Improvements in the Mode of Applying and Working Window Roller Blinds.
Year: 1897

page_text: PROVISIONAL SPECIFICATION.
Improvements in the Mode of Applying and Working Window
Roller Blinds.
JOHN PARTRIDGE, 50, Victoria Road South, Southsea, Hants, Window Blind
Manufacturer, do hereby declare the nature of this invention to be as follows:-
The invention consists of an appliance, by which one or two rollers (fixed at
about the centre of the elevation of a window opening) the cloth or cloths of
which may be raised by lines worked on each side of blind concurently so con-
nected by pullies that while one cloth is raised the other falls (by the help
of hood irons) at such an angle so that it forms a shield as in the case of Spanish
or similar blinds or by falling straight from the roller covers the window as in
the case of an ordinary roller blind. By arranging pullies at different distances
the top cloth is made to travel farther or less than the bottom cloth or vica versa.
For applying the invention to shop windows the blind is supplied with_a
detachable carrier which enables the blind to be removed when not in use.
using only one roller I double the cloth required to cover the window in half, and
attach the centre at the crease to the roller so that when the roller revolves the
cloth is rolled in the double. To blind the window I carry one end of the cloth
upwards and the other downwards.
In
When I use two seperate rollers, I attach enough cloth to each roller to cover
either half of window, and draw up one, and the other down simultaneously by
means of lines fixed to each corner of the cloth or cloths, and passed over pullies
fixed at either side of the top of the sash frame, thus forming a circuit of cloth
and line.
To outside blinds I make the upper cloth travel further or less distance than the
lower cloth, by having the lines passed through a pulley fixed under the roller
at each side of the blind; then through a sheave pulley fixed at any desired
position on the sides of the hood-iron with its ends secured to the sash frame.
The line is thereby snatched in the double between the first named pulley and
its fixed end, when the hood iron is drawn outward and downward.
For a centraly fixed outside shop blind (worked with either one roller with
the cloth rolled in the double or with two rollers with cloth on each) I provide
two portable rods with a pulley in the top, and an eye to hook same on two hooks,
I fix at the top of sash frame. I pass a line through each pulley, and on the ends
of the cords I have a hook, so as to enable me to attach the line to each corner
of the cloth or cloths; by this means I form a circuit of the line and the cloth,
and as I draw the lower end of blind down, I raise the top simultaneously.
October 18th 1897

page_text: Improvements in the Mode of Applying and Working Window
Roller Blinds.
JOHN PARTRIDGE, 50, Victoria Road South, Southsea, Window Blind Manu-
facturer, 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:-
This invention relates to roller blinds that are attached to and work from the
centre of a window height instead of, being fixed at the, top of window as usual.
To a roller with either a spring in itself or with means associated to revolve same
I attach the blind material required to cover the window. I double the material
into half its length and attach it to the roller at its centre fold, so that it is made
to roll in the double when the roller is revolved.
Then in order to work the blind to cover the window, I make one end of the
blind cloth to ascend and the other descend from the roller by the means of two
lines one on each side which lines I pass over a pully fixed 'at either side of
the top of sash frame, I then fasten the several ends of the side lines to each
of the corners of both ends of the blind material gathered upon the roller by
these means when I pull down the lower part of blind the top is raised simul-
taneously. If desired I divide the blind material into half its length and mount
each half on seperate rollers Fig. 2, F which rollers I fix or suspend to about
the centre of the height of a window opening in the place of one roller, the two
side lines C being applied and used as when using one roller only.
When using two rollers Fig. 2, F with half the length of cloth attached to
each, I vary the amount of cloth I draw off each roller by fixing pullies G to
bottom lath H, (decending cloth B Fig. 2) the lines Care fixed to the ascending
cloth A at position D passed through pullies E and then pullies G and fixed on
hooks or eyes at K. The top cloth will travel the same distance upward as the
length of line from F through G to K when B cloth is drawn.
To make the blind ascend and decend equaly from rollers I detach the ends
of the lines C from K and make fast to G position. When desired I have the
lath H in Fig. 1 & 2 made heavy so as to by means of the side circuit lines to
raise the top cloth A by H being weighted, and I also obtain the same effect by
heavy hood irons to bottom cloths B for outside blinds.
Fig. 1 shews centrally fixed blind with doubled cloth attached and rolled in
the double on one roller F with side circuit lines C attached at D and passed
over pullies E. The running roller M is attached to brackets L to keep rising
cloth A close to window. I may prefer to attach a lath to the brackets L, the 3
same being provided with rollers attached to its edge in place of roller M.
Figr. 2 shews a centrally fixed blind with two rollers, half the cloth being
attached to each the top cloth A being raised more than the lower part B. When
the blind is drawn down the ends of line C being held at K and passed through
pullies G to the top pullies E and attached to top part of blind A at points D, as
B is pulled down A is raised further in proportion to B.
1
Having now particularly described the nature of my said invention and in
what manner it is to be performed I declare that what I claim is :-
ף
1. I claim a roller blind fixed or suspended to about the centre of a window
height and made to work in two directions simultaneously by,n
attached to or near the corners of blind material, thus forming a circuit of line
means of side lines 4
and cloth on each side of blind.

page_text: 2. I claim in a centrally fixed or suspended blind using one roller with the
cloth folded in the double of its length and attached at its centre fold to the roller
and made to roll in the double when the roller is revolved.
3. I claim in a centrally fixed or suspended blind using two rollers working
side by side with the blind material divided in half the length of an opening
and each part attached seperately on each roller in order to be able to vary the
amount of blind material drawn from either or both rollers when associated with
side circuit lines.
4. I claim also a weighted stick, hood iron or any form of weighting to the
decending cloth of a centrally fixed or suspended blind, as a means (by its
falling weight) to raise or assist in raising the assending cloth when the blind
is used.
Dated this Coventoanth day of
1000
JOHN PARTRIDGE.