Patent US2684161A successfully refreshed from Google Patents.
US3835577A
Expired / Lapsed
US
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Electrical discharge insect control system
Assignee: Gem Insect Control Inc
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Filing: 1972-04-26
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Granted: 1974-09-17
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Expires: 1992-04-26
Abstract
Abstract An electrical discharge, insect control system operative to attract insects to a space between inner and outer electrified screens where insect electrocution is accomplished. System elements are positioned by attachment to a rigid, central support column, vertically traversing the entire structure so as to provide a strong support which reinforces the unit against physical damage. The inner and outer wire meshes are spaced by a plurality of extended length, slippery insulators which prevent impairment of the electric field between screens from an accumulation of insects on the insulators. The outer screen is collared with rigid end bands which maintain screen shape and prevent abrasion from contact with screen edges. A simplified, yet rigid attachment system permits easy replacement of the screens and insulators as a unit when necessitated by damage.
Inventors
- 👤 G Soulos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:33
CPC Classifications
A; A01; A01M; A01M1/00; A01M1/02; A01M1/04; A01M1/22; A01M1/223; A01M2200/00; A01M2200/01; A01M2200/012
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
299 words
An electrical discharge insect control system comprising: a central support column; first and second supports secured to upper and lower portions of said column; an insect lure secured between said first and second supports; a voltage augmenting transformer secured to the upper surface of said first support and having electrical input connections thereto from a sourCe of electrical current; a securing means; a bracket attached to the upper surface of said first support and providing an extension of said support column from said first support to a central point above said transformer and being adapted at said central point above said transformer to receive said securing means; a cover plate adapted to be secured between said securing means and said bracket; a generally cylindrical first wire screen having first and second collars attached to respective ends thereof to shield the terminations of said first wire screen at said ends and to provide shape retention; means for detachably securing said first collar to said first support; means for detachably securing said second collar to said support column through said second support; a plurality of insulated spacers; a generally cylindrical second wire screen smaller in length and diameter than said first wire screen and supported coaxially thereof by said plurality of insulated spacers; said insulated spacers being substantially longer than the spacing between said first and second wire screens; indentations in one of more of said wire screens to accommodate the greater length of said spacers; electrical connections between said second inner wire screen and a high voltage output of said transformer and between a high voltage common output of said transformer and said outer screen; said first and second wire screens, first and second collars, and said insulating spacers being readily replaceable as a unit through said detachable securing means.
Claim 2
Dependent Claim
299 words
An electrical discharge insect control system comprising: a central support column; first and second supports secured to upper and lower portions of said column; an insect lure secured between said first and second supports; a voltage augmenting transformer secured to the upper surface of said first support and having electrical input connections thereto from a sourCe of electrical current; a securing means; a bracket attached to the upper surface of said first support and providing an extension of said support column from said first support to a central point above said transformer and being adapted at said central point above said transformer to receive said securing means; a cover plate adapted to be secured between said securing means and said bracket; a generally cylindrical first wire screen having first and second collars attached to respective ends thereof to shield the terminations of said first wire screen at said ends and to provide shape retention; means for detachably securing said first collar to said first support; means for detachably securing said second collar to said support column through said second support; a plurality of insulated spacers; a generally cylindrical second wire screen smaller in length and diameter than said first wire screen and supported coaxially thereof by said plurality of insulated spacers; said insulated spacers being substantially longer than the spacing between said first and second wire screens; indentations in one of more of said wire screens to accommodate the greater length of said spacers; electrical connections between said second inner wire screen and a high voltage output of said transformer and between a high voltage common output of said transformer and said outer screen; said first and second wire screens, first and second collars, and said insulating spacers being readily replaceable as a unit through said detachable securing means.
Claim 3
Dependent Claim
33 words
The electrical discharge insect control system of claim 1 wherein said plurality of spacers have a low friction outer surface whereby insects falling thereon are more easily dislodged or prevented from accumulating thereon.
Claim 4
Dependent Claim
57 words
The electrical discharge insect control system of claim 1 wherein: said first support is a generally circular plate extending to close proximity with said cover; said bracket is a generally U-shaped support secured at two points to said plate and at an upper central point to said securing means; and said securing means is a ring bolt.
Claim 5
Dependent Claim
61 words
The electrical discharge insect control system of claim 1 wherein said first and second wire screens are formed from rectangular sections of wire screen curved in a cylindrical shape and welded at confronting edges to prevent heat generated from conduction of electricity through insects from one of said wire screens to the other from melting the joint between said confronting edges.
Claim 6
Dependent Claim
295 words
An electrical discharge insect control system comprising: a central support column; first and second supports secured to upper and lower portions of said column; an insect lure secured between said first and second supports; a voltage augmenting transformer secured to the upper surface of said first support and having electrical input connections thereto from a source of electrical current; a securing means; a bracket attached to the upper surface of said first support and providing an extension of said support column from said first support to a central point above said transformer and being adapted at said central point above said transformer to receive said securing means; a cover plate adapted to be secured between said securing means and said bracket; a frame structure having top and bottom openings and a plurality of side openings; means for detachably securing said frame to said first support at points bordering said top opening; means for detachably securing said frame to said support column through said second support; a first plurality of wire screens secured across said plurality of side openings; a plurality of dielectric spacers; a second plurality of wire screens inwardly secured from said first plurality of screens by said plurality of dielectric spacers; said dielectric spacers being substantially longer than the spacing between saId first and second plurality of wire screens; indentations in one or more of said wire screens to accommodate the greater length of said spacers; electrical connections between said second plurality of wire screens and a high voltage output of said transformer and between a high voltage common output of said transformer and said first plurality of screens; said first and second pluralities of screens, said frame, and said dielectric spacers being readily replaceable as a unit through said detachable securing means.
Claim 7
Dependent Claim
295 words
An electrical discharge insect control system comprising: a central support column; first and second supports secured to upper and lower portions of said column; an insect lure secured between said first and second supports; a voltage augmenting transformer secured to the upper surface of said first support and having electrical input connections thereto from a source of electrical current; a securing means; a bracket attached to the upper surface of said first support and providing an extension of said support column from said first support to a central point above said transformer and being adapted at said central point above said transformer to receive said securing means; a cover plate adapted to be secured between said securing means and said bracket; a frame structure having top and bottom openings and a plurality of side openings; means for detachably securing said frame to said first support at points bordering said top opening; means for detachably securing said frame to said support column through said second support; a first plurality of wire screens secured across said plurality of side openings; a plurality of dielectric spacers; a second plurality of wire screens inwardly secured from said first plurality of screens by said plurality of dielectric spacers; said dielectric spacers being substantially longer than the spacing between saId first and second plurality of wire screens; indentations in one or more of said wire screens to accommodate the greater length of said spacers; electrical connections between said second plurality of wire screens and a high voltage output of said transformer and between a high voltage common output of said transformer and said first plurality of screens; said first and second pluralities of screens, said frame, and said dielectric spacers being readily replaceable as a unit through said detachable securing means.
Claim 8
Dependent Claim
33 words
The electrical discharge insect control system of claim 5 wherein said plurality of spacers have a low friction outer surface whereby insects falling thereon are more easily dislodged or prevented from accumulating thereon.
Claim 9
Dependent Claim
57 words
The electrical discharge insect control system of claim 5 wherein: said first support is a generally rectangular plate extending to close proximity with said cover; said bracket is a generally U-shaped support secured at two points to said plate and at an upper central point to said securing means; and said securing means is a ring bolt.
Claim 10
Dependent Claim
124 words
In an electrical discharge insect control system of the type having first and second conductive screens electrified to provide a potential difference therebetween which is operative to electrocute insects therebetween, the improvement comprising: a plurality of indentations in one or more of said first and second screens; a plurality of extended length dielectric spacers joining said first and second screens at the points of said indentations to provide relative positioning and support of said screens, one to the other, and extending beyond the surfaces of said one or more screens into said indentations to provide portions of said dielectric spacers which are shielded from acquiring an accumulation of electrocuted insects whereby a conductive shunt between said first and second screens is inhibited from developing.
Claim 11
Dependent Claim
124 words
In an electrical discharge insect control system of the type having first and second conductive screens electrified to provide a potential difference therebetween which is operative to electrocute insects therebetween, the improvement comprising: a plurality of indentations in one or more of said first and second screens; a plurality of extended length dielectric spacers joining said first and second screens at the points of said indentations to provide relative positioning and support of said screens, one to the other, and extending beyond the surfaces of said one or more screens into said indentations to provide portions of said dielectric spacers which are shielded from acquiring an accumulation of electrocuted insects whereby a conductive shunt between said first and second screens is inhibited from developing.
Claim 12
Dependent Claim
25 words
The improved electrical discharge insect control system of claim 8 wherein said spacers have a low adhesion surface to inhibit an accumulation of insects thereon.
Claim 13
Dependent Claim
61 words
The improved electrical discharge insect control system of claim 8 further including: a support structure for said insect control system; a frame for containing said first and second screens in a predetermined form; and means for detachably securing said frame to said structure to permit simple replacement of said first and second screens, said spacers, and said frame as a unit.
Claim 14
Dependent Claim
60 words
The improved electrical discharge insect control system of claim 10 wherein: said structure includes a central support column; said frame contains said first and second screens in enclosing relationship to said central support column; and said means for detachably securing said frame and structure include means for securing said frame to top and bottom portions of said central support column.
Claim 15
Dependent Claim
164 words
An electrical discharge insect control system comprising: a high voltage transformer operative to provide a high voltage output; first and second, outer and inner conductive screens connected to opposite potentials of said high voltage output; said first, outer screen generally surrounding said second, inner screen in close spaced relationship thereto; a plurality of dielectric spacers for maintaining the close spaced relationship of said first and second screens relative to each other; an energy radiating cylindrical insect lure; a support plate for holding said transformer and said lure on opposite sides thereof, said lure extending perpendicular to said plate; a frame secured to said first screen for defining and maintaining a predetermined shape for said first screen, said frame including a support bar across a bottom opening of said first screen and an upper collar on said first screen; and first and second means for detachably securing said frame to said plate respectively at a point on said bar and at points On said collar.
Claim 16
Dependent Claim
164 words
An electrical discharge insect control system comprising: a high voltage transformer operative to provide a high voltage output; first and second, outer and inner conductive screens connected to opposite potentials of said high voltage output; said first, outer screen generally surrounding said second, inner screen in close spaced relationship thereto; a plurality of dielectric spacers for maintaining the close spaced relationship of said first and second screens relative to each other; an energy radiating cylindrical insect lure; a support plate for holding said transformer and said lure on opposite sides thereof, said lure extending perpendicular to said plate; a frame secured to said first screen for defining and maintaining a predetermined shape for said first screen, said frame including a support bar across a bottom opening of said first screen and an upper collar on said first screen; and first and second means for detachably securing said frame to said plate respectively at a point on said bar and at points On said collar.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-16 | 1978-03-18 | 1978-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-16 | 1982-03-18 | 1982-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-16 | 1986-03-18 | 1986-09-17 | $7700.00 | Window Closed / Lapsed |