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Патент USA US3037257

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June 5, 1962
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w. T. DE BRUYN
.
'
_
3,037,250
COMBINED WEATHERSTRIP AND SASH BALANCE
Filed Sept. 14, 1959
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ATTORNEY,
June 5, 1962
w. T. DE BRUYN
3,037,250
COMBINED WEATHERSTRIP AND SASH BALANCE
Filed Sept. 14, 1959
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IN VEN TOR.
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ATTORNEY.
United States Patent Office
3,037,250
Patented June v5, 1962
1
2
web portion of the weather strip to receive these tongues.
As this feature forms no part of my present invention,
3,037,250
COMBINED WEATHERSTRIP AND SASH BALANCE
it is not further described.
William T. De Bruyn, Grand Rapids, Micin, assignor to
Grand Rapids Hardware Company, Grand Rapids,
Mich, a corporation of Michigan
A counter balance spring 15 is provided for each sash,
these in the embodiment illustrated ‘are provided with
Filed Sept. 14, 1959, Ser. No. 839,687
4 Claims. (Q1. 20—52.4)
sash engaging hangers 29 which engage the lower edges
of each sash.
particularly desirable for windows including upper and
stop designated generally by the numeral 16 at the upper
The opening movement of the lower sash, which may
be a combined force of the counter balance spring and
This invention relates to a combined weather strip and
sash balance for slidable sash types of windows, and one 10 the upward thrust of the operator, is checked by the
end of the way in the weather strip for the lower sash,
lower sash. The principal objects of this invention are:
and a stop designated generally by the numeral 17 limits
First, to provide a combined weather strip and counter
the downward movement of the upper sash.
balance unit including sash stop means limiting the open
The counter balance springs and the sash-engaging
ing movements of both sash.
15
hangers thereof are not illustrated in detail, as such de
Second, to provide a combined weather strip and
tails form no part of the present invention.
counter balance unit having these advantages in which
The upper sash stop 16 is formed of sheet metal and
the stop means is inconspicuous both with the windows
comprises a central body portion designated in FIG. 7
closed and with the windows open.
by the numeral 18, and inwardly turned ?anges 19 and
Third, to provide a combined weather strip and sash
20 and end ?anges 21 and 22, these being folded to the
balance having these advantages which may be pro
position illustrated in FIGS. 4, 5, and 6. The stop is di
mensioned to ?t between the adjacent spring hanger 12
duced economically and installed as a unit.
Further objects relating to details and economies of
and the ?ange 9. The upper end ?ange 22 has a down
the invention will appear from the description to follow.
The invention is de?ned and pointed out in the claims. 25 turned hook-like extension 23 which is engaged over
the upper end of the adjacent wall of the adjacent counter
A preferred embodiment of the invention is illustrated
in the accompanying drawings, in which:
balancing housing. The stop 16 is also provided with a
laterally projecting tongue 24 formed by striking out a
FIG. 1 is a perspective view including a window frame,
portion of the ?ange 20 (see FIGS. 4, 6, and 7) which
upper and lower sash, and the combined weather strip
is engaged with the inner edge of the inturned weather
and sash balance unit of my invention, parts being
strip ?ange. This effectively secures the stop 16 Without
broken away to show the relation of several parts, and
certain parts being shown conventionally.
the aid of screws or like fasteners. It will be understood
FIG. 2 is a fragmentary view in vertical section on a
that when in installed position its upper end abuts the
line corresponding to the broken line 2-2 of FIG. 3.
top casing member.
FIG. 3 is an end side elevational view of a combined 35
weather strip and sash balance embodying my invention.
FIG. 4 is an enlarged fragmentary vertical section on
a line corresponding to line 4-——4 in FIGS. 3 and 5, illus~
The stop for the upper sash, designated generally by
the numeral 17, is of inwardly facing channel section and
disposed at the bottom of the upper sash way of the
weather strip. This stop member 17 is provided with an
trating structural details including the stop for lower sash.
out-turned ?ange 26 which engages an inwardly offset
FIG. 5 is a horizontal section on a line corresponding
portion 27 of the outer ?ange 9 of the weather strip
to line 5-5 of FIG. 3.
and is further secured by means of the brad or fastener
28. One purpose of this brad or fastener 28 is to secure
FIG. 6 is an enlarged fragmentary View of the stop
for the lower sash illustrated in FIGS. 3, 4, and 5.
the stop member 17 in its vertically adjusted position
FIG. 7 is a plan view of the blank from which the
as is illustrated by dotted lines in FIG. 8. However, in
stop for the upper sash illustrated in FIGS. 4, 5, and 6 is 45 most conditions this stop 17 is adjusted so that it is sup
formed.
ported by the sill 3, as is shown in FIGS. 5, 2, and 8.
With this arrangement of parts the combination
FIG. 8 is a fragmentary view partially in vertical sec
weather strip and counter balance with its stops con
tion illustrating details of the stop for the top sash.
sponding to line 9-9 of FIG. 8.
stitutes an assembled unit, and is merchandised and in
stalled as such. When installed the stops are inconspicu
or side member of a window frame; 2 the top; and 3 the
sill thereof. These are conventionally shown, and the
joints or connections for the parts are not illustrated.
practical commercial embodiment thereof. I have not
attempted to illustrate or describe certain structural
FIG. 9 is a fragmentary view in section on a line corre
In the accompanying drawings 1 represents the jamb 50 ous but at the same time are not displaced in use.
I have illustrated and described my invention in a
variations and adaptations for particular weather strips
4 represents the lower sash, and 5 the upper sash of the
window. 6 represents the lock for the sash. This is 55 and counter balances, as it is believed that this disclosure
will enable those skilled in the art to embody or adapt
conventionally shown, but it will be understood that
commonly these sash locks or catches include a pivotal
my invention as may be desired.
member and coacting keeper, and one of the objects of
Having thus described the invention what is claimed
my invention is to provide a combined weather strip and
as new and desired to secure by Letters Patent is:
counter balance in which the parting stop or cross piece
1. A combined Weatherstrip and sash balance for win
dows including a lower and an upper sash comprising a
between the upper and lower sash is not marred or dis
?gured as a result of manipulating the sash in relation
to each other.
The weather strip designated generally by the numeral
7 is formed by a strip of sheet metal conformed to pro
vide a central parting strip 8 and forwardly projecting
?anges 9 which coact with the parting strip to form for
wardly facing sash channels 10. The edges of these
combined Weatherstrip and sash slide member having a
65
central sash parting strip and a forwardly facing channel
like bottom. and top sash slideways, said member having
forwardly projecting edge ?anges constituting the outer
walls of the sash slideways, said ?anges being folded in
wardly, sash counterbalances including coil springs pro
vided with sash engaging means at their lower ends and
combined spring housing and Weatherstrip members of
housings 12 are provided with laterally projecting ?anges 70 inwardly facing channel section provided with laterally
?anges are folded inwardly at 11. The counter balance
13 which supportedly engage‘ in slots 14 formed in the
projecting ?anges disposed in supported engagement with
3,037,250
A
3
the web portions of the sash slideways, a bottom sash
stop disposed at the top of said bottom sash slideway
posed in supported engagement with the web portions
between the spring housing therein and the adjacent
?ange and having a downwardly projecting hook on the
upper end thereof supportedly engaged with the upper
end of the adjacent spring housing, said stop having a
the top of said bottom sash slideway between the spring
housing therein and the adjacent ?ange and having a
downwardly projecting hook on the upper end thereof
supportedly engaged with the upper end of the adjacent
spring housing, an upper sash stop disposed at the lower
end of said upper sash slideway and having an outwardly
of the sash slideways, a bottom sash stop disposed at
tongue projecting therefrom retainingly engaging the
aforesaid infolded edge of the ?ange, and an upper sash
rojecting ?ange interlockingly and slidingly engaged with
stop of rearwardly facing channel section disposed at
the lower end of said upper sash slideway and having 10 the adjacent infolded ?ange of said Weatherstrip, and a
fastener member insertable through said upper sash stop
an outwardly projecting ?ange interlockingly and slidingly
for supported engagement with the web of the upper sash
engaged with the adjacent infolded edge of said weather
slideway and with a casing upon which the Weatherstrip
strip.
member is mounted.
2. A combined weatherstrip and sash balance for win
4. A combined Weatherstrip and sash balance for win
dows including a lower and upper sash comprising a
dows including a lower and an upper sash comprising a
combined weaherstrip and sash slide member having a
combined Weatherstrip and sash slide member having a
central sash parting strip and a forwardly facing channel
central sash parting strip and a forwardly facing chan
like bottom and top sash slideways, said member having
nel-like bottom and top sash slideways, said member hav—
forwardly projecting ?anges constituting the outer walls
ing forwardly projecting edge ?anges constituting the
of the sash slideways, sash counter-balances including
outer walls of the sash slideways, the ?anges of the inner
coil springs provided with sash engaging means at their
sash slideway being folded inwardly; sash counterbal
lower ends and combined spring housing and weather
ances including coil springs provided with sash engaging
strip members of inwardly facing channel section dis
means at their lower ends and combined spring housing
posed in supported engagement with the web portions
and Weatherstrip members of inwardly facing channel
of the sash slideways, a bottom sash stop disposed at
section provided with laterally projecting ?anges dis
the top of said bottom sash slideway between the spring
posed in supported engagement with the web portions
housing therein and the adjacent ?ange and having a
of the sash slideways, and a bottom sash stop disposed
downwardly projecting hook on the upper end thereof
at the top of said bottom sashway between the spring
supportedly engaged with the upper end of the adjacent
spring housing, and an upper sash stop disposed at the 30 housing therein and the adjacent ?ange and having a
downwardly projecting hook on the upper end thereof
lower end of said upper sash slideway and having an
supportedly engaged with the upper end of the said adja
outwardly projecting ?ange interlockingly and slidingly
cent spring housing, said stop having a tongue project
engaged with the adjacent infolded ?ange of said weath
ing therefrom retainingly engaging the aforesaid infolded
erstrip.
edge of the ?ange.
3. A combined Weatherstrip and sash balance for win
dows including a lower and upper sash comprising a
References Cited in the ?le of this patent
combined Weatherstrip and sash slide member having a
central sash parting strip and a forwardly facing channel
UNITED STATES PATENTS
like bottom and top sash slideways, said member having
forwardly projecting ?anges constituting the outer walls
of the sash slideways, sash counterbalances including
coil springs provided with sash engaging means at their
lower ends and combined spring housing and weather
strip members of inwardly facing channel section dis
40
1,911,469
2,284,436
2,298,406
2,828,514
2,940,139
Rosenwald ___________ __ 'tay
Lundgren ___________ __ May
Miller ______________ __ Oct.
Nardulli ____________ __ Apr.
Koebel _____________ __ June
30,
26,
16,
1,
14,
1933
1942
1942
1958
1960
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