AN IMPROVEMENT IN IRON WHEELS
Year: 1885

page_text: I, EDWARD PRITCHARD of N° 2 Liardet Grove New Cross in the county of
Kent, Iron Plate worker, do hereby declare the nature of my invention for "AN
IMPROVEMENT IN IRON WHEELS" to be as follows:-
My invention relates to that description of iron wheels wherein a wrought
iron rim is secured by wrought iron spokes to a nave which has heretofore been
made of cast iron. According to my present invention, instead of making the nave
of cast iron, I construct it of two dished wrought iron or steel discs between which
the eyes of the spokes are situated and which are secured together by rivets or
screw bolts passing through the two discs and the intervening eyes of the spokes.
For wheels that have to run loose on their axle, I fix in the central holes of the
two discs an iron tube passing through from the one disc to the other and secured
by rivetting or otherwise, which tube is fitted onto the axle. For wheels that have
fixed axles rotating with them, I form square or polygonal holes in the discs
through which a correspondingly shaped axle is passed and is secured therein by
keys or otherwise.
ABEL & IMRAY,
Agents for the Applicant.
0
An Improvement in Iron Wheels.
I, EDWARD PRITCHARD of N° 2 Liardet Grove, New Cross in the County of
Kent, Iron Plate Worker, do hereby declare the nature of my 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 relates to that description of iron wheels wherein a wrought iron
rim is secured by wrought iron spokes to a nave which has heretofore been made
Din 077
An Improvement in Iron Wheels.
I, EDWARD PRITCHARD of N° 2 Liardet Grove, New Cross in the County of
Kent, Iron Plate Worker, do hereby declare the nature of my 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 relates to that description of iron wheels wherein a wrought iron
rim is secured by wrought iron spokes to a nave which has heretofore been made
Din 031

page_text: of cast iron. According to my present invention, instead of making the nave of
cast iron, I construct it of two dished wrought iron or steel discs between which
the eye of the spokes are situated and which are secured together by rivets or
screw bolts passing through the two discs and the intervening eyes of the spokes.
For wheels that have to run loose on their axles, I fix in the central holes of the
two discs an iron tube passing through from the one disc to the other and secured
by rivetting or otherwise, which tube is fitted on to the axle. For wheels that
have fixed axles rotating with them, I form square or polygonal holes in the disc
through which a correspondingly shaped axle is passed and is secured therein by
keys or otherwise.
Fig. 1 of the accompanying drawing shows a part front view and Fig. 2 an
enlarged cross section of one construction of my above described improved iron
wheel, adapted to revolve on a fixed axle.
The spokes A are connected at one end by rivetting to the rim B, and have eyes
formed at their inner ends that fit between two dished discs C C, constituting the
nave, to which they are secured by rivets D passing through the three parts.
The discs C may either be of wrought iron, stamped into the requisite dished
form by dies, or they may be of steel or malleable cast iron.
They are formed with central holes into which is fitted a tubular bush E,
rivetted over at its projecting ends so as to secure it in position.
Figs. 3 and 4 shew respectively a part front view and enlarged cross section of a
modified construction in which the wheel is fixed on its axle, the only difference
from that previously described being that the tube E is dispensed with, the holes F
being made square so as to fit on to a square axle.
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. Constructing the bosses of iron wheels of two dished plates placed with their
hollows opposite each other and having the inner ends of the spokes secured
between them by rivets or screws passing through the three parts substantially as
herein described.
2. The use in combination with the dished plates C C, constituting the boss of
an iron wheel, of a tube E secured therein by rivetting or other means, substantially
as herein described with reference to Figs. 1 and 2 of the drawings.