US1538222A - Screen - Google Patents

Description

may 19, 1925. 1,538,222

c. 5. SMITH SCREEN Filed Oct. 4, 1922 2 Sheets-Sheet 1 May 19, 1925.

c. s. SMITH SCREEN Filed Oct. 4, 1922 2 Sheets-Sheet 2 Patented May 19, 1925.

UNITED STATES 1,538,222 PATENT OFFICE.

onannns s. SMITH, or CHICAGO, ILLINOIS, assrenon r rmcas s. ROLLINS, or

omcaeo,

ILLINOIS;

SCREEN.

Application filed 0ctober 4, 1922. Serial No. 592,190.-

T 0 all whom it may concern:

Be it known that I, CHARLES S. SMITH, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and ent invention is designed more particularly as an improvement on the screen of said patent with special reference to the use of said screen in a position exterior to the win dow sash, in which position the housing for the screen will be less unsightly and tend less to interfere with the manipulation of the window sash than when located on the inside of the window and upon the window sill thereof.

With the above objects in view, the present invention relates particularly to the means Provided for permitting disengagement 0 the screen from the sash while "the window is open, to the means provided for permitting drainage of water which may accumulate within the housing, to the means for mounting the housin upon the window ledge, to the means for coking the spring roller against unwinding, and to the general structure of the device as a whole and to the individual parts thereof.

.In the drawings:

Figure 1 is an.elevation of a window frame taken from an exterior point and showing the sliding sash partly open with the screen of the present invention partly unrolled; I

Fig. 2 is a transverse section, enlar ed, through the screen together with the a .jacent portions of the window and with the screen partly unrolled as in Fig. 1;

Fig. 3 is a view similar to Fig. 2, except that the screen is shown as completely rolled up, the sash in this view being completely closed;

Fi 4 is an end elevation of-the housing showing the lock for the spring roller;

Fig. 5 is an end view 'of a modified form of construction; and

Fig. 6 is a perspective view of a section of the guide channel.

The present invention employs a screen section 10 of flexible wire mesh, preferably of metal, which willbe impervious to the vdowshades or the like.

action of the elements, which screen section is of a size to screen the window opening when the'sash is raised to its upper limit. The screen section is mounted upon a roller 11 which may be hollow or otherwise, and which is preferably operated against the tension of a coiled spring 12, in a manner well understood in the artpertaining to win- The roller is trunnioned within the ends 13 of'a cylindrical housing, having a body wall 14, the edges of which are separated to afford a slot 15 at a point adjacent to the base 16 of a sliding window sash 17 when the latter is in closed position, as shown in Fig. 3. The

slot 15 extends from end to end of thecasing and is of sufficient width to afford ,a clearance through which the screen section is permitted to operate. At the same time the construction of the housing or casing is such that it will tend to exclude rain or moisture except under peculiarly adverse weather conditions, but in the event that moisture enters the casing, it will find egress through a plurality of drain holes 18 formed along the bottom of the casing.

The casing as a whole is mounted upon a pair of end standards 19, as shown of rectangular shape and provided with attaching flanges 20 along their lower edges.

These standards "are secured to the end plates 13 in position to bring the inner side edge 21 and the lower flanged edge into tangential relation to the circular-ends at points spaced 90 from one another, so that the ends are given, in effect, a rectangular .formation, the flanges 20 serving to permitsecurement of the housing to the window ledge at a point exteriorly adjacent the base rail of the sash when lowered. One of the mounting trunnions for the spring roller terminates in a squared end projection 22 which fits within the bifurcated end 23 of a locking arm 24, the upper end of which is engaged by a tongue 25 struck out from the end section 13, the arrangement being one which permits the spring roller to be wound by means of a ke or other suitable tool and thereafter be loc ed by the engagement of the locking arm 24, as indicated in Fig. 4.

The free end of the screen section is engaged by a hooked flan e strip 26, which, in its center, is slotted at t 1e oint 27 toreceive a tongue 28 secured to the use rail 16 of the window sash in such relation that when the sash is lifted, the tongue will be projected through the slot and thereafter carry the screen section with the window sash as the latter is lifted.

The flanged strip 26 is further rovided in its center, at points laterallyad acent to the slot 27 with a pair of depending legs 29 which are connected at their lower face by a flanged cross connection 30, the whole forming in effect 2. depending bracket which projects below the bottom vof the sash base when the latter is lifted, as in Fig. 2, and permits the screen to be disengaged from the tongue 28 from the inside of the window by upward pressure against the bracket, which thus lifts the flanged screen strip independently of the sash.

In order to guide the side edges of the screen a pair of guide strips 80 are provided, each strip being of channel formation and composed of two angle shaped sections having "their bases flanged, overlapped and secured by screws 31 which pass through holes'32 and slots 33 in the respective sections, the underlying section being slotted to permit it to be slipped to position after the screws have been started through the companion section, which arrangement greatly.

facilitates the driving of the screws in the restricted space afforded. The guide section which adjoins the housing is somewhat shorter than the companion section to afford an entrance for the edges of the screen and the ends of the flanged strip at the point of their emergence from the slot in the housing.

In operation, with the sash lowered as in Fig. 3, the tongue will be disengaged from the slot 27 and occupy a position immediately below and in alignment therewith. The flan ,cd strip will, in this adjustment, be engaged by the edge of the housing and held in fixed relation to the tongue. When the sash is lifted, the tongue will engage the slot and carry the screen with it unrolling the same to an extent commensurate with the lifting of the window. With the window sash in open position, the screen can be disengaged by the bracket in the manner indicated as occasion may require. The housing is designed to fit snugly in position on the outer window ledge and will present an unbroken cylindrical surface toward the exterior of the window so as to protect the working portions of the device from the ingress of dirt' or moisture save under exceptional circumstances.

Figure 5 shows the end plate 19 provided with upper and lower flanges 20 and 21 throu h which extend a wood screw 22 and an ad usting stop bolt 23. The'wood screw is driven into the wood ofthe window ledge, and the bolt adjusted to compensate for the slope of the ledge thereby holding the housing level.

I claim:

1. The combination with a window casing. and a window sash slidably mounted therein, of a spring roller located exteriorly of the sash, a screen section thereon, a downwardly facing hook on the free edgeof the screen section and projecting towardsthe outside face of the window sash, an upwardly reaching hook member on the lower portion of the outside face of the window sash, adapted to engage with the downwardly facing hook of the screen section when the window sash is raised, and a downwardly depending pedestal in conjunction with the upper edge of the screen section, adapted to rest upon and be supported by the window sill when the window sash is lowered and thereby sustain the hook portion of the screen disengaged from the hook of the window sash when the window sash is fully lowered, substantially as described.

2. The combination with a window casing and. a window sash slidably mounted therein, of a spring retracted screen section movably mounted adjacent to the window sill and adjacent to the outside face ofthewin- .dow sash, companion hook member on the free edge of the screen section and the outside face of the bottom portion of the window sash in co-operative relationship, and adapted to engage with each other when the window sash is raised, and a downwardly depending pedestal on the free edge portion of the screen section, adapted to rest upon and be supported by the window sill when the sash is fully lowered to thereby'sustain the screen section and retain the hook members disengaged from each other at such time, substantially as described.

CHARLES S. SMITH.

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