US1593530A - Sash fastener - Google Patents

Description

July 20 1926. 1,593,530

M. E. GOETZ SASH FASTENER Filed Feb. 25, 1924 Patented July 2Q, 1926.

warren SLASH FASTENER.

Application filed February 25, 1924.

My invention relates to improvements in sash fasteners.

The object of my invention is to provide a sash fastener so arranged that it is completely concealed when the sash is closed and which can be readily applied to any ordinary window frame and sash in use.

Another object of my invention to p vide a sash fastener of this character operated by a specially constructed key which may be carried in an operative position but can be removed when desired and where, the cutting of the window pane does not allow the opening of the sash as the fastener can not be released.

furt ier object of my invention is to provide a sash fastener in which the same can not be released by any ordinary tool, such as nails or the like and at the same time providing a simple, cheap and effective fastener having certain details of structure and combination of parts hereinaftermore fully set forth.

In the accompanying drawings Figire 1 is a perspective view of the lower end of a window frame showing the sill and also showing the sash slightly raised with my improved fastener applied thereto.

Figure 2 is a transverse vertical sectional view of Figure 1.

Figure 3 is a transverse sectional View similar to Figure 2 showing the latch drawn inwardly for releasing the sash.

Referring now to the drawings 1 represents the window frame and 2 the sill. The sill 2 as shown is cut away as indicated at 3 to receive the plate f of the improved latch. This plate t adjacentits ends is provided with screw threaded openings into which are screwed the two metal screws 5 and G. The screws 5 and 6 pass loosely through a plate 7 which is normally held outwardly against the heads of the screws by means of the screws 8 and 5) which surround the screws and have their outer ends bearing against the plate 7 and their inner ends bearing against the plate 4-. The plate 7 intermediate the screws 5 and 6 is provided with a screw threaded opening 10 into which is screwed the oute end of the key 11. This key 11 as shown passes through an opening 12 horizontally arranged in the sill 2 and is arranged opposite the opening 10. By this structure it will be seen that the key 11 can be readily Serial No. 695,085.

unscrewed from the plate 7 as will be hereinafter more fully describes The sash 13 has its lower edge cut away or recessed as indicated at 1-fl; and screwed in this recess is the plate 15 of a shape to correspond with the recess. The inner face of the plate 15 flush with the inner face of the sash ll} 2. is so arranged that when the sash lowered the upper edge of the sill completely covers the plate 15. The plate 15 provided intermediate its ends, with the two downwardly extending keepers 16 and l? which as shown have the beveled walls and straight horizontal walls 19.

In operation the sash is forced downwardly and the beveled edges of the keepers l6 and 17 en age the outer flat face of the member 7 and force it inwardly against the tension of the springs 8 and 9. lVhen the plate 7 reaches a position above the straight walls of the keepers and springs 8 and 9 force the plate '7 outwardly above the walls, the sash is locked against vertical movement. In order to release the fastener it is necessary to withdraw the plate '4' inwardly from above the horizontal walls 19 of the keepers. This is accomplished by pulling the key 11 outwardly by means of the head 20.

When it is desired to lock the sash so that it can not be released the key 11 is turned to the left unscrewing it from the threaded opening 10 in the plate 7 and thus it is impossible to draw the plate inwardly by the insertion of a nail or the like in the opening 12 of the sill 2. This removal of the key 11 makes it almost impossible to release the fastener after the key has been removed.

while I have shown and described this specific construction of a fastener it will be understood that the same could be made in many different ways and yet embody my invention. The broad idea is the moving inwardly of the latch so that it cannot be released by pressure by a pointed instru ment inserted in the key opening.

Having thus fully described my invention what I claim is:

1. A sash fastener comprising an out wardly spring pressed member adapted to cooperate with a keeper and movable transversely of the movement of the sash, and a key detachably connected to the spring pressed member and extending in the direction of movement of the member whereby the fastener is released by drawing the pring pressed member inwardly.

2. A sash fastener comprising a plate adapted to be fastened to the outer vertical wall of a sill, an outwardly spring pressed member carried by the plate, a key detachably connected to the spring pressed member and extending outwardly through the sill and a keeper 'recessed'in the lower edge of the sash co-operating with the springipressed plate and which is released by drawing the spring pressed member inwardly. I

3. A sash 'i'astener' comprising a plate adapted to be secured to the outer vertical Wall of the sill, two headed studs carried by ther'plate, a member looselymounted on the studs and extending across the space between the same and having a screw threaded opening, a key extending through an opening in the sill, and having a threaded end screwed-into said member, a plate secured in a recess in the lower ed e of thesash and having two downwardly extending keepers having beveled lower edges adapted to enga 'e -the spring pressed memspecification.

MAX IGOETZ.

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