Corner protector, corner protector assembly and sash assembly comprising corner protector assembly

Abstract

A corner protector, a corner protector assembly, and a sash assembly including the same are provided, the corner protector including a body having a recess formed in the body, the recess defining a first surface to receive and contact a sash surface of a sash in the recess, the recess defines a second surface angled relative to and intersecting the first surface to receive and contact a first edge surface of the sash, and the recess defines a third surface angled relative to and intersecting the first surface to receive and contact a second edge surface of the sash, and the body defines an aperture formed in the first surface and oriented at a convergence of the first surface, the second surface, and the third surface such that the second surface and the third surface do not intersect. The fixing piece fixes the corner protector on the sash.

Description

Technical Field

[0001] Various embodiments are directed to corner protectors for packaging shower door sashes. Background Art

[0002] Lemnios et al., U.S. Patent No. 11,254,489 B2, issued to Liberty Hardware Mfg. Corp. on February 22, 2022, for a shower door glass sash packaging assembly including corner protectors. Summary of the invention

[0003] According to an embodiment, a corner protector is provided, the corner protector having a body having a recess formed therein, the recess defining a first surface to receive and contact a sash surface of a pane in the recess, the recess defining a second surface angled relative to and intersecting the first surface to receive and contact a first edge surface of the sash, the recess defining a third surface angled relative to and intersecting the first surface to receive and contact the second edge surface of the sash, and the body defining an aperture formed in the first surface and oriented at a convergence of the first surface, the second surface, and the third surface such that the second surface and the third surface do not intersect.

[0004] According to another embodiment, the aperture is formed through the body.

[0005] According to yet another embodiment, the recess defines a fourth surface that is spaced apart from and opposed to the first surface to contact another sash surface of the sash. The second aperture is formed in the fourth surface and is oriented at a convergence of the second surface, the third surface, and the fourth surface such that the second surface and the third surface do not intersect.

[0006] According to another further embodiment, the body is formed from a polymer material.

[0007] According to another further embodiment, the body is formed from a polypropylene material.

[0008] According to another further embodiment, at least one structural rib is disposed on the body to enhance the structural integrity of the body.

[0009] According to another further embodiment, the body defines a first outer surface spaced apart from the first recess surface. The body defines a second outer surface spaced apart from the second recess surface. The body defines a third outer surface spaced apart from the third recess surface. The orifice is formed through the first outer surface.

[0010] According to yet another embodiment, the recess defines a fourth surface that is spaced apart from the first surface and opposed to contact another sash surface of the sash. The body defines a first outer surface that is spaced apart from the first recess surface. The body defines a second outer surface that is spaced apart from the second recess surface. The body defines a third outer surface that is spaced apart from the third recess surface. The body defines a fourth outer surface that is spaced apart from the fourth recess surface. An aperture is formed through the first outer surface. A second aperture is formed through the fourth outer surface.

[0011] According to another embodiment, a sash assembly is provided, the sash assembly having a corner protector having a body having a recess formed therein, the recess defining a first surface to receive and contact a sash surface of the sash in the recess, the recess defining a second surface angled relative to and intersects the first surface to receive and contact a first edge surface of the sash, the recess defining a third surface angled relative to and intersects the first surface to receive and contact a second edge surface of the sash, and the body defining an aperture formed in the first surface and oriented at a convergence of the first, second, and third surfaces such that the second and third surfaces do not intersect. A sash is received in the recess of the corner protector, the sash defining a first sash surface in contact with the first recess surface, the sash defining a first edge surface in contact with the second recess surface, and the sash defining a second edge surface in contact with the third recess surface, wherein the first sash surface, the first edge surface, and the second edge surface converge at a corner of the sash such that the aperture defines a gap disposed proximate the corner of the sash between the first sash surface and the first recess surface.

[0012] According to another embodiment, a retainer is attached to the corner protector and the sash to retain the corner protector to the sash.

[0013] According to another embodiment, a sash assembly is provided, the sash assembly having: a sash defining a first sash surface and a second sash surface spaced from the first sash surface, and a plurality of edge surfaces intersecting the first sash surface and the second sash surface, wherein each intersection of a pair of adjacent edge surfaces defines a corner of the sash. A plurality of corner protectors are provided, each corner protector having a body having a recess formed therein, the recess defining a first surface to receive and contact the sash surface of the sash in the recess, the recess defining a second surface angled relative to and intersecting the first surface to receive and contact the first edge surface of the sash, the recess defining a third surface angled relative to and intersecting the first surface to receive and contact the second edge surface of the sash, and the body defining an aperture formed in the first surface and oriented at a convergence of the first surface, the second surface, and the third surface such that the second surface and the third surface do not intersect. Each corner protector receives one of the corners of the sash.

[0014] According to another embodiment, the sash is configured as a glass shower door.

[0015] According to another embodiment, a packaged sash assembly is provided, the packaged sash assembly having a box and a sash assembly received in the box. A sash assembly is provided, the sash assembly having: a sash defining a first sash surface and a second sash surface spaced from the first sash surface, and a plurality of edge surfaces intersecting the first sash surface and the second sash surface, wherein each intersection of a pair of adjacent edge surfaces defines a corner of the sash. A plurality of corner protectors are provided, each corner protector having a body having a recess formed in the body, the recess defining a first surface to receive and contact the sash surface of the sash in the recess, the recess defining a second surface angled relative to the first surface and intersecting the first surface to receive and contact the first edge surface of the sash, the recess defining a third surface angled relative to the first surface and intersecting the first surface to receive and contact the second edge surface of the sash, and the body defining an aperture formed in the first surface and oriented at a convergence of the first surface, the second surface, and the third surface such that the second surface and the third surface do not intersect. Each corner protector receives one of the corners of the sash.

[0016] According to another embodiment, the recess defines a fourth surface that is spaced apart from the first surface and opposed to contact another sash surface of the sash. The aperture is formed in the fourth surface and is oriented at a convergence of the second surface, the third surface, and the fourth surface such that the second surface and the third surface do not intersect.

[0017] According to another embodiment, a sash assembly is provided, the sash assembly having a corner protector, the corner protector being provided with a body having a recess formed in the body, the recess defining a first surface to receive and contact a sash surface of a sash in the recess, the recess defining a second surface angled relative to and intersecting the first surface to receive and contact a first edge surface of the sash, the recess defining a third surface angled relative to and intersecting the first surface to receive and contact the second edge surface of the sash, and the body defining an aperture formed in the first surface and oriented at a convergence of the first surface, the second surface, and the third surface so that the second surface and the third surface do not intersect. The recess defines a fourth surface spaced apart from and opposed to the first surface to contact another sash surface of the sash. The aperture is formed in the fourth surface and oriented at a convergence of the second surface, the third surface, and the fourth surface so that the second surface and the third surface do not intersect. A sash is received in the recess of the corner protector, the sash defining a first sash surface in contact with the first recess surface, the sash defining a second sash surface in contact with the fourth recess surface, the sash defining a first edge surface in contact with the second recess surface, and the sash defining a second edge surface in contact with the third recess surface, wherein the first sash surface, the first edge surface, and the second edge surface converge at a corner of the sash such that the aperture defines a gap between the first pane surface and the first recess surface adjacent the corner of the pane, and the aperture defines a gap between the second pane surface and the fourth recess surface.

[0018] According to another embodiment, a corner protector assembly is provided having a corner protector sized to receive a corner of a pane. A retainer is attached to the corner protector to attach the corner protector to the pane.

[0019] According to another embodiment, the retainer is provided with an adhesive label.

[0020] According to another embodiment, a corner protector is provided, the corner protector having a first wall defining a first wall surface. The second wall is spaced apart from the first wall and defines a second wall surface spaced apart from the first wall surface and facing the first wall surface. A first web interconnects the first wall and the second wall. The second web interconnects the first wall and the second wall. The second web is oriented at an angle relative to the first web. An aperture is formed in the first wall at an intersection of the first wall and the first web and at an intersection of the first wall and the second web to provide a gap between the first wall and a pane received between the first wall and the second wall in engagement with the first web and the second web.

[0021] According to another embodiment, apertures are formed in the second wall, at the intersection of the second wall with the first web and at the intersection of the second wall with the second web to provide a gap between the second wall and the sash.

[0022] According to another embodiment, a sash assembly is provided having a corner protector having a first wall defining a first wall surface. A second wall is spaced apart from the first wall and defines a second wall surface spaced apart from and facing the first wall surface. A first web interconnects the first wall and the second wall and defines a first web surface. A second web interconnects the first wall and the second wall. The second web is oriented at an angle relative to the first web. An aperture is formed in the first wall, at the intersection of the first wall and the first web, and at the intersection of the first wall and the second web to provide a gap between the first wall and a sash received between the first wall and the second wall and engaged with the first web and the second web. The sash is received between the first wall and the second wall and engaged with the first web and the second web. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a front view of a sash assembly according to an embodiment, illustrating a corner protector assembled to the sash;

[0024] Figure 2 yes Figure 1 A side perspective view of a corner protector;

[0025] Figure 3 yes Figure 1 A front perspective view of a corner protector;

[0026] Figure 4 yes Figure 1 A side elevation view of a corner protector;

[0027] Figure 5 is a front perspective view of a sash assembly according to another embodiment, illustrating a corner protector assembly assembled to the sash;

[0028] Figure 6 yes Figure 5 A side perspective view of a sash assembly;

[0029] Figure 7 is a front elevation view of a sash assembly according to another embodiment, illustrating a corner protector assembled to the sash;

[0030] Figure 8 is a front elevation view of a sash assembly according to another embodiment, illustrating a corner protector assembled to the sash;

[0031] Fig. 9 is a front elevation view of a sash assembly according to another embodiment, illustrating a corner protector assembled to the sash;

[0032] Fig.10 is along Fig. 9 The section line 10-10 in Fig. 9 A partial cross-sectional view of a sash assembly;

[0033] Fig.11 yes Fig. 9 Front and bottom perspective views of a corner protector;

[0034] Fig.12 yes Fig. 9 Front, top and side perspective views of the corner protector;

[0035] Fig.13 yes Fig. 9 Front and top perspective views of a corner protector;

[0036] Fig.14 yes Fig. 9 Front, bottom and side perspective views of the corner protector;

[0037] Fig.15 is with Fig. 9 A bottom partial perspective view of a packaging assembly shown in FIG.

[0038] Fig.16 yes Fig.15 A front perspective view of a packaging assembly; and

[0039] Fig.17 yes Fig.15 Another bottom partial stereoscopic view of the packaging assembly. DETAILED DESCRIPTION

[0040] As required, detailed embodiments of the present invention are disclosed herein; however, it should be understood that the disclosed embodiments are merely examples of the present invention, and they may be implemented in different and alternative forms. The drawings are not necessarily drawn to scale; some features may be exaggerated or minimized to show details of particular components. Therefore, the specific structural and functional details disclosed herein should not be interpreted as limiting, but merely as a representative basis for teaching those skilled in the art to adopt the present invention in different ways.

[0041] It will be understood that, although the terms "first", "second", etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element, and are presented in the order of introduction of a specific embodiment, and may be changed in the introduction of various embodiments. For example, without departing from the scope of the various embodiments described, the first surface may be referred to as the second surface, and similarly, the second surface may be referred to as the first surface. The first surface and the second surface are both surfaces, but they are not the same surface in the context of a specific embodiment.

[0042] A shower door assembly is used with a shower enclosure and is designed to contain water within the enclosure and prevent it from spilling onto the bathroom floor. Shower doors are typically made of glass, although some shower doors may employ acrylic, plastic, or any suitable sash. Glass doors may be clear, frosted, or patterned to provide varying degrees of privacy and style.

[0043] Shower door assemblies are available in a variety of options and styles. For example, a sliding shower door assembly consists of two or more panels that slide along a track. Sliding shower door assemblies are compact and space-saving because they do not require additional space to swing open. Hinged or swing shower door assemblies open outward on hinges. Swing shower door assemblies require ample space to swing open, but can provide a traditional look and ease of ingress and egress. Bi-fold shower door assemblies fold over on themselves and are optimal for very tight spaces. Frameless shower door assemblies are made of tempered glass with a minimal metal frame to provide a sleek, modern look that is easier to clean. Framed shower door assemblies include a metal frame around the glass, providing additional support and sometimes additional features (like built-in hardware).

[0044] Shower door assemblies provide additional features and hardware. The handle is mounted through the door's sash. In a framed design, the handle may be mounted to the frame along the edge of the door. The handles come in a variety of styles and finishes, from smooth chrome to brushed nickel. Rubber or silicone seals may be provided along the edges of the shower door to help prevent leaks and maintain water containment. For sliding doors, the track subassembly may include a top track and sometimes a bottom track to guide the movement of the door. Some doors have built-in towel bars or hooks for added convenience, which may also serve as handles.

[0045] Shower door designs can range from minimalist to ornate, depending on the overall décor of the bathroom. Clear glass doors can make a space feel larger and more open, while frosted or patterned glass can provide added privacy. Selected shower door components combine functionality with aesthetics, helping to define the look and usability of a shower enclosure.

[0046] Shower door assemblies are typically manufactured at one or more facilities and then shipped to retail locations for retail sale. Alternatively, shower door assemblies may be shipped directly to end customers. Shower door assemblies are packaged for shipping to retail and end users. Shower door assemblies may be packaged with shower door sashes that are packaged separately from other components. Alternatively, shower door assemblies may be packaged with other features and hardware, such as handles, seals, track subassemblies, towel bars, and the like.

[0047] refer to Figure 1, the corners of a shower door pane 20 are shown partially wrapped with a corner protector 22. The shower door pane 20 has a first pane surface 24 and a second pane surface 26, the second pane surface being spaced apart from the first pane surface 24 by a thickness dimension. The first pane surface 24 and the second pane surface 26 are generally parallel within typical manufacturing tolerances. The shower door pane 20 may be implemented in a typical shower door pane shape, such as a rectangular shape, whereby each of the pane surfaces 24, 26 is generally rectangular. The shower door pane 20 also includes a plurality of edge surfaces 28, 30, 32, 34 formed around the perimeter of the pane 20. Figure 1 Two of the edge surfaces 28, 30 are illustrated, which may be described as a first edge surface 28 and a second edge surface 30, or as a left edge surface 28 and a bottom edge surface 30. Each of the edge surfaces 28, 30, 32, 34 may be generally planar within manufacturing tolerances, and may converge at edges that are rounded, chamfered, or otherwise shaped to reduce stress along the edges.

[0048] like Figure 1 As shown, the first sash surface 24, the first edge surface 28, and the second edge surface 30 converge at a corner 36. The corner 36 is rounded with a fillet for stress relief. The corner 36 may also provide a corner edge that extends to the convergence or intersection with the second sash surface 26. Each intersection of the sash surfaces 24, 26 and a pair of edge surfaces 28, 30, 32, 34 forms a corner 36. The corners 36 of the sash 20 are generally the most fragile portions of the sash 20.

[0049] The shower door sash 20 is typically made of glass, which is particularly susceptible to damage at the corners 36 of the sash 20. Although a glass shower door sash 20 is described, other suitable materials are also contemplated, such as transparent materials such as acrylic or polymeric materials.

[0050] Corner protectors have been used in the prior art to protect the corner 36 from direct edge contact or impact and to distribute loads along the surfaces 24, 26, 28, 30, 32, 34 of the sash 20 and away from the corner 36. The corner protector 22 suspends the corner 36 within the corner protector 22 to further isolate the corner 36 from contact and to distribute loads away from the corner 36 and away from the sash surfaces 24, 26 and edge surfaces 28, 30, 32, 34 of the sash 20.

[0051] Corner protector 22 Figures 1 to 4. The corner protector 22 has a body 38 that can be formed of a polymeric material such as polypropylene or any suitable structural material. Polypropylene is useful in balancing strength, flexibility, and chemical resistance, making it a common material in both industrial and consumer products. Polypropylene provides elasticity and reduced hardness to absorb loads while resisting breakage or failure. Other suitable materials may include polycarbonate compounds, which are highly functional engineering plastics with physical properties enhanced by filler reinforcement and alloying with styrene resins such as acrylonitrilebutadiene styrene. The corner protector 22 can be molded, extruded, machined, or manufactured by an additive manufacturing process or other suitable manufacturing process.

[0052] The corner protector 22 includes a recess 40 or slot formed in the body 38. The recess 40 is sized to receive the corner 36 of the sash 20. The recess 40 divides the body 38 into a pair of spaced walls 42, 44 interconnected by a pair of webs 46, 48. The recess 40 provides access to a pair of wall surfaces 50, 52 disposed within the recess 40 on one of the walls 42, 44. The wall surfaces 50, 52 are spaced apart and sized to receive and contact the sash surfaces 24, 26 of the sash 20 therebetween, respectively. The wall surfaces 50, 52 may each be substantially flat within manufacturing tolerances and substantially parallel within manufacturing tolerances.

[0053] The recess 40 is formed with a blind depth so that the webs 46, 48 are angled relative to each other and interconnected with the walls 42, 44. For example, the webs 46, 48 are generally perpendicular to each other within manufacturing tolerances. The webs 46, 48 each provide a web surface 54, 56 within the recess 40. The web surfaces 54, 56 may also be generally perpendicular to each other within manufacturing tolerances. The wall surfaces 50, 52 each intersect with the first web surface 54 and the second web surface 56. The wall surfaces 50, 52 are each generally perpendicular to each of the first web surface 54 and the second web surface 56 within manufacturing tolerances. The web surfaces 54, 56 are sized to receive two adjacent edge surfaces 28, 30 of the sash 20. Four corner protectors 22 may be assembled to the four corners 36 of the rectangular sash 20 as a sash assembly 58.

[0054] In the body 38, an aperture 60 is formed at the convergence of the first wall surface 50, the first web surface 54, and the second web surface 56, thereby preventing the three surfaces 50, 54, 56 from intersecting at the corner. The aperture 60 is formed through the body 38, and therefore also extends through the second wall surface 52 at the convergence of the first web surface 54 and the second web surface 56. The aperture 60 thereby prevents the second wall surface 52, the first web surface 54, and the second web surface 56 from intersecting at the corner. The aperture 60 is partially divided by the recess 40, thereby defining two separate apertures 60 through the walls 42, 44. Although the aperture 60 is illustrated as being formed through two walls 42, 44, the aperture 60 may be formed through one wall (such as the wall 42).

[0055] The aperture 60 defines a cavity 62 within the body 38 that provides a gap between the wall surfaces 50, 52 of the body 38 and the sash surfaces 24, 26 of the sash 20 near the corner 36 of the sash 20. The gap may be a suitable size to suspend the corner 36 within the body 38, such as 3.5 millimeters. The aperture 60 is formed through the walls 42, 44 at the intersection of the wall surfaces 50, 52 and the web surfaces 54, 56. Thus, the cavity 62 also provides a gap between the first web surface 54 and the first edge surface 28 of the sash 20. The gap between the first web surface 54 and the first edge surface 28 of the sash 20 may be a suitable size to suspend the corner 36 within the body 38, such as 3.5 millimeters. The cavity 62 also provides a gap between the second web surface 56 and the second edge surface 30 of the sash 20. The gap between the second web surface 56 and the second edge surface 30 of the sash 20 may be a suitable size, such as 3.5 mm, to suspend the corner 36 within the body 38. Generally, the corner 36 is suspended from the body 38 along the four surfaces 24, 26, 28, 30 of the sash 20.

[0056] By suspending the corner 36, the load applied to the corner protector 22 is distributed along the sash surfaces 24, 26 and the edge surfaces 28, 30 to the sash 20, away from the corner 36, to avoid impact or stress directly on the corner 36 or along the edge formed by the corner 36. Thus, the load is distributed to the surfaces 24, 26, 28, 30 of the sash 20 that are less fragile than the corner 36.

[0057] The corner protector 22 optimizes structural integrity to support and protect the corners 36 of the sash 20. The walls 42, 44 have outer surfaces 64, 66 to protect the areas of the sash surfaces 24, 26 beyond the corners 36. Likewise, the webs 46, 48 also have outer surfaces 68, 70 to protect the areas of the edge surfaces 28, 30 beyond the corners 36. Structural ribs 72 are provided on the outer wall surfaces 64, 66 to add structural reinforcement and additional rigidity to the walls 42, 44.

[0058] The aperture 60 is formed through the outer wall surfaces 64, 66 to provide a window 60 for viewing the corner 36. According to an embodiment, when the aperture 60 is formed through only one wall surface 64, the aperture 60 provides a window 60 for viewing the corner 36 through one side 64 of the corner protector 22. During the unpacking process of the sash 20, the end user can use the window 60 to visually inspect the corner 36 to determine whether the sash 20 has completed shipping without damage. If so, the end user can proceed with unpacking and installation of the sash 20. If the corner 36 of the sash 20 is damaged, the end user can repack the sash 20 without removing the corner protector 22. According to another embodiment, the aperture 60 is formed as a blind depth without a window to provide additional protection from inadvertent contact with the corner 36.

[0059] The corner protectors 22 are designed to optimize protection of the sash 20 while being compact enough to minimize packaging for shipping. Likewise, the corner protectors 22 are compact enough to protect the corners 36 during installation of the sash 20. The corner protectors 22 may be removed after installation of the sash 20 is complete.

[0060] See now Figure 5 and Figure 6 , a retainer 74 is employed to retain the corner protector 22 on the corner 36 of the sash 20. The retainer 74 is illustrated as an adhesive label 74 that is adhered to the corner protector 22 and the sash 20 to retain the corner protector 22 in the installed position. Once installation is complete, the end user can peel the label 74 off the sash 20 and then remove the corner protector 22 and label 74. The corner protector 22 and label 74 together provide a corner protector assembly 76 according to an embodiment. The label 74 may include informational indicia with instructions for removing the label 74 after the sash 20 is installed.

[0061] Corner protectors 22 allow manufacturers to ship shower door assembly sashes 20 to retailers or directly to end users through parcel delivery distribution chains. Corner protectors 22 can be embodied in a variety of shapes, thicknesses, materials, etc., as appropriate for a particular application.

[0062] The corner protector 22 is provided with generally square walls 42, 44. However, other shapes may be used. The corner protector 22 may be provided with a recess 40 of varying width to accommodate sashes 20 of varying thickness or varying materials. The corner protector 22 suspends the corner 36 of the sash 20 so that the corner 36 does not contact the corner protector 22, other objects or surfaces, or other packaging. The thickness of the walls 42, 44 and webs 46, 48 may vary depending on the size, weight, fragility, designed shipping or designed use of the particular sash 20. The corner protector 22 provides a streamlined appearance without the need for additional bumpers associated with prior art corner protectors. The corner protector 22 may be embossed with a company logo, text, etc.

[0063] The corner protector 22 creates a specifically shaped cavity 62 inside the body 38 of the corner protector 22. This internal geometry is designed to work with the desired material type and thickness so that when the corner protector 22 is placed on the sash 20, the corner protector will stop at a specific point to create a certain amount of spacing between the corner 36 of the product 20 and the end of the corner protector 22. The corner protector 22 can be used with mirrors, glass sashes, wood, metal, or any suitable material, and in any suitable thickness.

[0064] The cavity 62 of the corner protector 22 may or may not have a window 60 to see the corner 36 of the product to observe the status of the product 20 and whether the corner protector 22 is installed correctly. The thickness and material of the corner protector 22 can vary depending on the fragility of the product and the use, where the embossed design standard is used for additional strength and / or branding. The area around the cavity 62 is solid to "frame" the cavity 62 and help protect the product 20 and the corner protector 22. This "framing" can be removed at the inward corners of the corner protector 22 to further expose the product 20, but still protect by transferring stress to the edge surfaces 28, 30, 32, 34. The corner protector 22 can be implemented in a range of shapes depending on cost, level of protection, adhesion to branding, etc. Adhesives (tape, labels 74, etc.) can be used to keep the corner protector 22 attached to the product 20 for installation (if necessary).

[0065] Figure 7 A corner protector 90 according to another embodiment is illustrated. The corner protector 90 has a body 92, which can be formed of a polymeric material such as polypropylene, a polycarbonate compound, or any suitable structural material. The corner protector 90 can be molded, extruded, machined, manufactured by an additive manufacturing process or other suitable manufacturing process.

[0066] The corner protector 90 includes a recess 94 or slot formed in the body 92. The recess 94 is sized to receive the corner 36 of the sash 20. The recess 94 divides the body 92 into a pair of spaced walls 96 interconnected by a pair of webs 98, 100. The recess 94 provides access to a pair of wall surfaces 102 disposed within the recess 94, each on one of the walls 96. The wall surfaces 102 are spaced and sized to receive and contact the sash surfaces 24, 26 of the sash 20 therebetween, respectively. The wall surfaces 102 can each be substantially flat within manufacturing tolerances and substantially parallel within manufacturing tolerances.

[0067] The recess 94 is formed to a certain depth so that the webs 98, 100 are angled relative to each other and interconnected with the wall 96. For example, the webs 98, 100 are generally perpendicular to each other within manufacturing tolerances. The webs 98, 100 each provide a web surface 104, 106 within the recess 94. The web surfaces 104, 106 can also be generally perpendicular to each other within manufacturing tolerances. The wall surface 102 each intersects the first web surface 104 and the second web surface 106. Within manufacturing tolerances, the wall surface 102 is each generally perpendicular to each of the first web surface 104 and the second web surface 106. The web surfaces 104, 106 are sized to receive two adjacent edge surfaces 28, 30 of the sash 20. Four corner protectors 90 can be assembled to the four corners 36 of the rectangular sash 20 as a sash assembly 108.

[0068] In the body 92, an aperture 110 is formed at the convergence of the first wall surface 102, the first web surface 104, and the second web surface 106, thereby preventing the three surfaces 102, 104, 106 from intersecting at the corner. The aperture 110 is formed through the body 92, and therefore also extends through the second wall surface 102 at the convergence with the first web surface 104 and the second web surface 106. The aperture 110 thereby prevents the second wall surface 102, the first web surface 104, and the second web surface 106 from intersecting at the corner. The aperture 110 is partially divided by the recess 94, thereby defining two separate apertures 110 through the wall 96. Although the aperture 110 is illustrated as being formed through two walls 96, the aperture 110 may be formed through one wall 96.

[0069] The aperture 110 defines a cavity 112 within the body 92 that provides a gap between the wall surface 102 of the body 92 and the sash surfaces 24, 26 of the sash 20 near the corner 36 of the sash 20. The gap may be a suitable size to suspend the corner 36 within the body 92. The aperture 110 is formed through the wall 96 at the intersection of the wall surface 102 and the web surfaces 104, 106. Thus, the cavity 112 also provides a gap between the first web surface 104 and the first edge surface 28 of the sash 20. The gap between the first web surface 104 and the first edge surface 28 of the sash 20 may be a suitable size to suspend the corner 36 within the body 92. The cavity 112 also provides a gap between the second web surface 106 and the second edge surface 30 of the sash 20. The gap between the second web surface 106 and the second edge surface 30 of the sash 20 may be a suitable size to suspend the corner 36 within the body 92. Generally, the corner portions 36 depend from the body 92 along the four surfaces 24 , 26 , 28 , 30 of the sash 20 .

[0070] By suspending the corner 36, the load applied to the corner protector 90 is distributed along the sash surfaces 24, 26 and the edge surfaces 28, 30 to the sash 20, away from the corner 36, to avoid impacts or stresses directly on the corner 36 or along the edge formed by the corner 36. Thus, the load is distributed to the surfaces 24, 26, 28, 30 of the sash 20 that are less fragile than the corner 36.

[0071] The corner protector 90 optimizes structural integrity to support and protect the corners 36 of the sash 20. The wall 96 has an outer surface 114 to protect the sash surfaces 24, 26 beyond the corners 36. Likewise, the webs 98, 100 also have outer surfaces 116, 118 to protect the edge surfaces 28, 30 beyond the corners 36. Structural ribs 120 are provided on the outer wall surface 114 to add structural reinforcement and additional rigidity to the wall 96.

[0072] An aperture 110 is formed through the outer wall surface 96 to provide a window 110 for viewing the corner 36. According to an embodiment, when the aperture 110 is formed through only one wall surface 96, the aperture 110 provides a window 110 for viewing the corner 36 through one side 96 of the corner protector 90. During the unpacking process of the sash 20, the end user can use the window 110 to visually inspect the corner 36 to determine whether the sash 20 has completed shipping without damage. If so, the end user can proceed with unpacking and installation of the sash 20. If the corner 36 of the sash 20 is damaged, the end user can repack the sash 20 without removing the corner protector 90.

[0073] The corner protectors 90 are designed to optimize protection of the sash 20 while being compact enough to minimize packaging for shipping. Likewise, the corner protectors 90 are compact enough to protect the corners 36 during installation of the sash 20. The corner protectors 90 may be removed after installation of the sash 20 is complete.

[0074] Corner protectors 90 allow manufacturers to ship shower door assembly sashes 20 to retailers or directly to end users via a parcel delivery distribution chain. Corner protectors 90 may be provided in a variety of shapes, thicknesses, materials, etc., as appropriate for a particular application.

[0075] The corner protector 90 is provided with a generally square wall 96. The corner protector 90 creates a specifically shaped cavity 112 inside the body 92 of the corner protector 90. This internal geometry is designed to work with the desired material type and thickness so that when the corner protector 90 is placed on the sash 20, the corner protector will stop at a specific point to create a certain amount of spacing between the corner 36 of the product 20 and the end of the corner protector 90. The corner protector 90 may be used with glass sashes, wood, metal, or any suitable material, and in any suitable thickness.

[0076] The cavity 112 of the corner protector 90 may or may not have a window 110 to see the corner 36 of the product to observe the condition of the product 20 and whether the corner protector 90 is properly installed. The thickness and material of the corner protector 90 can vary depending on the fragility of the product and the use, with embossed design criteria for additional strength and / or branding. An aperture 122 is formed through the webs 98, 100 into the cavity 112 to further suspend the corner 36 of the sash 20 within the corner protector 90. The aperture 122 further exposes the product 20, but still protects the sash 20 by transferring stress to the edge surfaces 28, 30, 32, 34, which are stronger than the corner 36. The corner protector 90 can be implemented in a range of shapes depending on cost, level of protection, adherence to branding, etc.

[0077] Figure 8 A corner protector 130 according to another embodiment is shown. The corner protector 130 has a body 132, which can be formed of a polymeric material (such as polypropylene, polycarbonate compounds), or any suitable structural material. The corner protector 130 can be molded, extruded, machined, or manufactured by an additive manufacturing process or other suitable manufacturing process.

[0078] The corner protector 130 includes a recess 134 formed in a body 132. The recess 134 is sized to receive the corner 36 of the sash 20. The recess 134 divides the body 132 into a pair of spaced walls 136 interconnected by a pair of webs 138, 140. The recess 134 provides access to a pair of wall surfaces 142 disposed within the recess 134, each on one of the walls 136. The wall surfaces 142 are spaced and sized to receive and contact the sash surfaces 24, 26 of the sash 20 therebetween, respectively. The wall surfaces 142 can each be substantially flat within manufacturing tolerances and substantially parallel within manufacturing tolerances.

[0079] The recess 134 is formed to a certain depth so that the webs 138, 140 are angled relative to each other and interconnected with the wall 136. For example, the webs 138, 140 are generally perpendicular to each other within manufacturing tolerances. The webs 138, 140 each provide a web surface 144, 146 within the recess 134. The web surfaces 144, 146 can also be generally perpendicular to each other within manufacturing tolerances. The wall surface 142 each intersects the first web surface 144 and the second web surface 146. Within manufacturing tolerances, the wall surface 142 is each generally perpendicular to each of the first web surface 144 and the second web surface 146. The web surfaces 144, 146 are sized to receive two adjacent edge surfaces 28, 30 of the sash 20. Four corner protectors 130 can be assembled to the four corners 36 of the rectangular sash 20 as a sash assembly 148.

[0080] In the body 132, an aperture 150 is formed at the convergence of the first wall surface 142, the first web surface 144, and the second web surface 146, thereby preventing the three surfaces 142, 144, 146 from intersecting at the corner. The aperture 150 is formed through the body 132, and therefore also extends through the second wall surface 142 at the convergence with the first web surface 144 and the second web surface 146. The aperture 150 thereby prevents the second wall surface 142, the first web surface 144, and the second web surface 146 from intersecting at the corner. The aperture 150 is partially divided by the recess 134, thereby defining two separate apertures 150 through the wall 136. Although the aperture 150 is illustrated as being formed through two walls 136, the aperture 150 may be formed through one wall 136.

[0081] The aperture 150 defines a cavity 152 within the body 132 that provides a gap between the wall surface 142 of the body 132 and the sash surfaces 24, 26 of the sash 20 near the corner 36 of the sash 20. The gap may be a suitable size to suspend the corner 36 within the body 132. The aperture 150 is formed through the wall 136 at the intersection of the wall surface 142 and the web surfaces 144, 146. Thus, the cavity 152 also provides a gap between the first web surface 144 and the first edge surface 28 of the sash 20. The gap between the first web surface 144 and the first edge surface 28 of the sash 20 may be a suitable size to suspend the corner 36 within the body 132. The cavity 152 also provides a gap between the second web surface 146 and the second edge surface 30 of the sash 20. The gap between the second web surface 146 and the second edge surface 30 of the sash 20 may be a suitable size to suspend the corner 36 within the body 132. Generally, the corner portions 36 depend from the body 132 along the four surfaces 24 , 26 , 28 , 30 of the sash 20 .

[0082] By suspending the corner 36, the load applied to the corner protector 130 is distributed along the sash surfaces 24, 26 and the edge surfaces 28, 30 to the sash 20, away from the corner 36, to avoid impacts or stresses directly on the corner 36 or along the edge formed by the corner 36. Thus, the load is distributed to the surfaces 24, 26, 28, 30 of the sash 20 that are less fragile than the corner 36.

[0083] The corner protector 130 optimizes structural integrity to support and protect the corners 36 of the sash 20. The wall 136 has an outer surface 154 to protect the sash surfaces 24, 26 beyond the corner 36. Likewise, the webs 138, 140 also have outer surfaces 156, 158 to protect the edge surfaces 28, 30 beyond the corner 36. Structural ribs 160 are provided on the outer wall surface 154 to add structural reinforcement and additional rigidity to the wall 136.

[0084] An aperture 150 is formed through the outer wall surface 142 to provide a window 150 for viewing the corner 36. According to an embodiment, when the aperture 150 is formed through only one wall surface 142, the aperture 150 provides a window 150 for viewing the corner 36 through one side 142 of the corner protector 130. During the unpacking process of the sash 20, the end user can use the window 150 to visually inspect the corner 36 to determine whether the sash 20 has completed shipping without damage. If so, the end user can proceed with unpacking and installation of the sash 20. If the corner 36 of the sash 20 is damaged, the end user can repack the sash 20 without removing the corner protector 130.

[0085] The corner protectors 130 are designed to optimize protection of the sash 20 while being compact enough to minimize packaging for shipping. Likewise, the corner protectors 130 are compact enough to protect the corners 36 during installation of the sash 20. The corner protectors 130 may be removed after installation of the sash 20 is complete.

[0086] Corner protectors 130 allow manufacturers to ship shower door assembly sashes 20 to retailers or directly to end users through parcel delivery distribution chains. Corner protectors 130 may be provided in a variety of shapes, thicknesses, materials, etc., as appropriate for a particular application.

[0087] The corner protector 130 is provided with a generally triangular shaped wall 136. By utilizing the triangular shaped wall 136, the corner protector 130 provides a triangular shape, thereby reducing material compared to previous embodiments. The corner protector 130 creates a specifically shaped cavity 152 inside the body 132 of the corner protector 130. This internal geometry is designed to work with the desired material type and thickness, so that when the corner protector 130 is placed on the sash 20, the corner protector will stop at a specific point to create a certain amount of spacing between the corner 36 of the product 20 and the end of the corner protector 130. The corner protector 130 can be used with glass sashes, wood, metal, or any suitable material, and in any suitable thickness.

[0088] The cavity 152 of the corner protector 130 may or may not have a window 150 to see the corner 36 of the product to observe the status of the product 20 and whether the corner protector 130 is installed correctly. The thickness and material of the corner protector 130 can vary depending on the fragility of the product and the use, where the embossed design standard is used for additional strength and / or branding. The corner protector 130 can be implemented in a range of shapes depending on cost, protection level, adhesion to branding, etc.

[0089] Figures 9 to 14 A corner protector 170 according to another embodiment is shown. The corner protector 170 has a body 172, which can be formed of a polymeric material (such as polypropylene, polycarbonate compounds, or any suitable structural material). The corner protector 170 can be molded, extruded, machined, or manufactured by an additive manufacturing process or other suitable manufacturing process.

[0090] The corner protector 170 includes a recess 174 formed in the body 172. The recess 174 is sized to receive the corner 36 of the sash 20. The recess 174 divides the body 172 into a pair of spaced walls 176, 178 interconnected by a pair of webs 180, 182. The recess 174 provides access to a pair of wall surfaces 184, 186 disposed within the recess 174, each on one of the walls 176, 178. The wall surfaces 184, 186 are spaced and sized to receive and contact the sash surfaces 24, 26 of the sash 20 therebetween, respectively. The wall surfaces 184, 186 can each be substantially flat within manufacturing tolerances and substantially parallel within manufacturing tolerances.

[0091] The recess 174 is formed to a certain depth so that the webs 180, 182 are angled relative to each other and interconnected with the walls 176, 178. For example, the webs 180, 182 are generally perpendicular to each other within manufacturing tolerances. The webs 180, 182 each provide a web surface 188, 190 within the recess 174. The web surfaces 188, 190 can also be generally perpendicular to each other within manufacturing tolerances. The wall surfaces 184, 186 each intersect with the first web surface 188 and the second web surface 190. Within manufacturing tolerances, the wall surfaces 184, 186 are each generally perpendicular to each of the first web surface 188 and the second web surface 190. The web surfaces 188, 190 are sized to receive two adjacent edge surfaces 32, 34 of the sash 20. Four corner protectors 170 can be assembled to the four corners 36 of the rectangular sash 20 as a sash assembly 192.

[0092] In the body 172, an aperture 194 is formed at the convergence of the first wall surface 184, the first web surface 188, and the second web surface 190, thereby preventing the three surfaces 184, 188, 190 from intersecting at the corner. The aperture 194 is formed through the body 172, and therefore also extends through the second wall surface 186 at the convergence of the first web surface 188 and the second web surface 190. The aperture 194 thereby prevents the second wall surface 186, the first web surface 188, and the second web surface 190 from intersecting at the corner. The aperture 194 is partially divided by the recess 174, thereby defining two separate apertures 194 through the walls 176, 178. Although the aperture 194 is illustrated as being formed through both walls 176, 178, the aperture 194 may be formed through one wall (such as the wall 176).

[0093] The apertures 194 define a cavity 196 within the body 172 that provides a gap between the wall surfaces 184, 186 of the body 172 and the sash surfaces 24, 26 of the sash 20 near the corner 36 of the sash 20. The gap may be of a suitable size to suspend the corner 36 within the body 172. The apertures 194 are formed through the walls 176, 178 at the intersection of the wall surfaces 184, 186 and the web surfaces 188, 190. Thus, the cavity 196 also provides a gap between the first web surface 188 and the third edge surface 32 of the sash 20. The gap between the first web surface 188 and the third edge surface 32 of the sash 20 may be of a suitable size to suspend the corner 36 within the body 172. The cavity 196 also provides a gap between the second web surface 190 and the fourth edge surface 34 of the sash 20. The gap between the second web surface 190 and the fourth edge surface 34 of the sash 20 may be sized to suspend the corner portion 36 within the body 172. In general, the corner portion 36 is suspended from the body 172 along the four surfaces 24, 26, 32, 34 of the sash 20.

[0094] By suspending the corner 36, the load applied to the corner protector 170 is distributed along the sash surfaces 24, 26 and the edge surfaces 32, 34 to the sash 20, away from the corner 36, to avoid impact or stress directly on the corner 36 or along the edge formed by the corner 36. Thus, the load is distributed to the surfaces 24, 26, 28, 30 of the sash 20 that are less fragile than the corner 36.

[0095] The corner protector 170 optimizes structural integrity to support and protect the corner 36 of the sash 20. The walls 176, 178 have outer surfaces 198, 200 to protect the area of ​​the sash surfaces 24, 26 beyond the corner 36. Likewise, the webs 180, 182 also have outer surfaces 202, 204 to protect the area of ​​the edge surfaces 32, 34 beyond the corner 36. Structural ribs 206 are provided on the outer wall surfaces 184, 186 to add structural reinforcement and additional rigidity to the walls 176, 178. The ribs 206 may embody any pattern suitable for strengthening the applicable corner protector 170. The ribs 206 may have any suitable thickness and height suitable for structurally reinforcing the corner protector 170.

[0096] Apertures 194 are formed through the outer wall surfaces 198, 200 to provide windows 194 for viewing the corners 36. According to an embodiment, when the aperture 194 is formed through only one wall surface 198, the aperture 194 provides a window 194 for viewing the corners 36 through one side 198 of the corner protector 170. During the unpacking process of the sash 20, the end user can use the window 194 to visually inspect the corners 36 to determine whether the sash 20 has completed shipping without damage. If so, the end user can proceed with unpacking and installation of the sash 20. If the corners 36 of the sash 20 are damaged, the end user can repack the sash 20 without removing the corner protector 170.

[0097] The corner protectors 170 are designed to optimize protection of the sash 20 while being compact enough to minimize packaging for shipping. Likewise, the corner protectors 170 are compact enough to protect the corners 36 during installation of the sash 20. The corner protectors 170 may be removed after installation of the sash 20 is complete.

[0098] Corner protectors 170 allow manufacturers to ship shower door assembly sashes 20 to retailers or directly to end users through parcel delivery distribution chains. Corner protectors 170 may be provided in a variety of shapes, thicknesses, materials, etc., as appropriate for a particular application.

[0099] The corner protector 170 is provided with generally square shaped walls 176, 178. The corner protector 170 creates a specifically shaped cavity 196 inside the body 172 of the corner protector 170. This internal geometry is designed to work with the desired material type and thickness so that when the corner protector 170 is placed on the sash 20, the corner protector will stop at a specific point to create a certain amount of spacing between the corner 36 of the product 20 and the end of the corner protector 170. The corner protector 170 may be used with glass sashes, wood, metal, or any suitable material, and in any suitable thickness.

[0100] The cavity 196 of the corner protector 170 may or may not have a window 194 to see the corner 36 of the product to observe the status of the product 20 and whether the corner protector 170 is installed correctly. The thickness and material of the corner protector 170 can vary depending on the fragility of the product and the use, where the embossed design standard is used for additional strength and / or branding. The corner protector 170 can be implemented in a range of shapes depending on cost, protection level, adhesion to branding, etc.

[0101] Figures 15 to 17 A packaged sash assembly 208 for the sash assembly 192 is shown. Fig.16As shown, the packaged sash assembly 208 includes a carton or box 210, which may be formed of paperboard or any suitable packaging material. The box 210 holds a pair of sash assemblies 192 for a shower door assembly that utilizes two sashes 20. The packaged sash assembly 208 may utilize any number of sashes 20 for a suitable shower door enclosure. Fig.15 and Fig.17 As shown, the sash assemblies 192 are stacked such that the corner protectors 170 are stacked directly on each other, with the structural ribs 206 of each corner protector 170 engaging the structural ribs 206 of adjacent corner protectors 170 .

[0102] like Figures 15 to 17 As shown, the packaged sash assembly 208 includes a plurality of foam side members 212 and a plurality of foam cross members 214. The foam members 212, 214 provide additional protection and damping to protect the sash assembly 192 during shipping. According to an embodiment, the side members 212 may include recesses 216 for clearance of the corner protectors 170. The lower corner protectors 170 are suspended within the foam members 212, 214 such that the lower corner protectors 170 rest directly within the carton 210. Alternatively, the recesses 216 may be omitted; and space may be provided in the box 210 due to the dimensions between the corner protectors 170 and the glass sash 20. According to another embodiment, the space in the box 210 may be filled with dunnage, such as corrugated cardboard or another packaging material.

[0103] Reference now Fig.16 , other shower door hardware may also be packaged in the packaged sash assembly 208. Additional hardware may include tracks 218, seals 220, and the like.

[0104] Although exemplary embodiments have been described above, this does not mean that these embodiments describe all possible forms of the present invention. On the contrary, the words used in this specification are descriptive, rather than restrictive, and it should be understood that various changes can be made without departing from the spirit and scope of the present invention. In addition, the features of the embodiments of different implementations can be combined to form further embodiments of the present invention.

Claims

1. A corner protector, the corner protector comprising a body having a recess formed therein, the recess defining a first surface to receive and contact a sash surface of a sash in the recess, the recess defining a second surface angled relative to and intersecting the first surface to receive and contact a first edge surface of the sash, the recess defining a third surface angled relative to and intersecting the first surface to receive and contact a second edge surface of the sash, and the body defining an aperture formed in the first surface and oriented at a convergence of the first surface, the second surface, and the third surface such that the second surface and the third surface do not intersect.

2. The corner protector according to claim 1, wherein: The aperture is formed through the body.

3. The corner protector according to claim 1, wherein: The recess defines a fourth surface spaced from and opposed to the first surface for contacting another sash surface of the sash; and wherein a second aperture is formed in the fourth surface and is oriented at a convergence of the second surface, the third surface, and the fourth surface such that the second surface and the third surface do not intersect.

4. The corner protector according to claim 1, wherein: The body is formed from a polymer material.

5. The corner protector according to claim 1, wherein: The body is formed from a polypropylene material.

6. The corner protector of claim 1, further comprising at least one structural rib disposed on the body to enhance the structural integrity of the body.

7. The corner protector according to claim 1, wherein: the body defining a first outer surface spaced from the first surface of the recess; wherein the body defines a second outer surface spaced apart from the second surface of the recess; wherein the body defines a third outer surface spaced apart from the third surface of the recess; and Wherein, the orifice is formed through the first outer surface.

8. The corner protector according to claim 1, wherein: The recess defines a fourth surface spaced from and opposed to the first surface for contacting another sash surface of the sash; wherein the body defines a first outer surface spaced apart from the first surface of the recess; wherein the body defines a second outer surface spaced apart from the second surface of the recess; wherein the body defines a third outer surface spaced apart from the third surface of the recess; wherein the body defines a fourth outer surface spaced apart from the fourth surface of the recess; wherein the orifice is formed through the first outer surface; and Wherein, a second opening is formed through the fourth outer surface.

9. A sash assembly comprising: The corner protector according to claim 1; as well as a sash received in a recess of the corner protector, the sash defining a first sash surface in contact with the first surface of the recess, the sash defining a first edge surface in contact with the second surface of the recess, and the sash defining a second edge surface in contact with the third surface of the recess, wherein the first sash surface, the first edge surface, and the second edge surface converge at a corner of the sash such that the aperture defines a gap disposed proximate the corner of the sash between the first surface of the recess and the first sash surface.

10. The sash assembly of claim 9, further comprising a retainer attached to the corner protector and the sash to retain the corner protector on the sash.

11. A sash assembly comprising: a grid defining a first grid surface and a second grid surface spaced apart from the first grid surface, and a plurality of edge surfaces intersecting the first grid surface and the second grid surface, wherein each intersection of a pair of adjacent edge surfaces defines a corner of the grid; and A plurality of corner protectors, each corner protector being according to claim 1 and each receiving one of the corners of the sash.

12. The sash assembly of claim 11, wherein: The sash further includes a glass shower door.

13. A packaged sash assembly comprising: Box; as well as 13. The sash assembly of claim 11, said sash assembly being received within said box.

14. The corner protector according to claim 1, wherein: The recess defines a fourth surface spaced from and opposed to the first surface for contacting another sash surface of the sash; and wherein the orifice is formed in the fourth surface and is oriented at a convergence of the second surface, the third surface, and the fourth surface such that the second surface and the third surface do not intersect.

15. A sash assembly comprising: The corner protector as claimed in claim 14; as well as a sash received in the recess of the corner protector, the sash defining a first sash surface in contact with the first surface of the recess, the sash defining a second sash surface in contact with the fourth surface of the recess, the sash defining a first edge surface in contact with the second surface of the recess, and the sash defining a second edge surface in contact with the third surface of the recess, wherein the first sash surface, the first edge surface, and the second edge surface converge at a corner of the sash such that the aperture defines a gap between the first surface of the recess and the first sash surface near the corner of the sash, and the aperture defines a gap between the second sash surface and the fourth surface of the recess.

16. A corner protector assembly comprising: a corner protector sized to receive a corner of the sash; as well as A retainer is attached to the corner protector to attach the corner protector to the sash.

17. The corner protector of claim 16, wherein: The retaining member includes an adhesive label.

18. A corner protector comprising: a first wall defining a first wall surface; a second wall spaced apart from the first wall and defining a second wall surface spaced apart from and facing the first wall surface; a first web interconnecting the first wall and the second wall; as well as a second web interconnecting the first wall to the second wall, the second web being oriented at an angle relative to the first web; and wherein apertures are formed in the first wall at the intersection of the first wall with the first web and at the intersection of the first wall with the second web to provide a gap between the first wall and a sash received between the first wall and the second wall and engaged with the first web and the second web.

19. The corner protector of claim 18, wherein: Apertures are formed in the second wall and at the intersection of the second wall with the first web and at the intersection of the second wall with the second web to provide a gap between the second wall and the sash.

20. A sash assembly comprising: The corner protector as claimed in claim 18; as well as The sash is received between the first wall and the second wall and engages the first web and the second web.

Images