AN IMPROVED WAGGON OR CARRIAGE WHEEL ADAPTED FOR THE ARTILLERY AND OTHER SERVICE AS WELL AS FOR GENERAL USE, AND ADMITTING OF BEING READILY TAKEN APART AND PUT TOGETHER IN SECTIONS."
Year: 1881

page_text: "
LETTERS ¡PATENT to William Frederick Lotz, of 20, Barbican, in the City of
London, for an Invention of AN IMPROVED WAGGON OR CARRIAGE WHEEL
ADAPTED FOR THE ARTILLERY AND OTHER SERVICE AS WELL AS FOR GENERAL
USE, AND ADMITTING OF BEING READILY TAKEN APART AND PUT TOGETHER
IN SECTIONS." A communication from abroad by Auguste Wilké, of Brunswick,
in the Empire of Germany.
PROVISIONAL SPECIFICATION left by the said William Frederick Lotz
"AN
at the Office of the Commissioners of Patents on the 9th July 1881.
WILLIAM FREDERICK LOTZ, of 20, Barbican, in the City of London.
IMPROVED WAGGON OR CARRIAGE WHEEL ADAFED FOR THE ARTILLERY AND
OTHER SERVICE AS WELL AS FOR GENERAL USE, AND ADMITTING OF BEING READILY
TAKEN APART AND PUT TOGETHER IN SECTIONS." A communication from abroad
by Auguste Wilké, of Brunswick, in the Empire of Germany.
The Invention relates to a wheel consisting of a nave formed of three parts,
made of cast iron, steel, or bronze, and connected with spokes of iron or steel
tubing. The felloes are formed either of a ring or of segments of wrought iron,
malleable cast iron, or cast steel, over which the hoop is drawn heated, or the
felloes are wedged into said hoop by screws. The three parts of the nave are
joined together in the following manner:-The back and front parts are held by a
tube of iron or steel running through the middle part. The middle part is joined
to the back part by bolts, so that when half the number of spokes is placed in a
complete wheel is formed; the front part of the nave is then joined to the middle
part thereof in order to place in the other half the number of spokes. The heads
of the screws in the spoke-holes are made flat. The holes for the spokes are bored
half way in the uave, half in the back part and half in the front part alternately.
The spokes are made of steel or iron tubing in any desirable form. The fastening
of the spokes in the nave is done as follows:-On the outer side of the nave are
joinings provided with bolts and nuts which serve to push the spokes firmly against
the felloes. In order to keep the spokes firmly in the basis of the nave a ring is

page_text: screwed inside the spoke with a fitting in the nave to screw said ring to. The
spokes can also be fixed without this when the heated hoop is put on the wheel.
The fastening can also be accomplished in the following manner, viz., a screw
can be secured in the nave and then fastened firmly against the spokes. The spokes
are firmly wedged into and joined to the felloes by screws or pegs; by this con-
struction it is easy to change each spoke, thus if it be wanted to change the spoke
pointing to the front the screw pointing to that side is loosened, the front part of
the nave is drawn out, by which the spokes in this part will be bared, and can
then be easily taken out of the middle part of the nave without loosening the
spokes on the opposite side as the joining screws for holding the nave together
cross against one another. The position of the spokes can be either sloping or
straight, or alternately sloping and straight as desired; or the nave may be in two
parts instead of three, and all the spokes in one direction with the screws going
through. The felloes are iron formed thus, and can be made in a complete ring
or in segments for the purpose of changing damaged parts. For vehicles which are
used on soft ground the felloes are adapted to avoid sticking in the earth. When
the felloes consist of segments and it is necessary when going on a journey (as in
artillery carriages and such like vehicles) to take some spare felloes, the following
arrangements are observed. The spare felloe is made a little shorter than ordinarily,
and is provided with a shallow groove at one end. The space caused by the shortness
of the felloe is filled up with a wedge which has a feather of a square form on one
side, and a feather of a semicircular form on the other side; these feathers fit into
the felloes, it being understood that each felloe has a cavity or channel at its end in
which the feather of the wedge can have a fast hold; the wedge and both the felloes
are then firmly held together by a screw. For inserting the spokes a screw may be
cast on the felloe. The felloes are made of cast steel or malleable cast iron in
order to render them light and strong. The hoop is either fastened to the felloes
with screws or made to lie sunken in the felloe which maintains the outer side,
and with the latter arrangement screws are not necessary.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed
by the said William Frederick Lotz in the Great Seal Patent Office on the
6th January 1882.
WILLIAM FREDERICK LOTZ, of 20, Barbican, in the City of London. "AN
IMPROVED WAGGON OR CARRIAGE WHEEL ADAPTED FOR THE ARTILLERY AND
OTHER SERVICES AS WELL AS FOR GENERAL USE, AND ADMITTING OF
READILY TAKEN APART AND PUT TOGETHER IN SECTIONS." A communication
from abroad by Auguste Wilké, of Brunswick, in the Empire of Germany.
BEING
The Invention relates to a wheel consisting of a nave composed of three parts
made of cast iron, steel, or bronze, and connected with spokes of iron or steel
tubing. For the better explanation of said Invention I refer to the accompanying
Drawings, in which the like letters designate the like parts. Figure 1 is a view of
the complete wheel; Figure 2 is a vertical section thereof; Figure 3 is an end view
thereof; Figure 4 is an enlarged view of the nave half in section; Figure 5 is an
enlarged view of the nave half in section, shewing a different mode of construction;
Figure 6 is a section of the tyre shewing the manner of putting the parts together;
Figure 7 is a section of the tyre differently constructed; Figure 8 is a segment of the
tyre; Figure 9 is a section of the same; Figure 10 is a section of the same; Figure 11
is a section of the tyre without the arms or spokes; Figures 12 to 17 inclusive are
enlarged views of the arms or spokes shewing different modes of constructing the
same.
The felloes are formed in a ring or of segments of wrought iron, malleable cast
iron, or cast steel, over which the tyre is drawn heated, or the felloes are wedged
into the trye by screws. The three parts of the nave are joined together in the
following manner :-The back and front parts are held by a tube of iron or steel
running through the middle part. The middle part is joined to the back part by
bolts, so that when half the number of the spokes is placed in a complete wheel is
formed; the front part of the nave is then joined to the middle part thereof in
order to place in the other half of the spokes. The heads of the screws in the
spoke-holes are made flat. The holes for the spokes are bored halfway in the nave,
half way in the front part, and half way in the back part thereof alternately. The
spokes are made of steel or iron tubing in any desirable form. The fastening of
the spokes in the nave is done as follows:-On the outer side of the nave are
joinings provided with bolts and nuts which serve to push the spokes firmly against
the felloes. In order to keep the spokes firmly in the basis of the nave a ring is
screwed inside the spoke with a fitting in the nave to screw said ring to. The
spokes can also be used without this when the heated tyre is put on the wheel.
The fastening can also be accomplished in the following manner, namely, a screw
can be secured in the nave and then fastened firmly against the spoke. The spokes
are firmly wedged into and joined to the felloes by screws or pegs. By this con-
struction it is easy to change each spoke; thus if it be wanted to change the spoke
pointing to the front the screws pointing to that side are loosened, the front part
of the nave is drawn out, by which the spokes in that part will be bared, and can
then be easily taken out of the middle part of the nave without loosening the
spokes in the opposite side, as the joining screws for holding the nave together
cross against one another. The position of the spokes can be either sloping or
straight, or alternately sloping and straight as desired; or the nave may be in two
parts instead of three, and all the spokes in one direction with the screws going
through. The felloes are of iron, and can be made in a complete ring or in segments
for the purpose of changing damaged parts. For vehicles which are used on soft

page_text: ground the felloes are adapted to avoid sticking in the earth by being formed as
shown in Figures 9 and 10. A; B, C, in Figures 4 and 5, show the three parts of the
nave; d ande, Figures 4 and 5, are the bolts herein before mentioned. S, shewn in
various Figures, are the spokes; O, Figures 2 and 4, is the nut for holding the
spokes against the felloes; f, Figure 5, is the ring hereinbefore mentioned for
holding the spoke. When the felloes consist of segments and it is necessary when
going on a journey to take some spare felloes, as in artillery carriages and other
vehicles, the following arrangements are observed. The spare felloe is made a
little shorter than usual, and is provided with a shallow groove, letter g, Figure 10,
at one end; the space thus caused is filled with a wedge, letter g, Figure 10, which
wedge has a feather of a square form on one side, and a feather of a semi-circular
form on the other side. Each felloe has a cavity or channel at its end, in which
the feather of the aforesaid wedge can have a fast hold; the wedge and also the
sections of the felloes are then firmly held together by a screw.
When the felloes
are made in a ring, as shown in Figure 1, a piece K, as shown in Figures 6 and 7, is
screwed with bolts to inner side of said ring, as shown in Figure 1, said piece
having in its centre a hole or cavity of suitable size to receive the spoke. This
piece K may be dispensed with by casting a screw on the felloe, which would also
serve the purpose of connecting the spoke with the felloe.
Having now fully described the nature of the said Invention, and the means
by which the same can be carried into effect, as communicated to me by my said
correspondent, I wish it to be understood that what I claim is substantially as is
herein before described and illustrated in the accompanying Drawings.
In witness whereof, I, the said William Frederick Lotz, have hereunto set my
hand and seal, this Twenty eighth day of December, One thousand eight
hundred and eighty one.
WILLIAM FREDERICK LOTZ. (L.S.)