A NEW AND IMPROVED APPARATUS FOR TIGHTENING AND How We LOT
Year: 1869

page_text: LETTERS PATENT to Samuel L. Loomis, of South Byron, Tenessee
County, State of New York, United States of America, for the
Invention of "A NEW AND IMPROVED APPARATUS FOR TIGHTENING AND
How We
LOT"
Sealed the 17th May 1870, and dated the 20th November 1869.
PROVISIONAL SPECIFICATION left by the said Samuel L. Loomis at
the Office of the Commissioners of Patents, with his Petition, on
the 20th November 1869.
I, SAMUEL L. LOOMIS, of South Byron, Tenessee County, State of
New York, United States of America, do hereby declare the nature of
the said Invention for "A NEW AND IMPROVED APPARATUS FOR TIGHTENING
AND HOLDING WINDOW SASHES," to be as follows:-
It consists in arranging a traversing slide in a groove in the outside
edge of the sash or shutter resting against elastic rollers placed in
recesses in the bottom of the groove, the bottom of said recesses being
inclined so that when the sash or shutter is raised the rollers will
descend to the deepest part of the recess which is at the lower end; but
when the sash begins to descend the rollers more up the incline, by the

page_text: traversing of the slide are compressed into a narrower space, react upon
the slide and press it against the side of the frame in which the sash
traverses.
In describing my improved deviso I shall refer to the accompanying
Drawings from any part of this Specification, Fig. 1 being a front
view or elevation of a shutter or blank sash with my improved
holder and tightner attached to one side, a. part of the frame
(indicated by dotted lines) being broken out, and a portion of the
sash shewn in section at the depth indicated by tho said line on
Fig. 2; Fig. 2 is a view of the sash as seen edgewise, the slide being
removed from the groove; and Fig. 3 is a view of the slide as placed
in Fig. 1. In Fig. 1 the sash A is represented as in the act of being
raised, and the slide B in the groove G rests upon the elastic rollers
O, C, in the bottom of the inclined recesses D, D, the diameters of the
rollers and the width of the slide being so adjusted that in this position
the slide will be gently pressed against the frame in which the sash
traverses. As soon as the said sash begins to decend the slide B is raised
relatively to the sash by friction against the frame, and the rollers being
thus turned more up the incline, both the slide and the rollers taking
a position like that indicated by red lines. The elastic rollers will
consequently be compressed, and reacting against the slide will press it
against the frame with sufficient force to support by friction the weight
of the sash or shutter. This however may be readily overcome by the
strength of one's hand and the sash raised and lowered at pleasure, being
supported by this device at such height as may be desirable. The
pressure of the clastic rollers will at the same time prevent vibration or
the rattling of the sash or shutter, and form between it and the frame
a tight joint excluding cold air, dust, noise, &c. The lower shoulder of
the slide B striking against the pin E in the groove of the sash, and the
upper shoulder against a fixed block in the upper end of the groove,
confines the traversing of the slide within the narrow limits necessary
for its successful operation. It is obvious that when the sash is pressed
entirely down the rollers and slide will have a position like that
indicated by the red lines or somewhat higher, but as soon as it begins to
rise the slide being held by friction against the frame will descend
relatively to the sash or fall behind, and the rollers descend to the lower
ends or deepest parts of the recesses. There will then be but a slight
resistance from the friction of the slide to the raising of the sash. If

page_text: the sash or shutter be very heavy the groove may be made wider and
the lengths of the rollers increased to give greater pressure, or if this be
in convenient the number of rollers and recesses may be increased. The
slide B should be made of such wood, harder or softer, as may be best
adapted to produce the proper amount of friction in contact with the
frame in which the sash or shutter operatives.
What I claim as my Invention and improvement in the above
described self-adjusting sash holder and tightener is, the traversing
slide B arranged in a groove in the side or edge of the sash with the
mortises D in said groove with inclined bottoms and the rubber or elastic
rollers arranged in the mortises, as described.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Samuel L. Loomis in the Great Seal Patent Office
on the 20th May 1870.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, SAMUEL
L. LOOMIS, of South Byron, Tenessee County, State of New York,
United States of America, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Twentieth day of November, in the year
of our Lord One thousand cight hundred and sixty-nine, in the thirty-
third year of Her reign, did, for Herself, Her heirs and successors, give
and grant unto me, the said Samuel L. Loomis, Her special licence that I,
the said Samuel L. Loomis, my executors, administrators, and assigns, or
such others as I, the said Samuel L. Loomis, 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 "A NEW AND IMPROVED APPARATUS FOR
TIGHTENING AND HOLDING SASHES," upon the condition (amongst others)
that I, the said Samuel L. Loomis, 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

page_text: 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 Samuel L. Loomis, do hereby declaro
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 :-
It consists in fitting a traversing slide in a groove cut in the edge of
the window sash or shutter, and resting against loose elastic rollers
placed in inclined recesses cut in the groove, so that when the sasli or
shutter is raised the rollers will descend to the deepest and lowest part
of the recesses, but when the sash begins to descend the rollers will be
moved up the inclines of the recesses by pressure between the traversing
slide and sash into the higher and narrower part of the recesses and
press the slide against the window frame with gradually increasing
force until the friction overcome the weight of the sash.
may thus be held at any desired height until extra force or weight, such
as the pressure of one's hand, for example, be applied to the sash.
The pressure of the clastic rollers and slide will also exclude dust,
draught, noise, &c., and prevent vibration or rattling of the sash or
shutter.
The sash
In further describing my Invention I refer to the accompanying
Drawings forming part of this Specification.
Figure 1 is a front view or elevation of one side of a sash, a part of
the frame being broken out and a portion of the sash with my apparatus
applied shown in section; Figure 2 is a side elevation of the sash
shewing the edge of the sash grooved for the reception of the traversing
slide and the inclined recesses containing the elastic rollers; Figure 3 is
a front elevation of portions of the sash in section showing the portion
of the rollers when at rest and the slide removed; Figure 4 is fi per-
pendicular section of the slide; Figure 5 is a transverse section of the
slide.
In Figure 1 the sash A is represented in the act of being raised.
The diameter of the rollers C, C, and the size of the slide B are so
relatively adjusted that in this position the slide will be pressed gently
between the rollers now occupying the lowest and widest part of the
recesses and the window frame D. As soon as the sash A begins to
descend the slide B will be held in position by friction against the

page_text: frame D relatively higher than the sash A, and the rollers C, C, being
thus turned by friction will be rolled and compressed into the narrower
and higher parts of the recesses, and the sash slide and rollers assume a
position similar to that indicated by dotted lines. The pressure or
friction thus caused will overcome the gravity of the sash. This
pressure or friction may, however, be readily overcome by the applica-
tion of one's hand and the sash be raised or lowered at pleasure. It
will be evident that the amount of pressure is largely dependent upon
the distance the rollers are allowed to travel up the inclines of the
recesses; this is governed by blocks E, E, (Figure 2) in the bottom and
top of the groove so adjusted as to confine the action of the traversing
slide within the required space by impingement of the shoulders of the
slide against them.
The number, diameter, and depth of rollers and depth and width
of recesses and slides and distance apart of the blocks or pius may be
increased or diminished according to the weight of the sash to bo
sustained or other circumstances governing the successful operation of
the Invention.
I claim as my Invention the traversing slide arranged in a groove in
the side or edge of the sash provided with inclined recesses or mortises
cut therein and the clastic rollers working in the said recesses, as herein
set forth and described.
In witness whereof, I, the said Samuel L. Loomis, have hereunto
set my hand and seal, this Sixteenth day of May, in the year of
our Lord One thousand eight hundred and seventy..
SAMUEL L. LOOMIS. (L.S.)