US2632928A - Storm window sash kit - Google Patents

Description

March 3l, 1953 R. KAUFMAN 2,632,928

STORM WINDOW sAsH KIT Filed April 16, 1949 4 Sheets-Sheet l,

R. KAUFMAN STORM WINDOW SASH KIT March 31, 1953 v4 Sheets-Sheet 2 Filed April 16, 1949 PALP/-l KAUF/MAA .INVENTOR R. KAUFMAN STORM WINDOW SASH KIT Marh 31, 1953 Filed April 1e, 1949 4 Sheets-Sheet 3 RALPH Mur/ww IN VEN TOR.

March 3l, 1953 lR. KAUFMN STORM WINDOW SASH KIT 4 Sheets-Sheet 4 Filed April 16, 1949 /PALPH KAUF/M4N INVENTOR Patented Mar. 31, 1953 UNITEDY STATES PATENT OFFICE 2,632,928 s'roRM WINDOW sAsn Krr Ralph Kaufman, Walden, N. Y.

Application April 16, 1949, Serial No. 87,961 i (o1. -55) 10 Claims.

This invention relates to a storm sash to be fittedto window in the conventional type of residential building, or similar structure. It is dirccted particularly to a storm sash unit, which may be packed and sold in the conventional type of carton or container, and assembled and installed by a home-owner, or other relatively unskilled person, without special tools and withou requiring a high degree of skill.

`The primary object of my invention is to provide a storm sash unit, which can be assembled and installed, with a minimum of labor, by a relatively unskilled person.

1A further object is to provide a unit, the parts of which are readily assembled, using relatively simple fastenings, and which can be packed and shipped in a relatively small, compact container.

` vA further object is to provide a storm sash, in

which the major frame members are interchangeable and reversible, so that the same dies can be used for several of the major parts; p

`A further object is to provide a window sash construction which is light, compact, rigid when installed, readily removable without tools, and will withstand the action of the elements over sustained periods.

V:A further object is to provide a sash construction, which may be economically manufactured, sold as a disassembled unit, and assembled and installedrwithout the necessity for highly skilled labor.

. Another Objectis to provide a unit, the parts offwhich can be produced in moderate quantities, in a wide range of sizes, with a minimum of elaborate and expensive tooling, and still produce parts which are adaptable to a wide range of window,

sizes except for the cut-off length of the frame parts.

. A further object is to provide a unit which is readily adjustable, to take care of inaccuracies in window frame sizes, and building distortion, without additional machine work or special tools.

The accompanying drawings, illustrative oiseveral embodiments-and modifications of my invention, together with the description of their construction and the method of operation there of, will serve to clarify further objects and advantages of my invention.

In the drawings:

Fig. 1 represents a front elevation of the assembled storm window.

Fig. 2 is an isometric exploded view of aportion ofthe sash frame showing the method of assembling the various sashparts.

Fig. 3 is a front elevation of a corner joint of the frame of the sash of Fig. 1.

Fig. 4 is a front elevation oi' the joint of Fig. 3, with the parts separated to show the metnoc oftting and assembly.

Fig. 5 represents a cross-section thru the frame o the sash, taken at 5 5, Fig. 3.

Fig. 6 represents a composite cross-section thruY the vertical and horizontal members of the frame of Figs. 1 and 3, taken at 5 5 and 6 6, Fig. 3.

Fig. 7 is a plan view of the frame, the fitting' parts of the sash, and the hardware required, as knocked down for packing in a kit.

Fig. 8 is a cross-section thru the muntin joint, and partial plan View of the muntin bar, taken at 8 8, Fig. 1.

Fig. 9 is a section thru the muntin bar and frame side member joint, taken at 9 9, Fig. 8.

Fig. 10 represents a vertical section thru the sash, pivotally assembled to a window frame, with the sash in the closed position.

Figli is a vertical section, similar to Fig. 10, with the sash and stay arm in the open position.

Fig. 12 represents a section taken at |2 l2, Fig. 11, showing the method of attaching the stay arm side bars to the sash frame, and the Window jamb respectively.

Fig. 13 represents a partial plan view of the jamb and a partial vertical section through the sash side member, with the sash xed to the window frame.

Y While there are a number of storm sash units available on the market, they are generally relatively expensive to the home-owner, must be accurately tted to the window frame, and require a considerable length of time, on the part of a highly skilled, specialized mechanic to install them.

In small communities, particularly those located ata considerable distance from industrial centers, the overall cost of installing storm windows, including the cost of the window and sash, the shipping costs, and the installation labor costs, coupled with the added factor that skilled mechanics, must often be transported over long distances to install them, renders the overall cost to the owner extremely high.

The unit, containing all of the necessary frame parts, the hardware and fittings required to assemble them, the necessary hangers, and the material for supporting the window glass may be precut to the window frame size, packed in a compact package, purchased as a kit, and installed by the owner.

Asidev from the kit proper, the owner merely purchases the glass sections, precut to size, these sections being readily assembled and tted to the frame sections, without special skills.

The storm window may be installed in such a manner that the sash is xed to the window frame, or ttings may be provided to enable the entire sash to be pivotally opened, and maintained in the open position.

It will Vbe understood that the foregoing general description ofthe construction and installation of the storm window sash kit, as well as the following detailed description thereof, are intended as explanatory of the invention and not restrictive thereof.

In the drawings, the same reference numerals designate the same parts throughout vthe various views, except where otherwise indicated.

The storm window sash as indicated in Figs. l, 2 and 3 comprises, essentially, a frame I0; made up of two substantially vertical side members, II and I2, anda.topandbottommember, I3 and I 4, with a muntin bar `idioot-meeting the two side members, substantially at the center thereof.

Two or morecpanes 16.ofswindow-glass, or a transparent plastic material-may be.l mounted in the Vchannelsll and `I8,:fformed -in the frame section and muntin bars-respectivelyfthe numberof windowk sections, depending ,upon the number of openings,-or lights in each'vvindow.

As indicated in Figs. .5.;fr1d'6, a; packing channel 20, formedof ,a flat strip 2I, of rubber or other suitable-materiaL may -be-fltted vinto the channels I'I and I 8,formed i n the A'frame members Aand muntin bar, to effectively-grip the edges ofthe glass sheet,a r 1d to provide aireand watertight joints, around the glass on all sides. The packing channel 2i), may be furnished molded or otherwise` formedto the Ursetion, indicated in Fi g s. 5 anddinsteadof beingv shaped from a flat strip.

The section thruthe. veijtizaland horizontal frame members II `23,-nd AI f3, andthe method of supporting thev window panes, areyshown, in detail, in Figs. and 6.

Fig. 5 shows a Y crossfsection1 thru the material of a typical frame-member. The lower, or window supporting end, is .formed of `a U-shaped section 22, made of extruded aluminum, or a smilar material, witha channel I'al,for med thru the entire length o f the openendof thesection.

The intermediate section 23, and the outer section 24, of the frame member may be formed integral withthe U-shaped'section, vthe entire member being. extruded or rolled in long lengths, and cut to the length required fora specific window size.

Vertical and horizontal scribe mouldings or mounting strips 25 and 26, may be adjustably attached to the outer sections yof the vertical and horizontal frame members, as indicated in Figs; 3 and 4, to Vattach the .window to jamb. These mouldings may be made of thin strips of aluminum, -or another metal orfibre strip.

As indicated in Figs. 5 and 6, Vthe moulding s tripis located at the center line of the window channel,with the outer section 24, of the frame member, located at the right-hand side of the moulding in the vertical frame side member when the frame member-section is located in the right-hand position, .Fig..5.and at the left-hand side of the moulding [when the vframe membersection is reversed to form-thehorizontal crossmember I3, Figs. `3 and 6. Thedistance betweenthe mounting face 21, of the outer secton-and the. Vcenter-line Sof the .channel isthus held con- 4 stant, regardless of whether the section is located at the left or right-hand side of the channel, thus assuring complete interchangeability of all of the material sections of the frame members except for variations in length.

The reversibility of the frame section material provides greater accuracy of assembly of the window frame, and sharply reduces the material costas only oneV set of extrusiondiesis required for all of the frame mem-bers, regardless of their position, or the size and shap'e ofthe window.

`The U-shaped window support sections of the horizontal and vertical frame members are mi- A ,teredjtfas indicated in Figs. 3 and 4, a screw or bolt being tted thru the mating circular or square openings 30 and 3I, formed adjacent the :junction between the horizontal and vertical frame member corners. Although Fillister head boltsflare-shown in Fig. 2, the holes 30 and 3| may be countersunk, and flat head bolts substituted therefonftobring the headiofthe bolt vsubstantially` flush -with the `outer surface ofthe frame member section.

In order to provide for; height land width` adjustments, to take care of dimensional variations and angular distortion inthe window jamb dimensions, a-plurality of elongated slots-32 may be formed inthe moulding, the center-line of the slots being in substantial. alignment with the openings 3 3, in the outerA section of the corresponding frame member, or similar slots 34 may be formed in the outer section of the frame member, the center-line of the slots being in substantial alignment with a plurality of circular openings 3 5, formed inthe moulding, as indicated in Fig. 4, the .slots providing foradjustment of the frame members, inadirection generally perpendicular to thechannelfand: therefore, permitting lateral and slight angular adjustment ofthe window frame members.

The muntin bar I5 may be formed in an H-section, as indicated at the center of-Fig. 8. the section comprising two parallel flanges 38 and 39, connected by a central integral webll, thewidth and depth of thechannels I 8, formed at both sides of the bar, being substantially .the same. as that of the channel I'I, formed in the frame section,r so that the flanges of the frame section and those of the muntin bar are in .substantial alignment, when assembled, as indicated in Fig. 8. The flanges of the muntin bar may be cut back for a short distance, and the. ends of the web, notched. at one side,to 'form projections 4I and 42 at both endsthe width of theprojections being somewhatlessthan the -distance between the inner face ofthe ilange, of 'the' U-shaped section of the 'frame member, and the face ofthe intermediate section of the frame member, as indicated in Fig. 8.

In assembling the muntin'bar to the window frame members, each ofthe projections is fitted thru -a'substantially rectangular slot 44, formed in the rear wall of the U-sh'ape'd section vofthe frame-member, vthe outer end Iof the projection being bent, las indica-tedin'lFigQ, to wsecure-the webto the frame member.

Figs. l0 and 11 show the adjustable storm sash, as pivotally-attached to the frame of the window, the sash in Fig. -10,1being.in'thefclosed position, and that in Fig. l1, in-the open position.

The sash frame I5 may be pivotally supported on the head 45, of the windowiframe, by means of -ahanger 46, which is attached to the window able means of attachment.

head by apllllality:.ofscrews'l. or `by other suitthe notchedextension 5.2, of the hanger, as indicated in Fig. l0, the curved form of the groove 53, at the top of the extension, combined with the arcuate shape of the bottom of the extension, permitting the sash to be angularly swung from the closed position, shown in Fig. l0, to the open position, Fig. 11, with a minimum of frictional resistance.`

pivoted,V-shaped stay-arm 55 may be mounted between the sash and the window frame, to limit the angular movement of the sash frame, and retain it in the desired openposition. The stay-arm comprises two bars 56 and 51, of sub stantially rectangular cross-section, the upper ends of the bars being pivotally connected to one another by means of a rivet 56, abolt, or other suitable connecting means. One of the bars 56, may be offset, with the other bar 51, substantially straight, the extent of the offset being determined by the form of the window frame members, and the relative position of the stay-arm mounting brackets on the window and sash frames respectively.

The lower end of one bar 5l may be pivotally attached'to the vertical side member of the sash frame by means of a screw or pin 59, attached to a bracket 66, which is riveted to the side member, or by other suitable means. y A slot 5I may be provided in the lower end of the other side bar 56, a screw 62, or wing screw, with a washer 63, mounted below the head thereof, being threadably attached to the vertical member of the Window frame, to lock the staybzar in position, the slot providing for vertical adjustment of the bar, and consequently angular adjustment of the stay-arm, and the storm sash frame in the open position.

The storm sash may be mounted outside the window frame, as indicated in Figs. 16 and 11, or the sash unit, constructed in substantially the ,same manner, may be mounted at the inside of theframe, and atta-ched to the window frame by one of several suitable methods, known to the art. f

, Two methods of attaching the storm sash to the Window frame are shown in Figs. 12 and 13.

In the construction shown in Fig. 12, the sash is tted with one or more stay-arms, as indicated in Figs. `and 11.

One leg of a right-angle bracket 66, may be attached to the intermediate section 23,` of the frame side member II, by means of a plurality of rivets 65, or by other suitable attaching means. The lower end of the stay-arm bar 51, may be pivotally attached to the other leg 66 of the bracket, by means of a screw or bolt, 'as indicated in Figs. 10 and 12. The lower end of the other stay-bar 55, may be attached to the side of the window jamb frame by a screw 62, as hereinbefore described. The scribe moulding strips 25 and 26, would be attached to the outer section 24 of thefsash frame members, as indicated in Figs. 3 and 4, before the sash is mounted in the window frame. The slots 32 formed in the moulding, or inithe outer sections of the frame member, enable the moulding to `be moved laterally or thru a slight angle, with relation to the frame members, to take care oi dimensional variations in the window frame opening and .any slight angularity of the window jamb sections. The face of the moulding engages the side of the window frame member, in order to seal the window opening, when the sash is in the closed position, shown in Figs. l0 and l2.

The construction, shown in Fig. 13,'is similar to that of Fig. 12, except that no stay-arm is used, the sash being fixed to the window frame.

One leg of a right-angle bracket 66, may be attached to the intermediate section of the frame side member by means of a rivet 65, in the same manner as that of Fig. 12. The other leg 66 of the bracket may be directly attached to the window jamb frame by means of a screw 61, or by other suitable attaching means.

The number of brackets used, and the num-,- ber of screws 67, used to attach the brackets to the window jamb frame, would depend upon the size and shape of the sash, and the number of brackets supplied with the frame members.

The scribe moulding strips 25 and 26 would be attached to the outer section 24, of the vertical and horizontal frame members, as indicatedin Figs. 3 and li. When the sash is assembled in the fixed position, the face of the moulding en' gages the side of thewindow jamb frame, to seal the window opening. The slots 32 and 34 in the cuter section of the frame member, enable the moulding to be moved laterally and angularly, to take up :any variations in the window frames, in the same manner as that of Fig. 12.

In shipping the sash frame to the home own,- er, the bracket 66 may be riveted, bolted, or otherwise attached to the storm sash frame member, or the bracket may be furnished independently, to be bolted to the frame member, or otherwise mounted, at the time of erection.

After assembling the sash frame, and inserting the window panes, as indicated in Figs. 1 and 6, the owner would insert the sash in the Window frame. l

Fig. 7 shows lth-e various parts of the sash, knocked down and ready for assembly, `as they are boxed or crated for `shipment to Kthe home owner, prior to nal assembly and installation.A

The side member |I I and the top fram-e member I3, Iare shown, cut to the length required, with the necessary holes or slots punched or drilled, ready for assembly. The U-shlaped section 22, of each member, ,is cut back at both ends, as indicated in Fig. 7, and the corner, at the ends of each section bevelled 29, to enable the vertical and horizontal members to be ljoined without overlap, Ias indicated in Fig. 3. The opposite side member I2, .and the bottom member 114, are essentially the same as those shown, except that the sections are reversed as hereinbefore ydescribed. The location of the extruded section of the side members, 4with rel-ation to the scribe moulding and the glass is indicated in Fig. 5, and the dot-dash portion of th-e low-er section of Fig. 6, and that of lthe top and bottom members, as indicated lin the lower section of Fig. 6, an-d the dotdash portion of the upper section of Fig. 6, the scribe moulding ybeing located in the same posiition relative to both members, the channel openings II, to receive the panes of glass, being in substantial alignment with one another.

'The scribe moulding strips 25 and 216 to nt the ver-tical and horizontal frame members, are furnished to cut to length, and the necessary holes land slots 32, punched or drilled, orfotherwise cut thruthemouldlngto enable Vthe mouldings torbe readilyassembled to the outer section Aof the verticaland horizontal Ifname members, `and adjusted to lthe required dimension and'position, -Without :any vadditional cutting or machine" work, 'and without special tools or skills.

The packing channelr 20 is furnished nat, either cut to lthe overall length required, orpreferably rolled, so that it can be sheared4 to the required length, to t the lchannels in the trame members and the 'muntin barrespectively, after assembly. y

' After-forming into'a U-sh'ape, to-iit the'channel, the'eorners may be; notched by theowner, orthe channel strip'rnay 'be notched'atthe points -required, prior ton shipment.

The muntin bar l5 may also be furnished, cut to the required length, with the iilanges at lboth end-s cut away for a shortgdistanee, to f-orm the Webextensions, the extensions being notched Ito form the projections dl and `42, as hereinbefore described, to enable the ymuntin `bar'to be 'assembled tothe yframe side members. v

.'The hanger bracket d8 may be furnished with the lower flange t() riveted, 'bolted or otherwise attached Ito the upper frame member I3, 'or the 'bracket m-ay be Ifurnished independently, to be bolted to the frame member, lor otherwise mounted, -at the time of erection.

The angle bracket ISD, would be riveted, or otherwise attached to the side-member Il, of the sash frame.

The stay-arm `55A could lbe furnished with lthe upper end of the bars, riveted las indicated in Figs. 'l and Vllnthe owner mounting thelower end of the bars on the 'window frame and |the sash frame members respectively, in the manner :previously described.

The frame members and other features of the .construction may beused in storm sash units sold in `kit form, or may be `factory assembled, erected on thefsite, or fitted and installed in any other suitable manner to best meet the requirements vof Ia particular' installation.

*Thelsash frame construction'is :suitable for 'Windows-in Ithe usual type of residential building, lrfor small industrial buildings.

The szeoftne sasnframe, the number of window panes, the location ofthe muntin bar, and numberof bars required vwould depend upon the sizeof" the Window opening, and the judgment of thefsimplierand the home-owner.

While an extruded "frame member of ia yspecial ir'rnand size vissho'vm in Figsj and', this may be'variedconsiderably to suit individuall requirements.

Where the quantities of las-pecic type, or special ornamental design of sash frame, doA not warrant the cost of extrusion Kdies or Alend themselves readily to extrusion, the -frame member sectionmay ybe built up, the various parts wthereof being-riveted, `Wel-ded, tbrazed, or fastened to one anoth'en'bybther suitable methods known to the .ar-t.

The Lsections may yalso be rolledstfampedor formed by :other suitable `means, vknown to the art, theform of the section being varied *to* suit the requirements of a particular manufacturing process. e

For smaller units, plastic sections may `be utilized, in jplace of the metal seotions'herein described.

1 Themethodof mounting the window -pan-es'in the frame sections, the packing used to support the glass inrthe'irame'channels maybe varied considerably `to suit special requirements.

The method of supporting 'the sash .in the window jamb,- Whether the sash be fixed 'or adjustable may be altered .considerably to 'suit specialsizes or individual requirementsor to comply with'the judgment of the supplier.

Various ltypes of stay-arm constructiommay be substituted 'for the one herein described. `The stay-arm may be made readily adjustable, and so constructed that `the sash may be Vlocked in any position, with relation tothe Window jamb.

Itfvvill, accordingly, be appreciated Lthat the sto-rm 'Wind-ow sash kit, herein described; has'new and useful constructional and vopera/tionalifeavtures, `oli-ering distinct advantages ov-'er existing .types of storm sash. It will, moreover, be understood that `the foregoing description of 'the variousfembodiments and modifications of the con struction is illustrative, and that numerous changes c-an be made therein, `without departing from the @essentials of the invention which is, rather, deiined bythe appended claims.

What I claim as new, and desire tofsecureby Letters' Patent, is:

1. A storm sash vunit for mounting ina Window frame, comprising a pair of side members,"a pair of cross-members, the crossesection of each of said side and cross-members consisting of a U- shaped channel section, an laxially offset intermediate Web and an offset ange integral with the U-shaped section, the U-shaped section of each of said frame members having a rectangular channel cut therethrough, the frame member cross-section being reversible, the intermediate web oi the reversed section facing the intermediate Web of theadjoining frame member section, the adjoining ends of the intermediate webs of each of said side and cross-members being detachably connected to one another, a scribe moulding of rectangular cross-section adjustably attached tothe flange of each of said frame side and cross-members, the attaching face of the ilange of one member adjoining one face of the scribe moulding, the flange of the oppositely positioned frame member section adjoining the opposite scribe moulding face, the U-shaped channel sections being in alignment with one another in either frame member section position, a'muntin bar connecting `the opposite side-members, said muntin bar having Window pane receiving channels cut therethrough, and a plurality of Window panes supported in said channels.

2. A storm sash unit for mounting in a Window frame, comprisinof a pair of side members, a pair of cross-members, thecross-section of each of said side and cross-members consisting of a U- shaped section, an axially oi-set intermediate web and an onset` ange integral with the U-shaped section, the section being reversible, the intermediate vWeb of the'reversed frame member section facing'the intermediate web of the adjoining frame member section, means detachably connecting the adjoining ends of the intermediate webs of each of said side and cross-members, a fiat strip scribe moulding adjustably attached to the nange of each `of said frame side and cross-members, the .attaching face of the ange of one member adjoining one face of the scribe moulding, the ange of the oppositely positioned frame member section adjoining the opposite scribe moulding face, the U-shaped *section of each of said frame members having a window pane receiving channel cut therethrough, the adjoining ends of each 'of said Ul-shaped frame `member sections being mitred, a muntinbar connecting the opposite 'side members, said muntin bar having window pane receiving channels `cut therethrough, and a pluralityof Window panes supported insaid channels.

3. Frame members of a storm sash unit, for v tion, saidV intermediate section being offset from the axis of the U-shaped section, the intermediate section being adapted, When' reversed, to abut the intermediate section of the adjoining member, the distance between the center of said U-shaped section and the attaching faceof the flange, being substantially equal to one-half the thickness of said moulding strip to adapt said section for use in members of opposite hand.

4. lrarne members of a storm sash unit,1fr attachment to mounting elements, the cross-section of said members comprising a substantially U- shaped section, an intermediate section and a ange formed integral with said U-shaped section, said intermediate section being oiset from the axis of the U-shaped section, the intermediate section being adapted, when reversed, to abut the intermediate section of the adjoining member, the distance between the center of said U-shaped section, and the attaching face of the f ange, being substantiallyequal to one-half the thickness of the mounting element, to provide reversibility of the section, the U-shaped section having a Window pane receiving channel formed therein.

5. Frame members of a storm sash unit, for attachment tomounting strips, the cross-section of said members, comprising a substantially U- shaped section, an intermediate section and a ange formed integral With said U-shaped section, said intermediate section being offset from the axis of the U-shaped section, the intermediate section being adapted, when reversed, to face the intermediate section of the adjoining member, the distance between the center of the U-shaped section and the attaching face of the ange, being substantially equal to one-half the thickness of the mounting strip to provide reversibility of the. section, said` ange having a plurality of openings formed therein vfor adjustable attachment to the mounting strip, each of vsaid U-shaped sections having a channel formed therein, for supporting a Window pane.

6. A storm sash unit for mounting in a window frame, comprising a plurality of side members, a plurality of cross-members, the adjoining ends of said side and cross-members being detachably connected to one another, an adjustable scribe moulding attached to each of said side and cross-members, the cross-section of each vof said side and cross-members comprising a substantially U-shaped section, an intermediate section and a flange formed integral With said U- shaped section, the intermediate section being adapted, when reversed, to abut the intermediate section of the adjoining member, the attaching face of the flange adjoining, when the section is reversed, the opposite side of the mounting strips, the U-shaped sections remaining in substantial alignment, to adapt the section for use in left and right-hand frame members respectively, each of said members having a channel cut thru the U--shaped section for supporting one edge of a Window pane.

7. A storm sash unit for mounting in a Window frame.. compri-sing 'a pluralityof side members, a

` plurality of cross-members, the-adjoining ends of said ange having a plurality of openings formed therein in substantial alignment with the slots formed in the strips, lthe attaching face of the liange engaging the opposite side of the mounting strip, when the section is reversed, the U-shaped sections being in substantial alignment,to provide for adaptability of the section to left yand righthand frame members,` respectively, each of said members having a channel cut thru the U-shaped section for supporting one edge of a Window pane, and means tted thru said mounting strip slots land flange openings for 'adjustably Iattaching each of vsaid strips to the corresponding member flange.

8. A storm sash -unit for mounting in a window frame, comprising a plurality of side members, a plurality of cross-members, the adjoining ends of said side Iand cross-members being det'achably connected to one another, a scribe moulding adjustably attached to each of said side and crossmembers, said mounting strips having a plurality of openings :formed therein, the cross-section of each oi' lsaid side and cross-members comprising -a Isubstantially U-shaped section, an intermediate section and Ia liange formed integral with said U-shaped section, the intermediate section being adapted, when reversed, to abut the intermediate section of the adjoining member, the flange of each `of `said members having a plurality of elongated slots formed therein, in substantial alignment with the openings in said strips, the attaching face of the flange engaging the opposite side of the mounting strip, when the section is reversed, the U-shaped sections being in substantial alignment, to provide for adaptability of the section to leit and right-hand frame members, respectively, each of said members having a channel cut thru the U-shaped section for supporting one edge of a Window pane, and means fitted thus said mounting strip openings and angeslots for adjustably attaching each of said strips to the corresponding frame member flange.

A9. A storm sash unit for mounting in a Window frame, comprising Ia plurality of side members, a plurality of cross-members, the iadjoining ends of said side and cross-members being detach-ably connected to one another, a moulding strip 'adjustably attached *to each of said side and crossmembers, respectively, the cross-section of each of said side and cross-members comprising a substantial-ly U-shaped section, an intermediate 'section and la ange formed integral With said U-shaped section, the intermediate section ibeing adapted, when reversed, to abut the intermediate lsection of the 'adjoining member, the 'attaching face of the flange engaging the opposite side of the moulding str-ip, When the section is reversed, the U-shaped sections being in substantial alignment, to adapt the section for use-in left and right-hand frame members, respectively, a window ysupporting channel formed in the U-sh'aped

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