Improvements in Perambulator and other like Wheel Tyres or Rims.
Year: 1888

page_text: Date of Application, 31st Oct., 1888
Complete Specification Left, 31st July, 1889-Accepted, 31st Aug., 1889
PROVISIONAL SPECIFICATION.
Improvements in Perambulator and other like Wheel Tyres
or Rims.
I, GEORGE LITTLEWOOD of Court Road, Balsall Heath, Birmingham in the County
of Warwick, Manufacturer, do hereby declare the nature of this invention to be as
follows:-
Iron rims or tyres of the wheels of perambulators, and other vehicles of a like
construction, are so made, that the heads of the spokes, which are countersunk, lie
flush with the peripheries, whereby the said heads become worn, and the spokes
loose, by the wearing away of the tyre.
The object of my invention is to remedy the aforesaid defect, or defects, by
countersinking the heads at the bottom of a groove, within the periphery; so that
the wearing part of the tread of the tyre, stands away from the heads of the
spokes.
In carrying out my invention, the rim or tyre which is preferably elliptical in
cross section, is made with a channel or groove sunken within the middle of its
periphery, and of a depth about one third the thickness of the metal section as aforesaid,
and of a breadth about one fourth that of the said rim.
Countersunk within the bottom of the aforesaid channel or groove, the heads
of the spokes lie; so that the periphery or tread of the tyre stands away from the
heads, thereby preventing the said heads from becoming worn, on the wearing away
of the said tyre.
I do not confine myself to the shape or dimensions of groove or channel, nor to
the exact distance which the heads of the spokes shall be disposed from the pheriphery
of the tyre or rim.
The iron or steel from which the rim is made, is preferably rolled or drawn to the
cross section as aforesaid.
As a modification, the heads of the spokes may lie within, or at the bottom of
equi-distant recesses, sunken within the pheriphery of a tyre or rim.
Dated this Twenty-ninth day of October 1888,
GEORGE LITTLEWOOD.
By Henry Skerrett,
Agent for Applicant.
COMPLETE SPECIFICATION.
Improvements in Perambulator and other like Wheel Tyres
or Rims.
1, GEORGE LITTLEWOOD of Court Road Balsall Heath Birmingham in the County
of Warwick Manufacturer do hereby declare the nature of this invention and in what
manner the same is to be perforined, to be particularly described and ascertained
in and by the following statement:-
Iron rims or tyres of the wheels of perambulators, and other articles of a like
construction, are so made, that the heads of the spokes which are countersunk, lie
flush with the peripheries whereby the said heads become worn, and the spokes
loose, by the wearing away of the tyre.
The object of my invention is to remedy the aforesaid defect or defects by counter-
sinking the heads, at the bottom of a groove within the periphery; so that the
wearing part of the tread of the tyre, stands away from the heads of the spokes.
In carrying out my invention the rim or tyre which is preferably elliptical in cross
section, is made with a channel or groove sunken within the middle of its periphery,
Price I

page_text: and of a depth about one third the thickness of the metal section as aforesaid, and
of a breadth about one fourth that of the said rim.
Countersunk within the bottom of the aforesaid channel or groove the heads of the
spokes lie; so that the periphery or tread of the tyre stands away from the heads,
thereby preventing the said heads from becoming worn, on the wearing away of the
said tyre.
The iron or steel from which the rim is made is preferably rolled or drawn to
the cross section as aforesaid.
As a modification the heads of the spokes may be within or at the bottom of
equi distant recesses, sunken within the pheriphery of a tyre or rim.
Figure 1 of the accompanying drawing, represenis in front elevation, a perambulator
wheel tyre, provided with a channelled rim, constructed according to my invention.
By employing such rims in the construction of the said wheels, the heads of the spokes
thereof lic below the periphery or iread; so that as the said tyres, or the treads of
the wheels, become worn, the heads of the spokes, or the affixing means of the spokes,
remain intact.
Figure 2 represents in side elevation, a segment of a tyro or rim, upon a larger
scale.
Figure 3 represents a transverse section through the dotted lines A B figure 2.
Figure 4 shows a plan of figure 2 exhibiting the channel running within the outside
middle of the tyre or rim.
Figure 5 represents a vertical section, on the dotted lines CD, whilst figure 6
represents a cross section on the dotted lines E F.
The same letters of reference indicate corresponding parts in the several figures of
the drawing.
a is the tyre or rim, with a channel or groove a², sunken within its periphery or
tread. are the spokes, with heads 62, and screwed inner ends 63, which latter tako
into the hub c.
The heads of the spokes, lie within countersunk holes a³, disposed at the bottom of
the channel or groove a².
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 :-
--
First Sinking within the middle of a perambulator or other like wheel tyre or
rim, a channel or groove, whereby the heads, or the affixing means of the spokes lie
below the tread of the wheel, substantially as, and for the purpose, as described and
set forth.
Secondly-Countersinking within the heads of the spokes of perambulator,
or other like wheels, at the bottom of an open channel or groove, sunken within the
middle of the tyre or rim, substantially as described and set forth.
Dated this 20th day of July 1889
GEORGE LITTLEWOOD.
By Henry Skerrett,
Agent for Applicant.