tyre, a cushioning block and a fastening ring. Figs. 3 and 4 are
similar views of a modification in which the wheel is such as can be constructed
with a wrought iron body or centre. Figs. 5, 6, 7, 8, 9, and 10 are cross sections
illustrating the application of my invention to wheels of different constructions.
In each case according to my invention the metallic wheel body or centre A has
formed in its periphery either a number of recesses or one annular recess or channel
extending entirely around the periphery into which recesses or recess blocks B of
material such as wood to form cushions are forced so as when in place to project
somewhat beyond the periphery of the wheel body or centre A and to take a firm
bearing against the inner circumference of the tyre C which is secured to the body
or centre by any suitable means such as any of those shown in the drawings; the
arrangement being (as represented) such as to prevent lateral displacement of the
cushioning blocks.
It will be evident that the number of recesses may be varied to suit circum-
stances. I prefer to make the cushioning blocks of teak wood, and to force
them into the recesses by means of hydraulic pressure.
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 I do not
lay any general claim to the use of cushioning material between a wheel and a
tyre, but what I claim is :-
In a railway or tramway wheel the combination of a body or centre recessed at
its periphery, a tyre, and interposed cushioning blocks forced into the recesses
or recess of the body or centre projecting beyond its periphery and caused to bear
against the inner circumference of the tyre, the parts being secured together so as
to retain the tyre in place and prevent lateral displacement of the cushioning
blocks substantially as described with reference to the drawings annexed.
Deted this 2nd dow of Sentumhar 1886
WILLIAM H. KITSON.
W. Lloyd Wise,
Applicant's Agent.