Hinged Iron or Steel Shutter.
Year: 1894

page_text: Date of Application, 17th May, 1894
Complete Specification: Left, 18th Feb, 1895-Accepted; 6th: Apr:;: 1895-
Hinged Iron or Steel Shutter Longitudinal. Bulkheads or
"Shifting
Boards” for Ships Carrying Cargoes of Grain or Seed
I. GEORGE JACKSON HAY of Leadenhall Chambers, 4, St. Mary Axe,
London, Shipowner do hereby declare the nature of this invention to be as
follows:-
The object of my invention is to.. provide permanently hinged shutters for
forming the longitudinal grain tight divisions or "shifting boards" required under
the Carriage of Grain Act so as to ensure greater strength, safety, durability, and
convenience, than the temporary fittings at present used for compliance with the
above named Act by vessels carrying grain or; seed; and .so that when such
divisions or "shifting boards" are not required, the shutters may be opened up
overhead to the deck beams above, and; be there secured out of the way until
again required for forming longitudinal divisions or shifting boards."
1
In carrying my invention into practical effect, the spaces between the beams
along the centre line of the vessel fore and aft in the hold or space where grain or
seed is to be carried will be permanently filled in grain tight from the underside of
deck or decks resting on.such beams, down to the lower edge of said beams with
plate iron or steel which will be necessary if no beam tie-angles:or plates already
exist to fill in such spaces; in. the construction, of any vessel, and to the lower
edges of these filling in or beam tie angles or plates, shutters will be hinged, of
convenient lengths and of the depth which the longitudinal divisions or
"shifting
boards" are required under the Carriage of Grain Act according to the various
dimensions and construction of vessels..
The shutters are to be constructed of ordinary plate or corrugated iron or steel,
and will overlap each other about three inches where divided. in length.. When
the shutters are hanging down to form longitudinal divisions or "shifting: boards"
they are to be bolted together with removeable screw-bolts and nuts, and made
grain tight and they will also be secured and steadied in some efficient: and the
most convenient manner according to circumstances, to the stanchions: (extending
downwards from beams: to beams or to: the bottom of the vessel) against which
they will rest. When longitudinal divisions; or shifting boards are not
required, the shutters, will be unbolted and opened up out of the way overhead
against the underside of beams and.. be there secured until again wanted..by
swinging hooks attached to the beams upon which the outer or lower edges of
the shutters will rest, and may be made additionally safer by screw bolts passing
through the ends of the hooks and holes in the shutters secured by nuts
Any suitable means may be employed for raising or lowering the shutters
forming the longitudinal divisions.

page_text: Hinged Iron or Steel Shutter Longitudinal Bulkheads or
"Shifting
Boards" for Ships Carrying Cargoes of Grain or Seed.
1, GEORGE JACKSON HAY of Leadenhall Chambers, 4, St. Mary Axe,
London, Shipowner, do hereby declare the nature of this invention and in what
manner the same is to be performed, to be particularly described and ascertained
in and by the following statement :-
My invention relates to hinged iron or steel shutter longitudinal bulkheads or
"shifting boards" for ships carrying cargoes of grain or seed, and has for its
object to provide permanently hinged shutters for forming longitudinal grain tight
divisions or "shifting boards" required under the Carriage of Grain Act, so as to
ensure greater strength, safety, durability, and convenience, than the temporary
fittings at present used for compliance with the above named Act, by vessels
carrying grain or seed; and so that when such divisions or "shifting boards are
not required for use, the shutters may be opened up overhead to the deck beams
above, and may be there secured out of the way until again required for forming
longitudinal divisions or "shifting boards."
"
In carrying my invention into practical effect, the spaces between the beams
along the centre line of the vessel, fore and aft, in the between decks and holds or
spaces where grain or seed is to be carried, will be permanently filled in grain
tight from the top of such beams, down to the lower edge of the said beams,
with plate iron or steel, where no beam tie angles or plates already exist in the
construction of the vessel to fill in such spaces, and to the lower edges of these
fillings in or beam tie angles or plates, shutters will be hinged of convenient
lengths and of the depth which the longitudinal divisions or "shifting boards'
are required, or they can be arranged according to the various construction of
vessels.
66
"
The shutters are simply plates of iron or steel plain or corrugated of the
thickness necessary, or strengthened according to the size and strength required,
and will overlap each other about three inches where divided in length. When
the shutters are hanging down to form longitudinal divisions or shifting boards,"
they are to be bolted together with a suitable number of removable screw-bolts
and nuts, and made grain tight; they will also he secured and steadied in some
efficient and the most convenient manner according to circumstances, to the
stanchions, (which extend downwards from the beams) against which they will
rest. When the longitudinal divisions or "shifting boards" are not required for
use, the shutters will be unbolted and opened up out of the way overhead,
against the underside of the beams, and be there secured until again wanted by
swinging hooks attached to the said beams, upon which the shutters will rest, and
may be made additionally safe by screw-bolts passing through the ends of the
hooks, and holes formed in the edge of the shutters, and secured by nuts.
The shutters can be raised and lowered by hand, or any suitable and well known
means may be employed for raising and lowering them when they are of extreme
lengths.
In order that my invention may be more fully understood I will now proceed
to describe same with reference to the accompanying sheet of drawings, in which
Fig. 1 is a cross section through the hold of a double decked ship fitted with my
improved hinged longitudinal shutters or " shifting boards," Fig. 2 being a
diagrammatic view of a ship further illustrating my invention.
Fig. 3 is a detail of a deck and deck beams drawn at an enlarged scale showing
the filling in plates.
Like letters of reference indicate corresponding parts throughout the drawings.

page_text: In order to fit a vessel with my improved hinged longitudinal shutters]lor
"shifting boards," the spaces between the beams b of a deck d are suitably filled
in with plates of iron or steel p' bolted or secured to the aforesaid beams in any
suitable and convenient manner, but where the ships are already fitted with beam
tie angles or plates these preliminary fittings will not be necessary.
To the lower edges of the filling in plates, or beam tie angles or plates, where
they exist, are hinged longitudinal shutters or plates p which overlay one another
about three inches, as shown at g (Fig. 3) and are bolted together by removable
screw-bolts and nuts m. The said plates when required for use are bolted together
at their edges as hereinbefore described and rest or bear against the stanchions s
to which they will be secured in any efficient and convenient manner, such as by
the use of bolts and nuts etc., thus forming a longitudinal division or space H
between decks and holds where the grain or seed is carried, in accordance with.
the requirements of the Carriage of Grain Act.
When the plates are not required for forming longitudinal divisions or shifting
boards they can be unbolted at the edges where they overlap and be opened up out
of the way overhead, against the underside of the beams, to which they are
secured until again required for use by means of swinging hooks c.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed, I declare that what I
claim is:-
The hinged shutters for forming longitudinal divisions or "shifting boards" for
ships carrying cargoes of grain or seed, in accordance with the requirements of
the Carriage of Grain Act, substantially as herein described and shown, and for the
purposes specified.
1
11 1
11:00
Dated this 14th day of
February 1905.
F. G. CASSELL,
Of Cassell & Co.,
22, Glasshouse Street, Regent Street, London, W.,
Agent for the Applicant.