US1049373A - Weather-strip for metal-window constructions. - Google Patents

Description

A. M. LANE.

WEATHER STRIP FOR METAL WINDOW OONSTRUGTIONS.

APPLIOATION FILED AUG. 25, 1911.

Patented Jan. 7, 1913 ALFRED M. LANE, OF ST. LOUIS, MISSOURI, ASSIGNOR T0 MONARCH METAL. 'WEQATHER,

STRIP COMPANY, OF ST. LOUIS, MISSO URI, A conronn'rro'n or MISSOURI.

WEATHER-STRIP FOR METAL-WINDOW CONSTRUCTIONS.

Specification of Letters Patent. Application filed August 25, 1911.

Patented J an. 7, 1913. Serial No. 646,022.

souri, have invented a new and us ful Improvement in leather-Strips fan Metal- Window Constructions, of which the following is'a specification.

This invention relates to weather strips and more particularly to weather strips or guards to be applied to metal window constructions.

Difficult-y has been experienced in applying weather strips to metal window constructions. Attempts have been made, with little or no success, to produce a weather strip which can be applied generally to the ordinary metal window frames and sashes, the principal faults being in the manner of attachment and the lack of flexibility in the stri lll y-invention, therefore, has for its principal objects to produce a device which is inexpensive and easily applied to window sashes and frames constructed of metal, to produce a strip which possesses sufiicient flexibility to permit of its application to windows wherein there is considerable play between the sashes and guideways, and to attain certain other advantages hereinafter more fully appearing.

The invention consists in the parts and in the arrangements and combinations of parts hereinafter described and claimed.

In the accompanying drawings which form part of this specification and wherein like symbols refer to like parts wherever they occur, Figure 1 is a horizontal section through one side of the window casing and adjacent portions of the upper and lower" sashes; Fig. 2 is a fragmentary perspective View of the rib strip member; Fig. 3 is a similar view of the groove strip member; Fig. dis a fragmentary view, partly in horizontal section and partly in top plan and on an enlarged scale, showing the two cooperating weather strip members applied and Fig. 5 is a fragmentary section through a portion of the wlndow casing adjacent to one of the burred perforations'which receive the securing screws for the weather strip members.

The precise construction of the window frame or casing and sashes forms no part of my invention.

strips 8 and 9 are and window frame are punc- 1.

on a taper.

screws 12 and 13. As the screws Hence no detail description head 6 and outer guide strips or beads 7, as

shown, are formed integral with the Window casing. In fact, the shell of the side members of the window casing are constructed of single sheets. It is to be here noted, that in practically all metal window frame constructions, access cannot be gained to the interior of the shell which makes it all the more difficult to apply weather strips, as securing screws or bolts cannot be secured on the inside of the shell unless special provision is made in course of construction.

As shown in the drawings, the weather strip comprises two metal strips 8 and 9, respectively. The strip 8 has one of its marginal portions rolled or beaded, as at 10, to provide an undercut groove, and the strip 9 has one of its marginal portions rolled or beaded to provide an undercut rib 11 which slidably fits in said groove 10. The strip 8 is secured near its opposite margin by a series of screws 12 to the face of the window sash, while the strip 9 is-secured by a series of screws 13 to the face of the sash-retaining rib or bead 7 on the window frame.

In applying the fastening screws, the perforated to receive them and the sash tured with a taper punch. In punching the perforations in the sash and window frame burs 14 are turned up on the inside thereof After the holes have been are tapped to provide screw fit the threads of the securing are being applied and tightened, the burs 14- are drawn toward and impinged tight against the screws, forming an effective lock which prevents the screws from working loose. By dipping the screws in salt water or some other corrosive, the screws are further held by the rust and corrosion which eventually forms.

To prevent the strips 8 and 9 from bucpunched they threads which kling between the points where the screws.

are inserted, they are curled or flanged, as at 15, at their margins. By this arrangement, 1

bear flatwise against the sash 16and a bend device admits of strips on opposite sides and 9 do not or frame,as but bear at the edges of the bends 16 which are formed the base portions of the strips 8 the case may be, ortions 15 and in said strips.

The portion of the strip 8 at the base of the bead 10 is offset outwardly so as to make room for the cooperating marginal portion of the stri 9 and ive some clearance between the latter an the face of the sash. The portion of the strip 9 between the bend 17 located adjacent to the rib 11 is turned awa from the face of the retaining rib or bead 7 on the window frame at a considerable angle.

Preferably, the strip 9 is made of a relatively resilient or pliable metal, while the strip 8 is relatively rigid so that its groove bead 10 will not be sprung out of shape when the strain is put upon it by the shifting of the window sash horizontally in its guideways. The strip 9 being resilient or exible will yield to allow the sash the freedom of its play in the guideways, and the rib head 11 of the strip 9 being smaller than the groove bead 10 of the strip 8 and its sides being brought close together at its base, it is suflicientl rigid toresist pulling strains. It is also held b the mouth portion of the groove bead w ich fits it snugly at the base. The an larly extended portions between the ben s 16 andl7 of the two of the window frame permit the sash to have considerable endwise movement horizontally, toward either side as well as transversely.

Obviously, while the strip is set forth as being specially applicable to metal window constructions, it can be readily applied to' wooden constructions. S0, too, it is obvious that the weather stri may be applied to the parting stri or bea 6 instead of the retaining strip or ad 7 as shown; and the considerable modification without departing from my invent-ion. Therefore, I do not wish to be limited to the specific construction and arrangement shown. WhatI claim is:

1. A weather strip comprising two metal.

one adapted to be. fastened to the frame and theother to the window sash, one of said strips being relatively rigid and having an offset marginal portion rovide'd wit I an undercut oove exten ing longitudinally thereof, an the other strip being relativelv flexible and having an strips, window in the groove 'undercut rib th ereon extending longitudinallynear one of its margins, said flexible strip underlying the offset portion of said rigid strip and the rib being slidably fitted of said other strip, the opposite marginal portion of said flexible strip extending at substantially right angles to said rigid strip, said flexible strip being bent between its marginal portions so as to normall be free from contact with the member to w ich said strip is secured.

2. Aweather strip comprising a relatively flexible metal strip adapted to be fastened throughout its length near one of its margins, the intermediate portion of said strip being bent at an angle less than a right angle and the opposite marginal portion being bent atsubstantially right angles to said first mentioned marginal portion, the free marginal portion of the strip being rebent throughout its length to provide a rib, and a relatively rigid metal strip adapted to be secured throughout its length near one of its margins and the opposite marginal portion being adapted to overlap the marginal ortion of said flexible strip "on which the rib is formed, said overlapping marginal portion of the rigid strip being rebent to form 'a groove adapted to slidably fit over said rib..

3. The combination with the opposite sides of a window casing and a sash slidably fitted in said casing of relatively rigid metal strips secured throughout their length near one margin to the exposed face of the sash adjacent to the sides of the window casing, the opposite marginal portions of said strips being free, and relatively flexible metal strips having one of their marginal portions arranged to overlap the free marginal portions of the respectiverigid strips and slidably enga e the same but being interloc ed therewith against lateral separation, the opposite marginal portions of said flexible strips being turned at substantially right angles to the first mentioned marginal portions and secured throu hout their length to said window casing, is o'intermediate portions of said flexible strips being bent away fromthe respective sides of the casing adjacent thereto.

Signed at St. Louis, Mo., this 18th'day of August, 1911.

' ALFRED M. LANE. Witnesses: y i G. A. PENNmc'foN,

Pawn Amine,

longitudinally

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