US2318634A - Fly trap - Google Patents

Fly trap Download PDF

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US2318634A
US2318634A US390460A US39046041A US2318634A US 2318634 A US2318634 A US 2318634A US 390460 A US390460 A US 390460A US 39046041 A US39046041 A US 39046041A US 2318634 A US2318634 A US 2318634A
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opening
light
space
casing
wall
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US390460A
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David H Robinot
Weil Alex
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M1/00Stationary means for catching or killing insects
    • A01M1/10Catching insects by using Traps
    • A01M1/106Catching insects by using Traps for flying insects
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M1/00Stationary means for catching or killing insects
    • A01M1/02Stationary means for catching or killing insects with devices or substances, e.g. food, pheronones attracting the insects
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M1/00Stationary means for catching or killing insects
    • A01M1/02Stationary means for catching or killing insects with devices or substances, e.g. food, pheronones attracting the insects
    • A01M1/04Attracting insects by using illumination or colours
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M2200/00Kind of animal
    • A01M2200/01Insects
    • A01M2200/012Flying insects

Definitions

  • This invention relates to insect extermination, and more particularly for devices for trapping or catching insects, .particularly flies.
  • One of the objects of this invention' is to provide a device of the above-mentioned character that will be of simple and inexpensive construction and assembly and that will be of dependable ⁇ and :efficient action in use.
  • Another object is to plO- vvide a device of the above-mentioned character that can be constructed in relatively small form, .that will be neat, clean and attractive inappeare ance and thus avoid the .unsightliness and other disadvantages of many devices, such as stickygfly paper or ribbons, now principally availableon the market, and that can be readily placed in a Wide variety .of locations.
  • Another object is to provide a device of ⁇ the above-.mentioned character in which unsightliness and like disadvantages of knowndevicesmay-be vclependably overcome and in which, in contltastto such know devices, attractiveness and uniqueness of appearance are achieved in a Waythat :Wilkenlarge its use or application inplaces or locations, for example, in a show Window or show case .clis- -playing food products, where heretofore known expedients, rsuch asiiy paper, either arenot at all employed or, if employed, are unsightly and distasteful.
  • Another object is to provide a flytrapping device in which certain functional elements can be made to'provide, or add to, :attractiveness, cleanliness or neatness of appearance.
  • Another object is to provide a device of the above-mentioned character so constructed as to Vfacilitate manufacture, assembly, replacement of parts, cleaning and the like.
  • Another objectiisto provide a device of the above-mentioned character in which a luring or attraction theretoofies may be achieved in a simple, dependable and ⁇ ,ei-
  • Another object is .to vprovide a device of the abovementioned character in which eye-appea or attraction of ies by use of their sense of sight may be eiectively utilized. Another object is to provide a'device of the abovementioned character in which luring thereto of 4flies-by their sense ofsmell and by ytheir sense of sight may be brought about Withgood veliect and ,in a simple, compact attractive and dependable structural manner.
  • Another object is in general to provide van improved fly-catching device, and .to provide a/device capable of Wide application in practice. ⁇ Other objects will be in part obvious or in part pointed ,out hereinafter. Y
  • the invention accordingly consists-inthe features of construction, combinationsfof elements,
  • figure 16j is -a lvertical Osectional View as seen alongthe line li-Bof Eli-eure 5.
  • :Eignre isa vien/ similar to ' Figure 7 and nshowinganother -inodied form offbaffle-insert, a part' thereof .being brokenaway.
  • the fly-trap or lure ⁇ iS preferably vof ,casing-like for box-like i con- -struction, illustratively four-sided, and fit Iis prefera-bly imade .up of allori/erspart il.
  • the lowerpart ic has-a-bottom-ornooi n havingextendingupwardlyatright angles there- ⁇ rom fourfside wallsild,
  • the Lippenpart 9 ycom-prises a top Wallior cover :I2 having textending downwardlytherelfromatright angles four walls, 3l', 32,133 and 3 4 Whichymamif desired, be formed integrally "with the toplwall I2 and which, fwhen Vthe 'top Dart ,-9 isfassembled to the :lower part v l,ll,take Lovervthe upper sides of the walls 4 4, IE, lG-and I 1, in a mannersimilargto that cfa conventional box.
  • An ⁇ leyelet t8 issecured to theloor V-Irl into Whichmay be engaged a nail, hook or other desirablezfnd suitable ⁇ object by Vmeans Aof which the trap may bie; esduspended t rom ,a ⁇ wall or ,othersurfacel if de- The; top VWall or covervlz isprovided--with an opening 35 4vvlfiich is preferably' circular-.and
  • the wall element I9 has four portions or secondary walls, one for each of the side walls of the casing part I0, being identified in the drawing by the numerals 20, 2I, 22 and 23 respectively.
  • Each of the secondary walls is provided, near its upper edge and substantially centrally, with a horizontal slot 24 adapted tol receive the free ends 25, 26, 21 and 28, of the baf- Y fle member 29 which is made of a transparent and light-reecting material.
  • Beautyle insert 29 is illustrated in Figure 4 as being substantially ⁇ A square initially and provided at its four corners 7 inclusive, the fiy trap has a bottom part 50 with side walls, illustratively four in number, as in Figures 1-3, and an upper part 5I with depending side walls, illustratively four in number, to
  • the bave may be curved upwardly to form an upright, bulbous dome 38 for a purpose to be presently described.
  • Baille member 29 when assembled to the lower casing part I0 thus has its dome 38 substantially centered with respect to the casing and, as'shown in Figure 3, the top fof the dome 38 'preferably vfalls in the region of the plane of the cover or top wall I2 when the upper casing part 9'is put in position;l top wall or cover I2,'being provided, as above noted, at its center with the circular opening 35, becomes positioned above the plane of the flat portion of the bale member 29 as better 4appears in Figure 3, the space between the two being peripherally closed by the'walls of the lower part I0.
  • V The opening is preferably proportioned relative to the dome Sli-substantially as shown in the drawing, from which it will be seen that the dome has a wide range of visibility through the opening 35, and beinglight-reecting, appears brightin'comparison to other parts and thus attracts flies by their sense of sight.
  • balile member 29 below balile member 29 and hence in the space between the latter and the bottom I I, we provide suitable means to lure or attract the fly downwardly through the passages formed by the cutouts- 36, and such a means preferably functions by way of its odor to lure the ily byits sense of smell; thus, for example, with its bottom resting on oor II of the housing, is a dish or cup-like member 39 made of paper or other-suitable material for containing a suitable lure substance; thus the member 39 at its upper surface, maybe Yprovided with a layer or coat 49 of odorous ma-l terial, 'its odor being such as is tract illes.
  • container or member 39 may conveniently bein general of circular shape, fitting in between the -four side walls of the housing structure, with its lbottom 42 resting against the bottom I I, whlle vits side walls may be of any convenient configura- ⁇ entry into the sidewall slots in a manner comparable to the Ventry of the free ends 25, 26, 21, 28 ⁇ of baille 29 in the slots 24 of Figures 2 and 3.
  • the slots in the side walls are shown at 55, with the end elements 54 of the baffle 53 received therein.
  • baille insert 53a made of wire mesh, which may be nickel plated or brass plated or treated in any other desirable manner to render it light-reflecting.
  • the corners are shown as being clipped off, to provide support-engaging portionsror free ends 54a.
  • the container or receptacle 39 is provided with a suitable substance as above pointed out, and this may be supplied to the' container 39, or a container thus provided with such a substance inserted into the lower casing part I I, after having first removed the upper part 9 and also the bave 29, whence the bave is replaced by entering the four free ends in the four retaining slots and the cover is again placed upon the box.
  • the odor of the substance within the trap will attract flies, as will the dome of the transparent and vlightreecting battlek insert.
  • the bright surface of the .baiie member 29 and particularly of its dome 38 in effect guides the flies, using their sense of sight, to or through the opening 35, andy they come to rest on the upper surface of the baille member 29, being further lured by the odor of the substance in the container 39. Flies will *renter the space between the baffle 29 and the bottom II of the Vbox via the openings created by the cut-outs 36 in the baille insert.
  • flies proceed to the substance 40, being attracted thereto by its odor, and depending upon the character of the substance 40, final disposition of the flies may thereupon ensue; for example, if the substance 4U is gummy or sticky, as is illustratively set forth above, they become attached thereto as soon as they land or crawl ⁇ onto it.
  • the illustrative modifled'form of the trap differs in the balile mounting in that the retaining slots for the baffle insert are positionedv directly in the walls of the housing.
  • member' 53' is ⁇ inserted, its free ends'5l enter the ⁇ slots in the lower casingpart 59" and become flush with the outer'surfaces of lower part 50, and when the upper part 5l with its depending side walls, is placed upon the box, it aids in rmly retaining the baffle in operative position.
  • the trap night er may be desir-'- able toY provide a.. phosphorescent spot in the dome oi the baiiieV insert or anywhere else on the insert or aroundthe edges of the dome or around the circular opening oi the cover or at any other advantageous point.
  • the bafiie insert illustrated in Figure 4 may be made in the shape shown in Figure "I, that is to say, the bark shown in Figure 7 may be provided with a dome, and the inserts shown in Figures 7 and 8 may be made in the shape shown in Figure 4, that is to say they may be provided with free ends instead of clipped corners, and the box may be made in other forms and not only square. Furthermore, it may be desired to paint an ornashown in the drawing the darkening" member 29 are re;
  • a fly-trap comprising a closed'casinghaving in a wall thereof an opening for the passage therethroughoiinsects and of light, said opening ⁇ V being of'lesser area than said wall, means Within said@ casing and remote from said opening for supporting; an insert lure,l baiiie means made-"ofv a light-transmitting material interposed between said wall and said means and sub-dividing ther interioroi said closed casing into two spaces in one oi which is saidslure-supporting ⁇ meansand tothe other oi which said opening forms an entry thereto for insects and' for the passage oi' light rays to said baille means, said bafie means having a conguration so that certain portions are more remotely spaced'irom said openingthan are other portions thereof, thereby to vary the intensity'oi light striking'said baille ⁇ means and to cause pori tions thereof to appear, from within the space containing said lure-supporting means, of greater light intensity than others and thereby attract insects thereto, and means
  • said bailie means comprises a substantially flat member made of said light-transmitting material, said member being of an extent to underlie said wall and said openingv,whereby the portions o f said member substantially juxtaposed to said opening are of greater light intensity and other portions thereof that underlie said wall and are more remote from said opening are of lesser light intensity.
  • baffle means comprises a member made of said light-transmitting material and having a portion juxtaposed to said opening formed to provide a pocket opening into the space containing said lure with the bottom portions of said pocket nearest said opening, thereby to provide said portions of greater light intensity.
  • a device as claimed in claim 2 in which the portions of said baiiie means underlying said opening converge to an apex substantially coaxially aligned with said opening.
  • a fly-trap comprising a two-part box-like casing having two opposed walls, one on each of the two parts, one of said walls having a substantially centrally positioned opening for entry of insects and of light, means in said casing for retaining a lure in the region thereof adjacent the other of said opposed Walls, a baille member for sub-dividing the interior of said casing into a space adjacent said one wall and its opening and another space bounded by said baiiie member and said other wall, at least that portion of said baille member juxtaposed to said opening being of a light-transmitting medium to receive light from said opening and to appear, from Within said second-mentioned ⁇ space, as a relatively bright area or region as compared to the portionsv of said baiiie member underlying said one wall, the latter shielding said portions of said baffle member against material illumination there being means at the regions of said bave member underlying said one wall forming a passageway for insects from said rst space to said second space when attracted by the lure in the latter,
  • a device as claimed in claim 6 in which said means for supporting said baffle member comprises a plurality of elements distributed about said baffle member, said casing being provided with recess means for receiving said elements of said battle member.
  • said means for supporting said battle member comprises a plurality of end portions distributed about said balile member, the side walls of said casing having slot means for receiving said end portions of said battle member.
  • said means for supporting said bafiie member comprises a plurality of end portions distributed about said baffle member, said casing having internally thereof secondary side walls provided with means with which said end portions of said baiiie member detachably engage.
  • said means for retaining comprises a receptacle, removably seated within said second space, whereby upon separation of said two-part casing, said receptacle may be replaced.
  • said means for supporting said battle member comprises a plurality of elements distributed about said baiiie member, one part of said casing comprising side walls and one of said opposed walls, said side walls having slot means for respectively receiving said elements, and the other part comprising the other of said opposed Walls with depending side wall portions telescoping over said side walls containing the slot means and of sufficient length to close said slot means oli externally.
  • a device as claimed in claim 6 in which the portion of said baiiie member juxtaposed to said opening is conformed to have walls converging toward 4an axis aligned with said opening whereby diierentportions of said walls are of different distances from said opening and receive through the latter diieringintensities of light.
  • a fly-trap comprising a closed casing having opposed top and bottom walls, with baille means sub-dividing the interior of said casing into an upper space adjacent said top wall and into a lower space adjacent said bottom wall, said top wall having an opening for the passage therethrough of insects and of light and said baender means having a portion substantially juxtaposed to said opening, said portion bulging upwardly in a direction toward said opening but without closing said opening, said upwardly bulging portion that is exposed toward said opening being light-reflecting, thereby to appear relatively bright and to attract insects by their sense of sight, means Within said lower space for holding an insect lure, means at those regions of said baffle means that underlie said top wall providing passage for insects from said upper space to said lower space and the lure in the latter,
  • said upwardly bulging portion of said battle means also having the characteristic of transmitting light and thereby appearing, from within said lower space, brighter than other portions of said baliie means, thereby to form a lure to attract insects in said lower space away from said passage-providing means.

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  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Engineering & Computer Science (AREA)
  • Insects & Arthropods (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Catching Or Destruction (AREA)

Description

May 11, 1943. D. H. RoBlNoT ETAL FLY TRAP Filed April 26, -1941 I N VEN TORS.
Patented May 11, 1943 FLY TRAP David H. Robinot, 'New York, and Alex'Weil,
Jamaica, *NL
Application Aprilac, 1941, seriatNa 390,460
(o1. 4s-e114.) Y
14 Claims.
`This invention relates to insect extermination, and more particularly for devices for trapping or catching insects, .particularly flies.
:One of the objects of this invention'is to provide a device of the above-mentioned character that will be of simple and inexpensive construction and assembly and that will be of dependable `and :efficient action in use. Another object is to plO- vvide a device of the above-mentioned character that can be constructed in relatively small form, .that will be neat, clean and attractive inappeare ance and thus avoid the .unsightliness and other disadvantages of many devices, such as stickygfly paper or ribbons, now principally availableon the market, and that can be readily placed in a Wide variety .of locations.
Another object is to provide a device of `the above-.mentioned character in which unsightliness and like disadvantages of knowndevicesmay-be vclependably overcome and in which, in contltastto such know devices, attractiveness and uniqueness of appearance are achieved in a Waythat :Wilkenlarge its use or application inplaces or locations, for example, in a show Window or show case .clis- -playing food products, where heretofore known expedients, rsuch asiiy paper, either arenot at all employed or, if employed, are unsightly and distasteful. Another object is to provide a flytrapping device in which certain functional elements can be made to'provide, or add to, :attractiveness, cleanliness or neatness of appearance.
Another object is to provide a device of the above-mentioned character so constructed as to Vfacilitate manufacture, assembly, replacement of parts, cleaning and the like. Another objectiisto provide a device of the above-mentioned character in which a luring or attraction theretoofies may be achieved in a simple, dependable and `,ei-
-cient manner. Another object is .to vprovide a device of the abovementioned character in which eye-appea or attraction of ies by use of their sense of sight may be eiectively utilized. Another object is to provide a'device of the abovementioned character in which luring thereto of 4flies-by their sense ofsmell and by ytheir sense of sight may be brought about Withgood veliect and ,in a simple, compact attractive and dependable structural manner.
Another object is in general to provide van improved fly-catching device, and .to provide a/device capable of Wide application in practice. `Other objects will be in part obvious or in part pointed ,out hereinafter. Y
The invention accordingly consists-inthe features of construction, combinationsfof elements,
section being :taken Aon line 3-3 QiEaurexZ- ;Eigureflfis atop plan .View ,offabafile insert used in the cor,istrnctOlfl of Figures 1 ,"2 ,and
Figure :5 -isa1 horizontal sectional v ievvI ora mod- --icd form Of 'this invention, the section being takennn line 5- 5fof Figure 6.
figure 16j; is -a lvertical Osectional View as seen alongthe line li-Bof Eli-eure 5.
Figure??Eisqa-topplan'viewof a haineinsert used in the modified rforrn of Figures 5 aI1dI-6; and
:Eignre isa vien/ similar to 'Figure 7 and nshowinganother -inodied form offbaffle-insert, a part' thereof .being brokenaway. Referring -in greater detailto the drawingand more particularly to Figures :1-3, the fly-trap or lure `iS preferably vof ,casing-like for box-like i con- -struction, illustratively four-sided, and fit Iis prefera-bly imade .up of allori/erspart il. andan upper part s; the lowerpart ic has-a-bottom-ornooi n havingextendingupwardlyatright angles there- `rom fourfside wallsild, |5, I;6.and jl- T Whichmay, ifi-desired, teamed integran with meeneem I l. The Lippenpart 9 ycom-prises a top Wallior cover :I2 having textending downwardlytherelfromatright angles four walls, 3l', 32,133 and 3 4 Whichymamif desired, be formed integrally "with the toplwall I2 and which, fwhen Vthe 'top Dart ,-9 isfassembled to the :lower part v l,ll,take Lovervthe upper sides of the walls 4 4, IE, lG-and I 1, in a mannersimilargto that cfa conventional box.' An `leyelet t8 issecured to theloor V-Irl into Whichmay be engaged a nail, hook or other desirablezfnd suitable `object by Vmeans Aof which the trap may bie; esduspended t rom ,a `wall or ,othersurfacel if de- The; top VWall or covervlz isprovided--with an opening 35 4vvlfiich is preferably' circular-.and centrallyvpositionedfas appears better from Figure' 2 .anawactir1e with .the mening es isaftaiie mm.' laber 29 zsuitably supported 4within the closed housmg andprefcrahly supported f theflower casing part I and in spaced relation to the bottom or oor II for supporting the baille member 29 in one form, we provide a secondary wall element I9 which is glued or otherwise secured to the inner face of the walls I4, I5, I6 and I'I. As better appears in Figure 2, the wall element I9 has four portions or secondary walls, one for each of the side walls of the casing part I0, being identified in the drawing by the numerals 20, 2I, 22 and 23 respectively. Each of the secondary walls is provided, near its upper edge and substantially centrally, with a horizontal slot 24 adapted tol receive the free ends 25, 26, 21 and 28, of the baf- Y fle member 29 which is made of a transparent and light-reecting material. Balile insert 29 is illustrated in Figure 4 as being substantially`A square initially and provided at its four corners 7 inclusive, the fiy trap has a bottom part 50 with side walls, illustratively four in number, as in Figures 1-3, and an upper part 5I with depending side walls, illustratively four in number, to
p uthe upper edges thereof for the reception of edge portions or free ends of the balle member, and to illustrate that the baille member may take other forms than that described in connection with cut-outs 36, thus to leave, intervening the cut-outs, the several free end or support-engaging members to be received in the slots 24 of the internal or secondary wall element I9 referred to above. At its center, the baiile may be curved upwardly to form an upright, bulbous dome 38 for a purpose to be presently described. Baille member 29 when assembled to the lower casing part I0, thus has its dome 38 substantially centered with respect to the casing and, as'shown in Figure 3, the top fof the dome 38 'preferably vfalls in the region of the plane of the cover or top wall I2 when the upper casing part 9'is put in position;l top wall or cover I2,'being provided, as above noted, at its center with the circular opening 35, becomes positioned above the plane of the flat portion of the bale member 29 as better 4appears in Figure 3, the space between the two being peripherally closed by the'walls of the lower part I0. VThe opening is preferably proportioned relative to the dome Sli-substantially as shown in the drawing, from which it will be seen that the dome has a wide range of visibility through the opening 35, and beinglight-reecting, appears brightin'comparison to other parts and thus attracts flies by their sense of sight. It will also be notedV (see Figures 2 and 3) that the relationship of these two parts provides an entry lpassageway into the above-mentioned space between the top wall I2 andthe flat portions of the Vbaille 29, for the entry thereinto of flies, while the cut-outs 36l (Figures 4`and r2) provide passageways from that space into the lower interior andv hence into the space between the baiile member `29`and the bottom or oor II of the housing.
Below balile member 29 and hence in the space between the latter and the bottom I I, we provide suitable means to lure or attract the fly downwardly through the passages formed by the cutouts- 36, and such a means preferably functions by way of its odor to lure the ily byits sense of smell; thus, for example, with its bottom resting on oor II of the housing, is a dish or cup-like member 39 made of paper or other-suitable material for containing a suitable lure substance; thus the member 39 at its upper surface, maybe Yprovided with a layer or coat 49 of odorous ma-l terial, 'its odor being such as is tract illes.
calculated to at- As appears clearly from Figures 2 and 3,-the
container or member 39 may conveniently bein general of circular shape, fitting in between the -four side walls of the housing structure, with its lbottom 42 resting against the bottom I I, whlle vits side walls may be of any convenient configura- `entry into the sidewall slots in a manner comparable to the Ventry of the free ends 25, 26, 21, 28` of baille 29 in the slots 24 of Figures 2 and 3. In Figures 5 and 6, the slots in the side walls are shown at 55, with the end elements 54 of the baffle 53 received therein.
Another form of baille insert isfillustrated in Figure 8 where there is employed a `baille insert 53a made of wire mesh, which may be nickel plated or brass plated or treated in any other desirable manner to render it light-reflecting. Here too, the corners are shown as being clipped off, to provide support-engaging portionsror free ends 54a.
The container or receptacle 39 is provided with a suitable substance as above pointed out, and this may be supplied to the' container 39, or a container thus provided with such a substance inserted into the lower casing part I I, after having first removed the upper part 9 and also the baiile 29, whence the baiile is replaced by entering the four free ends in the four retaining slots and the cover is again placed upon the box. The odor of the substance within the trap will attract flies, as will the dome of the transparent and vlightreecting baiilek insert. The bright surface of the .baiie member 29 and particularly of its dome 38 in effect guides the flies, using their sense of sight, to or through the opening 35, andy they come to rest on the upper surface of the baille member 29, being further lured by the odor of the substance in the container 39. Flies will *renter the space between the baffle 29 and the bottom II of the Vbox via the openings created by the cut-outs 36 in the baille insert.
Reachingl the interior through the apertures formed by the cut-outs 36, as' above mentioned, flies proceed to the substance 40, being attracted thereto by its odor, and depending upon the character of the substance 40, final disposition of the flies may thereupon ensue; for example, if the substance 4U is gummy or sticky, as is illustratively set forth above, they become attached thereto as soon as they land or crawl` onto it.
Should they not become disposed of 'in `thatmanhousingpart" 9", where-it notcut away by the opening suitably overliesthese-corneropen= ings, and thus darkensthem, eiiect,A when consideredf'romV within thespace belowthebaiiie'member 29, being' enhancedz` by the relatively large amount of light, entering through the opening 35l in thev cover WallV l2, that is thereby concentrated upon the central'portionl or areas, including the dome 38, oi`thelbaiile member 29. As a result the nies, within the space below` the baieA 29', are guided or led, by their sense ofsight, upwardly (see Figure 3)y to this central andrelatively concentrated areaof light, an veiect thatmay beenhanced in turn by the action of thematerialof thebaffle member 29l and al'sobythe shape of the dome 33, upon the lightrays. Thus flies that arel still free or able tcriiyY or move around and'which seek escape, concentrate their'efforts' quite substantially to the underside of thislcentral portion ofthebaiile member, underlying the opening 35, andwhere thebaiiie member is shaped to provide an upwardly extending but downwardly open pocket such as'the concave interior of the dome 38, the
flies tend to concentrate in that pocket or an individual ily concentrates its efforts therein. And in this connection it might be noted that,
as appears from Figure 3, the walls of the pocket formed by the dome 38, progressively rising towardY or into the opening 35 in the cover wall I2', are thus in eiect brightest or oi greatest light intensity at the region of the apex, and this effect tends to attract the fly or ies more and more. tothe apex. Flies that drop or fall from the underside of the baffle ceived by the cup 39. When the cup is' sufliciently full of flies, the cover of the trap is removed a's is the baille, thecup is disposed of and another cup. substituted for it, which has prior thereto received a coating oiV the gummy substance; When this is done, theV baffle and cover are. again replaced and the device is ready for continued use. When the device is put on the market, it may beV sold with a collapsible'tube ofthe gummy substance which can then be readi1y`applied.
The illustrative modifled'form of the trap differs in the balile mounting in that the retaining slots for the baffle insert are positionedv directly in the walls of the housing. member' 53'is`inserted, its free ends'5l enter the `slots in the lower casingpart 59" and become flush with the outer'surfaces of lower part 50, and when the upper part 5l with its depending side walls, is placed upon the box, it aids in rmly retaining the baffle in operative position.
In order to enhance the eiectiveness of the trap night er in a dark place, it may be desir-'- able toY provide a.. phosphorescent spot in the dome oi the baiiieV insert or anywhere else on the insert or aroundthe edges of the dome or around the circular opening oi the cover or at any other advantageous point.
Many modications not become apparent, and others will become apparent in the course of time. For instance, the bafiie insert illustrated in Figure 4 may be made in the shape shown in Figure "I, that is to say, the baie shown in Figure 7 may be provided with a dome, and the inserts shown in Figures 7 and 8 may be made in the shape shown in Figure 4, that is to say they may be provided with free ends instead of clipped corners, and the box may be made in other forms and not only square. Furthermore, it may be desired to paint an ornashown in the drawing the darkening" member 29 are re;
When the baiiie mentaldesig'nor desig-nsfuponthe box, in orders torendenit' decorative.- v
It=will be understood,l therefore, that the fore going is to beregarded`as1'llustrative and descrip:`
tiveonly oipreferred .embodiments oi the invention, and it'w-ill bevclear that-changes inthe conAr` struction of the invention may be made withinv the scope oi the appended claims, withoutv4 dee parture from the spirit of the present invention.
Having thus described'the invention, What is claimed as -neW- andi desiredito `secureby Letters Patent, is:` v
l. A ily-trap'comprising acasing having op posedtop and'bottomwall's, and side Walls, with. asubstantially centrally positioned opening in saidltop Wall forthepassageinto the interior ofA the casing oi insectseandoi light, a baiile member Within said VAcasing and extending crosswise thereof and'spaced'intermediate of said top wall and-'- bottom wall and presenting a substantially central area thereof-'below said opening ior receivingl light entering'the case'through said opening and other portions thereofv below those parts oi the' top" walll that extend about said opening', said other portions being shielded by said partsk of'saidf top wall against material illumination thereoff whereby' said central areal receives maximum lightf through said'opening and said other-porvl` tions of said baille-member are in contrast to said central area relativelydark, said central area or maximumlight of said baiile memberhaving thel characteristic of transmitting light therethrough and said other portions thereof that are relaA tively dark having means iorming'a passageir insects to the space between' said'bafile member and said bottom Wall, whereby said passage#- iorming'means are-located in a region relatively dark as compared to the light intensity oi said centra'l'area, said central area of said barile mem'-4v ber, dueto its light-transmitting characteristic anddue to lightit receives through saidopening; acting by way of thecontrast to the dark region. oi said passage-forming means to attract insects within said last-mentioned space away from said passage;
2. A fly-trap comprising a closed'casinghaving in a wall thereof an opening for the passage therethroughoiinsects and of light, said opening`V being of'lesser area than said wall, means Within said@ casing and remote from said opening for supporting; an insert lure,l baiiie means made-"ofv a light-transmitting material interposed between said wall and said means and sub-dividing ther interioroi said closed casing into two spaces in one oi which is saidslure-supporting `meansand tothe other oi which said opening forms an entry thereto for insects and' for the passage oi' light rays to said baille means, said bafie means having a conguration so that certain portions are more remotely spaced'irom said openingthan are other portions thereof, thereby to vary the intensity'oi light striking'said baille` means and to cause pori tions thereof to appear, from within the space containing said lure-supporting means, of greater light intensity than others and thereby attract insects thereto, and means located at portions of said light-transmitting baffle means that are more remote from said opening forming a passage for insects to said last-mentioned space and hence to said lure, the portions of said light-transmitting baille means that are at greater light inten sity attracting insects in said space that contains said lure-supporting means away from said passage-forming means.
3. A device as claimed in claim 2 in which said bailie means comprises a substantially flat member made of said light-transmitting material, said member being of an extent to underlie said wall and said openingv,whereby the portions o f said member substantially juxtaposed to said opening are of greater light intensity and other portions thereof that underlie said wall and are more remote from said opening are of lesser light intensity.
4. A device as claimed in claim 2 in which said baffle means comprises a member made of said light-transmitting material and having a portion juxtaposed to said opening formed to provide a pocket opening into the space containing said lure with the bottom portions of said pocket nearest said opening, thereby to provide said portions of greater light intensity.
5. A device as claimed in claim 2 in which the portions of said baiiie means underlying said opening converge to an apex substantially coaxially aligned with said opening.
6. A fly-trap comprising a two-part box-like casing having two opposed walls, one on each of the two parts, one of said walls having a substantially centrally positioned opening for entry of insects and of light, means in said casing for retaining a lure in the region thereof adjacent the other of said opposed Walls, a baille member for sub-dividing the interior of said casing into a space adjacent said one wall and its opening and another space bounded by said baiiie member and said other wall, at least that portion of said baille member juxtaposed to said opening being of a light-transmitting medium to receive light from said opening and to appear, from Within said second-mentioned` space, as a relatively bright area or region as compared to the portionsv of said baiiie member underlying said one wall, the latter shielding said portions of said baffle member against material illumination there being means at the regions of said baiile member underlying said one wall forming a passageway for insects from said rst space to said second space when attracted by the lure in the latter, and means supporting said baiiie member within said casing. Y
'7. A device as claimed in claim 6 in which said means for supporting said baffle member comprises a plurality of elements distributed about said baffle member, said casing being provided with recess means for receiving said elements of said baiile member.
8. A device as claimed in claim 6 in which said means for supporting said baiile member comprises a plurality of end portions distributed about said balile member, the side walls of said casing having slot means for receiving said end portions of said baiile member.
9. A device as claimed in claim 6 in which said means for supporting said bafiie member comprises a plurality of end portions distributed about said baffle member, said casing having internally thereof secondary side walls provided with means with which said end portions of said baiiie member detachably engage.
10. A device as claimed in claim 6l in which said means for retaining. said lure comprises a receptacle, removably seated within said second space, whereby upon separation of said two-part casing, said receptacle may be replaced.
11. A device as claimed in claim 6 in which said means for supporting said baiile member comprises a plurality of elements distributed about said baiiie member, one part of said casing comprising side walls and one of said opposed walls, said side walls having slot means for respectively receiving said elements, and the other part comprising the other of said opposed Walls with depending side wall portions telescoping over said side walls containing the slot means and of sufficient length to close said slot means oli externally.
12. A device as claimed in claim 6 in which the portion of said baiiie member juxtaposed to said opening is conformed to have walls converging toward 4an axis aligned with said opening whereby diierentportions of said walls are of different distances from said opening and receive through the latter diieringintensities of light.
l 13. A device as claimed in claim 6 in which the portion of said baiiie member underlying said opening is substantially dome-shaped with its apex in the region of the plane of said one wall.
' 14. A fly-trap comprising a closed casing having opposed top and bottom walls, with baille means sub-dividing the interior of said casing into an upper space adjacent said top wall and into a lower space adjacent said bottom wall, said top wall having an opening for the passage therethrough of insects and of light and said baiile means having a portion substantially juxtaposed to said opening, said portion bulging upwardly in a direction toward said opening but without closing said opening, said upwardly bulging portion that is exposed toward said opening being light-reflecting, thereby to appear relatively bright and to attract insects by their sense of sight, means Within said lower space for holding an insect lure, means at those regions of said baffle means that underlie said top wall providing passage for insects from said upper space to said lower space and the lure in the latter,
said upwardly bulging portion of said baiile means also having the characteristic of transmitting light and thereby appearing, from within said lower space, brighter than other portions of said baliie means, thereby to form a lure to attract insects in said lower space away from said passage-providing means.
DAVID H. ROBINOT.
ALEX WEIL.
US390460A 1941-04-26 1941-04-26 Fly trap Expired - Lifetime US2318634A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4126959A (en) * 1977-02-14 1978-11-28 Graham George L Adhesive-lined insect capture device and kit
US20050055870A1 (en) * 2000-10-06 2005-03-17 Alvar Yelverton Light attractant insect trap

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4126959A (en) * 1977-02-14 1978-11-28 Graham George L Adhesive-lined insect capture device and kit
US20050055870A1 (en) * 2000-10-06 2005-03-17 Alvar Yelverton Light attractant insect trap

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