AN IMPROVED APPARATUS TO BE USED IN CONJUNCTION WITH WINDLASSES ON SHIPS, CRANES ON LAND, AND WITH OTHER MACHINERY FOR RAISING OR LOWERING WEIGHTS, FOR THE PURPOSE OF GUIDING AND CON- TROLLING THE ACTION THEREOF
Year: 1855

page_text: LETTERS PATENT to George William Garrood, of Burnham, Essex, for
the Invention of "AN IMPROVED APPARATUS TO BE USED IN CONJUNCTION
WITH WINDLASSES ON SHIPS, CRANES ON LAND, AND WITH OTHER MACHINERY
FOR RAISING OR LOWERING WEIGHTS, FOR THE PURPOSE OF GUIDING AND CON-
TROLLING THE ACTION THEREOF."
Sealed the 13th July 1855, and dated the 17th January 1855.
PROVISIONAL SPECIFICATION left by the said George William Garrood
at the Office of the Commissioners of Patents, with his Petition, on the
17th January 1855.
I, GEORGE WILLIAM GARROOD, of Burnham, Essex, do hereby declare the
nature of the said Invention for "AN IMPROVED APPARATUS TO BE USED IN
CONJUNCTION WITH WINDLASSES ON SHIPS, CRANES ON LAND, AND WITH OTHER
MACHINERY FOR RAISING OR LOWERING WEIGHTS, FOR THE PURPOSE OF GUIDING AND
CONTROLLING THE ACTION THEREOF," to be as follows:-
My Invention consists of an apparatus to be used in conjunction with
windlasses, capstans, cranes, and other machinery used for raising, lowering,
and guiding weights and heavy bodies. It consists of a barrel, having a groove
around it, made with angular sides, and a notch or channel in the centre, to
receive each alternate link of the chain. When used in conjunction with a
ship's windlass, it should be placed forward, or in front of the windlass, and

page_text: fitted to strong "bits" or supports, similar-to-the windlass "bits." The barrel
is to be put in motion by means of cog wheels in, gear with a wheel on the
windlass barrel, so as to travel with it, or by other suitable mechanical means,
so arranged that the barrel may be readily thrown into or out of gear with
the windlass. The apparatus is also provided with a friction strap, or other
mechanical equivalent, attached to a lever, to be actuated by the foot or other-
wise, for the purpose of checking the speed of the barrel when the cable is
running out. The sides of the groove in which the vertical links are wedged
are made so that they may be driven up closer together as they are worn by
the friction of the chain. With slight modifications, this apparatus may be
adapted to capstans and cranes for preventing the slipping of the chain and
controlling its speed, and to machinery for planing slate and other similar
purposes where a portion of the machinery has to be moved to and fro. by an
endless chain. I reserve the right to vary the details of the apparatus as
required.
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said George William Garrood in the Great Seal Patent Office
on the 17th July 1855.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, GEORGE
WILLIAM GARROOD, of Burnham, Essex, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Seventeenth day of January, in the year of our Lord
One thousand eight hundred and fifty-five, in the eighteenth year of Her
reign, did, for Herself, Her heirs and successors, give and grant unto me,
the said George William Garrood, Her special licence that I, the said George
William Garrood, my executors, administrators, and assigns, or such others
as I, the said George William Garrood, my executors, administrators, and
assigns, should at any time agree with, and no others, from time to time and
at all times thereafter 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 "AN IMPROVED APPARATUS TO BE USED IN CONJUNCTION WITH WINDLASSES ON
SHIPS, CRANES ON LAND, AND WITH OTHER MACHINERY FOR RAISING OR LOWERING
WEIGHTS, FOR THE PURPOSE OF GUIDING AND CONTROLLING THE ACTION THEREOF."
upon the condition (amongst others) that I, the said George William Garrood,
by an instrument in writing under my hand and seal, should particularly

page_text: describe and ascertain the nature of the said 'Invention, and in what manner
the same was to be performed, and cause 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 George William Garrood, do hercly
declare the nature of my said 'Júvention, and in what manner the same is to
be performed, to be particularly described and ascertained in and by the
following statement
My Invention consists of an "apparatus to be used in conjunction with
windlasses, capstans, cranes, and other machinery used for raising, lowering,
and guiding weights and heavy bodies. The apparatus consists of a grooved'
barrel, over which the chain travels. The groove is made to clip and firmly
hold each alternate (or vertical)' link of the chain in such manner as to hold
the chain quite fast; a break is fitted to the' apparatus, so that' in running
out the chain, the speed may be regulated as required, or stopped altogether,
if necessary. By these means the cables of ships would at all times be under
perfect control, and accidents arising from the slipping of the chain and other
like causes would be avoided. This apparatus is applicable also to capstans,
cranes, and other machinery where it is necessary to control the speed of a:
chain or prevent its slipping; it would also be found a very useful addition to
machinery for planing slate, also for pile driving, and other similar purposes
where a portion of the machinery has to be moved to and fro by an endless
chain.
.
But in order that my Invention may be clearly understood. I will proceed
to describe the same in detail, reference being had to the Drawing accompany->
ing this Specification, and to the letters and figures marked thereon.
Fig. 1 is a front view of the apparatus; Fig. 2, a side view; and Fig. 3, a
plan of the same; and in the following description the apparatus is supposed
to be used in conjunction with a ship's windlass. A, A, are the standards, which
must be firmly bolted or otherwise secured to the deck or, timbers of the ship;
B is the barrel or axle; C, the groove in which the chain lies; the lower part
of each vertical link of the chain sinks into the central groove c', and the
horizontal links lie within the raised edges c". D is a cog wheel, in gear
with the pinion E, by which the wheel is driven. Upon the outer end of the
axis of the pinion E is another pinion F, which is made to gear with a wheel
on the windlass, so that both the windlass and the wheel D shall travel at the
same speed. G is a metal band, which encircles, the barrel and acts as a
break, either to regulate the rotary speed of the barrel, or suddenly to stop
it when letting go the chain; the band G is attached to a lever G', fastened

page_text: to the deck; upon pressing the lever G' with the foot, the break G presses
with considerable force upon the barrel, thereby checking its speed or stopping
it at once, according to the amount of pressure applied. II is a lever, which
moves to and fro in the guides h¹, ¹; one end of this lever is secured to the
axle carrying the pinion E; a stud on the other end of the lever passes through
a hole in the handle I. The axle of the pinion E moves in a slot, and by
moving the handle I, which is secured at its lower end to the framing A, it
carries the lever H forward, throwing the pinion E out of gear with the wheel
D; this liberates the barrel of the apparatus, which will then rotate freely
when letting go anchor or paying away chain, but may be instantly checked
by the break G, if required. The chain from the windlass passes over the
barrel K from the windlass, again round the groove C from the windlass,
again over the barrel at B to the hawse hole. Although the upright or vertical
links of the chain are firmly held by the groove c', it does not in any way
impede the travelling of the chain. As the barrel rotates, the links readily
disengage themselves from the groove; in bringing in chain it prevents all
fleeting and surging.
Having described the nature of my Invention, and the manner of carrying
the same into effect, I wish it to be understood that I do not confine myself to
the precise arrangement of the details as herein described and shown, as the
same may be varied without departing from the principle of my Invention;
but what I claim, and desire to secure by the herein-before in part recited
Letters Patent, is, the construction of the apparatus herein-before described
and shown, and its application to or use in conjunction with windlasses,
capstans, cranes, and other machinery for raising, lowering, moving, or holding
heavy weights, for the purpose of guiding or controlling the action of such
machinery.
In witness whereof, I, the said George William Garrood, have hereunto
set my hand and seal, this Sixteenth day of July, in the year of our
Lord One thousand eight hundred and fifty-five.
Witness,
CHARLES JOHNS,
GEORGE WILLIAM GARROOD. (L.S.)
89, Chancery Lane.