CERTAIN IMPROVE- MENTS IN THE WHEELS OF CARRIAGES, APPLICABLE ALSO TO WINDLASSES, CAPSTANS. AND VARIOUS OTHER USEFUL PURPOSES
Year: 1804

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, I, JOHN
BROWN, of the Town and County of Poole, in the County of Dorset, Merchant,
send greeting.
WHEREAS His most Excellent Majesty King George the Third, by His
Letters Patent under the Great Seal of Great Britain, bearing date at
Westminster, the Fourth day of August, in the forty-fourth year of His reign,
did give and grant unto me, the said John Brown, my executors, adminis-
trators, and assigns, His special licence, full power, sole privilege and
authority, that I, the said John Brown, my executors, administrators, and
assigns, during the term of years therein expressed, should and lawfully
might make, use, exercise, and vend, within England and Wales and the
Town of Berwick-upon-Tweed, my new Invention of "CERTAIN IMPROVE-
MENTS IN THE WHEELS OF CARRIAGES, APPLICABLE ALSO TO WINDLASSES, CAPSTANS.
AND VARIOUS OTHER USEFUL PURPOSES;" in which said Letters Patent there is
contained a proviso obliging me, the said John Brown, under my hand and
scal, to cause a particular description of the nature of my said Invention, and
in what manner the same is to be performed, to be enrolled in His Majesty's
High Court of Chancery within one calendar month next and immediately after
the date of the said recited Letters Patent, as in and by the same (relation
being thereunto had) may more fully and at large appear.
NOW KNOW YE, that in compliance with the said proviso, I, the said
John Brown, do hereby declare that my said Invention is applicable to the
wheels of carriages, to windlasses, and capstans, either on board of ships, or on

page_text: shore, and to the hawsehole of ships, and to other purposes where the same
rotary motion is required, as follows, reference being had to the annexed
Drawings:-
Figure 1, for the wheels of carriages.-This is a substitute for the nave.
Four plates, as A, B, G, H, are required to each wheel of a carriage.
A, B, are two metal plates. C is a metal wheel with a fixed iron pin. There
are six of those wheels put between the plates A, B, and their pins B move
round in the holes in the plates a, a, a, a, a, a. These plates, with the six
wheels between them, are kept together by three small bolts, as D, which pass
through the holes in the plates d, d, d, and on these bolts are placed stops,
as E, which keep the plates separate for the wheels to move round freely.
F is a very thin piece of metal placed on the axletree between the wheels
and the plates, to prevent water, &c.,. from getting in. G, H, are two
small plates. I is a wheel, of which there are six, whose pins move
round in the holes of the plates 9, 9, 9, 9, 9, 9. K is a very fine piece of
metal to keep out water or dirt as before. The larger plates A, B, &c. are
to be let into the large end of the nave or stock of the wheel, and the
plates G, H, into the small end, so that the plates may be even with the wood.
There must be a small hoop let into the stock for the edges of the plates to
rest on; but when the wood of the nave or stock is not large enough that the
plates should be let into the wood, then the thickness of the plates, with the
wheels, &c. between them, must be cut off the wood, and a strong broad hoop
driven on, and project out, so that the plates, &c. may fit into it. The plates
are held firmly into the nave by three bolts, as I, which pass through the
plate A, B, in the holes m, m, m, and
the plates G, H, in the holes n, n, n.
the plates G, H, must be placed three
at proper distance for the wheels to move round freely. On the outside plate,
at each end of the nave, there must be a thin picce of metal over the
holes a, a, a, a, a, a, in the plate A,
the plate G to keep out water, &c.
small carriage whose axletree at the
end 1 inch; and when the axletree is larger, the
must be made proportionably larger and stronger.
Figure 2, for windlasses.-A, A, A, A, and B, B, B, B, are two iron
or metal plates for a windlass. There are five wheels with fixed iron pins
between the two plates round the neck of the windlass. The two foreinost
ones are larger, as C, and their pins move round in the holes a, a; the lesser
three are as D, and their pins move round in the holes b, b, b. The plates take
passing through the nave go through
On the top of the three bolts, between
stops, as I, to keep the plates seperate
and over the holes g, 9, 9, 9, I, I, in
This size in the Drawing will suit any
shoulder is 1 inch, and at the small
plates, wheels, bolts, &c.

page_text: in two parts where the white line is marked; the larger part is let into the
bitts, and the smaller into the cheek, so that the windlass may be taken down
when required. The plates are firmly held into the bitts and cheek of the
windlass by five bolts, as E, which pass through the holes in the plates o, c, c, c; c.
On to the plate a, a, a, a, must be cast two square pieces; as b; b, which fit
into the holes e, e, in the plate B, B, B, B, so as to keep the plates true
with each other. These plates, if made of cast iron, must; be about 1 inch
thick; but if of wrought iron about of an inch. This improvement will
answer equally well for windlasses used on shore.
i
Figure 3, for the capstans of large ships.-A, A, A, A, and B, B; B, B, are two
iron or metal plates, between which are placed six wheels round the barrel of the.
capstan. The two foremost ones. are larger, as C, and their pins mové round
in the holes a, a. The lesser four wheels are as D, and their pins move round
in the holes b, b, b, b. These plates are firmly held into the deck by six bolts,.
as E, which pass through the holes c, c, c, c, c, c. On the plate A, A, A, A,
is cast four picces, as d, d, d, 'd, which project up-a little more than the
thickness of the wheels; and on the plate B, B, B, B, must be cast-four pieces.
of metal, as e, e, e, e, to fit into the holes f,f,f,f, to keep the plates at equal,
distance and true with each other. There must be little vertical wheels or
balls moving in a groove under the large horizontal wheels to facilitate their
motion. These plates, made of cast iron, must be about 2 inches thick,
but of wrought iron, 1 thick. This improvement will answer equally well
for capstans used on shore.
Figure 4, for small capstans, which ship on a spindle.-A, A, represent a
plate of metal, of which there must be two, exactly to correspond with each
other. Between the two plates are placed six wheels, as B, whose pins move
round in the holes a, a, a, a, a, a. The plates must be let into the foot of the
capstan, and firmly held in by three bolts, as D, passing through the holes in
the plates b, b, b, and screwing up into three nuts, which must be let into the
body of the capstan between the welps. On the bolts between the plates must
be placed three stops, as C, to keep the plate seperate for the wheels to
move round freely; this will answer equally well for capstans used on shore..
This same apparatus may be made use of for the foot of a large barrel capstan,
as Figure 3, by being let into the deck for the foot of the capstan to step in,
only in this case the lower plate must have no hole through it.
Figure 5, for the hawsehole.-A is a metal roller with a
B, B, B, is a metal plate, of which there must be two at each end of the
roller to exactly correspond with each other. Between these two
be placed three wheels, one larger, as C, and two smaller, as D.
fixed pin.
plates are to
The pin of

page_text: the wheel C moves round in the holes a, and the pins of the wheels D move
round in the holes b, b. E, E, E, E, represent the roller A, with the two
plates at each end. F is a flat piece of metal, on which the plates rest.
There must be another flat piece of metal, the length of F, to stand up two
thirds the height of the plates to keep the work in the hawsehole. G is a
metal roller with a fixed pin. H, H, are two metal plates, between which are
to be placed three wheels, one larger, as I, whose pin moves round in the
holes c, and two smaller, as at k, whose pins move round in the holes
d, d, and the pin of the roller acts on these wheels. There must be two
of the plates, &c. at each end of the roller, but the bottom plate at the lower
end must be without the hole through the centre of it, that the pin may rest
on the bottom plate. The two metal plates at each end of the roller must be
let into the hawse piece outside the hawsehole on the off side as far as the
catch marked in the plate at e, the roller standing nearly perpendicular. L is
a metal cap, whose lower part M covers over the two plates with the wheels,
&c., and prevents dirt; &c. from getting in. N, N, represents the roller with
the cap at each end; it is held firmly to the ship's bows by two bolts through
each cap in the holes n, n, n, n.
In witness whereof, I, the said John Brown, have hereunto set my
hand and seal, the Thirty-first day of August, in the year of our
J. S. HARVEY.
JOHN
OWD (L.S.)
AND BE IT REMEMBERED, that on the same Thirty-first day of August,
in the year above mentioned, the aforesaid John Brown came before our
Lord the King in His Chancery, and acknowledged the Specification
aforesaid, and all and every thing therein contained, in form above written.
And also the Specification aforesaid was stamped according to the tenor of
the Statute in that case made and provided.