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Патент USA US2409711

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Oct. 22, 1946.
«
J. scHUNK
.
2,409,710
BUS OR CAR WINDOW CONSTRUCTION
Filed June 23, 1944
2 Sheets-Sheet l
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INVENTOR
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ATTORNEY
oct. 22, 1946.
‘
2,409,710
J. SCHUNK
BUS OR CAR WINDOW CONSTRUCTION
Filed June 23, 1944
2 sheets-sheet 2
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Patented Oct. 22, 1946
2,409,710
>UNITED STATES PATENT OFFICE
BUS OR CAR. WINDOW CONSTRUCTION
Joseph Schlink, Union, N. J., assigner `to The Na
tional Lock Washer` -,Company, Newark, N. J.,
a corporation of New "Jersey
Application June 2s, 1944, serial No. 541,812
8 Claims. (o1. 18s-76)
1
2
,
The present inventio-n relates to improvements `
in bus or car window construction, and more par
ment, and wherein substantial vertical clearance
is provided in the Aiit of the lug in the rail,- to the
ticularly to an improved window sash assembly
of the type adapted to be installed for raising and
lowering movement in vertical sash guide post
pieces at each side of the window opening.- In
end that the side strap fastening lug is pre
vented from becoming seized or frozen in the
bottom rail after the sash has been inservice for
a length of time.
A further object is to provide a window sash
`assembly wherein a’ single screw is employed for
the case of glass breakage it is desirable that the
window sash frame be such that it may be conven
iently disassembled and reassembled for removal
securing each of the side straps to the top and
of a broken glass and installation of a new one,
and it is an object of the invention to provide a
bottom sash rails, and wherein this screw may
be one of the screws for fastening the sash lock
frame structure in which this purpose may be
more eifectively carried out. To this end it is
casing to the bottom rail.
particularly proposed to provide `interlocking
means between the side straps and the ends of
i
In the drawings----
ends of the bottom sash rail through inward> 20
swinging movement of the side straps, these lug
means each adapted to be'secured by a single
screw provided in the bottom sash rail to thus
rigidly secure the side straps inV assembled rela
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companying' drawings, ‘and this ‘embodiment will
be hereinafter more fully described with _refer
ence thereto, and the invention will be finally
pointed out in the claims.
the top rail permitting relative swinging move
ment of the side straps, and‘further to provide
inwardly projecting fastening lug lmeans at the
lower ends of the side straps for insertion, in the
tion with the top and bottom sash rails.
^
With the above and other objects ‘in view,V an
embodiment of the invention is shown in the ac
i
Fig. 1 is a fragmentaryelevation of the inner
side of a window sash structure, according to an
exemplary illustrated embodiment of the in
vention.
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Fig. 2 is a vertical sectional view, taken along
.
A further object is to provide a sash assembly
in which the side straps may be engaged with the
vertical edges of the window glass byl inward
the line 2_2 of Fig. 1. "
i ‘
‘
, Fig. 3 is a vertical sectional View, taken along
thelineS--BofFig
2.
_
«
A
y
,ì
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. Fig. 4 is a fragmentary top plan view.
Fig. 5 is a horizontal sectional view, taken along
usual type of assembly wherein it is required that` 30 the line 5-5 of Fig. l. A. . i v i the side strap assembly approach `edges of the
Fig. 6 is a horizontal sectional view, taken along
glass in a parallel position. This greatly facili
theline 6_6 of Fig. 1. f ,
.
`
tates the handling of the glazing strip provided
‘ Fig. '7 is a view, partially in elevation and par
about the edge of the glass, particularly in the
tially `in vertical section, of the inner side of one
case of a one-piece glazing strip that is continu- _ 35. of , the side straps', `the same being partially
l swingingY movement, as distinguished from the
ous around the glass.
Another object is to provide a window sash
assembly wherein the bottom rail engaging fas
tening lug carried by the side strap provides a
guide for the sash lock bolt carried in the bottom
rail, and is adapted‘to be secured by fastening
broken
away.
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Fig. 8 is a side elevation showing the glass re
ceiving side. of the side strap.
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,
Fig. 9 is a top planview of the side strap.
‘ Fig. lO` is a bottom plan view thereof.
A
Fig. 11 is a side elevation,- showing one end
portion of the top sash `rail for engagement’with
lug and the bolt. This arrangement eliminates
the side strap shown in Figs. 7 to 10.
the necessity-of punching a slot in the sash lock
Fig. 12 is an end view thereof.
bolt for receiving the fastening screw, as has 45
Fig. 13 is a top plan view of the top sash rail.
been the practice in the past.
`
Fig. 14 is'a bottom plan View thereof.
A further object is to provide fastening lug
Fig. l5 is a detail plan view of the hook mem
i screw means disposed entirely at one side of the
means constituting a guide for the sash lock bolt,
and which is so constructed that in the assembly
l ber forming part of the top sash rail assembly.
Fig. 16 is a side elevation of the inner side of
of the side strap the lug may straddle the bolt 50 one endportion of the bottom sash rail for at
and engage with it through swinging movement
tachment to the side strap` shown in Figs. 7 to l0.
of the side strap.
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It is further proposed to provide fastening lug
means upon the side strap engageable in the end
of the bottom sash rail through swinging move
Fig. 17 is an end view thereof.
,
Fig. 18 is a transverse vertical sectional view
of a modified form of ~bottom rail strip.
Similar reference characters indicate corre
2,409,710
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sponding parts throughout the several ñgures of
the drawings.
Referring to the drawings, the window sash,
according to the illustrated exemplary embodi
by a spring and retracted by a manual retracting
lever. This sash lock assembly includes a casing
28 secured upon the inner side of the rail by
ment of the invention, comprises generally a top
rail, a bottom rail, and a pair of side straps con
necting the top and bottom rails at each side, the
means of screws 23.
In the case of a bottom rail
structure having a sash lock casing relatively
close to the end of the rail one of the sash lock
screws 29 may be utilized for securing the side
strap, according to the present invention, and for
glass panel .I0 'having a glazing strip Il engaged
this reason the sash lock casing 28 is illustrated.
about rits four marginal edges‘which are engaged
in channel grooves provided in the top and bot 10 The rest of the sash lock assembly is not illus
trated, however, as this does not constitute a
tom rails and the side straps. For convenience
part of the present invention. In the case of a
of description there is illustrated the left-hand
bottom rail structure having the sash lock casing
side strap and the left-hand end portions of the
substantially removed from the end of the bot
top and bottom sash rails cooperating therewith,
tom rail, the sash lock screw is not utilized for
it being 4pointed out that the right-hand end of
securing the side strap but an additional screw
the sash assembly is of identical form.
is _provided at the proper distance from the end
The top sash rail I2 is provided in -its lower
side with a longitudinal channel groove I3 for
oi’ the rail for this purpose.
The side strap comprises a channel strip 30
receiving the upper edge of the glass and the
glazing strip engaged about it, and in its upper 20 adapted to receive the vertical edge of the glass
and the glazing strip enclosing it, its vertical
portion, in spaced relation between the groove I3
side walls being bent outwardly and rearwardli7
and its upper surface, there is provided a longi
tudinal passage I4 of rectangular cross section.
at their forward edges to provide flanges 3I-3I,
In the end of the passage I4 there is engaged a
to engage the forward vertical sides of the facing
hook vmember comprising a rectangular base 25 strip -32 engaged about the channel strip. This
plate portion I5, corresponding in cross-section
facing strip is of U-shape in cross-section, and
to the passage I4 and longitudinally engageable
is -formed of suitable sealing material, such as
therein, and an upwardly inclined project
felt, being cemented or otherwise suitably secured
`ing hookk portion I6 at one end of less width
about the channel strip. At the upper end of
than the base >plate portion I5, and verti 30 the side strap and in lateral line with the top
cally bent upwardly at its end. The base
rail, the flanges 3| are cut away, as at 33, so
plate portion is provided with a pair of holes Il
that the upper end of the channel strip 30 is
into which retaining bosses I8 are pressed up
engageable in the end recess I9 of the top rail,
wardly from the -bottom wall of the passage ifi,
with the upper ends of the flanges 3| abutting
to thus rigidly secure the hook member to the 35 the under surface of the top rail at each side.
top rail. A vertical recess I9 is provided in the
Across the upper end of the channel strip 3E)
end surface of the top rail, of slightly' greater
there is provided a horizontal bridge piece 34
width than the channel groove I3 and the hook
forwardly spaced from the base of the strip and
extension I6 and adapted to ‘receive the upper
preferably formed by upwardly projecting ex
Vend of the side strap, as will presently more
tensions at each side of the strip bent inwardly
fully appear.
at right angles into superimposed engagement,
The bottom sash rail comprises a pair of
and rigidly secured together by welding or the
spaced side strips 2li-_20 between which is se
like. This bridge piece provides a slot 35 in the
cured by welding or the like a sash glass re
upper end of the side strap channel strip into
ceiving channel strip 2|Á `having its upper edge
which the vertical end portion of the hook I6 is
flush with the upper edges of the strips 20. A
engaged to connect the upper end of the side
strap to the top rail. The horizontal disposition
second channel strip 22 -is secured between the
o'f the bridge piece over the upwardly inclined
side strips 20 intermediate their lower edges
projection of the hook provides an inwardly di
and the base of the channel strip 2|, the space
vergent clearance space beneath the bridge piece,
between the channel strips 2| and 22 providing
permitting swinging movement of the side strap
a longitudinal passage through the bottom rail
in which the sash lock bolt 23 is engaged, and
into and out of engagement with the bottom rail,
into which the projecting fastening lug of the
while retaining the upper end of the side strap
side Astrap is adapted to be inserted and secured,
against outward displacement relative to the top
as will presently more fully appear. At the lower
rail.
edges of the side strips 20--20 there are provided
At the lower end of the side strap in lateral line
inwardly projecting flanges 24, engaged with the
with the bottom rail the outwardly and rearward
the longitudinal side grooves 25 of the rubber
ly bent flanges 3| of the channel strip side walls
weather strip 26 inserted in the longitudinal
are compressed tightly against the side walls7 as
pocket provided below the channel strip 22. In 60 at 3S, these compressed flange portions being of
stead of forming the bottom rail from the sev
suitable thickness to be slidably engaged within
eral strips as shown it may be of extruded one
the end recess 2l of the bottom rail. The lower
piece form, as-illustrated by the modiñed form of
end of the channel strip is cut out at each side,
bottom rail strip 20a in Fig. 18, or of other suit
as at 3l, to accommodate the end of the bottom
able structure to provide substantially the same 65 rail weather strip 26 which, in the assembled re
cross-sectional shape. A vertical recess 2l is
lation of the side strap, extends beyond the end
provided in the end of the bottom rail for receiv
of the bottom rail and into contact with the ver
ing the lower end of the side strap, as will pres
tical bottom wall of the channel strip 30.
ently more fully appear, this recessed end being
In substantially axial alignment with the sash
formed by extending the ends of vthe side strips 70 'lock bolt 23 of the bottom rail the side strap
20 beyond the ends of the channel strips 2| and
vchannel strip 30 is provided with an inwardly pro
22 and the ñanges 24,
jecting attaching lug member 38, its portion pro
jecting beyond the inner edges of lthe channel
The sash lock bolt 23 is operatively connected
to a suitable sash lock actuating assembly car
strip being of inverted U-shape in cross-section,
ried by the'bottom rail, being usually projected
while rits portion 39 within the channel strip is
2,409,710
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of rectangular tubular form. The upper and low
er walls of the tubular portion 39 are provided
with lug extensions 40 and '4| engaged through
a rectangular slot 42 in the vertical base wall of
`bottom rail, and such as might occur in the case
slot into contact with the outer surface of the
of the side strap also facilitates engagement with
and disengagement from the glazing strip en
closed vertical edge of the glass, greatly reducing
the frictional resistance usually encountered in
the case of parallel engaging and disengaging
of a tightly fitting lug engaged with the bottom
rail through parallel movementof the side strap,
' asl distinguished from the swinging movement of
the‘channel strip, and bent above and below the ` 5 the present invention. `'I’heswinging movement
base wall where they are rigidly secured by weld
ing or the like. In axial line with the opening
42 and the passage through the tubular portion
39 of the lug member the facing strip 32 -is pro
vided with a rectangular passage 43, thesash lock
bolt being slidably engaged in these passages and
normally projected ‘frornthe pass'age‘43 of the
facing strip 32 for engagement with the rack strip
of the sash guide post piece with which the side
strap of the window sash assembly isnormally
1 engaged.
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The side walls of the lug 38 are provided with
outwardly‘pressed bosses 44, adapted to impart
rigidity to these side walls, as well as‘to provide
movement ofthe side strap.`
space fillers in the engaged relation of the lug
with the bottom rail. One of these bosses 44, at
the inner side of the lug and adjacent its pro
jected end, is provided with an aperture 45 in
which is engaged the interiorly threaded stud
portion 46 of a nut 41 secured to the lug by swedg
ing over the inner end of the stud portion 46, as
at 58. In the assembled relation of the side strap
this nut is in register with a screw'hole 49 in the
inner side wall of the bottom rail and in contact 30
with the inner surface of the side wall, in which
relation it is engageable by the screw 29 for the
purpose Vof securing the position of the side strap.
As showningFigs. 1 and 2 this screw 29 may also
secure the sash lock casing 28 to the bottom rail.
It will be understood, however, that inthe case
of the sash lock being differently located the
screw 29 will be shorter'than theI one illustrated,
and directly engaged in the hole 49 of the rail.
rThe inverted U`-shape lug 38 has a vertical di-`
"mension suilicient to clear the upper surface of
the sash lock bolt, as well as the under surface
‘of the glass receiving channel strip 2 |` of the bot
tom rail and the bottom ofthe groove of the
channel strip 22. This groove of the channel"
strip 22 is of corresponding width to the lower
marginal portion of the lug 38 so that in the as
sembled relation o_f the side strap the lug is slid
ably engaged in this groove.
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I have illustrated and described preferred and
_ satisfactory embodiment of the invention, but it
will be `understood that changes may be made
therein, within the spirit and scope thereof, as
deñned in the appended claims.
Having thus described my invention, what I
claim and desire to secure by letters Patent is:
1. In a window sash assembly, a top rail having
a sash glass receiving channel in its under side,
a bottom rail having a sash glass receiving chan
nel in its upper‘side, a‘pair of side straps having
sash glass receiving channels in their inner sides,
a rectangular sash glass engaged at its four mar
25 ginal edges in said channels of said top and bottom
rails and said side straps`,'vertically engageable
interlocking hook and slot connection means co
operating between theï'ends of one of said rails
and the adjacent ends of said side straps per
mitting relative inward and Outward swinging
movement of said side straps relatively to the
ends 0f the other of said rails, and laterally en
gageable lug and passage connection means co
` operating between said other of said rails and the
adjacent ends of said side straps engageable and
disengageable through said inward and outward
swinging movement of said side straps.
2. In a window sash assembly, a top rail having
a sash glass receiving channel in its under side,
a bottom rail having a sash glass receiving chan
nel in its upper side, a pair of side straps having
sash glass receiving channels in their inner sides,
a rectangular sash glass engaged at its four mar
> ginal edges‘in said chnnels of said top and bottom
45 rails and said side straps, interlocking connec
tion means between the ends of said top rail and
the upper ends of said side straps comprising a
hook extension secured to each end of said top
‘ rail, and hook engaging means at the upper end
In assembling the side strap the slot 35 at its >--`50 of each of said side straps engageable by said
hook extension, said connection means permitting
upper end is engaged by the hook I6 of the top
relative inward and outward swinging movement
rail, the top and bottom rails having iirst been
`of said side straps relatively to the ends of said
engaged with the upper and lower edges of the
bottom rail, and cooperating connection means
glass, and the projecting lug 38 is engaged over
the projecting sash lock bolt` of the ybottom rail; ï55 carried by said bottom rail and the-lower ends of
said side straps `_engageable and Vdisengageable
the inverted U-shaped cross-’section of, thelug
through said inward and outward swinging move
permitting such engagement with the `bolt in an
mentoi said side straps.
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outwardly swung position 'of the >side strap.
>3. In a window sash assembly, a top rail having
Thereupon the side strap is pressed into place,
swinging about the hook i6 as a pivot, the lug en_ a sash glass receiving channel inïits under side,
33 being guided inthe groove of the bottom rail
channel strip 22. and the sash lock bolt enter
ing the tubular'portion 39 of the lug and pro
a bottom rail having a sash glass receiving chan
nel in its upper side, a pair of side straps having
sash glass receiving channels in their inner sides,
a rectangular sash glass engaged at its four mar
as the side strap is brought into its vertical po 65 ginal edges in said channels of said top and bot
tom rails and said side straps, interlocking con
sition, whereupon it is secured by the screw 29.
nection means between the ends of said top rail
As shown clearly in Fig. 2, there is substantial
and the upper ends of said side straps comprising
clearance between the upper closed end of the
an upwardly inclined hook extension secured to
lug 38 and the under surface of the glass receiv
ing channel strip 2|, and between its lower open 70 each end of said top rail having a vertically dis
posed hook end, and hook engaging means ‘at the
end engaged in the groove of the channel strip
upper end of each of said side straps including
22 and the base of this groove, this arrangement
jecting through the guide openings 42 and 43
permitting the swinging into and out of position
a horizontal bridge piece engageable over said in- -
clined hook extension, and a slot engageable by
sibility of seizing or freezing of the lug in the 75 said hook end, said connection means permitting
of the side strap, as well as preventing any pos
2,409,710
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v.relative -inward and outward swinging movement
of saidY side straps relatively to the ends of said
bottom rail, and cooperaing connection means in
`said bottom rail and the lower ends of said side
straps engageable and disengageable through in
wardand' outward swinging movement of said
side straps,
4. In a Window sash assembly, a top rail having
8
glass engaged at its four marginal edges in said
channels of said top and bottom rails and said
side straps, interlocking connection means be
' tween the ends of said top rail and the upper ends
of said side straps permitting relative inward and
outward swinging movement cf said side straps
relatively to the ends of said bottom rail, and
inwardly projecting bolt embracing lug means re
a sash glass receiving channel in its under side
spectively carried by the lower ends of said side
and a longitudinally disposed‘passage open at its 10 straps engageable and disengageable with respect
ends, a bottom rail having -a sash glass receiving
`to said passage means in the ends of said bottom
«channel in its upper side, a pair of side straps
rail through said inward and outward swinging
fhaving sash glass' receiving channels in theirl
movement of said side straps, each of said lug
inner sides, a rectangular sash glass engaged at
means including a projecting portion of inverted
itsfour marginal edges in said channels of said
>U-shape in cross-section engageable over said
top and bottom rails and said side straps, inter
sash lock `bolt and a tubular portion within said
locking connection means between the ends of
side strap constituting a guide passage for said
>said top‘rail andthe upper ends of said side straps
bolt.
comprising a hook extension member engaged
7. In a window sash assembly, a top rail having
and secured in said top rail passage at each end, 20 a sash glass receiving channel in its under side,
and hook engaging means at the upper end of
a'bottom rail having a sash glass receiving chan
each of said side straps engageable by said hook
nel in its 'upper side and longitudinal passage
extension, said connection means permitting rela
means, open at each end of said bottom rail and
having sash lock bolts engaged therein at each
tive inward and outward swinging movement of
said side straps ‘relatively to the ends of said bot
end Vfor projecting and retracting movement, a
pair of >side straps having sash glass receiving
tom rail, and cooperating connection means in
said bottom ‘rail and the lower ends of said side
channels in their inner sides, a rectangular sash
straps engageable and disengageable through said
glass engaged at its four marginal edges in said
inward and outward swinging movement of said
channels of said top and bottom rails and said
side straps.
30 side straps, interlocking connection means be
5. In a window sash assembly, a t-op rail having
tween the ends of said top rail and the upper
ends of said side straps permitting relative in
a sash glass receiving channel in its under side,
a bottom rail having a sash glass receiving chanu
ward and outward `swinging movement of said
side straps relatively to the ends of said bottom
nel in its upper side and longitudinal passage
means, open at each end of said bottom rail and 35 rail, and inwardly projecting bolt embracing lug
means respectively carried by the lower ends of
having sash lock bolts engaged therein at each
said side stra-ps engageable and disengageable
end for projecting and retracting movement, a
pair of side straps having sash glass receiving
with respect to said passage means in the ends of
said bottom rail through said inward and outward
channels in their inner sides, a rectangular sash
glass engaged at its four marginal edges in said 40 swinging movement of said side straps, each of
said lug means being of inverted U-shape in cross
channels of said top and bottom rails and said
section and engageable over said .sash lock bolt
side straps, interlocking connection meansl be
and having a screw receiving hole in one side,
tween the ends of said top rail and the upper ends
and a fastening screw carried by said bottom rail
of >said side straps-permitting relative inward and
outward swinging movement of said side straps 45 engageable with said screw receiving hole and
disposed entirely at one side of said bolt.
relatively to the ends of said bottom rail, and
8. In a window sash assembly, a top rail having
inwardly projecting bolt embracing lug means re
a sash glass receiving channel in its under side,
spectively carried by the lower ends of said side
straps engageable and disengageable with respect
a bottom rail having a sash glass receiving chan
nel in its upper side, a side strap having a sash
to said passage means in the ends of said bottom
rail'through said inward and outward swinging
glass receiving channel in its inner side, a ver
tically engageable interlocking hook and slot con
movement of said side straps, each of said lug
means being of inverted U-shape in cross-section
nection-means cooperating between an end of said
and engageable over said sash lock bolt.
top rail and the upper end of said side strap per
6. In a window sashassembly, a top rail having 55 mitting inward and outward swinging movement
of said side strap relatively to an end of said bot
a sash glass receiving channel in its under side,
a bottom rail having a sash glass receiving chan
tom» rail, and laterally engageable lug and passage
nel in its upper side and longitudinal passage
connection means cooperating between said bot
means-,open at each end"of said bottom rail and
tom rail and the lower end of said side strap en~
having sash lock bolts engaged therein at each 60 gageable and disengageable through inward and
outward swinging movement of said side strap.
end for projecting and retracting movement, a
pai),` of side straps having sash glass lreceiving
channels in‘their inner sides, a rectangular sash
JOSEPH SCHUNK.
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