Quickly assembled chair

Abstract

A quickly assembled chair comprises a seat frame assembly (1), a back frame assembly (2), a first armrest assembly (3) and a second armrest assembly (6), the seat frame assembly (1) is connected with the back frame assembly (2), the quickly assembled chair is characterized in that the back frame assembly (2) can rotate around the seat frame assembly (1), and the back frame assembly (2) is provided with a first limiting part (14); the first armrest assembly (3) is positioned on one side of the seat frame assembly (1) and the back frame assembly (2); the second armrest assembly (6) is located on the other side of the seat frame assembly (1) and the other side of the back frame assembly (2); the first armrest assembly (3) comprises a third limiting part (16) used for being connected with the first limiting part (14) and fixing the position relation between the back frame assembly (2) and the first armrest assembly (3). The assembling efficiency and stability of the chair are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to chair technical field, specifically, relate to a kind of quick assembly chair. BACKGROUND

[0002] Chair assembly technology has been relatively mature, especially in modern industrialized production environment. Many chair manufacturers have adopted advanced production lines and automated equipment to ensure the accuracy and efficiency of chair assembly. These technologies not only improve production speed, but also reduce the possibility of human error, thereby improving the overall quality of the chair.

[0003] However, due to the development of logistics and changes in people's living habits, chairs sold to consumers are no longer fully assembled, but are sold in the form of multiple accessories and assembled by consumers themselves. Therefore, the convenience of assembling a chair is a very important aspect of the chair.

[0004] Many chairs use modular structures, making the assembly process more convenient and efficient. Modular assembly allows manufacturers to break down the chair into multiple independent parts, which can be conveniently shipped and assembled.

[0005] However, the existing quick assembly method of the chair uses buckles and hand screws. There are still defects such as complicated assembly, more hand screws, poor user experience, and insufficient structural strength.

[0006] The disclosure of the above background technology is only used to assist in understanding the inventive concept and technical solution of the utility model, and it does not necessarily belong to the prior art of the present patent application. In the absence of explicit evidence that the above content has been disclosed on the filing date of the present patent application, the above background technology should not be used to evaluate the novelty and inventiveness of the present application. SUMMARY

[0007] Therefore, the utility model provides a quick assembly chair, which greatly reduces the number of user's manual fixing parts through structure optimization, improves user assembly experience and efficiency, and also improves the structural strength of the chair.

[0008] The utility model provides a kind of quick assembly chair, including seat frame assembly (1), back frame assembly (2), first armrest assembly (3) and second armrest assembly (6), the seat frame assembly (1) is connected with the back frame assembly (2), it is characterized in that,

[0009] The back frame assembly (2) can rotate around the seat frame assembly (1), and the back frame assembly (2) is provided with a first limiting portion (14);

[0010] A first armrest assembly (3) is located at one side of the seat frame assembly (1) and the back frame assembly (2);

[0011] A second armrest assembly (6) is located at the other side of the seat frame assembly (1) and the back frame assembly (2);

[0012] The first armrest assembly (3) comprises a third limiting part (16) for connecting with the first limiting part (14) to fix the position relationship between the back frame assembly (2) and the first armrest assembly (3).

[0013] Optionally, the quick assembly chair further comprises a second limiting part (15) provided on the back frame assembly (2), and the second armrest assembly (6) comprises a fourth limiting part (17) for connecting with the second limiting part (15) to fix the position relationship between the back frame assembly (2) and the second armrest assembly (6).

[0014] Optionally, the quick assembly chair further comprises a second limiting part (15) provided on the back frame assembly (2), and the second armrest assembly (6) comprises a fourth limiting part (17) for connecting with the second limiting part (15) to fix the position relationship between the back frame assembly (2) and the second armrest assembly (6).

[0015] Optionally, the quick assembly chair further comprises a second limiting part (15) provided on the back frame assembly (2), and the second armrest assembly (6) comprises a fourth limiting part (17) for connecting with the second limiting part (15) to fix the position relationship between the back frame assembly (2) and the second armrest assembly (6).

[0016] The first armrest assembly (3) has a first connecting position (4), and the first armrest assembly (3) can be connected with the seat frame assembly (1) and the back frame assembly (2) through a first movable part (5) at the first connecting position (4).

[0017] The second armrest assembly (6) has a second connecting position (7), and the second armrest assembly (6) can be connected with the seat frame assembly (1) and the back frame assembly (2) through a second movable part (8) at the second connecting position (7).

[0018] Optionally, the quick assembly chair further comprises:

[0019] A seat rear support rod (9) is detachably installed at the connecting position of the seat frame assembly (1) and the back frame assembly (2).

[0020] Optionally, the quick assembly chair further comprises:

[0021] A seat front support rod (10) is rotatably fixed on the seat frame assembly (1).

[0022] Optionally, the quick assembly chair, wherein the seat front support rod (10) further comprises a first fixed column buckle (11) and a second fixed column buckle (12); the first fixed column buckle (11) is used for connecting the first armrest assembly (3) and enabling the first armrest assembly (3) to rotate around the first fixed column buckle (11); the second fixed column buckle (12) is used for connecting the second armrest assembly (6) and enabling the second armrest assembly (6) to rotate around the second fixed column buckle (12).

[0023] Optionally, the quick assembly chair, wherein the connecting point of the seat front support rod (10) and the seat frame assembly (1), the first fixed column buckle (11) and the first connecting portion (4) form a triangle.

[0024] Optionally, the quick assembly chair, wherein the first armrest assembly (3) further comprises a seat lower support clamping tongue (13); when the first armrest assembly (3) is fixed with the seat frame assembly (1), the seat lower support clamping tongue (13) is engaged with the seat frame assembly (1).

[0025] Optionally, the quick assembly chair, wherein the number of the seat lower support clamping tongues (13) is not less than two, and at least one of the seat lower support clamping tongues (13) is in contact with two surfaces of the seat frame assembly (1) when the first armrest assembly (3) is fixed with the seat frame assembly (1).

[0026] Compared with the prior art, the quick assembly chair has the beneficial effects that:

[0027] The quick assembly chair provided by the utility model connects the seat frame assembly (1) and the back frame assembly (2) and can rotate, so that a user does not need to assemble the seat frame assembly (1) and the back frame assembly (2), but only needs to assemble the first armrest assembly (3) and the second armrest assembly (6), thereby greatly reducing the components assembled by the user and improving the assembly efficiency of the user.

[0028] The utility model adopts the integrated structure for the seat frame assembly (1) and the back frame assembly (2), does not need to be fixed by using a screw and the like, greatly reduces the connecting range of the movable components, and greatly increases the overall structural strength of the chair. ACCURACY OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of the provided drawings. Other features, objects and advantages of the present application will become more apparent through reading the detailed description of the non-limiting embodiments with reference to the following drawings:

[0030] Figure 1 A structure schematic diagram of a chair of the embodiment of the present application is provided.

[0031] Figure 2 A first armrest assembly rotating track schematic diagram of the embodiment of the present application is provided.

[0032] Figure 3 A second armrest assembly rotating track schematic diagram of the embodiment of the present application is provided.

[0033] Figure 4 A first armrest assembly and back frame assembly rotating track schematic diagram of the embodiment of the present application is provided.

[0034] Figure 5 A triangle schematic diagram of the embodiment of the present application is provided.

[0035] Figure 6 Another triangle schematic diagram of the embodiment of the present application is provided.

[0036] Figure 7 A seat under support clavus structure schematic diagram of the embodiment of the present application is provided.

[0037] Figure 8 A seat under support clavus and seat frame assembly non-engagement overall structure schematic diagram of the embodiment of the present application is provided.

[0038] Figure 9 A seat under support clavus and seat frame assembly engagement structure schematic diagram of the embodiment of the present application is provided.

[0039] Figure 10 A seat under support clavus and seat frame assembly engagement overall structure schematic diagram of the embodiment of the present application is provided. DETAILED DESCRIPTION

[0040] The utility model will be described in detail below in combination with specific embodiments. The following embodiments will help the person skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be pointed out that, for ordinary skilled in the art, without departing from the concept of the utility model, a number of variations and improvements can be made. These all belong to the protection scope of the utility model.

[0041] The terms "first", "second", "third", "fourth" and the like in the description and claims of the utility model and the above-mentioned drawings (if any) are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the utility model described herein, for example, can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to the clearly listed steps or units, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0042] The utility model embodiment provides a kind of chair of quick assembly, to solve the problems in prior art.

[0043] In the present specification, when the first armrest assembly and the second armrest assembly are symmetrical, the present specification only describes the first armrest assembly. The person skilled in the art can easily think of the same setting for the second armrest assembly and the components related to the second armrest assembly from the description of the first armrest assembly and the components related to the first armrest assembly in the present specification, so as to make the first armrest assembly and the second armrest assembly symmetrical. Therefore, the description of the first armrest assembly in the present specification does not only represent that the first armrest assembly is of this structure. When the second armrest assembly is of the same setting, it also belongs to the protection scope of the utility model.

[0044] The technical solutions of the utility model and how the technical solutions of the present application solve the above technical problems will be described in detail below with specific embodiments. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments. The embodiments of the utility model will be described below with reference to the drawings.

[0045] As Figure 1 and Figure 2 shown, a kind of quick assembly chair in the utility model embodiment includes:

[0046] Seat frame assembly (1).

[0047] Specifically, the seat frame assembly (1) is the base part of the chair, designed to support the user's hips, made of strong metal material or reinforced plastic to ensure sufficient load-bearing capacity and durability. The seat frame assembly is designed to be connected with the back frame assembly, the first armrest assembly, and the second armrest assembly to form a complete chair structure.

[0048] The back frame assembly (2) can rotate around the seat frame assembly (1), and the back frame assembly (2) is provided with a first limiting part (14). The first limiting part (14) is a limiting protrusion or a limiting concave structure.

[0049] The seat frame assembly (1) is connected with the back frame assembly (2), and the back frame assembly (2) can rotate around the seat frame assembly (1).

[0050] Specifically, the back frame assembly (2) is used to support the user's back. The back frame assembly is made of metal, plastic or other lightweight but strong materials. The shape and size of the back frame assembly (2) will vary depending on the design of the chair, but generally includes one or more support rods and a panel or mesh material for supporting the back. The seat frame assembly (1) and the back frame assembly (2) in this embodiment are integrated structures, and the seat frame assembly (1) and the back frame assembly (2) can rotate relative to each other to change the included angle between them. The included angle between the two can be changed at least within the range of 0°-90°. When the included angle between the two is 0°, the seat frame assembly (1) and the back frame assembly (2) are folded together, having the smallest volume. When the included angle between the two is 90°, it can be used as a backrest for the user. The included angle between the seat frame assembly (1) and the back frame assembly (2) can also be 100°, 110°, 120°, 130° or any other value not listed. Those skilled in the art can adjust the included angle between the seat frame assembly (1) and the back frame assembly (2) according to the design needs.

[0051] The first armrest assembly (3) is located on one side of the seat frame assembly (1) and the back frame assembly (2).

[0052] Specifically, the first armrest assembly (3) is located on one side of the seat frame assembly (1) and the back frame assembly (2) to provide additional support for the user. The first armrest assembly (3) is usually designed to match the style and color of the seat frame assembly (1) and the back frame assembly (2).

[0053] The second armrest assembly (6) is located on the other side of the seat frame assembly (1) and the back frame assembly (2).

[0054] Specifically, the second armrest assembly (6) is similar to the first armrest assembly (3), but is located on the other side of the chair. It also provides additional support for the user and has a design and function that matches the first armrest assembly.

[0055] The first armrest assembly (3) comprises a third limiting part (16) for connecting with the first limiting part (14) to fix the position relationship between the back frame assembly (2) and the first armrest assembly (3).

[0056] Specifically, the first limiting part (14) is used to connect the first armrest assembly (3) and limit the rotation or movement of the first armrest assembly (3). The third limiting part (16) is used in cooperation with the first limiting part (14) to quickly fix the relative position of the back frame assembly (2) and the first armrest assembly (3), which is more convenient, simple and fast, and can improve the user-friendliness of the chair assembly process.

[0057] In some embodiments, the back frame assembly (2) is further provided with a second limiting part (15), and the second armrest assembly (6) comprises a fourth limiting part (17); the fourth limiting part (17) is used to connect with the second limiting part (15) to fix the position relationship between the back frame assembly (2) and the second armrest assembly (6). The second limiting part (15) is used to connect the second armrest assembly (6) and limit the rotation or movement of the second armrest assembly (6). The second limiting part (15) makes the assembly of the back frame assembly (2) and the second armrest assembly (6) more convenient, simple and fast, and improves the user-friendliness of the chair assembly process.

[0058] In some embodiments, the first armrest assembly (3) has a first connection (4); the first armrest assembly (3) can be connected with the seat frame assembly (1) and the back frame assembly (2) at the first connection (4) through a first movable part (5). The first armrest assembly (3) has a first connection (4), which is the key point of connection with the seat frame assembly (1) and the back frame assembly (2). Through the first movable part (5), the first armrest assembly (3) can be firmly fixed on the chair. The first connection (4) is the point of connection of the first armrest assembly (3) with the seat frame assembly (1) and the back frame assembly (2). The first connection (4) is usually designed to accommodate the first movable part (5) to ensure that the first armrest assembly (3) can be stably fixed on the chair. The first connection (4) can be a hole, a slot or other connection structure to match the first movable part. The first movable part (5) can be a bolt, a pin, a clip or other type of connecting piece, which can make the first armrest assembly (3) and the seat frame assembly (1) and the back frame assembly (2) fixedly connected.

[0059] A second armrest assembly (6) has a second connection (7); the second armrest assembly (6) can be connected with the seat frame assembly (1) and the back frame assembly (2) at the second connection (7) through a second movable part (8). The second armrest assembly has a second connection for connecting with the seat frame assembly and the back frame assembly. The second armrest assembly (6) is located on the opposite side of the seat frame assembly (1) and the back frame assembly (2) from the first armrest assembly (3) to fix the seat frame assembly (1) and the back frame assembly (2) from different directions and accommodate the user. Correspondingly, the second connection (7) is also located on the opposite side of the seat frame assembly (1) and the back frame assembly (2) from the first connection (4). The second movable part (8) has the same structure as the first movable part (5) and is located on the opposite side of the seat frame assembly (1) and the back frame assembly (2).

[0060] In some embodiments, the first movable part (5) is connected with the first armrest assembly (3) and has a certain degree of freedom. When the first movable part (5) is connected with the seat frame assembly (1) and the back frame assembly (2) at the first connection (4), the first armrest assembly (3) can be fixed with the seat frame assembly (1) and the back frame assembly (2) through a quick way such as pressing, greatly improving the assembly efficiency.

[0061] In some embodiments, as shown in Figure 1 a quick assembly chair further comprises a seat back support rod (9).

[0062] The seat back support rod (9) is detachably installed at the connection between the seat frame assembly (1) and the back frame assembly (2).

[0063] Specifically, the seat back support rod (9) is used to enhance the strength of the seat frame assembly (1) and the back frame assembly (2). The seat back support rod (9) has a connecting port at each end, one end of which is connected with the first movable part (5) and the other end of which is connected with the second movable part (8). The seat back support rod (9) connects the seat frame assembly (1), the back frame assembly (2), the first armrest assembly (3) and the second armrest assembly (6) into an integral whole, greatly enhancing the overall strength of the chair.

[0064] In some embodiments, as shown in Figure 1 a quick assembly chair further comprises a seat front support rod (10).

[0065] The seat front support rod (10) is rotatably fixed on the seat frame assembly (1).

[0066] Specifically, the seat front support rod (10) can form an angle of 0° with the seat frame assembly (1), or an angle of 100°, 110°, 120° or any other obtuse angle. When the seat front support rod (10) forms an angle of 0° with the seat frame assembly (1), the volume is minimized, facilitating transportation. When the support rod (10) can form an angle of at least one obtuse angle with the seat frame assembly (1), the support rod (10) can be fixed with the seat frame assembly (1) and can withstand greater force, providing higher stability.

[0067] In some embodiments, the seat front support rod (10) further comprises a first fixed column buckle (11) and a second fixed column buckle (12); the first fixed column buckle (11) is used to connect the first armrest assembly (3) and allow the first armrest assembly (3) to rotate around the first fixed column buckle (11); the second fixed column buckle (12) is used to connect the second armrest assembly (6) and allow the second armrest assembly (6) to rotate around the second fixed column buckle (12). Figure 2 The middle circle is a schematic diagram of the rotation track of the first armrest assembly (3). Figure 3 The middle circle is a schematic diagram of the rotation track of the second armrest assembly (6). When the first armrest assembly (3) and the second armrest assembly (6) can be fixed at a point of rotation, it makes the assembly of the chair more convenient. Figure 4 The first armrest assembly (3) and the back frame assembly (6) are shown in the rotation track diagram. Figure 4 The large middle circle is the rotation track of the first armrest assembly (3), and the small circle is the rotation track of the back frame assembly (6). From Figure 4 As can be seen from the figure, the rotation range of the first armrest assembly (3) and the back frame assembly (6) overlaps, i.e. the first armrest assembly (3) and the back frame assembly (6) can be engaged and fixed at the intersection position, thereby fixing the relative position of the first armrest assembly (3) and the back frame assembly (6) and fixing the position with the seat frame assembly (1), achieving the effect of rapid assembly.

[0068] In some embodiments, the connection point of the seat front support rod (10) with the seat frame assembly (1), the first fixed column buckle (11) and the first connection (4) form a triangle. Figure 5 And Figure 6 Two different structures of the triangular area of the seat front support rod (10), the seat frame assembly (1) and the first armrest assembly (3) are shown, and it can be seen that Figure 5 And Figure 6 It is shown that the shape of the seat front support rod (10) can be a straight line or not.

[0069] In some embodiments, the first armrest assembly (3) further comprises a seat support clasp (13), which is engaged with the seat frame assembly (1) when the first armrest assembly (3) is fixed with the seat frame assembly (1). The seat support clasp (13) makes the assembly of the first armrest assembly (3) and the seat frame assembly (1) more firm, thereby enhancing the durability of the chair during use and preventing deformation of the seat frame assembly (1) that may occur during long-term use.

[0070] In some embodiments, the number of the seat support clasps (13) is not less than two, and at least one of them is in contact with two surfaces of the seat frame assembly (1) when the first armrest assembly (3) is fixed with the seat frame assembly (1). The number of the seat support clasps (13) not less than two enhances the support of the seat frame assembly (1) and makes the stress points of the seat frame assembly (1) more uniform, thereby preventing deformation. Figure 7 As shown in FIG. 6, at least one of the seat support clasps (13) is in contact with two surfaces of the seat frame assembly (1) when the first armrest assembly (3) is fixed with the seat frame assembly (1), which enhances the support of the seat frame assembly (1) and limits the lateral displacement of the seat frame assembly (1) and the first armrest assembly (3), thereby making the overall structure of the chair more stable. Figure 8 FIG. 6 is a schematic view of the seat support clasp (13) and the seat frame assembly (1) not engaged, in which the circular part is the part shown in FIG. 7. Figure 8 FIG. 7 is a schematic view of the seat support clasp (13) and the seat frame assembly (1) engaged, in which the circular part is the part shown in FIG. 8. Figure 7 As can be seen from FIG. 7, the seat support clasp (13) also limits the rotation angle of the first armrest assembly (3) and the seat frame assembly (1). Figure 8 FIG. 8 is a schematic view of the seat support clasp (13) and the seat frame assembly (1) engaged, in which the circular part is the part shown in FIG. 9. Figure 9 As can be seen from FIG. 8, the connection of the seat support clasp (13) and the seat frame assembly (1) is more firm when engaged. Figure 10 FIG. 9 is a schematic view of the overall structure of the seat support clasp (13) and the seat frame assembly (1) engaged, in which the circular part is the part shown in FIG. 10. Figure 10 As can be seen from FIG. 9, the first armrest assembly (3) and the seat frame assembly (1) are both more firm. Figure 9 FIG. 10 is a schematic view of the overall structure of the seat support clasp (13) and the seat frame assembly (1) engaged, in which the circular part is the part shown in FIG. 11. Figure 10 As can be seen from FIG. 10, the first armrest assembly (3) and the seat frame assembly (1) are both more firm.

[0071] The various embodiments described in this specification are presented in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. The above description of the disclosed embodiments enables those skilled in the art to implement or use this invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this invention. Therefore, this invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0072] The specific embodiments of this utility model have been described above. It should be understood that this utility model is not limited to the specific embodiments described above, and those skilled in the art can make various modifications or variations within the scope of the claims, which do not affect the substantive content of this utility model.

Claims

1. A quick assembly chair, comprising a seat frame assembly (1), a back frame assembly (2), a first armrest assembly (3) and a second armrest assembly (6), wherein the seat frame assembly (1) is connected with the back frame assembly (2), characterized in that, the back frame assembly (2) is rotatable around the seat frame assembly (1), and the back frame assembly (2) is provided with a first limiting part (14); the first armrest assembly (3) is located on one side of the seat frame assembly (1) and the back frame assembly (2); the second armrest assembly (6) is located on the other side of the seat frame assembly (1) and the back frame assembly (2); the first armrest assembly (3) comprises a third limiting part (16) for connecting with the first limiting part (14) to fix the positional relationship between the back frame assembly (2) and the first armrest assembly (3).

2. A quick assembly chair as claimed in claim 1, wherein, the back frame assembly (2) is further provided with a second limiting part (15), and the second armrest assembly (6) comprises a fourth limiting part (17); the fourth limiting part (17) is used for connecting with the second limiting part (15) to fix the positional relationship between the back frame assembly (2) and the second armrest assembly (6).

3. A quick assembly chair as claimed in claim 1, wherein, the first limiting part (14) is a limiting protrusion or a limiting recess structure.

4. The quick assembly chair according to claim 1, characterized in that, the first armrest assembly (3) has a first connecting position (4); the first armrest assembly (3) can be connected with the seat frame assembly (1) and the back frame assembly (2) at the first connecting position (4) through a first movable part (5); the second armrest assembly (6) has a second connecting position (7); the second armrest assembly (6) can be connected with the seat frame assembly (1) and the back frame assembly (2) at the second connecting position (7) through a second movable part (8).

5. The quick assembly chair of claim 1, wherein, Further comprising: a seat rear support rod (9) which is detachably installed at the connecting position of the seat frame assembly (1) and the back frame assembly (2).

6. A quick assembly chair as claimed in claim 1, wherein, Further comprising: a seat front support rod (10) which is rotatably fixed to the seat frame assembly (1).

7. A quick assembly chair as claimed in claim 6, wherein, the seat front support rod (10) further comprises a first fixed column buckle (11) and a second fixed column buckle (12); the first fixed column buckle (11) is used for connecting the first armrest assembly (3) and enabling the first armrest assembly (3) to rotate around the first fixed column buckle (11); the second fixed column buckle (12) is used for connecting the second armrest assembly (6) and enabling the second armrest assembly (6) to rotate around the second fixed column buckle (12).

8. A quick assembly chair as claimed in claim 7, wherein, the connecting point of the seat front support rod (10) and the seat frame assembly (1), the first fixed column buckle (11) and the first connecting position (4) form a triangle.

9. A quick assembly chair as claimed in claims 1 to 8, wherein, the first armrest assembly (3) further comprises a seat lower support clamping tongue (13); when the first armrest assembly (3) is fixed with the seat frame assembly (1), the seat lower support clamping tongue (13) is engaged with the seat frame assembly (1).

10. A quick assembly chair as claimed in claim 9, wherein, The number of the supporting claws (13) under the seat is not less than two, and at least one of the supporting claws is in contact with two surfaces of the seat frame assembly (1) when the first armrest assembly (3) is fixed to the seat frame assembly (1).

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