IMPROVEMENTS IN APPARATUS FOR LIFTING OR ASSISTING TO LIFT AND FOR SECURING WINDOW SASHES, SHUTTERS, AND OTHER LIKE FRAMES AND WEIGHTS
Year: 1866

page_text: LETTERS PATENT to Strother Price, of Highbury, in the County of
Middlesex, for the Invention of "IMPROVEMENTS IN APPARATUS FOR LIFTING
OR ASSISTING TO LIFT AND FOR SECURING WINDOW SASHES, SHUTTERS, AND
OTHER LIKE FRAMES AND WEIGHTS."
Sealed the 26th March 1867, and dated the 28th September 1866.
PROVISIONAL SPECIFICATION left by the said Strother Price at the
Office of the Commissioners of Patents, with his Petition, on the
28th September 1866.
I, STROTHER PRICE, of Highbury, in the County of Middlesex, do hereby
5 declare the nature of the said Invention for "IMPROVEMENTS IN APPARATUS FOR
LIFTING OR ASSISTING TO LIFT AND FOR SECURING WINDOW SASHES, SHUTTERS, AND
OTHER LIKE FRAMES AND WEIGHTS," to be as follows:-
In the Specification of former Letters Patent granted to me dated
23 November 1864, No. 2924, I described an apparatus consisting mainly
of a spring barrel for lifting or assisting to lift window sashes and other
like frames.
Now the chief object of my present Invention is to enable me, where one
or more spring barrels are employed, to dispense entirely with sash lines, bands,
cords, or chains.
My present improvements consist in forming round the spring barrel, which.
is fitted in any convenient part of the frame, a series of cogged teeth, and in

page_text: fitting in a groove formed in the side of the window sash a rack, the teeth of
which gear into the teeth on the spring barrel. As soon as the sash is com-
menced to be raised the spring of the barrel comes into play, causing the
barrel to rotate, so that the cog teeth by gearing into the rack lift or assist in
lifting the sash. To charge or wind up the spring before putting the barrel
into position I prefer to employ a paul, which as the barrel is rotated takes into
the cog teeth, and prevents the barrel returning in the reverse direction, and
as soon as the barrel is placed in position, and is in gear with the rack, I release
the paul by means of a key or otherwise. To fasten the sash at any required
position I employ a plate fitted at one end with a spiral spring and stud, and
having near the other end a slot or piece cut therefrom corresponding with the
cog teeth; I insert this plate thro' the frame of the spring barrel, and the
spiral spring keeps the full portion of the plate between two of the cog teeth
and prevents the barrel turning; but on pushing the stud so as to press the
plate inwards the slot of the plate comes over the cog teeth, and the barrel is
free to rotate; or to fix the sash I employ a plate with one or more teeth or
projections which take into one or more teeth of the rack. Sometimes I
dispense with the spiral spring, and the plate is then simply drawn out and
pushed in by hand to hold or release the barrel.
In applying my Invention to box shutters the rack will in some cases be
quite free of the cogs on the barrel when the shutter is lowered; in such
cases to prevent the spring unwinding, and thereby losing its power, I fit the
paul before referred to with a spring, which tends to keep the paul engaged
in the cog teeth, so as to prevent the barrel turning; and I make the paul
project so that when the shutter is commenced to be raised the rack or a
projection on the shutter comes against the projecting part of the paul and
lifts it out of the cog teeth until the shutter is again lowered. Any required
number of spring barrels and racks may be fitted to each shutter or window
sash.
My Invention also applies to lifting or assisting to lift other like frames
SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said Strother Price in the Great Seal Patent Office on the
28th March 1867.

page_text: WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Twenty-eighth day of September, in the year of our
Lord One thousand eight hundred and sixty-six, in the thirtieth year of
Her reign, did, for Herself, Her heirs and successors, give and grant unto
me, the said Strother Price, Her special licence that I, the said Strother
Price, my executors, administrators, and assigns, or such others as I, the
said Strother Price, my executors, administrators, and assigns, should at
any time agree with, and no others, from time to time and at all times
thereafter during the term therein expressed, should and lawfully might
make, use, exercise, and vend, within the United Kingdom of Great
Britain and Ireland, the Channel Islands, and Isle of Man, an Invention
for "IMPROVEMENTS IN APPARATUS FOR LIFTING OR ASSISTING TO LIFT AND FOR
SECURING WINDOW SASHES, SHUTTERS, AND OTHER LIKE FRAMES AND WEIGHTS,"
upon the condition (amongst others) that I, the said Strother Price, my
executors or administrators, by an instrument in writing under my, or their,
or one of their hands and seals should particularly describe and ascertain
the nature of the said Invention, and in what manner the same was to be
performed, and cause the same to be filed in the Great Seal Patent Office
within six calendar months next and immediately after the date of the said
Letters Patent.
NOW KNOW YE, that I, the said Strother Price, 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 thereof, reference being had to the Drawings hereunto annexed,
that is to say:-
In the Specification of former Letters Patent granted to me, dated 23rd
November 1864, No. 2924, I described an apparatus consisting mainly of a
spring barrel for lifting or assisting to lift window sashes and other like
frames.
Now the chief object of my present Invention is to enable me where one or
more spring barrels are employed to dispense entirely with sash lines, bands,
cords, or chains.
My present improvements consist in forming round the spring barrel, which
is fitted in any convenient part of the frame, a series of cogged teeth, and in
fitting in a groove formed in the side of the window sash a rack, the teeth of
which gear into the teeth on the spring barrel. As soon as the sash is com-
menced to be raised the spring of the barrel comes into play, causing the
barrel to rotate, so that the cog teeth by gearing into the rack lift or assist in
lifting the sash. To charge or wind up the spring before putting the barrel

page_text: in position I prefer to employ a paul which as the barrel is rotated takes into
the cog teeth, and prevents the barrel turning in the reverse direction, and as
soon as the barrel is placed in position, and is in gear with the rack, I release
the paul by means of a key or otherwise. To fasten the sash at any required
position I employ a plate fitted at one end with a spiral spring. and stud, and
having near the other end a slot or piece cut therefrom corresponding with
the cog teeth. I insert this this plate through the frame of the spring barrel,
and the spiral spring keeps the full portion of the plate between two of the cog
teeth, and prevents the barrel turning, but on pushing the stud so as to press
the plate inwards the slot of the plate comes over the cog teeth, and the
barrel is free to rotate; or to fix the sash I employ a plate with one or more
teeth or projections which take into one or more teeth of the rack. Some
times I dispense with the spiral spring, and the plate is then simply drawn
out, and pushed in by hand to hold or release the barrel.
In applying my Invention to box shutters the rack will in some cases be
quite free of the cogs on the barrel when the shutter is lowered; in such
cases to prevent. the spring unwinding, and thereby losing its power, I fit the
paul before referred to with a spring which tends to keep the paul engaged
in the cog teeth so as to prevent the barrel turning; and I make the paul
project so that when the shutter is commenced to be raised the rack or a pro-
jection on the shutter comes against the projecting part of the paul and lifts
it out of the cog teeth until the shutter is again lowered. Any required
number of spring barrels and racks may be fitted to each shutter or window
sash.
My Invention also applies to lifting or assisting to lift other like frames
and weights.
Figure 1 of the accompanying Drawings is a front inside view and Figure 2
is a side view of a window frame with my apparatus applied to both sashes;
a portion of the frame and lower sash is cut away to show the rack on the
lower sash.
a is a spring barrel fitted in the side of the window frame; this barrel is
formed with cog teeth 6 which gear into the teeth of the rack c fitted in a
groove in the lower sash d; Figure 3, is a plate fitted at one end with a
spiral spring e and a stud f; this plate has a piece cut therefrom at g corre-
sponding with the. cog teeth 6; it is inserted through the front of the window
frame, and a plate h is then screwed over it, as seen to the left of Figure 1,
where the stud f and plate h. belonging to the upper sash are shown. The
plate d also passes through the frame i of the spring barrel a, and the spring ⚫
keeps the full portion of the plate between two of the cog teeth and fastens

page_text: the barrel; but on pushing the stud f so as to press the plate d inwards the
portion g comes over the cog teeth, and the barrel is free to rotate. As before
stated I sometimes dispense with the spring e, and the plate d is then simply
drawn out and pushed in by hand; or to fix the sash I employ a plate with
one or more teeth or projections to take into the rack.
In Figure 4 I give a separate view of a cogged spring barrel, showing a
mode which may be employed in winding or charging the spring before
putting the barrel in position. k is a paul pivoted at to the barrel frame i;
this paul as the barrel is rotated takes into the cog teeth and prevents the
When the barrel is in position and
barrel turning in the reverse direction.
in gear with the rack this paul may be raised on its pivot clear of the cog
teeth.
Figure 5 shows an arrangement which may be applied to box shutters or
otherwise in which the rack will be sometimes quite free of the cog teeth.
The paul k, which may be that used in charging or winding up the spring as
before described, is fitted with a spring m tending to force the paul into the
teeth. The tail n of the paul projects as shown, so that the shutter when up
presses the tail inwards, and thereby releases the paul from the teeth, but
when the shutter is lowered so that the rack is clear of the cog teeth the tail
of the paul k is at the same time freed, and the spring m forces the paul
into the cog teeth so as to lock the barrel.
Figures 6 and 7 represent my Invention applied to the window of a railway
carriage door. Figure 6 is an inside view of the door with the inner panel
removed, and Figure 7 is a section through the line x, x, of Figure 6. Here
the position of the cogged spring barrel and rack are reversed, the barrel a
being carried by a frame on the bottom of the window, while the rack c is
fixed to the door, and is therefore immovable. To fix the window at any
required height I insert in the window a bar or strip of metal p, formed with
holes or recesses, as shewn, into which a spring catch takes; on pressing the
stud o of this catch the window is free to be pushed down by hand or to be
forced up by the spring barrel.
Figure 8 shows a portion of a plate slotted to correspond with the cog
teeth of the spring barrel; this plate, which I call a rack plate, may in some
cases be advantageously substituted for the racks before described.
'
And having now described the nature of my said Invention, and in what
manner the same is to be performed, I declare that I claim as my "Improve-
ments in Apparatus for Lifting or Assisting to Lift, and for Securing Window
Sashes, Shutters, and other like Frames and Weights,"―
First, the combination of a rack and of a spring barrel formed with teeth

page_text: to gear into the rack, substantially as herein-before described and represented
in the accompanying Drawings.
Second, the combination with the toothed spring barrel, or with the rack, of
an appliance or apparatus, substantially as herein-before described and
represented in Figure 8 of the accompanying Drawings, for securing window
sashes or other objects to which the spring barrel and rack are applied.
Third, the combination with the toothed spring barrel of a paul, sub-
stantially as and for the purpose herein-before described and represented in
Figure 4 of the accompanying Drawings.
Fourth, the combination with the toothed spring barrel of a spring paul
having a portion made to project, substantially as and for the purpose
herein-before described and represented in Figure 5 of the accompanying
Drawings.
In witness whereof, I, the said Strother Price, have hereunto set my
hand and seal, this Twenty-eighth day of March, One thousand eight
hundred and sixty-seven.
STROTHER PRICE. (L.S.)