US832892A - Fly-trap for screen-doors. - Google Patents

Description

in. 832,892. PATENTED 0012-9, 1906. J. B. BROWN. FLY TRAP FOR SCREEN DOORS. APPLICATION FILED 00124, 1905. RENEWED AUG- 29, 1906.

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FLY-TRAP FOR SCREEN-DOORS.

Specification of Letters Patent.

Patented Oct. 9, 1906.

Application filed October 4,1905. Renewed August 29, 1906. Serial No. 332,435.

To aZZ whom it may concern.-

Beit known that I, JOSEPH ELMER BROWN, a citizen of the United States, residing at Cheyenne, Oklahoma Territory, have invented a certain new and useful Fly-Trap for Screen-Doors, of which the following is a specification.

The objects of my invention are to provide a trap for'screen-doors, which is designed to be located near the upper portion of the door and which is designed to receive the flies which are constantly moving toward the upper portion of the ordinary door and be auto matically rotated by the opening and closing of the door. I

A further object is to provide a fly-trap of this class which will cause the flies, which always gather around the outer upper portion of the door as the door is opened, to be driven away and also to cause the flies which are on the upper inner portion of the door to be moved from the interior to the exterior of the door and to accomplish this result by a simple, durable, and inexpensive mechanism.

My invention consists in certain details in the construction, arrangement, and combination of the various parts of the device whereby the objects contemplated are attained, as hereinafter more fully set forth, pointed out in my claims, and illustrated in the accomp anying drawings, in which- Figure 1 is a front elevation of the door with my fly-trap attached to it. Fig. 2 is a detail view of the trap removed from the upper portion of the door. Fig. 3 is a detail sectional view of the uper portion of the door and a portion of the casing, showing the position of the trap when the door is closed; and Fig. 4 is a detail sectional view of the same, showing the position of the trap with the door open.

Referring to the accompanying drawings, I have used the reference-numeral 10 to indicate the ordinary door-frame and the refer ence numeral 11 to indicate the frame of the ordinary screendoor, which is attached to the frame by means of the hinges 12 and 13 and has the ordinary knob 14 on it for opening the door from the outside. In the body of the door there is the ordinary screening 1 5. Some distance below the upper portion of the door and extending transversely of the frame, is a cross-bar 16. Extending inwardly from the inner upper portion of each of the sides of the frame and midway between the bar 16 and the top portion 17 is a staple 18, in

which staples the shaft 19 is rotatably mounted. Mounted on the shaft 19 are two circular plates 20 and 21, said plates being adjacent to the ends of the shaft 19. Extending partially around the plates 20 and 21 and firmly attached to them is the perforated portion 22, which has the weights 23 mounted on its inner portion and adjacent to one of the edges of it. The plates 20 and 21 and the perforated portion 22 I have termed the trap-roller for the sake of convenience. The edges 24 and 25 of the perforated portion 22 are separated some distance from each other to form an opening between them, and the edge 24 is designed to normally rest immediately above the bar 16 of the door when the door is closed, and the edge 25 is designed to be slightly outside of the bar 16 when the door is opened. In other words, the opening between the edges 24 and 25 is on the outside of the door when the door is open, and the weights 23, which are attached to the perforated portion 22, adjacent to the edge 24, are so mounted that they will normally hold the trap-roller in the position shown in Fig. 3 unless the.

means for swinging the roller from the position shown in Fig. 3 to that shown in Fig. 4 is put into operation by opening the door.

Attached at one end to the upper portion of the frame 10 and immediately above the trap-roller and at its other end to the traproller at a point adjacent to the edge 24 and on the exterior thereof is the spring 26, which is detachably connected with the frame and also with the trap-roller by means of the hooks 27 and 28, respectively. The object of the spring is to cause the trap-roller to be rotated to the position shown in Fig. 4, where it is held when the door is open by simply opening the door, and also to provide a means which will allow the door to open with rapidity and yet not come to a sudden stop as it approaches its open position. The simplicity of this device and the inexpensiveness of its construction and the ease with which it is operated combine tov make it a thoroughly practical and accurately-working device for removing the flies from the exterior upper portion of the door and also of the interior upper portion.

Having thus described my invention, what Iclaim, and desire to secure by Letters Patent of the United States therefor, is'- 1. A fly-trap for screen-doors, comprising a trap-roller rotatably mounted in the upper portion of the screen-door and having a longi- IIO tudinal opening in it on the inside lof the door when the door is closed and on the loutside of the door when it is open and means for operating the roller.

2. A fly-trap for screen-doors, comprising a trap-roller rotatably mounted in the upper portion of the screen-door and having a longitudinal opening in it on the inside of the door when the door is closed and on the outside of the door when it is open, and means for automatically operating the roller as the door is opened.

3. A fly-trap for screen-doors, comprising a trap-roller rotatably mounted in the upper portion of the screen-door and having a longitudinal opening in it on the inside of the door when the door is closed and on the outside of the door when it is open, means for automatopened, and means for automatically rotating the roller as the door is closed.

4. A screen-door, a perforated trap-roller rotatably mounted in the upper portion of the screen-door, having a longitudinal opening in its periphery, and means for automatically operating the roller by the opening and closing of the door.

. 5. 'A screen-door, 'a perforated trap-roller rotatably mounted in the upper portion of ing in its periphery, and flexible means for automatically operating the roller by the opening and closing of the door.

JOSEPH ELMER BROWN.

Witnesses:

H. E. BROWN,

ically operating the roller as the door is MURRY E. BROWN.

the screen-door, having a longitudinal open- 30

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