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Патент USA US3041690

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July 3, 1962
J. _GURNIAK
3,041,680
PIVOTAL SLIDABLE wmnow
Filed April 5, 1960
4 Sheets-Sheet 1
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JOHN
INVENTOR.
GURNIAK
A T TOR/VES.
July 3, 1962
3,041,680
J. GURNIAK
PIVOTAL SLIDABLE WINDOW
Filed April 5, 1960
4 Sheets-Sheet 2
INVENTOR.
JOHN
//
GURNIAK
www
ATTORNEYS.
July 3, 1962
J. GURNIAK
3,041,680
PIVOTAL SLIDABLE WINDOW
Filed April 5, 1960
4 Sheets-Sheet 3
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_ INVÈNTOR.
JOHN
GURNIAK
ArroRn/EYS.
l
' July 3, 1962
J. GURNIAK
l 3,041,680
PIvoTAL SLIDABLE WINDOW
Filed April 5, 1960
4 Sheets-Sheet 4
JOHN
INVENTOR.
GU R NIAK
A TTORNE YS.
United States Patent O
r- r'
ICC
lißilßëü
Patented July 3, 1962
1
2
3,041,680
FIG. 16 is a fragmentary sectional view taken oh line
16_16 of FIG. 12;
FIG. 17 is a view similar to FIG. 16 but showing the
PIVGTAL SLÃDABLE WINBOW
.
John Gurnialr, Elkins Parli, Pa., assignor to Michael
Flynn Manufacturing Company (also known as Michael
Flynn Manufacturing (1o.), Philadelphia, Pa., a corpo
ration of Pennsylvania
window in pivoted position;
FIG. 18 is `an enlarged View of the cam shown in
FIG. 17;
FIG. 19 is a fragmentary sectional view taken on line
Filed Apr. 5, 1960, Ser. No. 20,126
7 Claims. (Cl. 20_42)
19_19 of FIG. 12;
This invention relates to a horizontally slidable Window
assembly, and it more particularly relates to an assembly
wherein Ithe window is also adapted to be pivoted.
Horizontally slidable windows have gained increasingly
wide acceptance and many new homes are provided there~
with. rIhis is due to many factors among which are
their relative ease of manufacture, their moderate cost
and their ease of installation. However, in use, it has _
been found that it is most difficult to wash such windows
because of the difliculty in reaching all areas ofthe outer
FIG. 20 is a fragmentary `sectional view taken on line v
zii-20 of FIG, 12; ~
FIG.,21 is a fragmentary perspective view of a portionl
of the assembly;
f
FIG. 22 is a fragmentary sectional view taken on lin
2\2_22 of FIG. 4;
FIG. 23 is a fragmentary sectional view taken on line
23-23 of FIG. l; and
FIG. 24 is a sectional view taken on line 24-24 of
FIG. 23.
Referring in greater detail to the various figures of
surface. To adequately wash such windows, it is usually 20 the drawings wherein similar reference characters refer
necessary to either remove the window panels from the
window frames or to wash the windows from the out
to similar pants, there'is shown a window assembly, gen
erally designated 10, comprising a rectangular frame 12
in which is positioned one `stationary window panel 14 and
side. Removing and replacing the window panels is an
one slidable window panel 16, each of these panels com
irksome and tedious job especially for a housewife, while
washing the windows from the outside is a hazardous and 25 prising a rectangular frame with a glass pane therein in
awkward procedure which most people would prefer to
the standard manner.
avoid.
It is `one object of the present invention to overcome
The frame 12 includes an elongated channel 18 which
acts as a yguide for the sliding movementk of panel 16
i
into and out of closed position. This guiding action is
the aforesaid ditilculties'rby providing a horizontally slid«
able window assembly wherein the slidable window may 30 provided in conjunction with cylindrical guide feet (more
fully described hereafter) mounted on a flange 22 extend
also be pivoted to extend into the room and thereby be
ing laterally from an upward extension 24 of the frame
easily accessible on both sides.
of the panel 16. An upright llange 26 also extends up
Another object of the present invention lis to provide a
wardly from the 'panel frame but in spaced relation to ex~
window assembly of the aforesaid type which is relatively
tension 24. The llange 26 is higher than extension 24
simple in structure, easy and economical to manufacture,
and acts as a cover for the upper edge of the slidable
easy to install and easy to use.
Other objects and many of the attendant advantages of
this invention will be readily appreciated as the same be
comes better understood by reference to the following
detailed description when considered in connection with
the accompanying drawings wherein:
FIG. l is a front elevational view of a window assembly
embodying the present invention;
»
FIG. 2 is a sectional view taken on line 2_2 of FIG. l;
FIG. 3 is a sectional view taken on line 3_3 of 45
FIG. l;
e
FIG. 4 is an enlarged, front elevational view, similar
to FIG. 1, but with parts broken awayto show various
details;
`
panel.
The extension 24 is also provided with a longitudinal
channel 2S in which is positioned la weatherstrip 30.
This rweatherstrip 34D is preferably made of wool fibers
although any other material such as metal, vinyl, poly
ethylene or the like may also be used. The channel 28
is open on its inner side and the weatherstrip 30 projects
throughl this opening into a position where it slidably
abuts against the adjacent side wall defining channel 18.
The aforesaid cylindrical guide yfeet supported by the
flange 22 are indicated at 32, each of these guide feet 32
being secured to the flange 22 by means of rivets 34 or
the like. The feet 32 slidably engage the inner surfaces
FlG. 5 is Ia fragmentary sectional view taken on line 50 of the two opposite side walls deiining channel 18.
5_5 of FIG. '4;
FIG. 6 is a fragmentary View taken on line 6_6 of
At the rearward edge of ilange 22 is secured a pivot
member 36, this member 36 being connected to the flange
22 by a rivet 38 or the like. The member 36 is provided
FIG. 5;
FIG. 7 is a fragmentary sectional view taken on line
with a pivot linger 40.
Y
’
At the lower edge of panel 16 are provided a pair of
7_7 of FIG. 4;
55
cylindrical guide feet 42 similar to feet 32 except that
FIG. 8 is a fragmentary sectional view taken on line
they are provided with undercut V-shaped notches 44.
8_8 of FIG. 4;
These notches are provided to engage an upstanding guide
FIG. 9 is a fragmentary view takenon line 9_9 of
rail 45 extending up from the bottom portion of theA
FIG 8;
window frame 12.
FIG. 10 is a fragmentary sectional view taken on line
At the rear end of the lower edge of the panel 16 is
1%_10 of FIG. 4;
provided a plate 46 retained in position by a screw 48 or
FIG. 1l is a ùagmentary sectional view taken on line
the like. The plate 46 is provided with a depending pivot
11-11 of FIG. 4;
finger 50. The plate 46 is also provided with an under
FIG. l2 is a front elevational view similar to FIG. 1,
but showing the window in open position and with parts 65 cut recess 52 to permit the plate 46 to be raised out of
engagement with .the guide rail 45. .
`
broken away to show various details;
Positioned on the bottom portion of the window frame,
FIG. 13 is a fragmentary sectional view taken on line
to the right of but adjacent the left hand end of the
13_13 of FIG. 12;
panel 16 when in closed position, is a cam block 54.
FIG. 14 is a view similar to FIG'. 13, but showing the
This block 54 includes an inclined edge 56 and a straight
Window pivoted into perpendicular position;
70 top edge 5S. An auxiliary cam portion 59 lits on the>
FIG. 15 is an enlarged, fragmentary view of the cam
element of FIG. 14;
.
top edge of rail 45. The block itself is linearly adjustable
3,041,680
by 'means of a lateral flange 60 having an elongated slot
62 through which extends a set screw 64.
The screw
'64, when loosened, acts as a Vguide topermit linear ad
justment of the block 54 in either direction for the Vlength
of the slot 62. Then when 'the blockìhas been adjusted
to the desired position, the screw 64 is tightened to hold
the block securely in place;
Y
Y
The bottom portion of window pane 16 is also provided
mentary to that of Wall 128 so that it is slidably engage
able therewith to limit the forward movement of the
panel 16 (as illustrated in FIG. 22).
In operation, when it is desired to merely open or'close
the window, this is done in the-normal manner by easily
sliding the panel 16 back and `forth to the desired position.
However, when it is desired to move the window into the
pivotal position, this can be easily done by giving the
‘ with a longitudinal channel 66 having a side opening
panel 16 an extra shove. This provides the slight addi
' from which projects aV weatherstrip 68 seated in the 10 tional force required to raise the panel on its cam tracks
channel. The strip 68 is similar to the strip 30 and is
adapted to sealingly abut an upstanding ñange 70 on the
lower portion of the window frame.
`
„Whereas the panel 16 is movable relative to the window
frame 12, the panel 14 :is ñxed in the window frame and
»ispositioned behind the panel 16 to permit overlapping
thereof. 'Adjacent the left end of the panel 14 (as viewed
in FIGS. 1, 4 and l2), lthereisfpositioned inthe channel
whereby member 36 and thetinger 40, which is of rec~
tangular crossfsectional shape, are guided iirst by the
wide slot portion 74 and then by the narrow slot portion
76. At the same time, the finger 50, which is also of
rectangular cross-section, engages first in slot portion 86
and then in slot portion 88 as it moves up the inclined'
track 84. Simultaneously, the foot 42 at the forward
end (or right hand end as viewed in FIG. 4) moves onto
18 a cam'track '72. This cam track.V 72 isiprovided with
the cam block 54 while the notch `44 rides over auxiliary
a longitudinal slot having'a relatively wide major Vportion 20 cam portion 59. 'I‘ihe upward force exerted by the block
72 and a relatively narrow minor portion 76. At the end
of portion 76 is providedran enlarged circular opening
l78. ‘ The cam track vis stepped at the junction of the slot >
portions 74 and 76, as indicated Vat 80. This step 80’is
necessary because when the relatively Wide member 36
rides in wide slot portion`74 the parts are in a different
section of the mathematical `curve of rise than when „the
relatively narrow linger 40 rides in the narrowslot por
tion 76. The step Si) takes care of the diiîerential and
. '54, in -conjunction with the force applied by cam track
76, acts to lift the -entire panel 16 within the window
frame.
Y
l
VThe iingers40 and 50 move along their respective slots
Vuntil they reach their respective openings 78 and 90.
Since the lingers 40 and 50 are rectangular in cross
sectiomthey cannot be rotatedwithin their respective
»slots until they reach their respective openings 78 and 90.
Then, however, they can be rotated into the full line
therebykeeps thercurve of rise smooth and' continuous. 30 Ypositions shown in FIGS. l5 and 18. In these positions,
An vopstanding stop flange 82 is provided at the end of
they are locked against movement out of the openings.
thecam track.
Y
‘
When the lingers 40 and 50 are within the openings
Y
On the, inner lower edge of window frame 12, in ver
78 and 90, they are in pivotal position. Therefore, the
tical alignment with cam track 7_2, is a similar cam track
panel 16 can be pivoted into a position transverse to the
84.V VThis vcam track 84 is also provided with an elon 35 window- frame (as indicated in FIGS. 14 and 17). In
gated slot but only a minorV portion thereof is relatively
this pivotal position the fingers are in the locked position
wide, as at 86, while the major portion is relatively nar- Ä
row, as at 88. At the end of slot portion 88 is provided
within their respective openings (as shown in FIGS. 15
the edge’A of ñange 98. ,n This spring, therebyrbiases the
panel, said fingers each being elongated inV shape and
latch into locking position against flangeV 112 (as indi
slidable in said channels, a cam block in at least one of
cated in vfull line in FIG. 23).
The left hand vertical edge of panel 16 (as Viewed in
FIG. l) is provided »with a channel 116 in which is prof
vided> a weatherstrip 118 similar to that shown at 68.
The opposite vertical edge of panel 16 isalso provided
said channels in the path ofV movement of said guide
means, the corresponding guide means being slidable
`and 18 and as described above). Therefore, the panel
a circular opening 90, similar to opening 78.V The cam
can be pivoted to any desired positionwithout danger of
Atrack 84, is furthermore, not stepped but extends in a 40 falling out of the Window frame. Thereafter, when it is
straight inclined directionV up Vto aA straight plateau por
desired to either remove the panel or to move lit back
tion, the opening’90 Vbeing positioned in this plateau
to closed position, the panel is pivoted back to its normal
portion. .
,
position parallel with the window frame, at which time
>At the rightV hand' edge of panel 16 (as viewed in ~ the ñngers 40 and 50 are again in position to slide into
FIG'. l) there is provided a latch means 92. This latch
the slots of their respective cam tracks.
means comprises a generally U/-shaped handle 94 having
Obviously many modiñcations and variations of the
-one Iarm 96 adapted to engagera lateral ñange 98 on the
present invention are possible in the light of the above
corresponding vertical edge of the panel V16, and having
teachings. VIt is, therefore, to be understood that Within
-its other arm 100 provided rwith two extensions 102 and
Vthe scope of the appended claims, the invention may be
104 (see FIG. 23). The extension 102 is provided at its 50 practiced otherwise than as speciñcally described.
end with an enlarged, cylindrical portion 106 engageable
What is claimed as the invention is:
within a groove 10S in the panel 16 whereby there is
1. vA Window structure comprising a rectangular frame
formed a hinged joint between the latch means and the
having at least one rectangular window panel movable
panel. The other extension 104 is provided with a hooked
therein, said Window frame including oppositely posi
end 1110 releasably engageable withv a flange 112 on the
tioned channels, said window panel having oppositely
corresponding vertical edge of the window frame 12. A
positioned guide means slidable in corresponding chan
spring`114 is connected 4to arm 100 and bears against
nels, slida‘ble pivot iingers on opposite edges ofV said
over the cam block to’ move said panel transversely of
said frame, an inclined cam track in each of said chan
nels, said Vcam tracks being transversely aligned with
with a channel 120 having a weatherstrip 122 of similar 65 each other at predetermined positions in said channels,
type. This channel „120 is providedyin the rearward edge
said cam tracks each having a slot of a width slightly
of the framework of the panel 16 (see FIG. 22) and the
Weatherstrip 122 is adapted to frictionally engage against
a straight wall 124 defining one edge of the open inner
larger than the longitudinal width of the pivot ñnger
movable in vthe corresponding channel and smaller than
the length of said finger, said slot terminating in a
side of a hollow, vvertical post 126 in the window frame. 70 circular aperture of a diameter slightly greater than the ,
This wall 124 is spaced inwardly from Vthe plane of the
inclined _wall 128 deñning the Opposite edge of the open
length of said linger.
2. A window structure comprising a horizontal rec
tangular Window frame having atV least one ‘horizontally
.The rearward edge of the framework of panel 16, in
movable rectangular window panel therein, said window
-addition to channel 120 and Weatherstrip 122, is pro 75 frame including an inner periphery deñned by an upper
vided with a ñange 130 having an inclination'comple
horizontal channel and a lower guide rail, said movable
inner side of post 126.
, n
3,041,680
6
4. The window structure of claim 2 wherein said guide
panel having upper and lower horizontal edges and lfor
ward and rearward vertical edges, vguide means connected
to the upper edge of said panel and movable in said
upper horizontal channel, guide means connected to the
lower edge of said panel and being in slidable engage
ment with said guide rail, upper and lower upwardly in
y means connected to the upper edge of the panel comprises
a plurality of cylindrical feet mounted on a lateral ñange
extending from the upper edge of said panel, and said
guide means connected to the lower edge of the panel
comprises a plurality of feet each of which is` provided
with
clined `cam tracks on said inner periphery of the window
frame, each of said cam tracks being arranged in vertical
rail.
5.
alignment with each other, each of said carn tracks hav
ing a longitudinal slot therein terminating in a circular lO dow
aperture, and a guide and pivot pin on each of the upper
post
The window structure of claim 2 wherein said win
frame is provided with a central vertical post, said
having astop means therein to engage a comple
mentary stop means on said panel to limit forward slid
able movement of said panel.
6. The window structure of claim 2 wherein said panel
and lower edges of said panel, said pins being positioned
adjacent the rearward edge of said panel and being rec
tangular in shape with a longitudinal width slightly
smaller than the width of the slot in the corresponding
is provided with a latch means for releasably locking said
panel to said window frame in a predetermined closed
cam track and a length largerthan the width of the slot
and slightly smaller than the diameter of said aperture,
said pins being slidable in the slots and rotatable in the
apertures of their corresponding cam tracks.
position.
stationary window panel in said window frame, said
stationary panel being in an offset plane relative to said
movable panel to permit said movable panel to slide
into »and out 'of overlapping position relative to said
is provided ata predetermined position on the lower
portion of said inner periphery of the window frame, each
guide block having an upwardly inclined cam surface
edge of said panel, adjacent the forward edge thereof,
~
7. The window structure of claim 2 wherein there is a
3. The window structure of claim 2 wherein a cam block
corresponding to the cam surfaces of said cam tracks,
and at least a portion of the guide means on the lower
an undercut notch to slidably receive said guide
stationary panel.
25
being arranged to engage said cam vblock simultaneously
with the engagement of said guide and pivot pins with
said cam tracks to raise the forward portion of said
panel simultaneously with the raising of the rearward 30
portion thereof.
References Cited in the file of thisV patent
UNITED STATES PATENTS
2,790,211
2,952,883
Ebbert et al. ________ __ Apr. 30, 1957
Kessler et al. _____ _„>„.__ Sept. 20, 1960
129,721
Australia _______ _¿__..__ Oct. 28, 1948
FOREIGN PATENTS
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