Fastening clip
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- A RAYMOND & CO SCS
- Filing Date
- 2024-09-26
- Publication Date
- 2026-05-28
Smart Images

Figure CN2024121479_28052026_PF_FP_ABST
Abstract
Description
Fastening clipTechnical field of the invention
[0001] The present invention relates to the technical field of fastening means, and more particularly to means for fastening panels, for example solar panels, to a support rail.
[0002] In particular, the invention relates to a fastening clip for securing panels to rails. In particular, the fastening clip according to present invention is a piece which is configured to hold the panel clamped against the rail.
[0003] Technical background
[0004] It is known in the prior art that fastening kits are used to hold a panel. US9160273 discloses a fastening kit for fastening a panel, and in particular a solar panel, to a rail. In this regard, the fastening kit comprises a holding member, a bolt and a slide member. However, this fixing kit using a bolt or a screw is not satisfactory.
[0005] This is because the bolt can loosen over time, for example due to temperature changes. This loosening has the effect of reducing the holding force exerted by the holding member on the panel, and can ultimately lead to disassociation of the panel from the rail. Consequently, the adjacent panels can also have their grip on the rail reduced and in turn become detached from the rail. Moreover, the sliding member, which is not easily accessible, can hardly be replaced in case of necessity.
[0006] Another known technique involves using multiple fastening staples to secure each photovoltaic framework. Each staple holds the photovoltaic framework against the front face of a support wall, which is defined by one of the supporting beams. However, a drawback of this method is that the only adjustment possible during installation is the positioning of each fastening element along the elongate supports. This limitation presents challenges in mounting and means that the photovoltaic installation can only be deployed on relatively flat terrain, which restricts its potential applications.Summary of the invention
[0007] An object of the present disclosure is to provide a clip for holding two flat elements joined together at their main face.
[0008] The clip comprises an upper wall and two opposite side walls, the side walls being linked at one end by the upper wall and linked at the opposite end by holding means.
[0009] The two side walls each being provided with a groove having an end that opens into a face referred to as the “front face, ” the grooves being configured to insert the clip by its front face onto the two joined flat elements and each being delimited on the side walls by a contour having an upper segment and a lower segment opposite the upper segment.
[0010] The clip further comprises two bearing lateral flanges that extend outwardly at the level of the upper segment or the lower segment;
[0011] the upper wall comprises a claw configured to apply pressure to the two flat elements when they are inserted into grooves;
[0012] The claw and the bearing lateral flanges are on different sides of the grooves.
[0013] In some embodiments, contact surfaces of the bearing lateral flanges are perpendicular to the side walls.
[0014] In some embodiments, the clip comprises, in the continuation of each of the side walls, a counter-support foot.
[0015] In some embodiments, the clip comprises two counter-support feet, which are linked by a central part, the central part being configured to be received in the grooves and being configured to be engaged with the side walls.
[0016] In some embodiments, the clip further comprises two lateral supports extending, from respectively each of the side walls, inwardly or outwardly at the level of the upper segment.
[0017] In some embodiments, the lateral supports are of rectangle shape.
[0018] In some embodiments, the lateral supports are of semi-circle shape.
[0019] In some embodiments, the clip comprises further a washer being configured to be arranged between the first flat element and the upper segments.
[0020] In some embodiments, the clip is formed as a single piece.
[0021] According to another aspect of the invention, an assembly is provided.
[0022] The assembly comprises a clip of the invention, a first flat element, and a second flat element that are arranged and held joined together at their main face in the grooves in the clip.
[0023] Advantages will be apparent from the following description of the present disclosure.Brief description of the drawings
[0024] The invention may be better understood by referring to the following description and accompanying drawings that illustrate embodiments of the invention.
[0025] Among the drawings:
[0026] Figure 1 is a perspective view of a clip according to one embodiment of the invention;
[0027] Figure 2A is a perspective view of a clip according to one embodiment of the invention;
[0028] Figure 2B illustrate a front view of a clip according to one embodiment of the invention;
[0029] Figure 2C illustrate a view from below of a clip according to one embodiment of the invention;
[0030] Figure 3A is a perspective view of a clip according to one embodiment of the invention;
[0031] Figure 3B is a perspective view of a clip according to one embodiment of the invention;
[0032] Figure 4 shows the rail featuring an aperture according to one embodiment of the invention;
[0033] Figure 5 depicts the clip being inserted into the aperture of the rail, highlighting how the lateral supports 42 pass through the aperture according to one embodiment of the invention;
[0034] Figure 6 provides a side view illustrating how the clip secures the frame to the rail according to one embodiment of the invention;
[0035] Figure 7 shows an angled perspective of the assembled structure, showing the frame firmly attached to the rail by the clip according to one embodiment of the invention;
[0036] Figure 8 depicts a washer which is provided to complement the clip and fit snugly between the clip and the frame, according to one embodiment of the invention;
[0037] Figure 9 illustrates the assembly with the frame placed on top of the washer, according to one embodiment of the invention;
[0038] Figure 10 shows a side view of the complete assembly where the clip secures the frame onto the rail, with the washer positioned in between, according to one embodiment of the invention;
[0039] Figures 11, 11A, and 12B depict a two-part clip embodiment;
[0040] Figures 12A-12D illustrate the assembly process with a clip having two parts.Detailed description of embodiments
[0041] Embodiments of the present disclosure are described in detail with the technical matters, structural features, achieved objects, and effects with reference to the accompanying drawings. Specifically, the terminologies in the embodiments of the present disclosure are merely for describing the purpose of the certain embodiment, but not to limit the disclosure.
[0042] The expression of the singular number in the present disclosure includes the meaning of the plural number unless the meaning of the singular number is definitely different from that of the plural number in the context. In the following description, the term “include” or “have” may represent the existence of a feature, a number, a step, an operation, a component, a part or the combination thereof described in the present disclosure, and may not exclude the existence or addition of another feature, another number, another step, another operation, another component, another part or the combination thereof.
[0043] The terms “first” or “second” are used for the purpose of explanation about various components, and the components are not limited to the terms “first” and “second” . The terms “first” and “second” are only used to distinguish one component from another component. For example, a first component may be named as a second component without deviating from the scope of the present disclosure.
[0044] Figure 1 illustrates a perspective view of a clip 100, which can be used to hold two flat elements joined together at their main face. The clip 100 comprises an upper wall 20 and two opposite side walls 40. The side walls 40 are connected at one end by the upper wall 20 and at the opposite end by holding means. Each of the two side walls 40 features a groove 50 that opens into a face referred to as the "front face. " These grooves 50 are provided to allow insertion of the clip onto the two joined flat elements by its front face. The grooves 50 are delimited on the side walls 40 by a contour with an upper segment 52 and a lower segment 54 opposite the upper segment.
[0045] The clip 100 also includes two bearing lateral flanges 60 that extend outwardly at the level of the lower segment 54. The upper wall 20 is equipped with a claw 30 provided to apply pressure to the two flat elements 200, 400 when they are inserted into the grooves 50.
[0046] In a preferred embodiment, the clip 100 may include counter-support feet as extensions of the side walls 40. These feet extend outwardly from the bottom of the side walls 40, likely at an angle or curve. This outward extension creates the bearing lateral flanges 60 as part of the counter-support feet. This feature offers several mechanical advantages, including creating a single, continuous structure and allowing the counter-support feet to act as both stabilizing elements and part of the gripping mechanism.
[0047] The bearing lateral flanges 60 may be inclined to form an angle with respect to the lateral direction and are connected to the side walls 40 by an elastically-deformable curved area.
[0048] This allows the bearing lateral flanges 60 to come down longitudinally under the action of transverse engagement, enhancing the clip's grip.
[0049] In some embodiments (not illustrated) , each bearing lateral flange 60 may be split into at least one upper bearing lateral flange and at least one lower bearing lateral flange. The upper bearing lateral flange projects on the bearing head side with respect to the lower bearing lateral flange, providing a two-stage gripping mechanism that can adapt to different stress levels.
[0050] It is to note that the claw 30 and the bearing lateral flanges 60 are positioned on different sides of the grooves 50, which contributes to the clip's ability to securely hold the flat elements in place.
[0051] The clip 100 can be obtained by cutting and bending a metal strip, the holding means would be formed by bending the bottom of the side walls 40 inward to create tabs or flanges that meet or overlap at the center. These tabs could be secured together through various methods such as welding, interlocking features, or separate fasteners.
[0052] To facilitate insertion of the flat elements, the contour of the grooves 50 may have a notched through-opening end. The grooves 50 are delimited on the side walls 40 by a groove contour, composed of a lower segment 54 and an upper segment 52 facing the lower segment 54.
[0053] Advantageously, the claw 30 of the upper wall 20 is oriented toward the rear face of the clip 100 to avoid interfering with insertion.
[0054] The clip 100 combines features to create a highly adaptable and secure clip, offering improved resistance to tearing out and shear forces, better load distribution, and enhanced ability to accommodate variations in the flat elements being held. The clip 100 ensures a secure grip on the flat elements through a combination of compression from the claw 30, support from the bearing lateral flanges 60, and confinement within the grooves 50.
[0055] As shown in Figure 2A, the bearing lateral flanges 60 project outwardly from the lower sections of the side walls 40 of the clip 100. These flanges are positioned at the same vertical level as the lower segment 54 of the grooves 50, near the bottom extremities of the clip's side walls 40. Notably, the bearing lateral flanges 60 are situated on the side of the grooves 50 that is opposite to the claw 30.
[0056] In greater detail, the claw 30 is a component of the upper wall 20 of the clip 100. This claw 30 extends inwardly toward the grooves 50, facilitating secure engagement within the groove structure. Contrasting with this inward extension, the bearing lateral flanges 60 extend outward from the lower segment of the side walls 40, thereby providing stabilization and outward support.
[0057] In this illustrated embodiment, the clip 100 is provided with two lateral supports 42 that extend inwardly from each of the side walls 40 at the level of the upper segment 52 of the grooves 50. These lateral supports 42 enhance the structural rigidity of the clip 100 by providing additional reinforcement. By extending inwardly at the top section of the side walls 40, these supports create a wider profile at the top of the clip 100, which can enhance its stability and overall strength.
[0058] Furthermore, these lateral supports 42 may serve multifunctional purposes in an advantageous way. They can act as attachment points for connecting the clip 100 to other structures, or as positioning guides to ensure proper alignment and secure placement when the clip is installed. These supports at the upper segment 52 of the grooves 50 add to the versatility and robustness of the clip 100.
[0059] Referring to Figure 2B which is a front view of the clip 100.
[0060] The upper wall 20 forms the top section of the clip 100, merging seamlessly with the side walls 40. The side walls 40 are characterized by the presence of grooves 50, which incorporate a lower segment 54 aligning with the outward extension of the bearing lateral flanges 60. These flanges 60 are shown protruding outwardly near the bottom of the side walls 40, providing structural support or stabilization.
[0061] Simultaneously, the claw 30 is shown as an integral part of the upper wall 20, extending downward and inward towards the grooves 50, thus enabling it to interact or secure with an adjacent structure. This affords the clip 100 an optimized balance of forces, contributing to its functional efficacy and structural integrity.
[0062] In a general way, the side walls 40 of the clip 100 are linked at their lower ends by holding means, ensuring the overall structural integrity and functionality of the clip.
[0063] These holding means can take various forms in different embodiments, including:
[0064] - Interlocking features: Interlocking features may be incorporated at the bottom of each side wall 40, allowing the side walls to snap together or engage in a secure fit.
[0065] - Lower wall or bar: A lower wall or bar can connect the bottom edges of the side walls 40, providing a continuous base that adds to the clip's stability and defines the lower boundary of the interior space.
[0066] - Cross-members or struts: Cross-members or struts span between the lower portions of the side walls 40, enhancing structural rigidity and providing additional support.
[0067] - Flexible or elastic element: A flexible or elastic element may link the lower ends of the side walls 40, allowing for some movement while maintaining connection, which can assist in gripping during clipping actions.
[0068] The Figure 2C illustrates a view from below, showing the underside of the clip 100. In the illustrated embodiment, the holding means would be formed by bending the bottom of the side walls 40 inward to create tabs or flanges that meet at the center. These tabs could be secured together through various methods such as welding, interlocking features, or separate fasteners.
[0069] The side walls 40 are equipped with lateral supports 42, which project inward at the level of the upper segment of the grooves 50. These supports help to enhance the clip's structural rigidity and provide additional attachment or positioning functionality.
[0070] Referring to Figure 3A, the clip 100 incorporates two lateral supports 42 that extend outwardly from each of the side walls 40 at the level of the upper segment 52 of the grooves 50. These outwardly extending lateral supports 42 significantly increase the contact surface with the flat members to attached. The outward extension of the supports results in a wider top profile for the clip 100, which can improve its stability and enhance its ability to stay securely attached to the engaged surfaces. These lateral supports 42 may also serve as attachment points for connecting the clip 100 to other structures or as positioning guides to ensure correct alignment and secure placement during installation or use.
[0071] The lateral supports 42 can be of various shapes, which will be explained later. The lateral supports 42 of the clip 100 confer several advantages, particularly when it comes to the secure fixing of large-sized panels. This enhances the clip's ability to handle and stabilize bigger structures.
[0072] The lateral supports 42 can serve as effective attachment points, providing multiple locations for securing the panels. This multi-point attachment capability is advantageous for large panels, as it helps distribute the holding force across a wider area, enhancing stability.
[0073] The structure with outwardly extending supports provides the clip 100 with a higher load-bearing capacity. This is particularly important for large-sized panels that exert significant force on the clips, ensuring that they remain firmly in place without sagging or detachment.
[0074] The lateral supports 42 can have either a rectangular or a semi-circular shape, as depicted in Figures 3A and 3B.
[0075] The Figures 4-7 illustrate the step-by-step process for installing a frame 200 onto a rail 400 using a clip 100 equipped with lateral supports 42. The rail 400 includes an aperture 420 to accommodate the lateral supports 42 of the clip 100. The installation process involves some or all following steps: alignment, insertion, engagement, compression, and locking.
[0076] Step 1: Alignment
[0077] In the initial step, the clip 100 is aligned with the rail 400 such that the lateral supports 42 line up with the aperture 420 in the rail. Proper alignment is crucial for ensuring that the supports can pass through the aperture without obstruction.
[0078] Step 2: Insertion
[0079] Next, the clip 100 is inserted into the aperture 420 on the rail 400. The lateral supports 42 extend through the aperture, positioning the clip securely within the rail. This stage ensures that the clip is correctly placed to support the subsequent engagement with the frame 200.
[0080] Step 3: Engagement
[0081] Once the clip 100 is inserted into the rail 400, the frame 200 is brought into position for engagement. The clip 100 engages with the frame 200, holding it in place. The lateral supports 42 play a pivotal role here by providing additional structural support and maintaining the connection between the frame and rail.
[0082] The clip 100 applies compressive forces to the frame 200, helping to hold it tightly against the rail 400. This compression ensures a stable and secure fit without gaps or movement.
[0083] As the clip 100 engages with the frame 200 and rail 400, frictional forces develop between the contacting surfaces. These forces resist slippage and further stabilize the assembly.
[0084] The clip 100 confines the frame 200 within its structure, preventing lateral or vertical displacement. The lateral supports 42 help enclose the frame securely within the clip's embrace.
[0085] The clip 100 distributes forces evenly across the contact areas, ensuring that no single point bears excessive load. This distribution helps maintain the integrity of both the frame and the rail.
[0086] Certain parts of the clip 100, particularly those involving the lateral supports 42, the claw 30, the bearing lateral flanges 60, may undergo elastic deformation during installation. This phenomenon absorbs some of the stresses and contributes to the secure attachment of the frame 200 to the rail 400. Figure 8 shows a washer which can be used in combination with a clip according to an embodiment of the present invention.
[0087] In certain embodiments, a washer 150 is incorporated into the assembly of the clip 100 to provide enhanced pressure distribution and improve the overall stability and longevity of the connection between a large-sized frame 200 and a rail 400. The washer 150 acts as an intermediary component positioned between the clip 100 and the frame 200, ensuring the better accommodation of larger frames and facilitating a more secure attachment. When the lateral supports 42 are absents, the washer 150 allows to increase the contact surface for fixing.
[0088] The washer 150 helps in evenly distributing the pressure exerted by the clip 100 when securing the frame 200. This prevents localized stress points that could lead to deformation or damage over time.
[0089] By serving as an additional layer, the washer 150 enhances the stability of the assembly, ensuring that the frame 200 is more firmly attached to the rail 400. The use of the washer 150 can reduce wear and tear on both the clip 100 and the frame 200, thereby extending the lifespan of the assembly.
[0090] The following illustrates the install process with a washer 150:
[0091] - Place the washer 150 on the frame 200. The washer 150 now sits between the clip 100 and the frame 200, distributing the forces applied and aiding in stabilizing the assembly.
[0092] -Insert the clip 100 into the aperture 420 of the rail 400.
[0093] -Position the frame 200 over the rail 400, with the washer 150 being inserted and received in the clip 100. Engage the clip 100 to hold the frame 200 firmly in place, utilizing the washer 150 to ensure an even distribution of pressure and enhanced connection stability. Locking mechanisms such as the claw 30 are used to finalize the securement.
[0094] The inclusion of a washer 150 is particularly beneficial when dealing with large-sized frames, as it helps to mitigate the potential issues arising from increased weight and structural stress. By providing better pressure distribution and improving the overall stability, the washer ensures that the assembly can maintain its integrity and function over an extended period.
[0095] Another embodiment of the clip assembly, as illustrated in Figures 11, 11A, 11 B, includes a clip body 120 and a separate counter-support feet component 140. This two-part piece introduces modular assembly, offering multiple benefits in terms of manufacturing efficiency, material optimization, and assembly flexibility. For example, the two-part piece allows each component to be manufactured separately, potentially using different materials best suited for their individual functions. For instance, the clip body could be made from a high-strength material for securing purposes, while the counter-support feet could be made from a more flexible or impact-resistant material.
[0096] The clip body 120 comprise an upper wall 20. The upper wall 20 forms the top section of the clip body 100 and includes an inwardly extending claw 30, provided to engage with other components, such as a frame or a rail. The side walls 40 extend downward from the upper wall 20 and may include any grooves or lateral supports as needed for structural stability and functionality. The clip body 120 comprises the lateral supports 42 extending outwardly from the side walls 40. The lateral supports are placed at the upper segment 52 of the grooves 50.
[0097] The counter-support feet component 140 comprises two flanges 60 and a connecting section 70. The counter-support feet component 140 features its own set of outwardly extending bearing flanges 60, A connecting section 70 joins the feet flanges, serving as the base that interfaces with the clip body 100. This section may include interlocking features such as tabs or slots to facilitate secure attachment to the clip body. As illustrated, the counter-support feet component 140 comprise two openings to engage with the tabs provided on the lower segments of the grooves.
[0098] The Figure 12A-12D illustrate the assembly process with a clip 100 having two parts 120, 140.
[0099] The figures illustrate the assembly process for securing a frame 200 onto a rail 400 using a modular clip assembly 100, which includes a clip body 120 and a separate counter-support feet component 140. This sequence demonstrates how these components integrate through an aperture 420 in the rail to securely attach the frame.
[0100] In Figure 12A, the clip body 120 is shown above the rail 400, aligned with the aperture 420 in the rail.
[0101] The clip body 120 is then inserted through the aperture 420 of the rail 400. The counter-support feet component 140 is prepared to slide in and align with the clip body.
[0102] In Figure 12B and Figure 12C, the clip body 120 and the counter-support feet component 140 are now aligned and interconnected within the rail 400. The counter-support feet component 140 is slide or attached into the clip body 120. The feet component should fit snugly, providing structural support and stability through their combined assembly.
[0103] As illustrated in Figure 12D: The frame 200 is shown being positioned onto the clip 100, which is now securely integrated with the rail 400.
[0104] The frame 200 is placed onto the assembled clip 100. Then the frame 200 is adjusted so that it seats properly within the clip’s securing mechanism, ensuring that it is firmly held in place.
[0105] The modular assembly with two parts provides enhanced structural support, distributing the load effectively and preventing any deformation.
[0106] The combination of the clip body 120 and counter-support feet component 140 forms a robust base. When the frame 200 is attached, this setup ensures that the frame is securely held in place, leveraging both compression and friction forces to maintain stability.
[0107] REFERENCE LIST
Claims
1.Clip (100) , for holding two flat elements (200, 400) joined together at their main face,the clip (100) comprising, an upper wall (20) and two opposite side walls (40) , the side walls (40) being linked at one end by the upper wall (20) and linked at the opposite end by holding means,the two side walls (40) each being provided with a groove (50) having an end that opens into a face referred to as the “front face” , the grooves (50) being configured to insert the clip by its front face onto the two joined flat elements and each being delimited on the side walls (40) by a contour having an upper segment (52) and a lower segment (54) opposite the upper segment, whereinthe clip further comprises two bearing lateral flanges (60) that extend outwardly at the level of the upper segment (52) or the lower segment (54) ; the upper wall (20) comprises a claw (30) configured to apply pressure to the two flat elements (200, 400) when they are inserted in to grooves (50) ;wherein the claw (30) and the bearing lateral flanges (60) are of the different sides of the grooves (50) .2.Clip (100) according to any of preceding claims, wherein contact surfaces of the bearing lateral flanges (60) are perpendicular to the side walls (40) .3.Clip (100) according to any of preceding claims, wherein the clip comprises, in the continuation of each of the side walls (40) , a counter-support foot (62) .4.Clip (100) according to any of preceding claims, where in the clip comprises two counter-support feet (62) , which are linked by a central part, the central part being configured to be received in the grooves (50) and being configured to be engaged with the side walls (40) .5.Clip (100) according to any of preceding claims, wherein the clip further comprises two lateral supports (42) extending, from respectively each of the side walls (40) , inwardly or outwardly at the level of the upper segment.6.Clip (100) according to any of preceding claims, wherein the lateral supports (42) are of rectangle shape.7.Clip (100) according to any of preceding claims, wherein the lateral supports (42) are of semi-circle shape.8.Clip (100) according to any of claims 1-4, wherein the clip comprises further a washer being configured to be arranged between the first flat element (200) and the upper segments (52) .9.Clip (100) according to any of claims 1-3, 5-8, wherein the clip (100) is formed as a single piece.10.Assembly comprising a clip (100) according to any of preceding claims, a first flat element (200) and a second flat element (400) that are arranged and held joined together at their main face in the grooves (50) in the clip (100) .