IMPROVEMENTS IN THE CONSTRUCTION OF METAL SHUTTERS
Year: 1850

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, I, ALFRED
VINCENT NEWTON, of the Office for Patents, 66, Chancery Lane, in the County
of Middlesex, Mechanical Draughtsman, send greeting.
WHEREAS Her present most Excellent Majesty Queen Victoria, by Her
Royal Letters Patent under the Great Seal of Great Britain, bearing date at
Westminster, the Twenty-seventh day of December, in the fourteenth year of
Her reign, did, for Herself, Her heirs and successors, give and grant unto me,
the said Alfred Vincent Newton, Her especial license, full power, sole privilege
and authority, that I, the said Alfred Vincent Newton, my exors, adñiors, and
assigns, and such others as I, the said Alfred Vincent Newton, my exors,.
admors, or assigns, should at any time agree with, and no others, from time to
time and at all times during the term of years therein mentioned, should and
lawfully might make, use, exercise, and vend, within England, Wales, and the
Town of Berwick upon Tweed, and in all Her Majesty's Colonies and Plan-
tations abroad, and in the Islands of Jersey, Guernsey, Alderney, Sark, and
Man, an Invention of "IMPROVEMENTS IN THE CONSTRUCTION OF METAL SHUTTERS,"
being a communication from a foreigner residing abroad; in which said
Letters Patent is contained a proviso obliging me, the said Alfred Vincent
Newton, by an instrument in writing under my hand and seal, particularly to
describe and ascertain the nature of the said Invention, and in what manner
the same is to be performed, and to cause the same to be inrolled in Her
Majesty's High Court of Chancery within six calendar months next and
immediately after the date of the said in part recited Letters Patent, as in
and by the same, reference being thereunto had, will more fully and at large
annear

page_text: NOW KNOW YE, that in compliance with the said proviso, I, the said
Alfred Vincent Newton, do, hereby declare that the nature of the said Invention,
and the manner in which the same is to be performed, is particularly described
and ascertained in and by the following description thereof, reference being
had to the Drawings hereunto annexed, and to the letters and figures marked
thereon (that is to say):-
This Invention of Improvements in the Construction of Metal Shutters, as
communicated to me by my foreign correspondent, consists in the formation
of the joints of window and other shutters made of plates or strips of iron,
whereby a light economical shutter, capable of being rolled up around a cylinder,
and being stiff and durable, may be produced.
In the accompanying Drawing forming part of this my Specification, Fig. 1
represents in perspective view the improved metal shutter, as applied to a
window frame; Fig. 2 is an enlarged view of two plates or strips of iron,
shewing their mode of connection with each other; and Fig. 3 is an end view
shewing the shutter wound around the roller; the roller with the counter-
balance weight and the endless chain for moving the shutter are represented
in the perspective view, Fig. 1.
The construction of the shutter is as follows:-Strips of thin metal of suit-
able width and breadth for the intended shutter have their connecting ends
bent round in opposite directions, as shewn at Fig. 2, where two plates are
represented in section. The curve a, it will be seen, is carried round further
than that lettered b, and encloses an iron bar, rod, or wire c, which fills up the
centre of the joint, and removes the liability of its being injured by indentation.
The portion 6 is formed to lock into the curve a, as shown by the same Figure,
and in order to unite them, the part b must be slidden lengthwise into the part
a, when they will form a joint that permits of the shutter being wound upon a
cylinder. To prevent them from sliding out of place and binding, the ends of
the wire are projected through the ends of the joints, and turned down,. as
shewn at Fig. 3, after the strips or plates are, united, whereby they are held
securely in their place; and to cover the bent ends of the wire, and add to the
strength of the joint by preventing any lateral motion of the plates on each
other, and also to make an even edge to the shutter, so that it shall slide
smoothly in the window frame, the plates are each provided with two pro-
jecting pieces of metal or ears d, which are bent down at right angles over the
joint, and thereby keep the plates in their place, and make a neat finish. The
vertical edges of the shutter run in grooves e in the window frame (see Fig. 1),
which guide the shutter up and down. It will be perceived, that in addition
to the end pieces d giving firmness to the shutter, they will prevent the several

page_text: plates from catching as they pass from the cylinder or roller on which they are
wound into the grooves of the window frame. The shutter is attached in the
usual way of metal shutters to the roller f, which is hung at the top of the
window frame in suitable bearings, and is provided with two pullies g and h,
one on each end thereof. To the pully g, a weight i is attached by means of
a cord k, which weight acts as a counterbalance to the shutter; around the other
pulley h, an endless chain or cord passes down to a pulley m in the inside of
the window frame, the axis of which pulley passes through and has a crank n
affixed to it for raising and lowering the shutter. For greater security the ends
of the plates forming the vertical edges of the shutter may be bent at right
angles, and made to fit into L shaped grooves, and thus prevent forcible in-
gress by springing the shutters out of place. This mode may be applied with
advantage to the lower windows of buildings.
Having thus fully described the Invention, as communicated to me by my
foreign correspondent, I wish it to be understood, that under the above in part
recited Letters Patent I claim, the constructing of metal shutters by connecting
together the plates or strips of metal by joints formed as above described.
In witness whereof, I, the said Alfred Vincent Newton, have hereunto set
my hand and seal, this Twenty-seventh day of June, in the year of our
Lord One thousand eight hundred and fifty-one.