US 2939188 A
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3 Sheets-Sheet 1 `lune 7, 1960 J. A. WAHLFELD STORM WINDOW cAsING Filed Feb. 2, 1959 FIG! wlllll ....l a
INVENTOR: JAMES A. WAHLFELD June 7, 1960 J. A, WAHLFELD v2,939,188
STORM WINDOW cAsING Filed Feb. 2, 1959 5 Sheets-Sheet 2 INVENTOR.- JAMES A. WAHLFELD June 7, 1960 J. A. WAHLFELD 2,939,188
STORM WINDOW cAsING Filed Feb. 2, 1959 3 Sheets-Sheet 3 FIGB 88 JNVENTOR; i JAMES A. WAHLFELD STORM WINDOW CASNG James A. Wahlfeld, 216 W. Stratford Drive, Peoria, lll.
Filed Feb. 2, 1959, Ser. No. l790,719
7 Claims. (Cl. Ztl- 55) This invention relates to an improved device for use in building construction, more particularly it relates to an improved Window unit with aluminum exterior n casing containing an improved combination storm and screen as an integral part of a prime window unit with wood frame and exterior sash members.
Storm windows are mounted exterior of the conventional window in order to make the windows more weather tight and decrease the convective heat loss through the window pane due to the large winter time temperature differential between the two sides of the pane. The effcctiveness of the storm Window is determined in a large measure by the tightness of the seal about the edges thereof. The'insulation effect of the storm window depends tainly upon the air in the space between the storm Window and conventional window being sealed and still.
Another disadvantage in metal window-case construction is that metal is a good conductor of heat and transports heat through the metal window casings outward where it is lost. Hence, a metal storm window casing used in conjunction with a conventional metal window casing may, if precautions are not taken, transport enough heat out through the metal members supporting the panes at a rate that minimizes the beneficial insulation effects ofthe storm window. lt is necessary to insulate the metal storm window casing from the conventional window metal casing.
Still another weatherproong problem commonly encountered occurs when the exterior covering, whether Vit be brick or sidingypulls away from the exterior win- ,dow casing. VIn severe climates thermal expansion and contraction of construction materials is sutcient to create openings about the window frames. Metal ashing posi- .tioned under the exteriorV covering and fastened to the window jambs and sheathing is a desirable thing to combat infiltration of elements of weather and help upon the insulation problem `about the window casing. However, heretofore the use vof metal sheating about window frames generally leaves an unsightly protrusion of the flashing material. Although it is possible to cover the edges of the flashing which shows around the exterior of a Window frame with moulding trim such is not entirely satisfactory.
The present invention combines the functions of flashing, storm window casing, and functional trim about the window in a way best adapted to weatherproof the region about the window and insulate the storm window casing from the other interior metal portions of the conventional window structure.
Accordingly, one object of my invention is to provide a combined storm window casing and window frame ashing.
.Another object is to provide a storm window casing readily adapted to be mounted on window frames ofdifferent' designs and having rather wide tolerance varia; tion in window frame dimensions and jamb dimensions., Another object of my invention is to provide a cornbined adjustable metal stormjvindow casingvandmetal States arent -flashing which aords a complete metal seal against the rice climate, which .preferably is an integral part of the original equipment and adjusts to the climatically induced thermal expansion and contraction of the building and the metal casing parts.
Still another advantage of my invention is the feature that access to or removal of the storm window casings where the sash and screen of the storm window are suspended is facilitated Without defacing the exterior of the building.
These and other objects and advantages of my invention will be apparent from the following drawings, specication and claims.
My invention comprises briey, an improved storm window casing and window frame flashing adapted for mounting to window jambs at the sides and top thereof and comprises a sash guide having an elongated ange adapted to extend out and around the inside corner and over a portion of the exterior surface of the window jamb; a flashing strip mounted on the window jambs and comprising a at portion or web bounding the window frame and having a right angle flange at its outer edge extending over a portion of the outer surface of the jamb and having therein a groove, and preferably a second Aflange at its inner edge engaging a wall portion of the building bordering the window frame; and a channel strip having two -free edges, one free edge being received in the groove and the second edge resting against the face of the elongated casing flange whereby a weather seal is vcreated extending from the flashing about the exterior of the jamb to the metal sash guides which accommodates jambs of varying thicknesses.
My invention is further illustrated in the following drawings wherein:
Fig. l is a fragmentary cross section view of my window unit showing the storm window casing and ashing mounted to the upper portion of the window frame or head jamb in a typical frame construction;
Fig. 2 is a fragmentary cross section View of my invention adapted to brick veneer construction showing the lower portion of the window frame;
Fig. 3 is a cross section view of a typical embodiment 'of my metal storm window casing and metal window flashing such as is illustrated in both Figs. l and 2; and
Fig. 4 is a perspective view of a fragmentary section of the metal component parts of my invention such as is illustrated in Fig. 3.
Referring now to the drawings the head jamb 16 of a conventional window frame is shown in a cross section view in Fig. l. The framing members 12 are shown supporting exterior sheathing 13, and interior Wall covering v14 and trim moulding 16. The exterior siding in the embodiment of Fig. l is lap-board shown at 1S. The conventional Window sash 2t) and the glass pane 22 is Vshown in closed position against the underside ofthe head jam 19. The foregoing is descriptive of conventional construction. A preferred embodiment of my invention is shown mounted to the head jamb 10 in Fig. l. A combinationl storm window and screen casing 24, is mounted to the head jamb 10. In addition to the recesses adapted to guide and seal with the storm window and screen sash described in detail below, the casing 24 is provided with an elongated ange 26 which extends parallel with and partially covers the exterior surface 2S of the head jamb 10. A screen 30 is mounted within a frame or screen sash -32 in supported relationship. Similarly, a glass pane 34 is mounted within a frame or sash 36 as supported by and seals disposed within the contours of the casing 24. Y
Metal flashing 38 forms a weatherproof seal with the Window frame, that is the upper surface of the jamb 10. The ashing 38 is comprised of a web p ortion 40 and tworight angle anges 42 and 44, which extend in oppo- 3. site directions, one from opposite edges of the web (Figs. 3 and 4). The rst flange 42, reduced in width for special installations, is preferably provided and is positioned to under lie the interior-surfaces of the lapfbo'ards 1S and exterior of the sheathing 13; the web 40 .is posi: tioned against the outer surface 1 5'A as distinct from the exterior surface 28 of the head jamb 10; and the second flange 44 is positioned on the exterior surface of ,the jamb. That is, the flashing is mounted to the head jamb 14) and to the sheathingl 13 behind the outer siding 18, and extends over the exterior face of the jamb 10. The flange 44 is provided with a groove 46 which runs para, salsa allel with the window jamb across the top and down both lsides thereof.
A channel strip 48 having two parallel legs or free edges S0 and 52 is mounted to cover the jamb between the flashing yflange 44 and the elongated casing flange 26. vThe free channel edge 50 is inserted into and seals tightly within the groove 46; the free channel edge 52 rests tightly against the exterior surface of the flange 26 and forms a weather seal but is free Ito slide across the ange surface in adjustment to jamb thickness tolerance variations and to thermal expansion and contraction of the metal casing and slight shifting of structural parts of the building.
Figs. 3 and 4 illustrate the shapes and relationships of the various parts of the embodiment of my invention,
shown in Fig. 1 in greater detail as related to the side A jamb of the window. Both Figs. 3 and 4 are sectional views taken on a plane cut through the side of the window frame and into the Wall beyond the frame proper. In Fig. 3 the details of the recesses and contours ofthe storm window casing 24 are clearly illustrated. 'The upper storm window pane 34 is mounted within a frame or sash 36 which is made from extruded metal. The lower storm window pane 54 is mounted within a similar frame or sash 56. Both the storm window sash 36 nal side of the window frame comprised of the jambs y on top and sides. The side jamb 76 and sheathing 78 are Shown in Fig. 3, however the reference numerals for the various contours of my storm window casing are identical for top and side sections. The casing 24 is fastened to the inner side of the window frame by means of nails 80 and 82 driven into the jambs'll) and 76. The contours of the casing 24 are recessed, successively from the first guide surface 58 to the screen sash guide surface 72 and then to a supporting web 84 and flange 86.
The metal sash guide 88 for the conventional window is shown in Fig. 3. It is impontant to note that a free space 90 is provided between the casing 4iiange 86 and the sash guide 88. The space 90 contributes to insulating the storm window-casing 24 from the interior of the window frame.
The channel strip 48 is secured in place by nails 92. A further feature which contributes tol a tight all-metal seal about the exterior of the jambs is the raised tapered chanical or thermal stresses is outwardly toward the sides of the window frame.
Fig. 2 illustrates the embodiment of my invention TheV shown in Figs. 1, 3 and 4 at the lower section of the lwindow frame in a building of brick veneer construction'. A window sill 91 forms the lower part of the window frame. The sill is covered with an extruded metal sill covering 93; a metal channel 96 ts over the sill 93 and completes the lower portion of the casing. The storm window sash 56 seals against a recessed contour 98. The brick covering ts within the angle of the flashing 38 as is illustrated.
.The foregoing specification and description of specific embodiments are only illustrative of my invention; the scope of which is set forth in the following claims.
What is claimed is:
1. An improved storm window casing and yflashing adapted for mounting to window jambs comprising a sash guide having facing parallel surfaces for guiding storm window sash in sliding movements between them and an elongated ange adapted to extend over the exterior surface of the jamb, a flashing Vstrip comprising a web engaging the jamb and having a right angle ange member engaging said exterior surface of the jamb spaced from said elongated ange and having a groove, and a channel strip having two free edges, one edge being received in the groove the other edge being juxtaposed against the exterior `flange thereby formingY a metal weather sealed structure from the flashing about the jamb to the Astorm sash. 7.
2. The combination called lfor in claim 1 in which said sash guide has a jamb engaging flange supporting the inner edge of the window casing laterally in the jamb at a depth determined by said elongated ange and in spaced relationship to window sash guides mounted within said window jambs, said channel strip holding said sash guide in said spaced relationship upon said jambs.
3. An improved storm window casing and ashing adapted for mounting to window jambs of low heat conductive material comprising a sash guide having facing parallel surfaces for guiding storm window sash in sliding movements between them and an elongated metal flangeadapted to extend over and rest against the exterior surface of the jamb, a hashing strip comprising a webrportion resting against a surface of the jamb and having a` right angle ange member engaging said exte rior surface of the jamb spaced from said elongated flange and-having an outwardly opening groove, a channel strip having two free edges one of which is received in the groove and the other edgel being'juxtaposed against the exterior iiange, and means interconnecting said'chan- Y nelpstrip and said jamb for holding said flange member and` said elongated flange in place on said jamb thereby forming a metal weatherrsealed structure from the ilashing about the jamb to the storm sash. o
4. An improved metal storm window casing and ashing adapted for mounting to Window jambs and adapted for use with metal window sash guides comprising a storm window sash guide mounted tothe side of the jam-b and in spaced relationship to the window sash guides having in addition parallelsurfaces for guiding storm window sash in sliding movements and an elongated flange adapted to extend over the exterior surface of the jamb, a ashing strip comprised of a web and two right angle flanges one at either edge of the -web extended in opposite directions, one of said anges being provided with a groove and a channel strip having two -free parallel edges, one of said edges being inserted into the groove, the Asecondl of said edges being `juxtaposed against the elongated flange thereby forming a weather tight seal from the ashing about thev jamb to the storm window sash, kbut not connected by heat conducting metal to the interior 'of the window guidesgby reason of the spaced mounting of .the storm window sash guide with respect to the window sash guides.
5. An improved exterior metal storm window casing and flashing for mounting ontoawindow jamb having. an exterior side comprising in interlocked and juxtaposed positions a ashing strip having a web and two right angle flanges extending in opposite directions one from either end of the web, a groove being provided in one flange, a guide track set having recessed contours adapted to slidably receive the storm sash, an exterior elongated ange, the grooved ange of the flashing and the said elongated flange being mounted to the exterior side of the jamb, and a channel strip having two legs, the irst leg thereof itted into the said groove, the second leg juxtaposed against the said elongated exterior ange, whereby an all metal sealed storm window casing adapted for mounting to a wooden window casing is provided.
6. An improved exterior metal storm window casing and flashing for mounting onto a window jamb having an exterior side comprising in interlocked and juxtaposed positions a flashing strip having a web and two right angle flanges extending in opposite direction one from either end of the Web a groove being provided in one said ange, a channel strip having two free edges, one edge of which is inserted into the groove, and a guide track set adapted to slidably receive storm window sash and having an exterior elongated ange, the second edge of the channel juxtaposed against the said elongated ange forming a weather tight seal between the ashing and the storm sash.
7. An improved exterior storm window and screen casing comprising a metal guide track set adapted for mounting to Wooden window side and head jambs, the tracks adapted to slidably receive storm window and screen sash, the guide track being provided with an exterior ange which extends over a portion of the outer surface of the jamb, a flashing strip provided with two right angle anges one of which is grooved and is disposed about the exterior of the jamb opposite the said casing ange, a channel strip having two legs, one leg of which is adapted to t Within the said groove and the other leg of which is juxtaposed on the casing ange, whereby a continuous metal storm window casing is provided extending from the dashing about the exterior of the jamb to the guide tracks.
References Cited in the ie of this patent UNITED STATES PATENTS 1,245,018 Peribonis Oct. 30, 1917