IMPROVEMENTS IN THE CONSTRUCTION OF REVOLVING IRON SHUTTERS
Year: 1878

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LETTERS PATENT to Barrow Turner, of East Street, Manchester Square, in the
County of Middlesex, Engineer, for the Invention of "IMPROVEMENTS IN THE
CONSTRUCTION OF REVOLVING IRON SHUTTERS."
Sealed the 1st November 1878, and dated the 16th August 1878.
PROVISIONAL SPECIFICATION left by the said Barrow Turner at the Office
of the Commissioners of Patents on the 16th August 1878.
BARROW TURNER, of East Street, Manchester Square, in the County of Middle-.
sex, Engineer. "IMPROVEMENTS IN THE CONSTRUCTION OF REVOLVING IRON
SHUTTERS."
This Invention relates to a peculiar construction of iron shutters, whereby they
are made to form either wholly or partially a guard of round bars.
In carrying out my Invention I use the ordinary hinges applied to revolving
shutters, but in lieu of rivetting each set of hinges up separately so as to form a
sort of chain to which the laths are rivetted in the ordinary manner, I continue
the hinge pins to the full width of the shutter, and dispense with the use of the
laths. Thus the shutter consists of vertical flat chains disposed at convenient
distances, and of horizontal round wires or rods passing through them and forming
the joints of the chains, so that when the shutter is down the window or other
opening is protected by an open guard, which affords efficient protection, and at the
same time allows perfect freedom for ventilation and inspection of the space behind
the window or other opening so protected.
With a view to keeping the vertical chains straight and at their proper distances
apart, and in order to prevent them sliding along the rods which pass through
them, I rivet on a metal lath of the full width of the shutter at intervals, say, of
about twelve inches. The whole is coiled up when out of use on a roller by means
of gearing in the usual manner.

page_text: If desired a portion of the shutter can be constructed in the manner herein-before
described, whilst the remainder is left entirely closed by laths affixed in the usual
way. The horizontal rods I prefer to make somewhat stronger than the ordinary
hinge pins, and they can be made of any diameter suitable to the strength
required.
SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said Barrow Turner in the Great Seal Patent Office on the 12th February
1879.
BARROW TURNER, of East Street, Manchester Square, in the County of
Middlesex, Engineer. " IMPROVEMENTS IN THE CONSTRUCTION OF REVOLVING
IRON SHUTTERS."
My said Invention relates to a peculiar construction of iron shutters, whereby
they are made to form either wholly or partially a guard of round bars.
In carrying out my Invention I use the ordinary hinges applied to revolving
shutters, but in lieu of rivetting each set of hinges up separately so as to form a
sort of chain, to which the laths are rivetted in the ordinary manner, I continue
the hinge pins to the full width of the shutters, and dispense with the use of the
laths. Thus the shutter consists of vertical flat chains disposed at convenient
distances and of horizontal round wires or rods passing through them & forming the
joints of the chains, so that when the shutter is down the window or other opening
is protected by an open guard, which affords efficient protection, & at the same
time allows perfect freedom for ventilation & inspection of the space behind the
window or other opening so protected.
With a view to keeping the vertical chains straight and at their proper distances
apart, & in order to prevent them sliding along the rods which pass through them,
I rivet on a metal lath the full width of the shutters at intervals, say, of about
twelve inches. The whole is coiled up when out of use on a roller by means of
gearing in the usual manner.
If desired a portion of the shutters can be constructed in the manner herein-before
described, whilst the remainder is left entirely closed by laths affixed in the
usual way. The horizontal rods I prefer to make somewhat stronger than the
ordinary hinge pins, & they can be made of any diameter suitable to the strength
required.
And in order that my said Invention may be fully understood, I shall now pro-
ceed more particularly to describe the same, & for that purpose shall refer to the
Figs. on the explanatory Sheet of Drawings hereunto annexed, the same letters
of reference indicating corresponding parts in both the Figs.
Fig. 1 of my Drawings represents in face or front elevation a portion of a
revolving iron shutter constructed according to my said Invention, & Fig. 2 is a
corresponding vertical section of a portion of Fig. 1...

page_text: A, A, are two or more chains, each composed of a series of hinges, as is well
understood, but in lieu of the hinge pins being rivetted up separately & extending
the width of each chain only, they are made to extend the full width of the
shutter, each hinge pin B serving for two or more chains, & forming one of a series
of tie rods, whilst constituting at the same time the rods or bars of an open grating,
which admits of the usual laths heretofore rivetted to the hinges being dispensed
with, as shown in the Drawings; but with a view to properly spacing the chains
of hinges A. I use a single lath C rivetted on at long intervals, as shown.
Having now described & particularly ascertained the nature of my said Inven-
tion & the manner in which the same is or may be used or carried into effect, I
would observe in conclusion that what I consider to be novel & original & therefore
claim as the Invention secured to me by the herein-before in part recited Letters
Patent is, the peculiar construction of revolving shutters, as herein-before described
and illustrated by my Drawings.
In witness whereof, I, the said Barrow Turner, have hereunto set my hand &
seal, this Twelfth day of February, in the year of our Lord One thousand
eight hundred & seventy-nine.
Witness,
EDWIN P. ALEXANDER,
Consulting Engineer & Patent Agent,
14, Southampton Buildings,
Chancery Lane,
W.C.
BARROW TURNER. (L.S.)