US1291267A - Fly-screen. - Google Patents

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Publication number
US1291267A
US1291267A US24476518A US24476518A US1291267A US 1291267 A US1291267 A US 1291267A US 24476518 A US24476518 A US 24476518A US 24476518 A US24476518 A US 24476518A US 1291267 A US1291267 A US 1291267A
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United States
Prior art keywords
screen
outlets
strip
fly
chamber
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Expired - Lifetime
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US24476518A
Inventor
Charles Calvin Tredway
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Individual
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Individual
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Priority to US24476518A priority Critical patent/US1291267A/en
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Publication of US1291267A publication Critical patent/US1291267A/en
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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/52—Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes

Definitions

  • My invention relates to screens for doors or windows for excluding iiies and other insects while permitting ventilation, and more particularly the invention relates to that type of screen in which outlets are provided to ai'lord egress for the flies, the outlets being of a character to minimize the possibility of flies entering through the outlets.
  • the general object of my invention is to provide a screen of the indicated character improved in various particulars, whereby certain advantages and results are obtained among which are the following: (1) rlFhe means to provide the outlets for the flies is oi such a character as to not curtail the ventilating area of the screen, the complete area of the opening presented by the screen frame being preserved. (2) rlFhe outlets lead Jfrom the top of a darkened chamber so disposed with relation to the screen material that immediately upon a fly reaching the top of the wire mesh he is at the darkened chamber with light only directly ahead to attract him.
  • the darkened chamber is formed at the outer side by a sheet metal strip imperforate except for the fly outlets and at the inner side by the top rail of the screen frame, by reason of which two results follow in that material is economized and the darkened chamber is co-terminous with the wire mesh without curtailing the area oi the latter.
  • the upper edge of the metal strip is effectively secured to the topLm rail of the screen 'frame by being driven directly into the same.
  • l? ig. 2 is a transverse vertical section on the line 2 2, Fig. 1.
  • 1() represents a portion of a screen door 1"'"ame having screen material 11.
  • a sheet metal strip 12 is provided at the upper edge of the screen material and secured thereto as by a suitable seam 18. rlhe upper edge 14 of the strip 12 is disposed laterally and Specification of Letters Patent.
  • llhe strip 12 forms with the top rail of the frame a darkened chamber 17 the lower portion of the top rail of the frame 10 at the bottom being beveled as at 15 and the lower portion of the strip 12 being oblique to the vertical, and parallel or approximately so with said bevcled surface 15.
  • the strip 12 is stamped up a longitudinal series oi tapering outlets 1G, the portion of the strip 12 in which the outlets are formed being at the top of the chamber 17, the strip being approximately at right angles to form the front and top walls of said chamber, the rear wall being formed by the beveled surface 15 of the frame 10.
  • the top of the screen material 11 is carried substantially to the plane of the lower edge of the top rail of the frame 10 and therefor the fly upon reaching the top of the screen material is directly at the darkened cha1nber with light afforded only by the outlets 1G directly ahead of him as an attraction for him to continue his upward trend.
  • A. fly screen of the class described including a trame, screen material ailixed thereto, and a sheet :metal strip secured at its upper edge to the top rail ot' the frame and at its lower edge to the upper edge of said screen material, said strip 'forming with said top rail a darkened chamber in front of said rail, the inner wall of said chamber being formed by the top rail and the front and top walls thereof being formed by said strip, said top wall having outlet openings therein leading directly from said chamber.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Insects & Arthropods (AREA)
  • Pest Control & Pesticides (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Description

TED sTATEs PATENT oEEioE.
CHARLES CALVIN' TREDWAY, OF LORDSBURG, NEW IVlIEXICO.`
FLY-sonnen'.
Application filed July 13, 1918.
To all whom it may concern:
Be it known that l, CHARLES CALVIN TannwAY, a citizen of the United States, and a resident of Lordsburg, in the county of Crrant and State of New Mexico, have invented a new and Improved lily-Screen, of which the following is a description.
My invention relates to screens for doors or windows for excluding iiies and other insects while permitting ventilation, and more particularly the invention relates to that type of screen in which outlets are provided to ai'lord egress for the flies, the outlets being of a character to minimize the possibility of flies entering through the outlets.
The general object of my invention is to provide a screen of the indicated character improved in various particulars, whereby certain advantages and results are obtained among which are the following: (1) rlFhe means to provide the outlets for the flies is oi such a character as to not curtail the ventilating area of the screen, the complete area of the opening presented by the screen frame being preserved. (2) rlFhe outlets lead Jfrom the top of a darkened chamber so disposed with relation to the screen material that immediately upon a fly reaching the top of the wire mesh he is at the darkened chamber with light only directly ahead to attract him. (3) The darkened chamber is formed at the outer side by a sheet metal strip imperforate except for the fly outlets and at the inner side by the top rail of the screen frame, by reason of which two results follow in that material is economized and the darkened chamber is co-terminous with the wire mesh without curtailing the area oi the latter. (il) The upper edge of the metal strip is effectively secured to the topLm rail of the screen 'frame by being driven directly into the same.
Reference `is to be had to the accom" panying drawing in which- Figure 1 is a front view of a portion ol a door screen embodying my invention; and
l? ig. 2 is a transverse vertical section on the line 2 2, Fig. 1.
ln the illustrated example of my invention, 1() represents a portion of a screen door 1"'"ame having screen material 11. A sheet metal strip 12 is provided at the upper edge of the screen material and secured thereto as by a suitable seam 18. rlhe upper edge 14 of the strip 12 is disposed laterally and Specification of Letters Patent.
Patented J an. 14, 1919.
Serial No. 244,765.
preferably is driven directly into the top rail of the frame 10. llhe strip 12 forms with the top rail of the frame a darkened chamber 17 the lower portion of the top rail of the frame 10 at the bottom being beveled as at 15 and the lower portion of the strip 12 being oblique to the vertical, and parallel or approximately so with said bevcled surface 15. 1n the strip 12 is stamped up a longitudinal series oi tapering outlets 1G, the portion of the strip 12 in which the outlets are formed being at the top of the chamber 17, the strip being approximately at right angles to form the front and top walls of said chamber, the rear wall being formed by the beveled surface 15 of the frame 10.
lt will be readily understood that by torming outlets 16 directly in the metal strip, labor and material are greatly economized since the complete attachment can be stamped up in a single operation.
The top of the screen material 11 is carried substantially to the plane of the lower edge of the top rail of the frame 10 and therefor the fly upon reaching the top of the screen material is directly at the darkened cha1nber with light afforded only by the outlets 1G directly ahead of him as an attraction for him to continue his upward trend.
lWhen the iy reaches the darkened `chamber, in traveling upward en the screen material, there is a maximum likelihood of' his continuing to and through the outlets and it will be seen that the arrangement involves the minimum amount of metal in the strip and at the same time preserves the ventilating area of the screen.
Having thus described my invention, l claim as new, and desire to secure by Let ters Patent:
A. fly screen of the class described including a trame, screen material ailixed thereto, and a sheet :metal strip secured at its upper edge to the top rail ot' the frame and at its lower edge to the upper edge of said screen material, said strip 'forming with said top rail a darkened chamber in front of said rail, the inner wall of said chamber being formed by the top rail and the front and top walls thereof being formed by said strip, said top wall having outlet openings therein leading directly from said chamber.
CHARLES CALVIN TREDVVAY.
topics of this patent may be obtained for five cents each, by addressing; the Commissioner of Patents,
Washington, D. C.
US24476518A 1918-07-13 1918-07-13 Fly-screen. Expired - Lifetime US1291267A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US24476518A US1291267A (en) 1918-07-13 1918-07-13 Fly-screen.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24476518A US1291267A (en) 1918-07-13 1918-07-13 Fly-screen.

Publications (1)

Publication Number Publication Date
US1291267A true US1291267A (en) 1919-01-14

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US24476518A Expired - Lifetime US1291267A (en) 1918-07-13 1918-07-13 Fly-screen.

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