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Патент USA US2408139

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Sept. 24, 1946. "
Filed 001;. 28. 1944
N7.ENZ a
-.E'miZ Gutoski '
Patented Sept. 24, 1946
1' UNnED
3‘ trnmowinnow soRuENrsnrronrn-NG ' ,
‘Emil ‘Gutoski, Cigémbm- >
Application October 28, 1944, Serial No. 560,188
3 Claims.
(Cl. 160——369)
:of the grooves wider thanthe outer ,portion' out
My invention relates to sliding screens for win
dows and particularly to'improved arrangement
side >of the grooves-so that, ifthe particular
for co-operatio-n of the screen sash with ‘guide
~ screen which had been ?tted for ‘a particular
rails on the window frame ‘tor preventing acci
_ dental outward displacement of the :screen from "a
“the guide rails and falling :of the :screen -:out of
the window frame.
A usual wayof ?tting .screens'to wooden win
dow frames is toxn-ai'l guide strips :or rails :tozthe
sides of the windowtframe, and‘tozprovide‘grooves
window were replaced :by a screen of narrower
width; the comparatively wide inner tongues of
the sash-will maintain extended contact with
the guide rails to hold the screen against acci
dental outward displacement from the window
by pressureagainstthe insidethereof. . ,
- My invention will be fully understood by ref
erence to the drawing, in which:
" in the side edges of 'thes'creen sash for receiving
Figure 1 is a front elevation of a windowvstruc
the rails ‘50 that the screen may bereadily .slid'v
ture on which my improved screen supporting
r-vertically ‘on the trails for support in ‘the window
arrangement is applied;
‘frame ‘or to be, withdrawn therefrom. It fre
Figure 2 is an enlarged ‘perspective view of
quently happens that ‘when the screens are to ‘be 715
a portion of the side rail of a screen sash;
applied to the windows of a house at the begin
Figure 3 is a perspective view of a portionof '
ningof a summer season, the screens Willi-not all
a guide rail;
be reapplied to the respective window frames for
.Figure 4~is an enlarged section on plane IV-IV
which they were ‘originally ?tted. Sometimes .a
screen which is somewhat :narrower than the 5-20 Figure 1; and
‘‘Figure his a cross-sectional view showing the
right screen ‘for a window vframe is inadvertently
prior art type of guide rail and sash over which
applied to the window frame. v‘Under :such con
my invention isan improvement.
ditions the guide strips on‘ that window frame
:Referring ?rst to Figure 5, I have shown a
may not aiford sul?cient abutment :at all times
to prevent accidental outward displacement ,of 125 type of guide strip which has been in common
use. This strip is usually of wood and .of T
the sash from the window frame, and .it has fre
quently happened that an improperly supported
shaped ‘cross ‘section, comprising the rectangular
base ID with theguide leg or bead H extending
screen ‘has been subjected 'to accidental outward
therefrom, the strip .being secured to the sides
pressure by a child leaningthereagai'nst result-7
'ing in release of the screen from the rails and 30 of a window frame usually by nailing. The side
vwalls 12 of the wooden sash of the screen were
falling of the child‘out :of the ‘window.
heretofore provided with the longitudinally ex
‘Heretofore the guide strip .or rail usually used
tending grooves I3 :but with the inner and outer
was of T-shaped cross section, that is, comprising
tongue portions l4 ‘and I5 at opposite sides of
a rectangular .base for seating against the side
of the window frame and with the leg or’ guide , i the grooves of equal width. When a sash is
v?tted for a particular window, the inner and
bead extending inwardly to ‘receive the groove
tongue ‘portions l4 and IE will engage with
in the edge of the screen sashr ‘However, in such
the base portion is of the guides at opposite
grooved screens heretofore used, the width of
sides of the beads 1H. However, it frequently
the screen at opposite sides .of the grooves was
the same, that is, the tongues at opposite sides 40 happens that, when the screens for a house are
installed at the beginning of a summer season,
of the grooves were of equal width. Therefore
the screen originally dimensioned‘for a certain
when a screen which was not .of the-proper width
window will not .beinstalled, but a screen for
was inadvertently vapplied to ‘the guides in a
some other window and which is of less width.
frame, lateral edgewise displacement of the
will be installed. ‘Now, should this wrong screen
_ screen in the frame'would ~bring the edge of the
become displaced laterally edgewise in the win-_ '
inside tongue ofthe screen close to or outside
dow frame with one edge against the rail at one
of the usually rounded end of the guide ‘bead
of the frame, then, as shown on Figure 5,
so that comparatively very little ‘outward pres
the vends :of the tongues at the other edge of
sure against the screen would result ;in outward
the screen may .be so far displaced from the base
displacement of the screen from the frame.
In of the guide strip that the inner edge of the
In accordance with my invention I provide
‘inner tongue I4will be close to the usually round
guide strips of L-shaped cross section and secure
.ed ‘end of the bead »l I so that/any abnormal pres
the guides to the sides of thewindow frame with
sure outwardly against the screen would cause
their base portions extending .routwardly; andv
with the ‘width of the screen :at the inner side .55 it. to swing out away from the guide strip and
fall out of the window frame. This wrongful
installing of screens in window frames has fre»
quently resulted in accidents, as children climb
ing onto the sill of the window, or leaning out
over the sill, may exert pressure against the
screen which will readily give under such pres
sure and together with the child will fall out of
the window frame.-
Figure 1 shows a window to which my improved
stalled in such frame, the screen sash will be held
against outward displacement under pressure
against the inside thereof, this resulting in avoid
ance of accidents which might otherwise occur,
as for example, with guide strip arrangement
heretofore used and shown on Figure 5.
I have thus produced an improved sliding in
.terconnection between. a. .sash .and Ya window
frame (‘which will hold a sash against outward dis
placement from thewindow frame even though
guides and sash have been applied, the screen 10
the width of the inserted sash is considerably
S being in the lower part of the window frame,
" ' ‘ less than that of the sash intended for such win
to close down against the sill l6.
1dowfframe;f1'My improved interconnection may
I1 Referring
is vertically
to slidable
Figure 4,between
the‘ lower
the window
side walls- I8
‘.be'iinstalled without any increase in cost over
that .of prior interconnections such as have been
of the window frame under guidance, ofouter
and inner strips 19 and 20. The screen S is ap- " referred to hereinbefore.
plied to the opening 2| between the side ‘walls 22 ‘
-It will, of course, be understood that various
details of construction may be varied through a
of the casing forming the outer side of the Wine
wide range without departing from the principles
dow framework.
Instead of using guide strips of T-shaped cross 20 of this invention and it is, therefore, not the pur
pose'to limit the patent granted hereon otherwise
section, as shown on Figure 5, I use guide strips
than necessitated-by the scope of the appended
of L-shaped cross section comprising the base 23
and the guide leg or bead 24 extending therefrom.
Y -I claim as my invention:
The guide strips are secured, as by nails 25, to
»1. Interconnection between a sliding sash and
the inner edges of the casing boards 22 with the 25
a window frame comprising guide strips of L
base legs 23 extending outwardly, as shown on
Figure 4.
shaped cross section secured to the sides of the
window frame with their base legs thereagainst
and with their other legs extending inwardly
the longitudinally extending groovesZ'l in their
from the inner ends'of the base legs to provide
outer edges for receiving the guide beads or legs
guide beads, and providing a strip with a sash
24 of the guide strips, with the inner and outer
bearing surface which is the thickness of the strip
tongues 28, 29 at opposite sides of the'grooves
base plus the thickness of the other leg, longitu
engaging with the inner and outer sides of the
dinally extending grooves in the respective side
guide strips. When the screen sash is made for
edges of the sash for receiving said guide beads,
a certain window frame, the width of the sash
the sash at-the inner side of said grooves being
will be made such that the ends of the inner
of a width substantially equal to the distance
tongue 23 will engage with the inner edges of the
between the walls of the frame to which said
casing boards 22, and the outer tongue 29 will
engage with the base portions 23 of the guide
guide strips are secured, and the width of the
strips, as shown at the right of Figure'll. Thus, 40 sash at the outer side of said grooves being sub
stantially equal to the distance between the base
when a sash has been originally ?tted into a
legs of the guide strips, whereby extended abut
certain window frame or is reapplied to the same
ment engagement will be maintained between
Window frame after-removal thereof, the wide
inner tongues 28 of the sash will be in engage
said guide strips and the sash at the inner side
ment with the inner side of the base portions 23 45 of said grooves for preventing outward displace
The side members 26 of the screen sash have
of the guide strips as well as the inner side of
ment of the sash from the ‘window frame ‘under
pressure against the inner side thereof.
the guide strip legs or beads 24, while the nar
rower outer tongues will be in engagement only
2. An interconnection between a sliding sash
and a, window frame comprising guide strips of
with the outer sides of the 'guide strip beads.
With this comparatively long extent of engage 50 L-shaped cross section respectively secured to the
opposite side walls of the frame with their base
mentof the inner tongues 28 with the guide strips,
legs thereagainst vand with their other legs at the
screen sashes of less width than the sash orig
inally ?tted for a certain window frame may be
inner ends of the base legs extending toward each
other to provide guide beads and providing a strip
applied to such frame without danger of outward
displacement of the sash from the window‘frame,
with a sash bearing surface which is the thickness
of the strip plus the thickness of the other leg,
as the wide inner’ tongues 28 will maintain suf?
cient extent of engagement with the guide strips
the‘ opposite edges of the sash being cut to‘ pro
vide ‘guide grooves for receiving said guide beads
to prevent such outward displacement. Figure 4
shows the application to a window frame of a
and to leave short guide tongues at the outer side
screen sash whose width is considerably less than 60 of 'said'grooves for engaging with the outer sides
of the guide beads and longer guide tongues at
the width of the sash originally ?tted for such
the inner side of the grooves for engaging with
window frame. The inserted sash, even if shifted
edgewise to one side of the opening 2|, will main
the inner side of the base and guide bead of said
guide strips throughout the strip bearing sur
tain sufficiently extended engagement of the
tongue 28 at the other edge with the correspond 65 faces, whereby extended abutment engagement is
ing guide strip to prevent outward displacement
maintained between'said long tongues and said
guide strips vupon lateral edgewise shift of said
of the screen sash from the window frame. As
sash away from either of said guide strips and
shown on Figure 4, the screen sash outer tongue
29 at the left edge thereof might permit inward
outward displacement of the sash from the frame
swing of the screen sash, but the corresponding 70 under pressure against the inner side of the sash
inner tongue 28 will be in extended abutting en
will be prevented.
gagement with the corresponding guide strip to
3. In the combination of a’ window frame and
prevent outward swing of the screen sash. Thus,
a‘slicling screen, guide strips of L-shape fastened
even though a screen sash of less width'than that
to the side walls of the frame along their-outer
for a certain window frame be inadvertently in-~ '
imargins with the bases of the strips towards the
outer wall margins and the beads extending at
right angles to the side walls, said strips provid
and the tongues engaging with the outer bearing
surfaces of the strip beads being substantially the
ing inner screen sash bearing surfaces which
include the cross-sectional thickness of the bases
plus the inner side surfaces of the beads, the side
rails of the sash having grooves forming spaced
tongues from top to bottom thereof for engaging the strip heads, the tongues engaging with the
inner bearing surfaces of the strips being of sub
same ‘width as the outer surface of the beads,
stantially the same width as the said surfaces 10
whereby abutment engagement is maintained be
tween the inner tongues and the guide strips dur
ing lateral shift of the sash in said frame to
thereby prevent outward displacement of the sash
from said frame under pressure against the inner
sides of the same.
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