Launching, and Embarkation of Passengers and Raising.
Year: 1887

page_text: Date of Application, 13th Oct., 1887
Complete Specification Left, 13th July, 1888
Complete Specification Accepted, 17th Aug.,
1888
Launching, and Embarkation of Passengers and Raising.
I, ARCHIBALD THOMSON DEWAR, of 16 Stuart Road, Liverpool, in the County
of Lancaster, Freight Clerk do hereby declare the nature of my said invention to be
as follows:
The object of my Invention is to render it possible for a ship to carry a greater
number of boats (than is at present the practice) without taking up more deck room,
and to carry such boats in such a manner that greater facility is provided for
launching, embarking passengers and raising, than in boats hung in davits in the
usual way.
.
To the above ends my Invention consists in so constructing the boats that two, or
more boats can be stowed one inside the other. I construct, or use boats of different
sizes so that the smaller will fit inside the larger; the thwarts and seats and air cases
are so constructed that they will turn on hinges outside in the outer boats, so as to
allow the boats to ship, the smaller into the larger. The first, or inner boat is, as at
present, fully equipped and ready to be launched; the equipment of the other,
or outer boat is secured to the hinged thwarts, or seats in such a manner that.
when these are turned over into their place in the boat and secured, the boat is
equipped.
"
To launch the boats I provide a counter balanced jib, or "jigger provided with a
brake and so constructed and arranged that by swinging over, or raising the jib the
boat which is connected thereto by suitable tackle is lifted out of the containing boat,
or out of the chocks, and by turning the jib can be swung outboard, and by lowering
the jib can be placed in, or near the water, when she is disengaged in any suitable
way by any known gear. The action of the counterbalanced jib is such that
it will return into position for the next boat and its working is controlled by
the brake. The counterbalanced jib is also used to raise the boat out of the water
back into the chocks. The jib can also be used as a gangway from the ship to
the boat

page_text: For example in the carrying out of my Invention, three boats of different sizes
may be used, placed one inside the other. The outer and the middle boats have their
thwarts, seats and equipment turned outside. The inner boat which is the top boat
and the first to be launched may be a boat of ordinary construction.
When it is required to launch a boat the top boat is first taken by the launching
apparatus and after she has been placed in the water, the launching apparatus is
connected to the second boat, the seats and equipment of which have in the meantime
been turned into the boat and secured, and she is launched in like manner, and then
the third boat is taken in the same way.
By stowing boats one inside the other as herein described a ship can carry many
more boats than by the present system (of carrying the boats singly) and without
the boats occupying more deck space. The launching apparatus above set forth can
be made long enough to project the boat well clear of the ships side and by reason of
the launching apparatus being counter balanced the jib leaves the boat as soon as she
is disengaged.

page_text: improvощению
апи сопности
CELL Dave,
Launching, and Embarkation of Passengers and Raising.
1, ARCHIBALD THOMSON DEWAR, of 16 Stuart Road, Liverpool in the County of
Lancaster, Freight Clerk, 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 following statement :—
The object of my Invention is to render it possible for a ship to carry a greater
number of boats (than is at present the practice) without taking up more deck
room, and to carry such boats in such a manner that greater facility is provided
for launching, embarking passengers and raising than in boats hung in davits in
the usual way.
To the above ends my Invention consists in so constructing the boats that two, or
more boats can be stowed one inside the other: I construct or use boats of different
sizes so that the smaller will fit inside the larger; the thwarts and seats and air cases
are so constructed that they will turn on hinges or can be removed outside in the
outer boats, so as to allow the boats to ship the smaller into the larger. The first
or inner boat is, as at present, fully equipped and ready to be launched
the
equipment of the other or outer boat is secured to the separated thwarts or
seats in such a manner that when these are placed in the boat and secured the boat
is equipped.
;
To launch the boats I provide a jib or jibs which may be counter balanced and
provided with a brake and so constructed and arranged that by swinging over, or
raising the jibs the boat which is connected thereto by suitable tackle is lifted out of
the containing boat, or out of the chocks, and by turning the jib or jibs, can be swung
outboard, and by lowering the jib, can be placed in, or near the water, when she is
disengaged in any suitable way by any known gear. The action of the jib may be
such that it will return into position for the next boat and its working is controlled
by the brake. The jib or jibs is or are also used to raise the boat out of the
water back into the chocks. The jib, or jibs can also be used as a gangway from the
ship to the boat.
For example in the carrying out of my Invention, three boats of different sizes may
be used, placed one inside the other. The outer and middle boats have their thwarts,
seats and equipment turned outside. The inner boat which is the top boat and the
first to be launched may be a boat of ordinary construction.
When it is required to launch a boat the top boat is first taken by the launching
apparatus and after she has been placed in the water, the launching apparatus is
connected to the second boat, the seats and equipment of which have in the meantime
been placed in the boat and secured, and she is launched in like manner and then the
third boat is taken in the same way.
By stowing boats one inside the other as herein described a ship: can carry many

page_text: proceed with its description with reference to the accompanying Drawings and
explain more fully the object, construction and operation of the Invention. The
Drawings and the following description of them set forth special construction and
arrangement of boats and apparatus designed to apply and carry out the features of
my Invention the general nature of which has been above explained.
DESCRIPTION OF THE DRAWINGS.
Figure 1 illustrates in side elevation an arrangement of ships boats and apparatus
according to my Invention.
Figure 2 illustrates in end elevation the arrangement of ships boats and apparatus
shown in Figure 1.
Figure 3 is a perspective view of the seats and air cases when removed from a boat
and according to my Invention.
Referring to the Drawings three boats A B and C are shown, the boat B being
placed inside the boat A and the boat C being placed inside the boat B, the sizes of
the boats being such that this can be done. The thwarts D, seats E and air cases F
of the boats A and B are constructed so that they can be removed from the said boats.
For example the thwarts D seats E and air cases F are constructed in the form of a
raft as shown in Figure 3, each raft being fully equiped with. oars, masts, sails and
the usual equipment. The means for securing the structure forming the thwarts,
seats and air cases to the shell of the boat consist of eyes e and bolts e. This device
as will be seen is in the form of a hinge, which if it is desired to turn the seat
structure over and so out of the shell will serve as a hinge therefor. I however
prefer to disconnect the seat structure entirely as shown in the Drawings and when
not in use the said structures with their equipment can be stowed upon one another on
the top of a deck house H. The inner boat C is a boat of the usual construction
equipped in the usual way.
In my Provisional Specification I have stated that I use a counter balanced jib to
lift the boats one out of the other and launch them. I have since found that it is
better to use two "jibs" one at each end of the boat and to lift the "jibs" by means
of a toothed rack and pinion or like gear. Such an apparatus is shown in the
Drawings. J J are the jibs. They are each hinged at i, i to carriages h, h. These
carriages h h slide on upright standards II by means of the toothed racks ¹¹ and
pinions kk. The boat tackles K K are attached to the heads of the jibs J, J and the
lower blocks of the tackles are provided with eyes p through which the bolts m at the
ends of the boat pass. These bolts m, may, to release the boat, be withdrawn in any
suitable way, for example by means of rods n n placed along the gunwale of the boat
and worked by a lever n¹ as shown. To launch a boat the ends of the tackles K K
are secured to the jibs J J and by turning the pinions k k by means of their winch
handles the jibs J J and the boat attached or hung from them is raised until the
boat is clear of the containing boat. The jibs are then swung outboard and lowered
into the position shown in dotted lines in Figure 2 and the boat is then lowered into
the water in the usual way. The boat can be lowered first from the jibs J J into
position to embark the passengers from a lower deck a and then lowered into the
water, or the passengers can enter the boat before leaving the containing boat. After
the boat C has been raised out of the boat B and while the passengers are embarking
in it, the raft B' consisting of the thwarts D, seats E and air cases F of the boat B
are removed from the top of the deck house H and placed in and secured to the shell
of the boat B and then she may be launched, in like manner to the boat C. Again
when the boat B has been removed from the boat A, the raft A¹ consisting of the
thwarts D seats E and air cases F of the boat A is placed and secured therein; she is
then ready for use.

page_text: 1 would have it understood that although I have shown and described a set of jibs
or davits suitable for launching boats when stowed in multiple and according to my
Invention, any suitable known kind of jib or davit may be used to launch the boats
or to place the rafts consisting of the thwarts D seats E and air cases F in the
boats. The said rafts may also be used by themselves as rafts in cases of emergency.
Having now particularly described the nature of my said Invention and in
what manner the same is to be performed I declare that what I claim is :-
First. The construction and arrangement of boats substantially herein described
wherein a plurality of boats are constructed of varying sizes and adapted to be fitted
or stowed one within another.
Second. The construction of boat substantially herein described comprising a shell
and a structure forming the thwarts and seats and with or without air cases, said
structure and shell being provided with means (such as described) for securing the
said structure in place in the shell, whereby boats of different sizes can be either
stowed one within the other, or fitted with seats and thwarts and equipment and
rendered sea going."
"
Third. The structure set forth with reference to the Drawings comprising the
thwarts D seats E and air cases F adapted either to fit into a boat, or to be used as a
separate raft.
Fourth. The apparatus comprising the jibs J J standards II and their operating
gear as set forth with reference to the Drawings for operating a series of boats such
herei
Santh
ARCHIBALD THOMSON DEWAR.
By Cheesbrough & Royston,
15, Water Street, Liverpool,
Patent Agents.
Dated this 12th day of July 1888.
ARCHIBALD THOMSON DEWAR.
By Cheesbrough & Royston,
15, Water Street, Liverpool,
Patent Agents.