IMPROVEMENTS IN THE FLOATS OR PADDLE BOARDS OF PADDLE WHEELS.
Year: 1857

page_text: LETTERS PATENT to Henry Daniel Deane, of Number 18, Pigott Street,
East India Road, Limehouse, in the County of Middlesex, Ship Caulker,
for the Invention of "IMPROVEMENTS IN THE FLOATS OR PADDLE BOARDS OF
PADDLE WHEELS.".
Sealed the 18th September 1857, and dated the 18th April 1857.
PROVISIONAL SPECIFICATION left by the said Henry Daniel Deane at
the Office of the Commissioners of Patents, with his Petition, on the
18th April 1857.
I, HENRY DANIEL DEANE, of Number 18, Pigott Street, East India Road,
Limehouse, in the County of Middlesex, Ship Caulker, do hereby declare the
nature of the said Invention for "IMPROVEMENTS IN THE FLOATS OR PADDLE
BOARDS OF PADDLE WHEELS," to be as follows:-
I perforato either wooden or metal floats, or paddle boards, so as to affect the
strength of such floats as slightly as possible, and I make the holes to taper
from the side of the float which first strikes the water. The diameter of the
perforation should be about the size of the thickness of the float tapering to
about one half of such size.
The perforations may be cased with metal tubes, with a flange to prevent
wear and add strength.
In metal floats the perforations may be made clear, and tubes of the length,
say, of three or four inches, may be fixed in the perforations, tapering to ono
half of the diameter of the larger end of such tubes, the diameter of the

page_text: larger end of such tubes being about three or four inches. The wooden floats
may be either bolted or banded with bands or straps, either perpendicularly or
diagonally, or they may be bound round the edges with a band to preserve
strength. The floats should be so arranged on the wheel that the perforations
in each float should be in a different part of the float to the perforations in the
next or succeeding float, as is shewn in the Figures 1 and 2.
The advantages of my Invention, amongst others, are that the float leaves
the water free from backwater, and that the water passing through the
perforations of each float supplies a body of water for the next float to act
noninst
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said Henry Daniel Deane.in the Great Seal Patent Office on
the 23rd September 1857.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, IIENRY
DANIEL DEANE, of Number 18, Pigott Street, East India Rond, Limehouse, in
the County of Middlesex, Ship Caulker, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Eighteenth day of April, in the year of our Lord One
thousand eight hundred and fifty-seven, in the twentieth year of IIer reign, did
for IIerself, Her heirs and successors, give and grant unto me, the said Henry!
Daniel Deane, Her special licence that I, the said Henry Daniel Deane,
my executors, administrators, and assigns, or such others as I, the said
Henry Daniel Deane, my executors, administrators, and assigns, should at
any time agree with, and no others, from time to time and at all times there-
after during the term therein expressed, should and lawfully might make, use,
exercise, and vend, within the United Kingdom of Great Britain and Ireland,
the Channel Islands, and Isle of Man, an Invention for "IMPROVEMENTS IN THE
FLOATS OR PADDLE BOARDS OF PADDLE WHEELS FOR STEAM VESSELS," upon the con-
dition (amongst others) that I, the said Henry Daniel Deane, my executors or
administrators, by an instrument in writing under my, or their, or one of their
hands and seals; should particularly describe and ascertain the nature of the
said Invention, and in what manner the same was to be performed, and causo
the same to be filed in the Great Seal Patent Office within six calendar
months next and immediately after the date of the said Letters Patent.
NOW KNOW YE, that I, the said Henry Daniel Deane, do hereby
declare the nature of my said Invention, and in what manner the same is
to be performed, to be particularly described and ascertained in and by the

page_text: following statement, reference being had to the Drawing hereunto annexed,
and to the figures marked thereon (that is to say):-
Figures 1 and 2 represent two wooden or metal floats or paddle boards
perforated according to my improvement, which are to be placed alternately
on the paddle wheel. Figure 3 is a side elevation of the paddle wheel fitted
with my improved floats or paddle boards.
The nature of my said Invention consists in perforating either wooden or
metal floats or paddle boards so as to affect the strength of such floats or
paddle boards as slightly as possible, and I make the holes to taper from the
side of the float which first strikes the water. The length of the diameter of
the perforation should be about the thickness of the float, tapering to about
one-half of such length. The perforations may be cased with metal tubes
with a flange, or they may be glazed with any adhesive matter, or branded or
charred to prevent wear and preserve from corrosion. In metal floats the
perforations may be made clear, and tubes of the length of about 3 or 4
incles may bo fixed in the perforations, tapering to one-half of the diameter
of the larger end of such tubes, and the diameter of the larger end of such
tubes being about the length of the tube; or two plates of metal may be used
bound together at a certain distance apart, one piece of metal being perforated
with large holes, and the other piece with smaller holes, and tubes being
inserted to carry the water through both pieces of metal. The wooden floats
or paddle boards may be either bolted or banded with bands or straps, either
perpendicularly or diagonally, or they may be bound round the edges with a
band to preserve strength, or otherwise strengthened if necessary. The floats
should be so arranged on the wheel that the perforations in each float should
not be opposite to the perforations of the next or succeeding float, as is shown
in the Figures 1 and 2.
I do not claim simply as the nature of my Invention the making holes
through floats or paddle boards in the manner described; but what I claim is,
the construction of floats or paddle boards, whereby any apertures, holes, or
perforations of any shape or size are made; nor do I confine the perforations
to any particular number, but they should not be greater in number nor of a
larger size than is consistent with a due regard to the strength of the float or
paddle board. The larger end of the perforations, when they are made to taper,
will be on that side of the float or paddle board which first strikes the water;
but for the use of boats which use a rudder at either end, it would be desirable
to taper the perforations from either side of the float to the centre of the
thickness of the float.
The advantages of my Invention, among others, are the following:-That

page_text: the water lifted up by the ordinary floats or paddle boards, which is called the
backwater, and which is a great impediment to the speed of a vessel, and a
strain upon the engine, passes through the perforations of my floats or paddle
boards, and so supplies a body of water for each succeeding float or paddle
board to act upon. By this means the speed of the vessel is increased, and
there is a less consumption of fuel. Also the water passing through the per-
forations fills up instantaneously the hollow caused by the float or paddle
board passing through the water, as shown by dotted line in Figure 3, and
supplies a body of water for the next float or paddle board. Also a greater
surface is opposed to the water by the tapering of the holes when that shape
is adopted.
In witness whereof, I, the said Henry Daniel Deane, have hereunto set
my hand and seal, this Second day of September, in the year of our
Lord One thousand eight hundred and fifty-seven..
HENRY DANIEL DEANE. ..(LS.)
Witness,
JAMES EDELL
7, Cruscent, Minories, London,
Solicitor.