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Патент USA US3026590

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March 27, 1962
H. K. LUNDGREN
WINDOW SASH STOP
Filed Feb. 25, 1960
Z5 £5
3,026,580
Èßäßßß@
Patented Mar. 27, 1962
2
upper sash for locking interconnection with the mem
ber 33.
Considering the constructional features of the stop
fastener element 11, which facilitates its dual employ
3,026,580
‘WINDOW SASI-I STGP
Herbert K. Lundgren, Oshkosh, Wis., assignor to All
metal Weather-strip Company, a corporation of Illinois
Filed Feb. 26, 1960, Ser. No. 11,283
6 Claims. (Cl. 2li-52)
ment to serve the purposes explained, the element 11 is
formed of a strip of metal, such as steel, and includes a
U-shaped end portion 35 which is slidably engageable
This invention is directed generally to window con
structions and particularly to an improved installation
carrying slidable, double hung window sashes.
over the end edges 37 of the combination sash guide and
weather stripping element 13, and incorporates a spring
More 10 clip feature to prevent accidental disconnection of the
especially, the invention is directed to novel means which
component 11 from the element 13 prior to installation
in the frame 15, and to secure the stop-fastener relative
to the sash guide 13. The other end of the stop-fastener~
extends in the opposite direction from the open end of
provide the duel function of securing a sash guide and
weather stripping element within a window frame and
of limiting sliding movement of the sashes within their
mounting frame.
Accordingly, the principal object of the invention is
the provision of a new and improved window sash mount
15
the U-shaped portion 35 and in partially adjacent, offset
parallel relation thereto. This end 39 includes a pointed
outer extremity 41 extending beyond the U-shaped por
ing construction. A further object of the invention is
tion 35 for impalement in one of the wooden transverse
to provide a window sash stop and fastener element
members 21 and 23. Connecting the pointed end part
which provides for easier and more economical installa 20 39 and the U-shaped end portion 35 is a bent segment 43
tion of the sash guide structure while, at the same time,
having one leg 45 disposed generally perpendicular to
providing a sash travel limit feature which prevents mar
the general disposition of the pointed end part 39 and
ring or damaging of the installation during use.
U-shaped end portion 35 for location, in the finished in
' Other objects and advantages of the invention will be
stallation, transversely across the path of sash movement
come apparent by reference .to the following description 25 to limit the travel of the sash in its guide track, and
and accompanying drawings in which:
thereby prevent contact between the sash and the ad
FIGURE 1 is a sectional view of a window installa
jacent frame member. More particularly, the segment
tion incorporating the features of this invention;
43 is preferably rectangular in configuration, with the leg
FIGURE 2 is a fragmentary sectional view taken along
44 disposed parallel to the leg 45 and joined therewith
30 by a section 46 at right angles to the two legs. Although
line Z-«Z of FIGURE 1;
FIGURE 3 is a fragmentary front View, partially brok
other shapes might be employed for the segment 43, the
en away, illustrating a lower corner of the window mount
described arrangement is especially designed to withstand
ing construction shown in FIGURE 1;
the forces ordinarily directed against the stop-fastener
FIGURE 4 is an enlarged, fragmentary, partially brok
during its installation and use.
35
en away, view taken along line 4_4 of FIGURE l;
As most installations commonly utilize a sash guide
FIGURE 5 is an enlarged, fragmentary, partially brok
and weather stripping element 13 extending the full
en away, sectional View taken along line 5_5 of FIGURE
height of the window frame, some provision should be
l; and
incorporated for permitting engagement of the stop
FIGURE 6 is an enlarged, perspective view of the
fastener 11 with the sash guide 13 to facilitate initial as
novel stop-fastener element employed in the disclosed 40 sembly therebetween, so that the pointed extremity 41
construction.
of the component does not initially extend beyond the
The window construction illustrated in the drawings
end edges 37 of the sash guide and weather stripping
incorporates the use of a novel element 11, which serves
element and, therefore, does not interfere with the place
as a fastener and as a stop means so as to secure a com
ment of the sash guide and Weather stripping element 13
bination sash guide and weather stripping element 13 45 against the end frame member 19. In the disclosed
within a window frame 1’5 and to limit travel of a pair of
construction, this feature is provided by cut-outs 51 in
sashes 17 carried by the window frame.
the opposed sides and at opposite ends of the parting
The particular wooden window frame 15 shown in
stop 25, which cut-outs 51 extend for at least approxi
FIGURES l and 2 is typical of many constructions and
mately the length of the pointed extremity 41 which pro
incorporates an upright end member 19 extending between 50 jects beyond the U-shaped portion 35. Of course, the
upper and lower transverse frame members 21 and 23.
Of course, it should be understood that although the
cut-outs 51 are not as long as the U-shaped portion itself.
the travel thereof. Each of the window sashes 17 car
ries one of a pair of engageable lock members 31 and
33, the lock member 31 commonly carried on the lower
lixed relation to the end frame member.
During erection of the window mounting construc
description concerns a vertically double hung installation,
tion, one of the stop-fastener elements 11 is slidably
the advantages of the invention are readily realizable in
engaged with the combination sash guide and weather
a horizontally double hung installation.
stripping element 13 at each end on opposed sides of
`Fastened by a pair of the stop-fasteners 11 in overly
the parting stop 25 and extends within the cut-outs 51
ing relation 4to the upright end member 19 is the combina
formed therein. As pointed out previously, this engage
tion sash guide and weather stripping element 13 which
ment includes a degree of over-travel required to pre
provides guide tracks for each of the pairs of window
vent projection of the pointed extremity ¿i1 beyond the
60
sashes 1'7. Except as otherwise indicated, the combina
adjacent end edge 37 of the sash guide 13. The guide
tion sash guide and weather stripping element 13 can be
13 is then laid yflush against the end frame member 19,
of any known construction. In the disclosed construc
and the pointed extremities 41 of the stop-fasteners 11
tion, the sash guide 13 includes a central parting stop of
are driven into the wooden top and bottom transverse
U-shaped formation and a pair of spring housings 27
which extend into mating vertical side recesses ‘29 in the 65 members 21 and 23, respectively, thereby securing the
combination sash guide and weather stripping element in
window sashes 17, thereby also providing guidance for
When thus in
stalled, the leg 45 of the bent segment 43 extend in the
path of sash travel to prevent striking of the upper frame
sash being movable into the path of movement of the 70 member 21 by the lock member 3‘1 incident to exces
3,026,580
Là
4
sive upward movement of the lower sash. In addition,
the stop-fastener at the lower end of the combination
sash guide and weather stripping element will limit
set, generally parallel relation with said U-sliaped por
downward movement of the upper sash, so that the up
per cross bar 53 thereof cannot be lowered to a position
tion in the direction opposite to the open end thereof, and
iinpaled within said one transverse member, said U-shaped
portion and said pointed end being joined by a portion
extending transversely of said sash guide and weather
of possible damaging interference with the lock member
stripping means in the path of sash movement to limit
3l which, when the inner sash is fully lowered, may
said movement to a point spaced from said one trans
be unintentionally located in the path of travel of the
verse member, said notched end portion of said sash guide
upper sash. Thus, the disclosed stop-fastener functions
providing initial assembly of said fastening and stop means
eifectively both to easily secure the combination sash 10 with said sash guide and weather stripping means, before
guide and weather stripping element in position on the
irnpalement of said pointed end in said one transverse
end frame member and to limit travel of the window
member, with the base of said U-shaped portion extend
sashes to preclude damage to the sashes and the mount
ing within said notch so that said pointed end does not
ing frame structure.
extend beyond the edge of said one end of said sash guide
Although shown and described with respect to a par
and weather stripping means.
ticular construction, it will be apparent that various modi
4. A stop-fastener for use with a window sash mount
fications might be made without departing from the prin
ing in fastening a sash guide and weather stripping means
ciples of this invention. For example, the stop-fastener
to a window frame which includes a wooden member eX
element might be of a different configuration and still
tending transversely of said sash guide and weather strip
serve its intended purpose, and it might be positioned 20 ping means and for limiting movement of a sash carried
elsewhere than described with respect to the sash guide i3.
by said frame relative to said sash guide, said stop
I claim:
fastener comprising an elongated metal strip having at
l. A window sash mounting construction comprising
one end thereof a U-shaped hook including a pair of
a window frame having a side member, and top and bot
legs with one of said legs being biased against the other
tom wooden members extending transversely of said side
so as to facilitate frictional assembly of said U-shaped
member, a sash guide and weather stripping means ex
hook with an end portion of the sash guide and weather
tending along said side member with at least one end
stripping means, said metal strip having its other end
thereof adjacent one of said transverse members, a win
extending in the direction opposite from the open end of
dow sash slidably engaged with said sash guide and
said U-shaped hook end and pointed for impalement with
weather stripping means for movement therealong, and 30 in the transverse frame member, said hooked end and said
means engaged with said sash `guide and weather strip
pointed end being joined by a portion extending per
ping means and including a pointed end portion impaled
pendicularly of said hooked end for extension, in a com
in said one transverse member for securing said sash
pleted window sash mounting, across the path of sash
guide and weather stripping means relative to said win
dow frame, said securing means also including means ex
tending into the path of travel of said window sash for
limiting the travel of said sash to a point spaced from
said one transverse member.
movement to limit said movement.
l
5. A stop-fastener usable in the construction of a win;
dow sash mounting for fastening a sash guild and weatherstripping means to a -window frame which includes á
2. A window sash mounting construction comprising
wooden member extending transversely of said weather
means for fastening said sash guide and weather strip
end portion of the sash guide and weather stripping
a window frame having a side member and top and bot 40 stripping and sash guide means and for limiting move=
ment of a sash Ycarried by said frame relative to the tranfs'
tom wooden members extending transversely of said side
Verse member of said frame, said stop-fastener compris-~
member, a sash guide and weather stripping means ex
ing an elongated strip of metal having at one end thereof
tending along said side member with at least one end
a U-shaped formation for slidable engagement with an
thereof adjacent one of said transverse members, and
ping means relative to said side member and for limit 45 means, said U-shaped formation including a pair of legs
with one of said legs being biased against the other leg,
ing movement of said sash relative to said one trans
said strip having at its other end a pointed part for im-y
verse member, said combined fastening and stop means
palement within the transverse frame member, said
comprising an elongated metal strip having at one end
pointed part extending in partially abutting, generally
thereof a U-shaped hook slidably engaged with an end
portion of said sash guide and weather stripping means 50 parallel relation to said other leg and outwardly beyond
and having its other end pointed and impaled within
said one transverse member, said hooked end and said
the bottom of said U-shaped formation, said other leg'
and said pointed part being joined by a bent portion in
cluding a first segment extending from said other leg in
generally perpendicular relation thereto at the end of said
in the path of sash movement to limit said movement 55 stop-fastener opposite said pointed end, a second segment
extending in parallel relation to said one leg from the
to a point spaced «from said one transverse member.
adjacent end of said first segment, and a third segment
3. A window sash mounting construction comprising a
extending in generally parallel relation to said íirst seg
window frame having a side member and top and bottom
ment from the adjacent end of said second segment to
wooden members extending transversely of said side niem
ber, a metal sash guide and weather Stripping means ex 60 the portion of said pointed part disposed in abutting,
generally parallel relation to said other leg.
tending along said side member with at least one end
6. A stop-fastener for use with a window sash mount
thereof adjacent one of said transverse members, said
ing in fastening a sash guide and weather stripping means
sash guide and weather stripping means having a portion
to a window frame which includes a wooden member ex
at said one end spaced from said side member, and in
cluding a notch therein extending inwardly of the edge 85 tending transversely of the weather stripping and sash
pointed end being joined by a portion extending trans
versely of said sash guide and weather stripping means
of said one end, and means for fastening said sash guide
guide means and for limiting movement of a sash carried
and weather stripping means relative to said side member
by said frame relative to the sash guide and weather
and for limiting movement of said sash relative to said
stripping means, said stop fastener comprising an elon
one transverse member, said combined fastening and
gated rnetal strip having at one end thereof a U-shaped
stop means comprising an elongated metal strip having at 70 hook including a pair of legs `adapted for receiving there
one end thereof a U-shaped portion slidably engaged with
between an end portion of the sash guide and weather
said notched end portion of said sash guide and weather
stripping means, said combined fastening and stop means
stripping means, said metal strip having itsv other end
extending in partially adjacent relation to one of said
having its other end pointed, extending outwardly in off 75 legs in the direction opposite from the open end of said
3,026,580
6
U-shaped hook and pointed for impalement within the
References Cited in the tile of this patent
transverse frame member, said hooked end `and said
,„
pointed end being joined by a portion extending perpendicularly of Said hooked end for extension in a completed
window sash mounting across the path of sash movement 5
to limit said movement.
UNITED STATES PATENTS
728,769
1,7425 61
Savage ______________ __ May 19, 1903
Rumpf et al. __________ __ Ian. 7, 1930
2,940,139
Koebel ______________ __ June 14, 1960
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