US2664599A - Window structure - Google Patents

Description

A. ZITOMER WINDOW STRUCTURE Jan. 5, 19.54

2 Sheets-Sheet l Filed Jan. 2, 1948 A. ZITOMER WINDOW STRUCTURE `Fim. 5, 1954 2 Sheets-Sheet 2 Filed Jan. 2, 1948 Patented Jan. 5, 1954 UNITED STATES PATENT OFFICE WINDOW STRUCTURE Abe Zitomer, Milwaukee, Wi`s. assigner tw Alumatic Corporation of America, Milwaukee-Wi's. a corporation of Wisconsin Application January 2, 1948, SerialNo. 196

l 1 Claim. l-

'ihis invention relates to improvements in window structures using sliding metal sash. As explained in my companion application 728,229, led February 13, 1947, now Patent No. 2,630,891 issued March 10, 1953, the invention is particularly adapted for use in storm sash, but the entire structure or individual features thereof, may also be used interiorly as the main sash.

The present invention relates to improvements on the device of my companion application above identified for the purpose of making the sash more weathertight and facilitating the construction thereof and improving the appearance.- A further and major improvement relates to a provision for locking the sash either in their closed position or in intermediate positions of adjustment and effecting the releasing and locking by the same lateral'movement of the sash which., carried further, will release the sash from the side guides.

In the drawings:

Fig. l is a View in perspective showing the exterior appearance of my improved window structure as applied to a building, one of the corner plates preferably employed therewith being omitted.

Fig. 2 is a view in perspective on a slightly enlarged scale of one of the corner plates used in nishing the window structure.`

Fig. 3 is a view of the window structure from the interior, portions thereoi being broken away.

Fig. 4 is a View through the window structure in vertical section on a greatly enlarged scale, portions thereof being broken away.

Fig. 5 is a view taken in horizontal section through the window structure,` portions thereof being broken away. A

Fig. 6 is a fragmentary detail view partially in elevation and partially inusection.

Fig. 7 is a fragmentary detail view in perspective.

Fig. 8 is a fragmentary detail view in perspective showing a corner of one of the sash embodying a modified construction.

HIn the embodiment in which the invention is illustrated, it is particularly designed for application to existing window frames. The generally conventional frame shown at l in Figs. 4, 5 and 6 provides channels or ways for the conventional double-hung sash which includes upper sash 2 and lower sash 3. The frame comprises a sill at 4 and external facing trim 5.

To such a frame I have applied a set of sash guides 6, 1 and 8 which, assembled as illustrated in Fig. 1, have the appearance of constituting LGI. 20L-522iV 2 au fram-e but are, in fact., separate` pieces, having no connection except such as is derived from their indivi-dual mounting on the external- -nish 5 of the wooden frame shown.

The sash guide membersA 6 l and 8- are preferably all made of extruded sections. Members i and 8 may bel identical in crosssection asy shown in Figs.. 4 and 5. Each includes a ange 9 of substantial` width which @verlies the face of the trim member 5l and is individually screwed thereto. To the flange 9 is integrally connected the base web I6 from which projects the flanges |124r |3- in which the sash move. From the inner edge of the base web ID extends a short flange Hi preferably parallel to ange 9, the end of which abuts the bottom or inner edge. of the trim member 5, as shown in Fig. 5'.

The guide member 6, at the opposite side of the Window opening, is of modified construction. It has at 9|! a flange substantially identical in Width and form to the ange 9. Like flange 9 it is screwed at intervals to the window trim or facing 5. Its base web |00 corresponds in function to the base web ID but is set back to dispense completely with the short iiange I4. The flanges H6, |20 and |30 are correspondingly elongated to provide deeper ways than those of guide member 8. In each such way is placed a channel-shaped slide |5 which extends the full height of the window and is biased laterally by a convoluted spring I6 which likewise extends the full height of the window, this arrangement being best shown in Figs. 5, 6 and 7.

To cover the mitered corners where the sas'n guides 6, 'l and 8 meet, I may employ corner pieces 66 (Fig. 1 and Fig. 2), each comprising a plate in the form of a right angle having an inwardly turned right angled ange at 5| fitting the inside margins of the contiguous sash guides and outer marginal anges e2, 63 meeting at the corner apex 64 and embracing the outer margins of contiguous sash guides. The plate may be apertured to receive mounting screws as shown at 65. Where the plate is used, the corners of the guide members need not even be mitered.

Another feature which is an improvement over the sash guides disclosed in my companion application consists inthe preferred provision cn each of the anges of an outwardly formed rib 9| behind which I may introduce calking at Si! (Fig. 4) to seal the joint between the nanges and the wood trim 5, Where the corner plate ($6 is used its recessed flanges 62 and 63 provide for unbroken calking even where the sash guides are not mitered. This calking and the corner plates 60 above described, provide a relatively weathertight connection between my installation and the window frame structure to which it is applied.

The sash are preferably also made of extruded metal sections. These sections may be uniform around three sides of each sash, using the construction shown at i3 in Figs. 4, 5 and 7. Each of the sash rails thus formed is channel-shaped in cross section and provided interiorly with an integral rib I3 against which the glass 2li seats, as also shown in Fig. 6. The extruded rails are mitered together at their corners and the corner is spanned by a gusset 2l engaged from both sides by a boss 22 produced by punching inwardly on the metal walls of the hollow rails i8. This holds the rails tightly together at the corner and they may also be soldered or brazed if desired.

Alternatively, I may use the construction shown in Fig. 8 whereby the reenforcing member 2HE comprises a corner piece having leas 2li, 25E at right angles to each other and fitted with substantial accuracy into the contiguous rails i8, the inner margins of the legs 2| l, 2l2 abutting the rib I9 above described. This makes a very rigid construction and the corner insert 295i may be tapped to receive the screws 22@ inserted through the outer sides of the respective rails As in the construction previously described, the miter joints between the rails, and the joints of the respective rails with the corner insert 2li? may be soldered or sweated or even cemented together if desired.

The check rail 2d of the lower` sash and the bottom rail 2li@ of the upper sash (Fig. 4.) are nearly identical with each other but diierent from the rails I8 already described. They are respectively extruded to provide integrally the weatherstripping iianges 25, 250, the respective flanges passingr each other in the closed position of the sash and each having face bearing contact with the inner surface of the rail of the opposite sash as shown in Fig. 4.

As will hereinafter be described, the respective sash are movable laterally in the sash guides for removal and insertion. In order to accommodate such relative lateral movement, it is necessary that the weatherstripping flange 25 of the respective sash be somewhat shorter than the total width of the sash. Accordingly, it terminates short of the flange 125i, as is best shown in Figs. and 7 and I provide a slide 25l which is flanged to hook over the top of the check rail trunk 2li. and to engage beneath the free margin of the weatherstripping iiange and is slidable on the check rail 242 between the full line position and the dotted line position illustrated in Fig. 7. In the latter position, the gap left between the iiange i2@ of the sash guide and the flange 25 of the check rail 24 is closed, whereas in the full line position the gap is open to permit the lateral movement of the sash preliminary to its removal.

In order to facilitate tting the sash to any conventional window opening, while allowing for inevitable differences in dimension, I provide a special adjustable sill or seat best shown in Figs. 3 and 4 and designated generically by reference character 26. This also is made of extruded sections. The channel-shaped section 2'! has an angularly divergent flange 23 providing a straight sided shoulder at 29 upon which the lower window sash seats, when closed. Within the channel 2l is the plate member 30, also of an extruded section, such plate having slots S for adjustment and being bifurcated at 3| to receive elastic weatherstripping 32. The weatherstripping may have notches SZQ shown in Figs. l, 3 and 4 for allowing the escape of any water which might otherwise be trapped therewithin. Clamping bolts 33, extending through the opposing sides of the channel-shaped outer member 2l, hold such sides in clamping adjustment upon the inner slotted plate 3D. The slots @Sie accommodate a considerable range of adjustment between the plate 30 and the channel 2l so that the composite sill 26 may be so fixed as to height that the seat 29 will, in each installation, receive the lower sash when the weatherstripping flanges 25 are engaged substantially as shown in Fig. 3.

The thickness of the supplemental sill member 26, and its width, are substantially the thickness and width of the sash. Consequently, the ends of the sill 2S are received into the ways of the sash guides E and 8 and are detachable therefrom in the same manner as the sash, as will presently be described. The flange 28 must necessarily be cut off to permit the ends of the sill 26 to be received into such ways.

Whether the sash as herein described are glazed or tted with screen cloth, their weight is extremely slight as compared with conventional window structures. The extruded metal is preferably aluminum or magnesium alloys and its mass i5 small. Consequently no sash balances cf any kind are required. The sash moves freely up and down in the ways provided by the sash guides 6 and 8 and are held by the bias of their respective springs I6 in any position of adjustment.

The beaded edges of the flanges ii, l2, i3 and HQ, ld, IEB lit very closely to the rails of the sash and the channels l5 which bear against the sides of the sash under the thrust of springs I6 hold the sash tightly engaged at their edges to provide substantially hermetic sealing.

Yet the sash may be removed almost instantly by pressing it to the right, as viewed in Fig. 3 (to the left as viewed in Fig. 7) to displace its associated thrust channel l5 by compressing the convoluted spring ifi until the lefthand side of the sash clears the way in which it slides in the guide member 8. Thereupon the sash may be lifted bodily from its guides, the bead of flanges IIB, 29, i3d restraining the channels i5 from escaping from the righthand ways in guide member B when the sash is removed. As the sash are normally positioned for sliding movement in their respective ways, they are centered in the window opening, there being approximately the same portion of the sash concealed behind the flange H of guide member 8 as is conceal-ed behind the flange IEE) of guide member *5. The ability of the spring biased channel i5 to yield when the sash is thrust to the right must be such that the lefthand margin of the sash will completely clear flange Il.

Upon withdrawal of the sash, the channel l5 moves out under thrust of spring it to the full limit permitted by the marginal beads. It will be noted from Fig. '7 that the beads are tapered to guide the sash as it is being reintroduced into the way in which it slides.

If the main window sash 2 and 3 meet at a point such as to preclude manipulation of the lower sash in the manner above described, it is only necessary to raise the lower sash slightly and then remove the sill unit 2b by pressing it to the right (Fig. 3) and withdrawing its lefthand end. The lower storm sash may then be lowered to clear the main window sash 2 completely and may readily be withdrawn through the opening provided by raising the main lower sash 3. The upper storm sash may then be lowered to the same level and removed through the same opening. |This makes it possible to wash the glazed sash at the kitchen sink, if desired, or to replace them with screen sash with equal facility. Yet the assembled window structure is more weathertight than the average storm sash equipped with weatherstripping.

By simply providing web I8 of the sash guide 8 with apertures 34 opening from the respective guide channels, and by providing the sash with projecting pegs receivable into such apertures as shown in Figs. 3 and 5, it is possible to hold the sash locked against vertical movement in any position at which apertures are provided. The sash are readily disengaged from any aperture by moving the sash bodily to the right as viewed in Fig. 3 and may then be raised or lowered and engaged, if desired, with another aperture at a diierent level. Fig. 3 shows a number of such apertures. Thelength of the pegs is such that less movement is required to engage and disengage them respecting the apertures than is required wholly to free the sash from its guide channel. Since the movement of the Sash laterally for disengagement of the pegs is subject to bias of the springs I6, the springs tend at all times to hold the sash in locked position.

Due to the use of standardized extruded sections, my improved window may be applied to practically any conventional window regardless of its size. The members 6, l and 8 may be cut and mitered on the job and simply screwed in place, giving the appearance, however, when assembled, cf a complete metal frame.

The slideabe sash used in the guides may likewise be assembled on the job if so required to it an odd shaped Window, although it is normally intended that these be manufactured in stated sizes.

Not only does the adjustable sill make possible the application of my improved window structure in windows having minor variations in dimensions, but it will also be noted that the screwing of the guide members 6, l, 8 to the Window frame trim permits my guide members to be mounted in accurate relationship to each other, regardless of inaccuracies in the spacing, or lack of parallel of the sides of the Wooden frame.

I claim:

In a window structure the combination with a sash member and a guide member, the sash member being slidable and movable laterally respecting the guide member, and the guide member having a channel in which the said movements of the sash member are accommodated and interlocking means on said members normally restraining the sash member from movement in a sliding direction respecting the guide member, one of said members having a fixed projection and the other a recess comprising said means in further combination with a second guide member having a sash receiving channel suiliciently deep to accommodate lateral movement of the sash suiliciently to disengage said means, together with a spring in said last mentioned channel biasing said sash toward a position for engagement of said means, and a spring follower interposed between the spring and sash in the last mentioned channel, said last mentioned channel being sufficiently deep so that, upon full compression of said spring, the sash may be wholly disengaged from the channel of the guide member rst mentioned, the said means being engageable and disengageable upon sash displacement laterally to an extent less than that required for the removal of the sash.

ABE ZITOMER.

References Cited in the le of this patent UNITED STATES PATENTS Number Name Date 15,578 Sessions Aug. 19, 1856 29,631 Messer et al. Aug. 14, 1860 210,495 BurroWes Dec. 3, 1878 251,432 Go Dec. 27, 1881 392,924 Klein Nov. 13, 1888 1,248,928 Shroyer Dec. 4, 1917 1,413,918 Lamb Apr. 25, 1922 1,699,079 Ruchie Jan. 15, 1929 1,706,347 Brown Mar. 19, 1929 1,726,205 Zeik Aug. 27, 1929 1,754,513 Hamm Apr. 15, 1930 1,808,607 Polachek et al June 2, 1931 1,832,078 Zahner et al. Nov. 17, 1931 2,013,207 Hamm et al Sept. 3, 1935 2,049,925 Rafter Aug. 4, 1936 2,084,776 Peremi June 22, 1937 2,200,547 Grady et al. May 14, 1940 2,203,427 Dautrick June 4, 1940 2,282,061 Jasperson May 5, 1942 2,292,273 Kaufmann Aug. 4, 1942 2,299,651 Peremi et al. Oct. 20, 1942 2,321,554 Milnor June 8, 1943 2,371,724 Young Mar. 20, 1945 2,395,673 Krantz Feb. 24, 1946 2,427,915 Krantz Sept. 23, 1947 2,430,059 Krantz Nov. 4, 1947 2,430,772 Kammerer Nov. 11, 1947 2,467,511 Van Fleet Apr. 19, 1949 2,541,926 Krantz Feb. 13, 1951 FOREIGN PATENTS Number Country Date 12,591 Great Britain 1891

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