US2378255A - Window structure - Google Patents

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Publication number
US2378255A
US2378255A US442926A US44292642A US2378255A US 2378255 A US2378255 A US 2378255A US 442926 A US442926 A US 442926A US 44292642 A US44292642 A US 44292642A US 2378255 A US2378255 A US 2378255A
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Prior art keywords
weatherstrip
sash
weatherstrips
invention
sashes
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Expired - Lifetime
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US442926A
Inventor
Earl C Swanson
Harold A Smothermon
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Andersen Corp
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Andersen Corp
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Priority to US442926A priority Critical patent/US2378255A/en
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    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/42Sliding wings; Details of frames with respect to guiding
    • E06B3/44Vertically-sliding wings
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/42Sliding wings; Details of frames with respect to guiding
    • E06B3/44Vertically-sliding wings
    • E06B2003/4438Vertically-sliding wings characterised by the material used for the frames
    • E06B2003/4446Wood

Description

,June 12, 1945.

Z5 ze E. C. SWANSON ET AL WINDOW STRUCTURE Filed May 14, 1942v 3 sheets-sheet 2 INYL'NOK E. C. 5 wanson P. C. Gas/(Ell l-/.A .S mothcrmon lJune 12,` 1945.

E. C. SWANSON ETAL WINDOW STRUCTURE Filed May v14, 1942 I s sheets-sheet 3 LC. 5 wanson R Gas/(ell HA Smothcrmon Patented June 12, `1945 K Earl C. Swanson, Perry Craig Gaskell, andHarold A. Smothermon, Bayport, Minn., assignors to ,Andersen Corporation, Bayport, Minn., a

poration of Minnesota Application May 14, 1942, Serial No. 442,926

1 claim.

This' invention relates to window structures, particularly ofthe double hunggtype, and the invention resides specically in means for sealing the window against the entrance of air and dust when the sashes are in closed position.

It is an object of our invention to provide a new type and principle of weatherstripping for counterbalanced sashes in which the counterbalancing means serves to maintain the weatherstrip in weather-sealing position.

Ano-ther object 'vof our invention is,v to provide `Still anotherobject of the invention is to pro-y v vide a weatherstrip so mounted upon a sash that vertical force applied to the strip will be trans- (Cl. 2li-52.6)

Fig. 5 is a fragmentary vertical sectional vview of the'upper part of a Window frame and sash showing the application of the invention toa spring counterbalanced sash; f

Fig. 6 is a fragmentary isometric view of a sash and weatherstrip showing the attachment of the latter to the tape. of a Vspring counterbalance;

Fig. 7 is a view in vertical section ofa double hungwindow showing amodied form of weatherstrip-operating means; f

Fig. 8 is a, fragmentary section view `on an enlarged scale of the'upper part of the window shown in Fig. 7;'

Fig. 9 is a view similar to Fig. Siy of the lower part of the same window; `and Fig. 10 is a view in elevation on a very much v enlarged scale of the connection Vbetween the lated into horizontal force, thereby urging the `ous advantages thereof will be more fully brought out as the description proceeds.

In the accompanying drawings we have illustrated a practical embodiment of our invention, together with two modifications thereof. But it is to be understood that the drawings Aare illus-A trative merely and that we do not confine ourselves to the precise details disclosed. Numerous other modifications will readily occur .to those skilled in the art which may readily vbe' made without departing from the spirit of our inven. tion or the scope thereof as denedin the appended claims.

In the drawings,

Fig. 1 is a view in elevation, from Ithe outside of a building, showing a double hung window embodying our invention;

Fig. 2 is a view in horizontal section .taken on line 2-2 of Fig. 1;

Fig. 3 is a view in vertical section taken on line 3-3 of Fig. 1;

Fig. 4 is a fragmentary isometric view on an enlarged scale showing the weatherstrips and sashes and their relation to the respective vstops on the frame;

weatherstrip and the sash stile.

So far as appearance is concerned, a double hung window embodying our invention will not look materially kdifferent from the ordinary double hung window. Furthermore, many of the details of construction of the frame itself and of the sashes are standard and well'known.

For example, our window, as seen from the outside of a building (see Fig. 1), appears to bean ordinary double hung window comprising an upper o1' outer sash II and a lower or inner sash I2, and the window opening is surrounded by any suitable form of outside casing membersy I3. Upon the inside of the building,'the window opening will be surrounded by the usual interior trim pieces I 4.r

The frame of our window comprises the usual head yjamb I5, sill I6, and. side jambs IT. Suit able blind stops I8 are provided which, with the parting stops I9, form the channel in which the outside sash II slides. Inside stops 20 cooperate with the said parting stops I9 to form the channel in which the inside sash I2 slides.

Beyond'the side jambs I1 are the weight pockets 2| in which move suitable counterweightsv 22 which are connected. to the sashes in'a manner presently to be described. For purposes of illustration, the coun-terweights 22 are here yshown to be made of concrete and their weightA may be 'increased by using iron ore as the aggregate.

However, for the purposes of the presen-t invention, the particular construction of the counterweights is not important. y

Our invention resides particularly 'in the weatherstripping of a window having the general features above described. Our new and improved weatherstrip and the method of operating the same will now bev described as follows:

Ordinarily, weatherstrips for windows are made of metal, such as aluminum, zinc or bronze. Our weatherstrip indicated by the reference character 23 is made of wood and, preferably, a hard wood such as maple. The weatherstrip 23 has a portion locatedI in a groove 24 in the sash stile and another portion extending beyond and parallel to the sash stile, as more particularly shown in Figs. 2 and 4.

The weatherstrip 23 is movably mounted upon, and with respect to, the sash stile by means of pins 25 which pass through a plurality of inclined slots 26 in the weatherstrip.

As vmore particularly shown in Fig. 3, the` weatherstrips 23 are connected to the sash cord 21 by suitable pins 28. These sash cords extend upwardly and over the usual pulleys 29 to the back of the jainb where they are connected to the counterweights 22. In this way the weatherstrips are connected to the counterweights and- Vcounterbalanced type.

-balanced by means of tapes and springs.

It will be understood, of course, that any suitable and well known form of weatherstripping .may be employed at the check rails of the sashes as well as at the bottom rail of the inner sash.

In the embodiment of our invention, as thus far described, we have `applied the invention to sasheswhich are oounterbalanced by the usual counterweights and sash cord. It will be readily understood that our invention is equally applicable to the type of window which is counter- For example, in Fig. 5, we have shown the upper part of a double hung window of the spring- In this form of the invention, 30 represents the spring housings located above .the head jamb and from them issue tapes 3| which will be connected to weatherstrips 32, which are similar to'the weatherstrips 23 heretofore described; which is to say that said weatherstrips are connected by pins 33 and inclined slots 34 t0 the sash stiles. (See, also, Fig. 6.)

In Figs. 'l to l0, inclusive, we have illustrated `another modification of our invention. In this since the connection of the weatherstrip to the sash stile is by means of the inclined slo-ts 25, it follows that the vertical lifting force of the counterweights is translated into substantially horizontal force. For example, looking at the inner or lower sash I2 in Fig. 3, the action of' the counterweight is t0 lift up the weatherstrip 23 and because of the inclined slots 26 the said weatherstrip is urged forwardly into contact with the inside stop 20. At the same time there will be an equal and opposite reaction tending to move the said lower sash I2 outwardly so that the outer surface of its stiles will be pressed firmly into engagement with the parting stop I9.

Similarly, with respect to the upper or outer sash Il, as shown in Fig. 3, the counterweight will lift up the weatherstrip 23 and by reason of the inclined slots 2B, the said weatherstrip will be urged outwardly into contact with the blind stops I8. At the same time there is an equal and opposite reaction movement of the said upper sash inwardly so as tov press it firmly into engagement with the parting stops I9.

Inasmuch as our weatherstrips are made of wood, they should preferably be treated against moisture absorption. It is also desirable in order to insure smooth and easy operation that the said weatherstrips be waxed and this may also be done with the parting stop I 9 so that the sashes will slide more easily in contact therewith.

It will be seen, therefore, that the weatherstrip thus far described is a decided departure from the types and principles of weatherstripping heretofore employed. We have provided a relatively inexpensive but very efficient type of weatherstripping operating upon an entirely new principle. We utilize the counterbalancing equipment for the purpose of maintaining the weatherstrip in weather-sealing position. Because of the slot and'pin connection between the weather strip and the sash stile, it will be understood that the weatherstrip will readily accommodate itself notwithstanding any shrinkage or swelling of the respective parts due to normal atmospheric conditions.

By making our Weatherstrips of wood, we also dispense with the use of the critical metals such as aluminum, zinc and bronze, which have heretofore been used for weatherstrips.

form, generally speaking, we employ 'the same form of wood weatherstrip, as we have heretofore described, and the said wood weatherstrip is connected to the sash stiles by slot and pin connections. However, in this embodiment ofl the invention we do not connect the weatherstrips to the counterbalancing equipment but employ a different means for automatically moving the weatherstrip into 'weather-sealing position when the sashes are closed.

Thus, in Fig. 7 we have shown in vertical section a double hung window comprising a lower sash 35 and an upper sash 36 which are slidable in the customary channels provided in double hung window constructions. The sashes are provided with wood weatherstrips 31 which are connected-to their respective stiles by pins 38 and inclined slots 39. In this form of the invention the sash cords 40 are connected directly to the sashes as at 4i and pass over the customary pulley 42 to the counterweight on the other side of the jamb.

As more particularly shown in the enlarged detailed view, Fig. 10, we employ compressed coil springs 44, one on each side of the pin 38, which tend to keep the weatherstrip 31 normally in iixed position with respect to thesash stile. In its normal fixed position the weatherstrip will projectI beyond the face of the sash stile and into contact with the adjacent stop; so as to prevent rattling of the sash when it is open. The coiled springs will provide sufficient pressure on the weatherstri'p for this purpose in the same way as the counterweights do in the embodiment of the invention heretofore described. Such contact between the Weatherstrip and the adjacent stop will not interfere with the sliding of the sashes, which operation is also facilitated by waxing the weatherstrips and the stops.

In the form of our invention illustrated in Figs. 7 to 10, We provide means for automatically moving the weatherstrip into weather-sealing position when the sashes are closed. This means comprises pressure blocks 45 secured in theupper and lower cornersof the frame in such position that they will engage the weatherstrips 3l -when the sashes are moved into closed position and thus impart vertical movement to said scribed, the weatherstrip on the lower sash will be urged forwardly into contact with the inner stop and the weatherstrip 31 of the upper sash y will -be urged outwardly into contact with the blind stop. At the same time, and in the same manner heretofore described, the sashes will be moved by the opposite and equal reaction into contact with their respectively adjacent sides of the central parting stop.

In the form of the invention as illustrated'in Figs. 7 to 10, inclusive, the weatherstrips are shown and described as being mounted upon the sash stiles and the pressure blocks for operating the Weatherstrips are mounted upon the frame. However, to those skilled in the art, it will be readily apparent that in this form of the invention the weatherstrips may equally well be mounted upon the frame and the pressure blocks upon the sashes. This, of course, would be an obvious reversal of the arrangement herein illustrated and described and We contemplate. that such reverse arrangement may be used if desired.

In connection with the embodiments of the invention illustrated in Figs. 1 to 6, inclusive, in which the counterbalancing means serves to hold the Weatherstrip in operative position, it may be desirable to assure even firmer contact between the weatherstrips and their adjacent stops when .the sashes are in closed position. To this end we may provide pressure blocks similar to the blocks 45 heretofore described which will operate to bring t-he weatherstrips tightly into engagement with their stops, thus supplementing the pressure or force of the counterbalancing means.

From the foregoing description, those skilled in the art will readily understand the construction and operation of our invention. It Will :be appreciated that We have provided an entirely new form of weatherstrip consisting of a Wooden member movably mounted upon a sash stile and so arranged that when the sash is closed the said movable member will be in weather-sealing position. This is accomplished in one form of our invention by connecting the movable weatherstrip to the counterbalancing equipment, and in another form of our invention by the use of suitable pressure blocks which move the weatherstrip when the sash is closed. As above described, the

" pressure blocks may also be used in connection with the embodiment of the invention in which the counterbalancing means serves to move and hold the weatherstrip in sealing position. By our arrangement, We have eliminated to a-large extent 'the use of metal in Weatherstripping windows. We have provided a weatherstrip of cheaper material and yet, by our arrangement we have provided a very eicient structure.

We claim as our invention:

A double hung window stru-cture comprising a frame having side jambs, inside stops and blind stops, a parting stop on said jambs forming with said aforementioned stops a pair of channels, a pair of saslies slidably mounted insaid channels, said sashes having stiles provided with longitudinally extending grooves in their edges, weatherstrips vmounted in said grooves and having portions extending along the edges of said stiles and towards their respectively adjacent stops, the mounting for said weatherstrips comprising pins on said sashstiles andinclined slots in said weatherstrips, the slots in the weatherstrip ony one sash being oppositely inclined with respect to the slots in the weatherstrip on the other sash, and counterbalancing means for said sashes connected to said weatherstrips, said counterbalancing means acting on said weatherstrips and said'sashes to move said weatherstrips in opposite directions into contact with their respectively adjacent stops and simultaneously to move saidA sashes in opposite directions into contact with the opposite faces of said parting stop.

EARL C. SWANSON.

PERRY CRAIG GASKELL.

HAROLD A. SMOTHERMON.

US442926A 1942-05-14 1942-05-14 Window structure Expired - Lifetime US2378255A (en)

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