An elongated strip of extruded plastics material includes a vertical rear plane adapted to seat on the rear portion of a gutter-hanging bracket. The rear vertical plane integrally connects to a second forward extending plane that joins, by means of an underlying u-shaped channel, a v-shaped perforated third plane that forces water to pool and drop through the perforations. The third plane joins, by means of an underlying u-shaped channel, a flange that projects outwardly for retaining the strip to a gutter. A filter configuration comprised of a debris repelling membrane, overlying a skeletal structure of ellipsoid rods spaced and resting on vertical planes, serves to break the forward flow of water and to channel water onto and through its integral perforated horizontal plane. The filter configuration is readily inserted into the u-shaped channels existing on the forward and rear edges of the v-shaped perforated third plane. A filter assembly is provided including a filter membrane and a skeletal structure. The filter membrane defines a first surface and a second surface. The skeletal structure is provided beneath the filter membrane and is bounded by longitudinally extending ends. The skeletal structure includes a perforated plane spaced from the first surface of the filter membrane, and a first leg disposed on the perforated plane intermediate the longitudinally extending ends and extending along a length of the skeletal structure above the perforated plane. The first leg extends toward and contacts the first surface of the filter membrane, whereby when the filter assembly is installed in the open top of a rain gutter, water flowing across the filter membrane in a direction normal to the length of the skeletal structure is redirected downward by the first leg through the perforated plane and into the rain gutter. A gutter shield is provided for mounting in an open top of a rain gutter, the gutter shield including an elongated body adapted to receive the filter assembly.
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0. 8. A filter assembly, comprising:
a filter membrane defining a first surface and a second surface; and
a skeletal structure beneath the filter membrane and bounded by longitudinally extending ends, the skeletal structure including:
a perforated plane spaced from the first surface of the filter membrane; and
a first leg disposed on the perforated plane intermediate the longitudinally extending ends and extending along a length of the skeletal structure above the perforated plane, wherein the first leg extends toward and contacts the first surface of the filter membrane, whereby when the filter assembly is installed in the open top of a rain gutter, water flowing across the filter membrane in a direction normal to the length of the skeletal structure is redirected downward by the first leg through the perforated plane and into the rain gutter.
0. 1. A gutter shield device for mounting in an open top of a rain gutter attached to an edge of a roof, said gutter shield comprising:
(a) an elongated sheet of extruded material having four interconnected planes wherein the sheet comprises:
a first plane for resting on a front lip of the rain gutter, the first plane connected to a second plane by a u-shaped channel lying beneath the surface of the first plane
the second plane is perforated and angles downward and inward toward a center of the sheet in a manner to break a forward flow of water adhesive channeling paths for redirecting water downward and inward into the gutter; said second perforated plane terminating and adjoining at a lower most edge to a vertical leg that serves as a supporting structure for an insertable filtration configuration; said vertical leg additionally serving to join a third perforated plane that angles upward from said second perforated plane and upward and away from the center of the sheet in a manner for redirecting a forward flow of water downward to said vertical leg that also serves as a dam for the flowing water ensuring that the water will pool and drop through the perforations of said third perforated plane; said third perforated plane is joined, by means of an upward extending vertical wall that is capped by an integral u-shaped channel positioned at an uppermost edge of the vertical wall, a fourth plane angles slightly upward from the vertical wall, and said filtration configuration comprising a filter membrane resting on a skeletal structure that embodies ellipses resting on centered, underlying vertical legs, said legs resting on and extending above a perforated plane, said perforated plane having underlying vertical legs that are adapted to further direct the downward channeling of water into the rain gutter and also disallowing forward channeling of water due to the spacing and vertical downward extension of said vertical legs, whereby a forward rush of water is broken and redirected by said planes, ellipses, and vertical legs, wherein said ellipses and vertical legs are adapted to be separated by unbroken air space, in a manner that enables the sheet to self-clean clogging elements selected from a group consisting of scum, oils, pollen paste, matted silica, and other scum forming elements off said filter membrane to an extent that disallows said clogging elements from healing over and clogging water receiving areas of said filtration combination.
0. 2. The gutter shield device according to
0. 3. The gutter shield device according to
0. 4. The gutter shield device according to
0. 5. The gutter shield device according to
0. 6. The gutter shield device according to
0. 7. The gutter shield device according to
0. 9. The filter assembly of claim 8, wherein the first leg comprises a plurality of first legs disposed on the perforated plane wherein each of the first legs extends toward and contacts the first surface of the filter membrane.
0. 10. The filter assembly according to claim 9, wherein each of the first legs includes a first end contacting the first surface of the filter membrane.
0. 11. The filter assembly according to claim 8, further comprising:
a second leg disposed on the perforated plane and extending in a direction away from the filter membrane, opposite the first leg, the second leg comprising a free end, wherein the second leg extends along the length of the skeletal structure below the perforated plane.
0. 12. The filter assembly according to claim 11, wherein the second leg comprises a plurality of second legs extending along the length of the skeletal structure below the perforated plane.
0. 13. The filter assembly according to claim 8, wherein the skeletal structure further comprises first and second additional planes arranged along opposite sides of the perforated plane and defining the longitudinally extending ends, wherein the first and second planes are arranged above the perforated plane.
0. 14. The filter assembly according to claim 13, wherein the first and second additional planes are connected to and arranged parallel to the perforated plane, and wherein longitudinally extending edges of the filter membrane are attached to the first and second additional planes.
0. 15. A gutter shield for mounting in an open top of a rain gutter, the gutter shield comprising:
an elongated body, wherein the filter assembly according to claim 8 is received in the elongated body.
0. 16. The gutter shield according to claim 15, wherein the elongated body is extruded.
0. 17. The gutter shield according to claim 15, wherein the elongated body comprises:
a first portion adapted to contact a front lip of the rain gutter;
a second portion coupled to the first portion and including a plurality of perforations; and
a third portion coupled to the second portion, wherein the filter assembly is received between the first and third portions and positioned over the second portion.
0. 18. The gutter shield according to claim 17, wherein the third portion includes a recessed scoring channel on an upper planar surface for facilitating a clean breaking during installation of the gutter shield.
0. 19. The gutter shield according to claim 17, further comprising:
a cover configured to be attached over the third portion, whereby when adjacent gutter shields are mounted side-by-side in the open top of the rain gutter, the cover spans a joint between the gutter shields.
0. 20. The gutter shield according to claim 19, wherein the cover comprises aluminum, zinc, or copper.
0. 21. The gutter shield according to claim 20, wherein the cover comprises zinc, whereby the zinc cover includes fungicidal properties and discourages moss, mold, or mildew growth.
0. 22. The gutter shield according to claim 20, wherein the cover provides color and material matching of the gutter shield to the rain gutter.
0. 23. The gutter shield according to claim 19, wherein the cover comprises a slide-on or clip-on metal cover.
0. 24. The gutter shield according to claim 17, further comprising:
a cover configured to be attached over the first portion, whereby when adjacent gutter shields are mounted side-by-side in the open top of the rain gutter, the cover may span a joint between the gutter shields.
0. 25. The gutter shield according to claim 24, wherein the cover comprises aluminum, zinc, or copper.
0. 26. The gutter shield according to claim 25, wherein the cover comprises zinc, whereby the zinc cover includes fungicidal properties and discourages moss, mold, or mildew growth.
0. 27. The gutter shield according to claim 25, wherein the cover provides color and material matching of the gutter shield to the rain gutter.
0. 28. The gutter shield according to claim 24, wherein the cover comprises a slide-on or clip-on metal cover.
0. 29. The gutter shield according to claim 17, wherein the third portion includes a recessed receiving channel arranged adjacent to the second portion and configured to receive one of the longitudinally extending ends of the skeletal structure, and wherein the recessed receiving channel includes an upper extension extending over the longitudinally extending end of the skeletal structure and over a longitudinally extending edge of the filter membrane.
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Referring, again, to
Referring again to
Referring now to
Referring now to
This clipped on cover 35 may serve to join two extruded body pieces together by spanning and covering the joint formed at their side-by-side abutment when such pieces are installed in a rain gutter. This clipped on cover 35 may further serve to provide fungicidal properties when made of zinc that would discourage moss mold or mildew growth on the invention, which is an improvement, not found in prior art. The clipped on cover 35 may further serve to allow color and material matching of the plastic extruded body to aluminum, copper, and other metal rain gutters which is an advantage and property not found or suggested in prior art. The co-use of two such materials, polymer and metal, in a leaf guard on copper or other expensive metal rain gutters would provide a great economical alternative to the use of solid copper leaf guards which naturally employ thicker and thereby more expensive copper in their design. The dimensions of such an extruded 0.019 or thinner metal cover would be such that it's underside 36 would be approximately 5 percent to 15 percent greater than the exterior portion of the extruded plastic body of the invention it covers. Such extruded metal cover may also serve to act as an extension for the plastic extruded body it covers to allow for a fit rain gutters larger than standard 5″ K style gutters by widening the clip on metal shelf 35 to accommodate 6 inch or wider rain gutters.
Referring again to
Referring again to
Referring again to
Referring again to
Referring again to
Referring now to
The elliptical curved surfaces 47 resting on vertical legs 45, create water-channeling paths that exhibit siphoning effects stronger than has been realized in prior art. These “t” configurations, as well as their approximate spacing of 0.19 inch from subsequent ellipses and legs, create act as an ideal support for warp-knitted filter membrane 50 (shown in
Perforated plane 48 continues forward until it intersects the second vertical leg 45 approximately 0.2 inch below ellipse 47. Vertical leg 45 extends approximately 0.22 inch downward from perforated plane 48 in order to break any surface tension of water adhering to perforated plane 48 and redirect it downward into a rain gutter. A second perforated plane 48 extends forward horizontally from a second vertical leg 45 until it intersects a third vertical leg 45. Third vertical leg 45 is capped by an ellipse 47 as are all vertical legs of filter skeleton 43. A third perforated plane 48 extends forward horizontally from third vertical leg 45 until it intersects a vertical leg 51 whose length from ellipse 47 to it's lower most surface 46 is approximately 0.45 inch. A fourth perforated plane 48 extends forward horizontally from vertical leg 51 for a distance of approximately 0.25 inch where it then right angles upward into a vertical leg 54 whose approximate length is 0.2 inch. Vertical leg 54 extends upward into an ellipse 47. Directly beneath the ellipse which caps vertical leg 54, a horizontal perforated plane 55 52 extends forward for a distance of approximately 0.45 inch. Planes 44 and 52 each have the endmost section of their length non-perforated to allow space for a sewing seam. filter Filter membrane 50 will be sewn onto filter skeleton 43 at these endmost sections of planes 44 and 52.
Referring to
It can also be seen in
Referring again to
Referring to
Referring to
Referring to
Sub-heading 1
Covering of Joints, Aligning of Adjoining Sections, and Color Matching
Once this is accomplished, main body 1 offers improvement over prior art in offering a method of aligning adjoining sections of the invention in a manner that allows joints between adjoining body members to be covered. This covering of joints and joining of abutted sections of the invention is accomplished by means of a roll-formed or “braked” sleeve (see
Referring
Sub-heading 2
Vertical Height and Horizontal Width Adjustments
Another improvement achieved by the present invention, not known in prior art, is its ability to provide a means of extending body width to accommodate standard sized commercial sized gutters with 4, 5, 6, and 7 inch widths. Widening may be accomplished by breaking or rollforming the metal cover 35 (
Sub-heading 2a
Vertical Adjustments
In the event body 1 is installed in a rain gutter affixed to a fascia board by gutter spikes, the present invention offers an improvement not found in prior art by offering a quick, at-the-point-of-installation, method of adjusting the height of the body to ensure it remains consistent. The body 1 of the present invention offers improvement over prior art by allowing for adjustment of it's rear vertical leg 19 by scoring and breaking of the rear leg at points 21. It is known gutter spikes, often employed to secure a rain gutter to a fascia board, are driven in and remain at uneven heights at the rear of the rain gutter. Prior art, which requires a supporting of a rear leg or rearward part of invention body, has not foreseen or allowed for simple height adjustments to be made, which would accommodate prior art bodies to supporting, gutter spikes. Such adjustments may be necessary to maintain a consistent level height of gutter protection units for cosmetic as well as functional reasons.
The improvement accomplished by the present invention is that such height adjustment may be accomplished quickly at the point of installation with a simple blade (to score point 21) and pair of scissor snips to clip the rear leg structure from rear horizontal leg 20 up through rear vertical leg 19 to the scored recess 21. The scored mark ensures that the portion of rear vertical leg 19 so scored and cut will break off easily. Prior art does not allow for such simple controlled height adjustment at the point of installation (possibly while the installer is on an extension ladder).
Sub-heading 2b
Width Adjustments
The body 1 of the present invention offers another improvement over prior art designed to be inserted into the top of a rain gutter, rather than rest upon the top surface of a subroof or roofing membrane, such as U.S. Pat. No. 6,134,843 to Tregear, U.S. Pat. No. 5,619,825 to Leroney, etc,. by allowing for adjustment of the main body by means of a pre-scored recessed channel 59 (
Prior art has offered limited adjustment of width, usually by relying on body tension to extend width, as illustrated in such prior art as U.S. Pat. No. 5,619,825 to Leroney, but such extension of body width found in prior art is meant only accommodate one gutter width i.e.: 5 inch or 6 inch and does not allow for utilization of prior art over a span of varying standard gutter widths. Added width of span accomplished by tension weakens the strength of such invention's affixture to the raingutter since the pressure of tension is weakened. Prior art does not allow for the shrinking or widening of body width offered by the present invention in such fashion as to allow installations on narrower gutter widths than 5 inch or as to allow consistently secure installations on wider gutter widths than 5 inch.
Prior art that does allow for installation on varying standard gutter widths such as is found in U.S. Pat.. No. 5,660,001 to Albracht and U.S. Pat. No. 5,640,8090 etc, is undesirable because of the required securing of such prior to or beneath roofing membranes, which has been found to cause failures of roofing membrane integrity.
Sub-heading 3
Water Receiving Wells
Referring again to
Referring to
Sub-heading 4
Filter Membrane and Skeleton
Once installation and, if necessary, adjustment of the body and/or covering of the body 1 of the present invention is achieved, a filter membrane and skeleton will then be inserted into the recessed channel of the present invention. (See
Several improvements over prior art are offered by the filter membrane and skeleton employed by the present invention:
Sub-heading 4a
Filter Skeleton
Referring now to
This common occurrence in prior art occurs for several reasons.
Perforated surfaces existing in a single plane, such as is employed in U.S. Pat. No 5,595,027 to Vail, or as exists in the Commercial Product SHEERFLOW. RTM. Manufactured by L. B. Plastics of N.C., and similar prior art tend to channel water inventions sought to correct this undesirable property by either tapering the rim of the open perforation and/or creating downward extensions of the perforation (creating a water channeling path down through open air space) as exhibited in prior art U.S. Pat. No. 6,151,837 to Ealer, or by creating dams on the plane the perforations exist on, as exhibited in prior art U.S. Pat. No. 4,727,689 to Bosler. Such prior art has been unable to ensure all water would channel into the underlying rain gutter because the water, that did, indeed, travel through the open apertures on the top side of these types of perforated planes or screens, would also travel along the underside of the screen wires or perforated planes, as it had on top of these surfaces, and still continue it's undesirable flow to the front of the invention and front lip of the underlying rain gutter, due to water adhesion. Additionally, this “underflow” of water on the underside of the perforated planes and screens illustrated in prior art exhibits a tendency to “back flow” or attempt to flow upwards through the perforations inhibiting downward flow of water. This phenomenon has been noted in practice, in the field when it has been observed that open air apertures appear filled with water while accomplishing no downward flow of water into the underlying rain gutter.
Other inventors sought to eliminate this undesirable property by employing linear rods with complete open air space existing between each rod, This method of channeling more of the water into the rain gutter exhibits more success on the top surface of such inventions, but it fails to eliminate the “under channeling” of rainwater toward the front of the invention due to the propensity of water to follow the unbroken interconnected supporting rods or structure beneath the top layer of rods.
Referring again to
The “t” configuration also offers improvement over prior art because it creates an absolute break in the water adhesion flow on the bottoms of vertical legs 45, 46, 51, & 54. Water which will travel down rods 47, then though the open air apertures 0 which exist in planes 48, will next adhere to and travel down the lower (beneath planes 48) portions of the vertical legs of the “t”. Water traveling down the vertical legs, at this point, is an improvement over prior art such as U.S. Pat. No. 5,595,027 to Vail, U.S. Pat. No. 5,956,904 to Gentry, U.S. Pat. No. 5,619,825 to Leroney, U.S. Pat. No. 4,841,686 to Rees, U.S. Pat. No. 6,134,843 to Tregear, because it has discontinued it's forward flowing path on the underside of the perforated plane, as is common in the prior art, and is now being channeled, again, downward toward the inside of the rain gutter. Prior art, U.S. Pat. No. 4,745,710 also temporarily accomplishes this downward flow utilizing it's rod-supporting structure, but not nearly as effectively due to the interconnection of the underlying support structure, which provides a forward flowing water path by means of water adhesion along an unbroken surface. The improvement of the “t” configuration over prior art is again accomplished by a third, completely disconnected path of water flow, achieved at the lower termination of the vertical legs 45, 46, 51, & 54. Water, at these points, may only flow downward into the rain gutter. This is due to the length of the downward extensions of the vertical legs, which, by design, disallow backflow of water on the underside of the perforated planes 48, or forward flow of water along a water adhesion path to the front lip of the rain-gutter.
Filter Skeletal structure 43 of the present invention creates a siphoning action and ensures a downward, rather than forward flow of water not exhibited by prior art. Referring to
Sub Heading 4b
Filter Membrane
Prior art, though naming filtering medium as cloth or screen or tangled mesh, has not recognized or utilized the improvements offered by a filtering membrane accomplished by the intersection of material of equal or larger and smaller wire, or cloth, or plastic thread configurations as is illustrated in
Filtering and screening methods illustrated in prior art attempted to improve the propensity of reverse-curved or hooded gutter protection systems illustrated in prior art U.S. Pat. No. 5,557,891 to Albracht, and similar inventions, to trap and hold debris within their open channels. When this has occurred, water has flowed past the clogged open channels and to the ground due to waters tendency to bridge over debris trapped in a concave aperture.
When debris rests on planar surfaces, water will travel beneath, rather than bridge over them, and attempt to travel through any open-air openings or apertures that exist beneath the debris. Filter and screening methods of gutter protection, however, illustrated in prior art have employed woven or knitted or mesh fibers or wires which intrinsically contain numerous joints, which tend to trap and hold debris. Filtering cloths, screens, and meshes are known to trap and hold debris to protect a medium on the other side of the filter. Screens, too, are known to trap and hold debris. When any of these methods of gutter protection have been employed in prior art, such inventions have been known to trap and hold debris reducing the amount of water that is able to enter an underlying rain gutter regardless of the porosity and/or density of the filter medium.
The present invention exhibits no tendency to trap and hold debris, or dirt, or pollen and thereby offers a significant improvement over prior art. The present invention offers an improvement over prior art in that it's filtering membrane 50, offers far fewer under and over knitted or woven or meshed joints for debris to become lodged within. The present invention also offers improvement over prior art in the existence of a strong water channeling action taking place beneath filtering membrane 50 throughout the structure of filter skeleton 43. The water adhesive effects, strong siphoning action, and ultimate breaking of the water adhesion and resulting continued downward flow of water into an underlying rain gutter accomplished by the filter configuration illustrated in
Recessed filters beneath a perforated plane such as employed in U.S. Pat. No. 5,595,027 to Vail receive far less water than the present invention due to water adhesion principals that direct water around, rather than through simple perforations. Filtration cloths or membranes resting on top of or sandwiched between screens, perforated planes, or denser filter mediums such as is illustrated in prior art U.S. Pat. No. 4,841,686 to Rees, U.S. Pat. No. 5,595,027 to Vail, U.S. Pat. No. 6,134,843 to Tregear and similar devices are also known to allow water channeling to the front lip of a rain gutter due to the unbroken inter-connected supporting or securing structures beneath or surrounding the filtering membrane and also due to the linear, rather than downward, channeling of water such filtering membranes themselves are known to exhibit in the field.
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Sep 30 2020 | Leaf Home Safety Solutions, LLC | CERBERUS BUSINESS FINANCE AGENCY, LLC, AS COLLATERAL AGENT | ASSIGNMENT FOR SECURITY -- PATENTS | 053955 | /0193 | |
Feb 18 2022 | LEAF HOME ENHANCEMENTS, LLC | JPMORGAN CHASE BANK, N A | SECURITY AGREEMENT | 059232 | /0366 | |
Feb 18 2022 | LEAF HOME WATER SOLUTIONS, LLC | JPMORGAN CHASE BANK, N A | SECURITY AGREEMENT | 059232 | /0366 | |
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Feb 18 2022 | CERBERUS BUSINESS FINANCE AGENCY, LLC | LeafFilter North, LLC | RELEASE OF SECURITY INTEREST IN PATENTS | 059155 | /0978 | |
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