Modular vent for metallic roofing

Abstract

A vent assembly is adapted to be installed over an aperture in a roof to enable ventilation. The vent assembly has a roofing panel attachable to a roof and a vent cap with attaches over the roofing panel and prevents precipitation from entering the assembly. The roofing panel has a flat panel section, an aperture perforating the panel section, a fence bounding the aperture, and a runoff cricket formed by one corner of the triangularly-shaped fence. The vent cap has a chamfered triangular shape matching that of the fence. The vent cap includes a runoff cover and interior air passages to enable air to pass from an attic space through the roofing panel and out through the vent cap. The distinctive shape of the vent assembly provides advantages in easily installing the assembly to a variety of roofs, both metallic and non-metallic.

Claims

1. A vent assembly comprising: a roofing panel having a panel section adapted to integrate with a metal roof, an aperture perforating the panel section, a fence bounding the aperture, and a vent cap having an underside opening, a cover above the underside-opening having a closed top and wider dimensions than the underside-opening, enabling water to run off the vent cap without entering the underside-opening, wherein the cover is configured to attach about the fence of the roofing panel, and at least one airgap in an underside of the vent cap enabling air for freely passing from the aperture of the roofing panel through the underside-opening and out the at least one airgap; wherein each of the closed top of the cover of the vent cap, the panel section of the roofing panel, and the fence of the roofing panel are hexagonal in shape having three sides of a first length and three sides of a second length interspersing the three side of the first length; wherein the first length is greater than the second length; and wherein at least one of the three sides of the second length forms a cricket able to divert water runoff alongside the fence.

2. The vent assembly of claim 1, wherein the roofing panel further comprises at least one female-fastener and wherein the vent cap further comprises at least one male-fastener able to attach to the female-fastener and retain the vent cap to the roofing panel.

3. The vent assembly of claim 2, wherein the at least one male-fastener comprises two elastic clips.

4. The vent assembly of claim 3, wherein the at least one female-fastener comprises two ears to which the two elastic clips are configured to attach.

5. The vent assembly of claim 4, wherein the at least one female-fastener further comprises a stop against which the at least one male-fastener impinges, preventing overtravel of the vent cap down over the fence.

6. The vent assembly of claim 5, wherein each of the two ears and the stop are rectangular projections extending inwardly on an inner surface of the fence, and are triangularly arranged with respect to each other, with each of the two ears being disposed an upper right and left corners respectively, and the stop being positioned centrally between but downwardly from the two ears.

7. The vent assembly of claim 1, wherein the vent cap and the roofing panel each comprise sheet metal.

8. The vent assembly of claim 1, wherein the vent cap and the roofing panel each comprise plastic.

9. The vent assembly of claim 1, wherein the second length is over twenty-percent of the first length.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) The figures which accompany the written portion of this specification illustrate embodiments and methods of use for the present disclosure, a modular vent for roofing, constructed and operative according to the teachings of the present disclosure.

(2) FIG. 1 is a perspective view of the vent assembly during an ‘in-use’ condition, according to an embodiment of the disclosure.

(3) FIG. 2 is a top perspective view of the vent assembly of FIG. 1, according to an embodiment of the present disclosure.

(4) FIG. 3 is a side profile view of the vent assembly of FIG. 1, according to an embodiment of the present disclosure.

(5) FIG. 4 is a top perspective view of the vent assembly of FIG. 1 installed on a metal roof, according to an embodiment of the present disclosure.

(6) FIGS. 5A and 5B are perspective views of the vent assembly of FIG. 1 in a disassembled condition, according to an embodiment of the present disclosure.

(7) The various embodiments of the present invention will hereinafter be described in conjunction with the appended drawings, wherein like designations denote like elements.

DETAILED DESCRIPTION

(8) As discussed above, embodiments of the present disclosure relate to roofing ventilation and more particularly to a modular vent for roofing as used to improve the ease and cleanliness of installing of roofing vents to a variety of roof structures.

(9) Generally, the disclosed system provides users with a modified vent used to provide ventilation to an attic space. The vent may include a triangular vent with a removable impact-resistant equilateral lid that can be painted to match any roofing product. Further, the vent may feature a built-in cricket section that allows for water runoff, preventing standing water from forming and causing damages. An element of the vent may also incorporate a structure similar to the ribs of metal roofing in order to increase the vent area, allowing users to effectively install a square static vent on a metal roof. This feature may allow users to mount the vent in numerous positions and with many different roofing materials.

(10) The roofing vent assembly is a modified, triangular-shaped vent used to provide ventilation to an attic space in residential or commercial buildings. The triangular section may be equilateral in geometry and includes a removable impact-resistant lid. The lid can be painted to match any color roofing product. The corners of the triangular vent and lid may be chamfered. A built-in cricket allows for water runoff. The ribs of metal roofing panels are used to increase venting area. The vent solves the problem of not being able to install a square static vent on a metal roof. An additional screen keeps bugs, birds, and other rodents from entering the attic. Exact specifications of Static Vent may vary upon further development and manufacturing.

(11) For the purpose of this specification, “downwardly” or “lower” indicates towards the side of the assembly which contacts the roof, and “upwardly” or “upper” indicates the opposite direction. “Outward” is radially outward from the center of the assembly, and “inward” indicates the opposite. “Cricket” is a term well known in the art used to indicate a projection, ridge, or pyramidal structure used to divert or direct water runoff. While geometry has varied in the art, the term is understood to fulfill this purpose.

(12) Referring now more specifically to the drawings by numerals of reference, there is shown in FIGS. 1-4, various views of a vent assembly 100.

(13) FIG. 1 shows a vent assembly during an ‘in-use’ condition, according to an embodiment of the present disclosure. Here, the vent assembly may be beneficial for use by a user to vent an interior of a structure to the atmosphere through the roof. As illustrated, the vent assembly 100 may be incorporated within a roof 10 on structure 20 for the purpose of venting the interior of structure 20 to the atmosphere. Roof 10 may be a metal roof, an asphalt-shingled roof, or other type of roof. Preferably, vent assembly 100 is constructed largely of sheet metal. While vent assembly 10 may be applicable to any type of roofing construction, it may be most advantageous in use with metal roofs.

(14) FIG. 2 shows the vent assembly of FIG. 1, according to an embodiment of the present disclosure. As shown, vent assembly may include roofing panel 110 and vent cap 120. Roofing panel 110 may itself include panel section 110, aperture 112 (FIG. 5A), fence 116, and cricket 118. Panel section 112 may be a flat apron which, when installed, lies flat with roof 10 (FIG. 1). Roofing shingles and/or panels may be laid beneath and above panel section 112 to complete a water shedding roofing system. In some embodiments, panel section 112 may have a triangular shape with chamfered edges forming a six-sided perimeter as now illustrated. Each side 142 may meet each adjacent side at a chamfer 144. The three sides 142 may be equilateral, meeting each other at sixty-degree angles. Preferably, each chamfer 144 is at least twenty percent in length of each side 142. These components 142 and 144 may apply to the like triangular shape of each of panel section 112, fence 116, and vent cap 120. In the present figure, they are labeled with respect to vent cap 120. However, simplified embodiments may have a rectangular perimeter or a variety of other shapes.

(15) Aperture 114 (FIG. 5A) perforates panel section 112 and when installed should be positioned over a corresponding opening in roof 10, as this enables the passage of air from an attic space underneath. Fence 116 may bound and circumscribe aperture 114 (FIG. 5A). Preferably, fence 116 is normal to panel section 112 at all points around aperture 114. This is preferred because it provides an air passage of consistent breadth and because it provides an external structure which vent cap 120 can slide down upon. However, other angles may be used so long as fence 116 is raised above panel section 112, which is necessary to raise vent cap 120 from roofing panel 110. Cricket 118 may be formed by one corner of fence 116. Cricket 118 fulfills a primary purpose in providing a watershed for runoff to be diverted to either the left or right of fence 116 when running down the roof, so that the runoff does not pool against fence 116 on an upper side. Fence 116 may take various perimeter shapes, but mostly preferably, fence 116 is concentric to and copies the shape of panel section 112. Any corner of fence 116 may form the cricket depending merely on how roofing panel 110 is oriented. For example, in the illustrated embodiment both panel section 112 and fence 116 are shaped as triangles with large chamfered corners. Yet further, vent cap 120 may be shaped similarly to panel section 112 in like manner.

(16) FIG. 3 is a side profile view of the vent assembly of FIG. 1, according to an embodiment of the present disclosure. As illustrated, vent cap 120 (FIG. 2) may include a top cover 124. Top cover 124 may be wider all the way around than fence 116 in order to prevent precipitation or other runoff to enter the interior of vent assembly 100 when running off of top cover 124. In some embodiments, vent cover 120 (FIG. 2) may have a neck extending down below cover 124 to mate over fence 116. However, in other, slimmer embodiments, top cover 124 may simply have a narrower recess within top cover 124. In any version, fence 116 is narrower than top cover 124, and is dimensioned such that is may be mated to vent cap 120 (FIG. 2) in order for form an air passage from the inside of structure 20 through roof 10 and through vent cap 120 (FIG. 2) into the surrounding environment. Also shown is roof panel 110 laid flat with and indexed to roof 10.

(17) FIG. 4 is a top perspective view of the vent assembly of FIG. 1, according to an embodiment of the present disclosure. Vent assembly 110 is shown installed on roof 10. Also clearly illustrated is perimeter 130 of vent cap 120, which in the illustrated embodiment is substantially triangular with large chamfers on each corner. Roofing panel 110 may further comprise one or more bends 140 in the sheet metal of panel section 112, and therefore has a concave channel on the underside, and a convex ridge on the upperside. Please note that the use of “concave” and “convex” does not necessarily indicate a curvature for the purposes of this specification. In fact, in a preferred embodiment, each bend 140 is a formation having a ninety-degree edge in the center and forty-five-degree edges on either side where bend 140 meets panel section 112. These exact angles are not necessary, but the orthogonal edge in the center is most desired because it allows the underside of bend 140 to index with corresponding ridges in metal roofs. When installed with bend 140 nested over a ridge in a metal roofing panel, this provides a clean and seamless look, helps ensure the vent assembly 110 is installed flush and uncanted with respect to roof 10, and makes sealing vent assembly 110 to roof 10 very simple. In one exemplary embodiment, a bend 140 is centered on panel section 112, being aligned with cricket 118, and being bisected by aperture 114 (FIG. 5A). However, in some cases multiples of bend 140 may be disposed along panel section 112, especially if panel section 112 is large enough to necessitate multiples of bends 140 to properly index with commercially available metal roofing panels.

(18) FIGS. 5A and 5B are perspective views of the vent assembly of FIG. 1 being divided into roofing panel 110 and vent cap 120, according to an embodiment of the present disclosure. Underside-opening 150 may be disposed underneath top cover 124 to enable air passage inside vent cap 120. Vent cap 120 may include aperture 114 as shown, enabling air to pass between an interior of structure 20 (FIG. 1) and the environment. Vent cap 120 may be fastenable to roofing panel 110 by a variety of means in differing embodiments. In the illustrated embodiment, clips are implements. In other embodiments, sheet metal screws may be used to fasten vent cap 120 to fence 116. Alternative solutions may be substituted.

(19) As shown, vent cap 120 may incorporate at least one airgap 126 to enable air passage between the inside of vent assembly 100 to the outer atmosphere. In some embodiments, this is a perforation in the sheet metal (or other material) of vent cap 120. However, in other embodiments, at least one perforation may be formed by one or more separations between vent cap 120 and fence 116.

(20) In some embodiments, roofing panel 110 may have at least on female-fastener 130 and wherein vent cap 120 further comprises at least one male-fastener 132 able to attach to at least one female-fastener 130 and retain vent cap 120 to roofing panel 110 as shown. Each one male-fastener 132 comprises two elastic clips 138. Each of the elastic clips 138 may include a catch, or shelf, or a tooth, or a barb which, when snap over a corresponding female fastener, act as retainers, as illustrated. Each female-fastener 130 comprises two ears 134 to which the two elastic clips 138 may attach. The elastic clips 138 may be released by finger pressure compressing the two elastic clips 138 together, such that the catch releases from the ear 134, and the two elastic clips 138 are able to pass through between the two ears 134. Each least one female-fastener 130 may also have a stop 136 against which each male-fastener 132 impinges, preventing overtravel of vent cap 120 down over fence 116. As the illustrated embodiment shows, the two ears 134 and the stop 136 may be arranged in a triangular fashion, which the two ears 134 being disposed at top left and right corners respectively of the female-fastener 130, and the stop 136 being positioned centrally in between but below the two ears 134. Female-fastener 130 is preferably disposed on an interior side of fence 116. Male-fastener 132 is preferably disposed interior to hollow channel 122.

(21) The embodiments of the invention described herein are exemplary and numerous modifications, variations and rearrangements can be readily envisioned to achieve substantially equivalent results, all of which are intended to be embraced within the spirit and scope of the invention. Further, the purpose of the foregoing abstract is to enable the U.S. Patent and Trademark Office and the public generally, and especially the scientist, engineers and practitioners in the art who are not familiar with patent or legal terms or phraseology, to determine quickly from a cursory inspection the nature and essence of the technical disclosure of the application.