Year: 1886

page_text: I, STEPHEN ALLEY, of the Sentinel Works, Polmadie, in the County of Renfrew
North Britain, Engineer, do hereby declare the nature of this Invention to be as
follows, that is to say :-
My said Invention relates to railway wheels of a kind having the tire connected
to the central boss or hub by a pair of curved disks of steel or other suitable metal,
the outer edges of the disks at their circumference entering grooves in the sides of
the tire, and the edges of the eyes of the disks entering grooves in the ends of the
boss, whilst the disks are bolted to each other by a circular series of bolts midway
between the boss and tire.
The object of my Invention is to prevent the tire and boss from turning or
slipping round between the disks; and for this purpose I introduce a plate between
the two disks, this plate being arranged so that it cannot turn inside of the tire nor
on the boss. In one convenient modification the plate is of a square form the
corners, which may be bended at right angles, engaging in notches or recesses
punched or otherwise formed in a rib formed round the inside of the tire. Any
other convenient form with suitable projecting parts may be used instead of the
square form. The plate is made with an eye or central opening of a square,
polygonal, oval, or other suitable form the part of the boss on which it is placed
being made of a counterpart form. The bolts by which the outer disks are
connected pass through holes on the inner plate, and the plate may be made with
projecting bosses round the bolt holes to bear against the disks. These bosses may
be formed on the plate by punching or embossing the bosses being formed on
opposite sides of the plate for alternate bolt holes. The external rings through
which the bolts pass are by preference made concave on their inner sides, so as to
be put into a condition of elastic compression by the bolts and thereby render
the nuts less liable to become loose.
1000
EDMUND HUNT,
Applicant's Agent,

page_text: I, STEPHEN ALLEY, of the Sentinel Works, Polmadie, in the County of Renfrew,
North Britain, 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, that is to say :-
My said Invention relates to railway wheels of a kind having the tire connected
to the central boss or hub by a pair of curved disks of steel or other suitable metal,
the outer edges of the disks at their circumference entering grooves in the sides of
the tire, and the edges of the eyes of the disks entering grooves in the ends of the
boss, whilst the disks are bolted to each other by a circular series of bolts midway
between the boss and tire.
The object of my Invention is to prevent the tire and boss from turning or
slipping round between the disks; and for this purpose I introduce a plate between
the two disks, this plate being arranged so that it cannot turn inside of the tire
nor on the boss.
A simple and convenient modification of my improved railway wheel is shown
on the accompanying sheet of explanatory drawings, figure, 1, being a side
elevation with the upper half in section, and figure, 2, a horizontal section as at
the line A-A in figure, 1. In these drawings the same reference numerals are
used to mark the same or like parts wherever they are repeated.
In order to prevent the tire, 3, and boss, 4, from turning or slipping round
between the disks, 5, which connect these two parts, in railway wheels of the kind
to which my Invention relates, I introduce a plate, 6, between the two disks, 5.
This plate, 6, is constructed and arranged so that it cannot turn inside of the
tire, 3, nor on the boss, 4, for which purpose it is made of a square contour and has
the corners, bended at right angles, and made to engage in notches or recesses
punched or otherwise formed in a rib, 7, formed round the inside of the tire, 3.
The plate, 6, is made with an eye or central opening of a polygonal form the part
of the boss, 4, on which it is placed being made of a counterpart form. The outer
disks, 5, are bolted to each other by a circular series of bolts, 8, midway between
the boss, 4, and tire, 3, these bolts, 8, pass through holes in the inner plate, 6, and
that plate is made with projecting bosses round the bolt holes to bear against the
inner sides of the disks, 5. These bosses may be formed on the plate by punching
or embossing, the bosses being formed so as to project on opposite sides of the
plate, 6, for alternate bolt holes. The external rings, 9, through which the bolts, 8,
pass are by preference made concave on the inner sides, and are put into a
condition of elastic compression by the bolts, thereby rendering the nuts less liable
to become loose.
Any other convenient form of the plate, (6) with suitable projecting parts may
be used instead of the square form; and the eye or central opening may be of a
square, oval, or other suitable form instead of polygonal, the part of the boss, 4, on
wbich it is placed being made to correspond.

page_text: Having now particularly described and ascertained the nature of my said
Invention and in what manner the same is to be performed I declare that what
I claim is :-
1. In a railway wheel having the tire connected to the boss by a pair of curved
disks, the combination with these parts, of an inner disk made with parts engaging
with the tire and parts engaging with the boss in a manner to prevent the tire from
turning relatively to the boss substantially as hereinbefore described.
2. Making the inner disk with bosses alternately on opposite sides at the holes
for the bolts which bind the outer disks together such bosses bearing against the
inner sides of the outer disks, combined with the concave form of the inner sides
of the rings on which the nuts and heads of the bolts bear substantially as
hereinbefore described.
EDMUND HUNT,
Applicant's Agent.