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SePt- '17, 1946- V
o‘. J. HOFFSTAD
'
2,407,784
ROLLABLE TYPE WINDOW SCREEN
Filed Sept. 14, 1944
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Patented Sept. 17, 1946
2,407,784
UNITED STATES PATENT OFFICE
2,407,784
‘ ROLLABLE TYPE WINDOW SCREEN
Ole J. Ho?stad, Rahway, N. J., assignor of one
half to August Bruns, Port Chester, N. Y.
Application September 14, 1944, Serial No. 554,014
2 Claims. (01. 160-273)
This invention relates to window screens such
as are adaptable for use in association with the
windows of the ordinary double ‘sash type, the
invention having reference, more in particular,
'to a flexible rollable type screen, that is, one which
wound on a spring-actuated drum or roller,
whereby to permit it to be raised and lowered
similarly to window and porch shades.
'In carrying out my inventive idea, I have had
tated 90° counterclockwise, this taken on the
plane of the line 3—3 of Figure ,1,
. Figure 4 is a fragmentary 'elevational view de
tailing ‘the clip-equipped longitudinal ‘edge por
tion of the screen.
Figure 5 is ‘a fragmentary horizontal ‘sectional
view similar to Figure 3.
Figure 6 is a ‘fragmentary detail view to bring
out the construction of the rigid and ‘flexible
in mind the adoption and use of a structure which 10 screen wires.
lendsitse‘lf admirably well for use on conventional
Before referring in detail to the various views
‘window frames, the arrangement and designing
of parts being such that the installation may be
made either ‘facing the exterior or outside of the
dwelling, or facing the interior rooms.
More speci?cally, novelty is predicated upon the
adoption and. use of simple and expedient pairs
of vertical angle irons, these being provided with
opposed and spaced ?anges to thus provide track
like guides, the longitudinal edges of the rollable
?exible screen wire projecting between said guides
and having spring contact clips functioning as
shoes to guide and tautly maintain the screen as
it is rolled up or down, as the case may be.
More explicitly stated, the present invention
has to do with a screen which is adapted for use
in a frame and on a roller with special stabilizing
‘of the drawings, it may be pointed out that the
invention, briefly comprehended,‘ is- character
ized by pairs of coacting ?anged angle irons, these
mounted on anchoring plates on the window
frame structure. The longitudinal edges of the
raisable and lowerable ?exible screen project into
the guide tracks and-carry spring clips which slide
up and down in contact with the angle irons.
At the top of the structure is a casing or- housing
having a spring wound roller and the screen is
wound thereon.
Referring now to the drawings by distinguishing
reference numerals, it will be observed that the
structure is supported or mounted on the exterior
of the window frame, the latter denoted gener
ally by the numeral Il. As seen for example in
Figure 3, the attaching devices are in the form
of right angle plates l2 screwed or otherwise an
devices attached to opposite edge portions of the
screen, these devices being arranged in longi~
tudinally spaced relationship and each device 30 chored in place. The inwardly projecting ?anges
actually made up of a pair of spring clips. The
of the plates [2 carry the aforementioned screen
spring clips have their inner adjacent ends later
, guide and retention tracks. Each track or track
ally bent and fastened to opposite faces or por
tions of the edges of the screen fabric, the adja
way is made up of duplicate angle irons l3 and
M, these being provided with laterally directed '
cent portions of the clips, that, is the portions 35 and spaced parallel ?anges I5. As detailed in
adjacent the screen being laterally bent and
enlarged form in Figure 5, it will be observed
bowed to provide resilient guides and the free
that the inner edges or faces of these ?anges 15
end portions of the clips constituting resilient re
are provided with shallow grooves or runways IE
tention shoes for coacting with parts of the frame
to accommodate the curvate bends or shoe por
work.
tions I‘! of the spring trackings and guide clips
It. The adjacent longitudinal edges of the screen
Other features and advantages will become
l9 project into the guide tracks and the laterally
more readily apparent from the following descrip
directed inner portions of the clips 18 are riveted
tion and the accompanying illustrative drawings.
In the drawings, wherein like numerals are em: 45 or otherwise secured to the projecting screen
edges, as indicated at 20 (see Fig, 5). As before
ployed to designate like parts throughout the
stated, this idea of the special angle irons form
views;
ing the guide tracks, and the spring clips I18 mov
Figure 1 is an elevational view, that is, a view
ing in said guide tracks and constituting slides
observing the complete structure, the screen being
and screen tautening shoes is an important phase
partly elevated and the structure being seen as
of the invention.
it appears from the outside of the building.
I next call attention to the upper or overhead
Figure 2 is a fragmentary sectional and eleva
structure, this embodying a longitudinally elon
tional view of a screen winding and unwinding
gated horizontally disposed box-like housing or
spring-equipped roller.
Figure 3 is an enlarged horizontal section ro
casing of appropriate construction, the same in
55 dicated as 22 and containing a spring roller 28
2,407,784
3
and the screen being wound on said roller. Then,
and as shown in Figure 2 of the drawings, the
roller 26 is of a simple spring wound cylinder type
and is provided with journals which are suitably
mounted in adapter sockets 21 formed in the
aforementioned casing structure.
I now call attention to the lower slidable end
structure of the screen. This is characterized by
screen and window can be built in as an original
installation.
A careful consideration of the foregoing de
scription in conjunction with the invention as il- .
lustrated in the drawings will enable the reader
to obtain a clear understanding and impression
of the alleged features of merit and novelty suf
?cient to clarify the construction’ of the invention
as hereinafter claimed; ‘f I ‘ >
_
4
a rigid wooden'or' equivalent horizontal ‘bar 28
Minor changes in shape, size, materials and re
which forms a sort of false sill and this has its 10
arrangement of parts may be resorted to in actual
opposite end portion bifurcated with the furca
practice so long as no departure'is made from
tions 29 straddling the track-forming angle irons
' the invention as claimed.
‘I 3 and I4. The furcations are provided with suit
ably mounted anti-friction rollers 30 to, facilitate
raising and lowering of the screen in proper per
pendicullar order.
'
As before stated, and as diagrammatically in- ‘
dicated in Figure 6, the screen itself is made up of
relatively rigid parallel rods or stout wires 43'
connected together by highly ?exible intersect
ing vertical wires 44. This forms a sort of lattice
like structure having the‘functions of an ordinary
‘wooden slat porch shade or screen. That is to say,
the structure is easily roll-able and yet sui?cient
Ely rigid to perform the desired results.
The structure herein shown and described has
the advantage of operating like a window shade,
whereby to permit the housewife to attend to
cleaning duties and washing of windows with
I claim:
.
1. In a structure of the class described, a guide;
way for a screen of the class described made up
of opposed parallel angle irons having flanges, the
inner faces of said ?anges being used to provide
runways, a screen edge projecting between the
flanges adjacent said runways, and. spring clips
attached to said screen edge and having rounded
portions workable in said runways. "
.
2. As a component part of an assemblage of the
class described and as a new article of manufac
ture, a screen adapted for use on a rollable screen
assembly of the class described comprising a
screen proper, and stabilizing devices attached to
opposite vertical edge portions of the screen, said
devices being arranged in ‘longitudinally spaced
relationship, each device ' comprising a pair of
expediency. In the fall when screens are no 30
spring clips, said clips having their inner adjacent
longer needed, it ‘is rolled up and left in that po
ends laterally bent and fastened to opposite sur
sition until spring. The screen and its frame
faces of the edge portion of the screen, the por
structure will preferably be made of rust-free
metal for sake of longevity. The screen can be
tions of the clips adjacent said laterally bent ends
being bowed to provide resilient guides, and the
easily attached by~a few wood screws without any . 35
alteration to any type of window, ‘and it can be
placed on either the outside or inside of the win
dows of old houses. For new construction, the
free end portions of the clips constituting resil
ient retention shoes.
-
OLE J. HOFFSTAD.
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