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Патент USA US2408282

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Sept‘ 24, 1946-
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F'iled June 14', 1944
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Patented Sept. 24, 1946
James Gerow Wilkin, New Hurley, N. Y.
‘Application June 14, 1944, Serial No. 540,352
4 Claims. (Cl. 20-563)
It is a matter of common knowledge that when
it is desired to clean a window pane, considerable
di?iculty is experienced in wiping close to the
pane occupying the entire area bounded by the
‘The foregoing difficulty having been
appreciated,‘ the present invention aims to pro
vide mullion structures which are removable
reading from the sash, the sash enclosing a single
pane which, after the removal of the mullions,
may be cleaned readily.
It happens, moveover, that occasionally it is
desired to, change the mullion pattern of a Win
frame I,
In each seat 4 is disposed a grip G, made of
metal or other suitable material. The grip G
comprises a U-shaped shank 5, the constituent
parts of which are in contact. The vshank- 5 bears
at its outer end against the frame I, as shown
in Fig. 3, at the base of the seat 4. The side
portions of the shank 5 are spaced as shown at
10 6, the side portions being resilient and terminat
ing in laterally extended, resilient loops ‘I.
dow, and thepresent invention aims to supply a
Mullion structures are disposed on opposite
novel means whereby a mullion of one pattern
may be substituted for a mullion of another pat
' sides of the pane 3 and extend across the pane.
j'I‘he mullion structures may be made in various
15 ways, without departing from the spirit of the in
A further object of the invention is to supply
vention. Preferably, but not of necessity, each
a ?exible mullion which, on account of its flexi
bility, may be mounted readily on a window sash
mullion structure includes a horizontal rail 8,
including a long part 9 and a short part II], dis
and with equal facility be removed therefrom.
posed in alinement. The inner ends of the ‘parts
9 and ll) of the horizontal rail 8 abut along a
line indicated by the reference character I! in
Fig. 5.
Within the scope of what is claimed, the struc
ture described and shown may be changed, with
out departing from thespirit of the invention.
In the accompanying drawing:
Each mullion structure includes a vertical rail
I2, comprising parts I4 disposed on opposite sides
of the horizontal rail 8. The abutment line Ii
between the parts 9 and I0 of the rail 8 coincides
Fig. 1 shows, in front elevation, a window sash
equipped with the device forming the subject
matter of this application;
Fig. 2 is a vertical transverse section on the line,
2—2 of Fig. 1, parts being broken away;
Fig. 3 is an enlarged section taken through one
of the seats;
Fig. '4 is a section on the line 4-—4 of Fig. 3;
Fig. 5 is an elevation showing a portion of the
mullion structure, including one construction by
which the mullion structure is made flexible;
Fig. 6 is a sectional view showing the mullion
structure ‘partially folded, to permit the assembly
thereof with the frame;
Fig. 7 is a sectional View looking toward one of
the seats which receive the mullion-ends;
Fig. 8 is ‘a section on the line 8—8 of Fig. '7;
Fig. 9 is an elevation similar to Fig. 5, but dis
closing a modi?ed structure wherein ?exibility in
the mullion structure if obtained by means other
than that disclosed in Fig. 5.
I; I)
wtih one longitudinal edge of the vertical rail I2.
A resilient strip I5, made of metal or other suit
able material, connects the parts I4 of the ver
tical rail I2, and extends across the member 9
of the horizontal rail 8, the strip I5 being secured
at I6 to the rail parts I4. A similar strip I1
extends across the strip I5, at right angles there
to, and is secured at I8 to the members 9 and It
of the horizontal rail 8.
From the foregoing, it will be noted that the
rails 8 and I2 are ?exible, the ?exibility being
secured by means of the strips I5 and IT. The
strips I5 and I1 are let into the rails, so that the
rails present a smooth inner edge to the glass
pane 3.
Another vertical rail I 5 may be provided, as
shown in Fig. 1, this rail comprising parts dis
posed on opposite sides of the member _9 of the
Fig. 10 is a sectional view taken through a por- ‘
horizontal rail 8, the constituent portions of the
vertical rail I9 being connected by a hinge strip
tion of the sash and a portion of the pane.
like the hinge strip I5 of Fig. 5, the hinge strip
In carrying out the invention there is provided,
in the building material art, a sash S, compris~
I1 being omitted. In general, the constituent
parts the horizontal and vertical rails may be
ing a frame I. In its inner edge, the frame I is
supplied with a continuousrecess 2, wherein the 50 made in various ways, it being necessary, merely,
marginal portion of .a pane 3, of glass or the like,
is held by putty 2a, or equivalent means.
At spaced distances, the inner portion of the
frame I is provided with outwardly tapering seats
4. Preferably a single pane 3' is employed, the
that there bea sufl'icient number of‘ hinges so
that the mullion structures are ?exible.
The rails of the mullion structures terminate
in ?ngers 20, shaped to be received ‘in the seats
4. The ?ngers 20 are somewhat narrower than
pressible gaskets 29 being interposed between the
the mullion rails proper and, therefore, there are
heads 28 and the frame I , to prevent leakage into
formed at the ends of the mullion rails proper,
the seats 4.
on opposite sides of the ?ngers, transverse shoul
The device, in either of its forms, is simple in
ders 2| and 22, the shoulder 22 being disposed ad
construction, but will be found thoroughly ad
jacent to the pane 3, and the shoulder 2| being
vantageous to carry out the operations described
disposed atthe outer surface of the mullion rail.
the opening portion of this speci?cation, and
About the ?ngers 20 are disposed compressible
elsewhere therein.
gaskets 23, and the shoulders 2| and 22 press
What is claimed is:
the gaskets against the inner edge of the frame
l. A Window sash comprising a frame, a pane
I and make watertight joints. This construction 10
carried by the frame, said frame having cut-out
preferably is carried out in connection with the
portions formed in the inner edges thereof, pro
outer mullion structure only.
viding seats, a mullion including rails, ?ngers
In the inner surfaces of the ?ngers 29, re
formed at the ends of the rails and adapted to be
cesses 24 are formed. The recesses 24 are shaped
?tted within the seats, and members mounted
to receive the resilient loops 1 of the grips G. The
within the seats adapted to grip the ?ngers posi
recesses 24 and the loops 1 constitute releasably
tioned within the seats, holding the ?ngers and
interengaged elements on the ?ngers 2i] and on
the grips G, respectively.
mullion against displacement.
2. A window sash comprising a frame, a pane
To position the mullions, the grip G at one end
of the mullion to be positioned, is placed within 20 carried by the frame, said frame having cut-out
portions formed in the inner edges thereof, pro
the seat 4 and the ?ngers 20 at one end of the
viding seats, a mullion including rails, ?ngers
mullion, are positioned Within the recess. The
formed at the ends of the rails adapted to be
?ngers are forced against the loops 1 of the grips,
?tted within the seats, said ?ngers having re
the loops 1 moving into the recesses 25 of the
cesses formed therein, yieldable gripping mem
?ngers. The opposite end vof the mullion is now
bers positioned within the seats and extending
positioned in a similar manner, with the, result
into the recesses of the ?ngers, securing the
that the mullion is secured against ?exing and
?ngers and rails against displacement.
consequently, held in place, under normal con
3. A window sash comprising a frame, a. pane
‘As shown in Fig. 6, each mullion structure may 30 carried by the frame, said frame having cut-out
portions formed in the inner edges thereof, the
be molded at the hinges l5 and ll’, so that the >
portions extending along the edge of the
?ngers 20 can be withdrawn from the seats 4.
pane, mullions positioned on opposite sides of the
This enables both mullion structures to be re
pane and embodying rails, ?ngers on the free
moved, facilitating a cleaning of the pane 3,
ends of the rails adapted to ?t in the cut-out por
there being no obstructing mullions in the path ;
of the frame, said ?ngers having recesses,
of the cloth or other device used to clean the
and gripping members having curved arms
adapted to ?t within the recesses of the ?ngers,
It is not necessary that the mullions be pro
engaging the ?ngers and normally
vided with hinge strips Iii-ll. Thus in Fig. 9,
the mullions 3B are of one-piece construction, and 40 holding the mullions against displacement.
4. A Window sash comprising a frame, a pane
are made of material which has inherent re
by the frame, said frame having cut-out
formed in the inner edges thereof pro
If the operator desires to change the mullion
viding seats, a mullion including hingedly con
pattern, the mullion structures shown in Fig. 1
nected rail sections, the ends of the rail sections
may be removed and be replaced by mullion
adapted to extend into the cut-out portions of
structures of a different design, the seats 4 pro
the frame, and means within the cut-out por
viding for such an operation. Referring to Figs.
tions adapted to engage the ends of the rails se
7 and 8, the seats 4 which are not occupied by
curing the mullions in position against accidental
the ?ngers 2a of the mullion rails may be closed
by plugs 26, having side recesses 2'! for the re- ,
ception of the loops 1 of the grips G, the plugs
terminating in laterally extended heads 28, com
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