Detachable folding intelligent guitar

Abstract

The detachable folding intelligent guitar comprises a guitar body, a guitar neck and a frame, one end of the guitar neck is rotatably connected with the guitar body so that the guitar neck can be arranged in a foldable mode relative to the guitar body, the frame is detachably arranged on the guitar body, the frame is provided with a containing space, and the frame has a containing state and an unfolding state relative to the guitar body. The frame is detached to be switched between an unfolding state and an accommodating state; when the frame is in the unfolded state, the frame is located on one side of the guitar body, and the frame and the guitar body are oppositely arranged. When the frame is in the containing state, the frame is located on the other side of the guitar body so that the guitar body can be contained in the containing space of the frame, in this way, in the containing state, the frame can be detached and arranged on the guitar body in a sleeving mode to be contained so as to reduce the overall width of the guitar, and the guitar neck can be rotationally folded relative to the guitar body. The actual space occupied by the guitar is further reduced, so that the guitar is convenient to carry and store, and frames of different shapes or shapes can be detached and replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of musical instruments, in particular to a detachable and foldable intelligent guitar. Background Art

[0002] At present, the body of the electric guitar on the market is relatively large, which makes the guitar take up a large space and is inconvenient to carry, store and transport. Some existing foldable guitars usually only fold the length of the guitar to solve the above problems. Specifically, the neck of the guitar is folded on the surface of the body, which increases the thickness of the body in disguise. The width of the body is still large, and it still takes up a large space and is inconvenient to carry. In addition, the overall appearance of the guitar is fixed and cannot be disassembled and replaced, which makes the appearance design of the guitar relatively simple and cannot meet the user's diverse choices and personalized needs for guitar shapes. Utility Model Content

[0003] The utility model aims to provide a detachable and foldable smart guitar, aiming to solve the technical problem in the prior art that guitars occupy a large space and are inconvenient to carry and store.

[0004] In order to achieve the above-mentioned purpose, the technical solution of the utility model provides a detachable and foldable smart guitar, comprising:

[0005] The body of the instrument;

[0006] A neck, one end of which is rotatably connected to the body of the guitar, so that the neck can be folded relative to the body of the guitar;

[0007] A frame, the frame is detachably arranged on the body of the instrument, and the frame has a receiving space, and the frame has a receiving state and an unfolded state relative to the body of the instrument, so that the frame can be switched between the unfolded state and the receiving state by disassembling the frame;

[0008] Among them, when the frame is in the expanded state, the frame is located on one side of the piano body, and the frame is arranged opposite to the piano body; when the frame is in the accommodated state, the frame is located on the other side of the piano body, so that the piano body is accommodated in the accommodating space of the frame.

[0009] Furthermore, connecting parts are provided at both ends of the frame, and engaging grooves are provided at both ends of one side of the body, so that the frame and the body are detachably connected by being embedded in the engaging grooves through the connecting parts.

[0010] Furthermore, one of the coupling grooves near the neck is extended along the width direction of the neck, and the two ends of the coupling groove along its extension direction are through-set, so that the connecting part can be embedded in the coupling groove when the frame is in the expanded state and the accommodated state, thereby achieving a detachable connection.

[0011] Furthermore, one of the engagement grooves away from the neck is extended along the length direction of the neck, and the end of the engagement groove away from the neck is through-set, wherein both of the engagement grooves are located on the back side of the body.

[0012] Furthermore, a fixing hole is provided in the engaging groove, and a through hole is correspondingly provided in the connecting portion, so that a screw can pass through the through hole and be inserted into the fixing hole to achieve a detachable connection.

[0013] Furthermore, the fixing hole is extended along the thickness direction of the piano body, and a positioning boss is provided at the outer end of the fixing hole, a countersunk hole is opened at at least one end of the through hole, the countersunk hole is coaxially arranged with the through hole, and the diameter of the countersunk hole is larger than the diameter of the through hole, so that the positioning boss can be embedded in the countersunk hole for positioning.

[0014] Furthermore, the frame is a C-shaped structure formed by bending and extending a strip plate material, so as to form the accommodating space on the inner side of the frame, and the accommodating space is adapted to the shape of the piano body.

[0015] Furthermore, the frame includes an outer plate and two transverse plates, the two transverse plates are respectively arranged at both ends of the outer plate, the width direction of the outer plate extends along the thickness direction of the piano body, the board surface of the transverse plate is perpendicular to the board surface of the outer plate, so as to form two connecting parts at the ends of the two transverse plates, and the extension directions of the two connecting parts are perpendicular to each other.

[0016] Furthermore, the nuts of the two screws are provided with annular grooves along the circumference, and the annular grooves are used to fix the strap of the guitar.

[0017] Furthermore, it also includes a conversion member, which is arranged between the neck and the body, and one end of the conversion member is pivotally connected to the neck via a rotating shaft, and the other end of the conversion member is pivotally connected to the body via a rotating shaft. A recessed portion is provided on the back side of the body, and the recessed portion extends along the length direction of the neck so that the neck can be rotated and folded relative to the body and then embedded in the recessed portion.

[0018] It can be seen from the above technical scheme that the detachable and foldable smart guitar of the utility model is stored by removing the frame and putting it on the body of the guitar, so that the body of the guitar is accommodated in the accommodating space of the frame, thereby reducing the overall width of the guitar, and because one end of the neck is rotatably connected to the body of the guitar, the neck can be rotated and folded relative to the body of the guitar to reduce the length of the guitar, so that the space occupied by the guitar in the stored state is small, which is convenient for carrying and storage, and has a simple and compact structure. In addition, because the frame is detachable, the frame can be replaced with different appearance shapes or styles, which can meet the user's diverse choices and personalized needs for the appearance of the guitar.

[0019] In order to make the technical concept and other purposes, advantages, features and functions of the present invention more clearly understood, preferred embodiments will be specifically cited in the following specific implementation manner and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 It is a structural schematic diagram of a detachable and foldable smart guitar in an unfolded state provided by an embodiment of the present application;

[0022] Figure 2 This is a structural exploded diagram of a detachable and foldable smart guitar provided by an embodiment of the present application;

[0023] Figure 3 It is a structural schematic diagram of a frame of an implementation method provided in an embodiment of the present application;

[0024] Figure 4 It is a structural schematic diagram of a detachable and foldable smart guitar in a storage state provided by an embodiment of the present application;

[0025] Figure 5 is a schematic structural diagram of another viewing angle of a detachable and foldable smart guitar in a storage state provided by an embodiment of the present application;

[0026] Figure 6 is a schematic diagram of the structure of the piano body provided in an embodiment of the present application;

[0027] Figure 7 is a schematic structural diagram of a detachable and foldable smart guitar neck when it is folded, provided in an embodiment of the present application;

[0028] Figure 8is a schematic structural diagram of a smart guitar according to another embodiment of the present application;

[0029] Fig. 9 It is a structural schematic diagram of a frame of another implementation method provided in an embodiment of the present application;

[0030] Fig.10 It is a schematic diagram of the structure of the screw provided in the embodiment of the present application.

[0031] The above drawings include the following reference numerals:

[0032] 10, body; 110, joint groove; 120, fixing hole; 121, positioning boss; 130, recessed portion;

[0033] 20, neck; 30, frame; 301, accommodating space; 310, connecting part; 320, through hole; 321, countersunk hole; 330, outer plate; 340, horizontal plate;

[0034] 40. Adapter; 410. Rotating shaft; 50. Screw; 501. Annular groove. DETAILED DESCRIPTION

[0035] The embodiment of the present application provides a detachable and foldable smart guitar to solve the technical problem in the prior art that the guitar occupies a large space and is inconvenient to carry and store. A frame 30 is detachably provided on one side of the guitar body 10, and the frame 30 and the guitar body 10 together form the overall width of the guitar. When in the storage state, the frame 30 can be removed and mounted on the guitar body 10 for storage, so that the width of the guitar is reduced by half, and the neck 20 can be rotated and folded relative to the guitar body 10, thereby further reducing the actual space occupied by the guitar, thereby facilitating carrying and storage.

[0036] In order to enable those skilled in the art to better understand the technical solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of this application.

[0037] Please also read Figures 1 to 9The present embodiment provides a detachable and foldable smart guitar, comprising a body 10, a neck 20 and a frame 30. One end of the neck 20 is rotatably connected to the body 10 so that the neck 20 can be folded relative to the body 10. The frame 30 is detachably arranged on the body 10, and the frame 30 has a receiving space 301. The frame 30 has a receiving state and an unfolded state relative to the body 10, so that the frame 30 can be switched between the unfolded state and the receiving state by disassembling the frame 30. When the frame 30 is in the unfolded state, the frame 30 is located on one side of the body 10, and the frame 30 is arranged opposite to the body 10. When the frame 30 is in the received state, the frame 30 is located on the other side of the body 10 so that the body 10 is received in the receiving space 301 of the frame 30. Specifically, the main body of the guitar is designed as a two-part structure of the frame 30 and the body 10, such as Figure 1 As shown in FIG. 1 , in the unfolded state, the frame 30 and the body 10 are respectively located on the left and right sides of the lower end of the neck 20, thereby forming the overall shape of the guitar in width. When it is necessary to store the frame 30, the frame 30 can be removed and turned over and put on the body 10. At this time, the frame 30 and the body 10 are both located on the same side of the lower end of the neck 20, and the neck 20 can also be folded in the length direction, as shown in FIG. Figure 4 and Figure 5 shown.

[0038] It can be seen that the detachable and foldable smart guitar of the present invention is stored by removing the frame 30 and putting it on the body 10, so that the body 10 is stored in the storage space 301 of the frame 30, thereby reducing the overall width of the guitar, and because one end of the neck 20 is rotatably connected to the body 10, the neck 20 can be rotated and folded relative to the body 10 to reduce the length of the guitar, so that the space occupied by the guitar in the storage state is small, which is convenient for carrying and storage, and has a simple and compact structure. In addition, because the frame 30 is detachable, the frame 30 can be replaced with different appearance shapes or shapes, which can meet the user's diverse choices and personalized needs for the appearance of the guitar, such as Figure 1 In the embodiment shown, the outer peripheral edge of the frame 30 is a sharp-edged shape or shape, such as Figure 8 In the embodiment shown, the outer peripheral edge of the frame 30 has a smooth and rounded appearance or shape. Of course, the frame 30 can also be designed into other shapes or shapes. A guitar body 10 can be sold with frames 30 of various shapes. Users can freely choose the appropriate shape of the frame 30 according to their own preferences or different occasions, which can meet the preferences and choices of different users and enhance the user experience.

[0039] In this embodiment, if Figure 2As shown, connecting parts 310 are provided at both ends of the frame 30, and coupling grooves 110 are opened at both ends of one side of the body 10, so that the frame 30 and the body 10 can be detachably connected by being embedded in the coupling grooves 110 through the connecting parts 310. In this way, the frame 30 can be disassembled or replaced through the cooperation between the connecting parts 310 and the coupling grooves 110, so that the frame 30 can be switched between the expanded state and the accommodated state by disassembly.

[0040] Specifically, one of the engaging grooves 110 near the neck 20 is extended along the width direction of the neck 20, and the two ends of the engaging groove 110 along the extending direction are through-set, so that the connecting portion 310 can be embedded in the engaging groove 110 when the frame 30 is in the expanded state and the accommodated state, so as to be detachably connected. In this way, when in the accommodated state, the frame 30 can also be detachably installed in the engaging groove 110 through the connecting portion 310 for fixation, thereby preventing the frame 30 from being accidentally dropped off due to being not fixed on the guitar body 10, and by assembling the connecting portion 310 accommodated in the engaging groove 110, the thickness of the guitar is avoided to be increased due to the assembly structure of the frame 30, the structure is more compact and stable, and the product is lighter and smaller.

[0041] Furthermore, one of the engagement grooves 110 away from the neck 20 is extended along the length direction of the neck 20, and the end of the engagement groove 110 away from the neck 20 is through-set, wherein both engagement grooves 110 are located on the back of the guitar body 10. In this way, the assembly structure of the frame 30 is disposed on the back of the guitar body 10, which effectively prevents the appearance of the front of the guitar from being affected.

[0042] In this embodiment, a fixing hole 120 is opened in the joint groove 110, and a through hole 320 is correspondingly opened in the connecting portion 310, so that a screw 50 can pass through the through hole 320 and be inserted into the fixing hole 120 for detachable connection. The fixing hole 120 is a threaded hole, and the screw 50 is threadedly connected to the fixing hole 120. In this way, the frame 30 is more stable and less likely to shake in the expanded state and the accommodated state through the fastening method of the screw 50, which effectively improves the stability and reliability of the structure, avoids the frame 30 being loosely assembled and affecting the user's use, and further increases the user's experience.

[0043] Among them, Fig.10 As shown, the nut of the screw 50 is provided with an annular groove 501 along the circumferential direction for fixing the guitar strap. The two ends of the strap can be respectively connected to the annular grooves 501 of the two screws 50. With such arrangement, the screw 50 can not only fix the frame 30, but also take on the function of a guitar strap nail, thus avoiding the need to install the strap screw on the guitar body 10 for a second time. The structure is simple and easy to use.

[0044] Specifically, the fixing hole 120 is extended along the thickness direction of the piano body 10, and a positioning boss 121 is provided at the outer end of the fixing hole 120, and a countersunk hole 321 is provided at at least one end of the through hole 320, and the countersunk hole 321 is coaxially connected to the through hole 320, and the diameter of the countersunk hole 321 is larger than the diameter of the through hole 320, so that the positioning boss 121 is embedded in the countersunk hole 321 for positioning, the positioning boss 121 is a cylindrical structure, and the countersunk hole 321 is a circular hole, preferably, countersunk holes 321 are provided at both ends of the through hole 320, so that during the assembly process, the connecting portion 310 can be first embedded in the engaging groove 110 and the positioning boss 121 can be inserted into the countersunk hole 321 for positioning, so that the through hole 320 on the connecting portion 310 corresponds to the fixing hole 120 in the engaging groove 110, which is convenient for screwing on the screw 50 for assembly, which helps to avoid the frame 30 shaking during the assembly process and increasing the difficulty of assembly.

[0045] Furthermore, the frame 30 is a C-shaped structure formed by bending and extending a strip plate, and the frame 30 can be made of plastic or metal material to form a receiving space 301 on the inner side of the frame 30, and the receiving space 301 is adapted to the shape and size of the piano body 10, so that the frame 30 and the piano body 10 can fit tightly together in the accommodated state, thereby improving the applicability and reliability of the product.

[0046] Among them, the frame 30 includes an outer plate 330 and two transverse plates 340, the two transverse plates 340 are respectively arranged at both ends of the outer plate 330, the width direction of the outer plate 330 extends along the thickness direction of the piano body 10, the board surface of the transverse plate 340 is perpendicular to the board surface of the outer plate 330, so as to form two connecting parts 310 at the ends of the two transverse plates 340 respectively, and the extension directions of the two connecting parts 310 are perpendicular to each other. In the accommodated state, the outer plate 330 of the frame 30 is arranged around the edge of the piano body 10, and the connecting part 310 of the frame 30 is assembled with the engaging groove 110 of the piano body 10 by screws 50.

[0047] In this embodiment, the smart guitar further includes an adapter 40, which is disposed between the neck 20 and the body 10, and one end of the adapter 40 is pivotally connected to the neck 20 via a rotating shaft 410, and the other end of the adapter 40 is pivotally connected to the body 10 via a rotating shaft 410, wherein the adapter 40 is located on the back of the guitar body to avoid affecting the appearance of the guitar due to the adapter 40 being exposed on the front side of the guitar. By arranging the adapter 40 on the back of the guitar body, it is almost impossible to see obvious splicing marks at the connection between the neck 20 and the body 10 on the front side of the guitar. When the neck 20 is in a folded state, the adapter 40 is extended along the thickness direction of the neck 20, such as Figure 7 As shown, when the neck 20 is in the unfolded state, the adapter 40 is extended along the length direction of the neck 20. Figure 1 and Figure 2 The neck 20 is preferably arranged on a hinged surface, and the neck 20 is preferably provided with a plurality of hinges, and the neck 20 is preferably provided with a plurality of hinges, and the plurality of hinges are preferably provided with hinges.

[0048] Furthermore, a recessed portion 130 is provided on the back of the guitar body 10, and the recessed portion 130 is extended along the length direction of the neck 20 so that the neck 20 can be embedded in the recessed portion 130 after being rotated and folded relative to the guitar body 10. The recessed portion 130 is formed by providing a sunken step on the back of the guitar body 10, so that the neck 20 can be accommodated in the recessed portion 130 after being rotated and folded, thereby reducing the thickness of the guitar after being folded, avoiding excessive increase in the overall thickness of the guitar after the neck 20 is rotated and folded, and occupying additional space, which is convenient for carrying and storage.

[0049] From the above description, it can be seen that the above embodiments of the utility model achieve the following technical effects:

[0050] The detachable and foldable smart guitar of the present invention is designed to be able to store the guitar body 10 by removing the frame 30 and fitting it onto the guitar body 10, so that the guitar body 10 is accommodated in the accommodating space 301 of the frame 30, thereby reducing the overall width of the guitar. In addition, since one end of the neck 20 is rotatably connected to the guitar body 10, the neck 20 can be rotated and folded relative to the guitar body 10 to reduce the length of the guitar, thereby achieving a smaller space occupied by the guitar in the accommodated state, making it easy to carry and store, and having a simple and compact structure. In addition, since the frame 30 is detachable, the frame 30 can be replaced with different appearance shapes or styles, which can meet the user's diverse choices and personalized needs for the appearance of the guitar.

[0051] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0052] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant field may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so that once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0053] It should be noted that, in the description of the present application, unless otherwise clearly specified and limited, the terms "set, connect, connect, install" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, a conflicting connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0054] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, longitudinal, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; in addition, the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0055] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0056] The above is a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications are also considered to be within the protection scope of the present invention.

Claims

1. A detachable and foldable smart guitar, characterized in that: include: Body (10); A neck (20), one end of which is rotatably connected to the body (10) so that the neck (20) can be folded relative to the body (10); A frame (30), the frame (30) being detachably arranged on the instrument body (10), and the frame (30) having a receiving space (301), and the frame (30) having a receiving state and an unfolded state relative to the instrument body (10), so that the frame (30) can be switched between the unfolded state and the receiving state by disassembling the frame (30); Wherein, when the frame (30) is in the unfolded state, the frame (30) is located on one side of the musical instrument body (10), and the frame (30) and the musical instrument body (10) are arranged opposite to each other; when the frame (30) is in the accommodated state, the frame (30) is located on the other side of the musical instrument body (10), so that the musical instrument body (10) is accommodated in the accommodating space (301) of the frame (30).

2. The detachable and foldable smart guitar according to claim 1, characterized in that: Both ends of the frame (30) are provided with connecting parts (310), and both ends of one side of the body (10) are provided with engaging grooves (110), so that the frame (30) and the body (10) can be detachably connected by being embedded in the engaging grooves (110) through the connecting parts (310).

3. The detachable and foldable smart guitar according to claim 2, characterized in that: One of the engagement grooves (110) close to the neck (20) is extended along the width direction of the neck (20), and the two ends of the engagement groove (110) along its extension direction are through-set, so that when the frame (30) is in an expanded state or a retracted state, the connecting portion (310) can be embedded in the engagement groove (110) to achieve a detachable connection.

4. The detachable and foldable smart guitar according to claim 3, characterized in that: One of the engagement grooves (110) away from the neck (20) is extended along the length direction of the neck (20), and one end of the engagement groove (110) away from the neck (20) is through-set, wherein both engagement grooves (110) are located on the back side of the body (10).

5. The detachable and foldable smart guitar according to claim 2, characterized in that: The engaging groove (110) is provided with a fixing hole (120), and the connecting portion (310) is correspondingly provided with a through hole (320) so that a screw (50) can pass through the through hole (320) and be inserted into the fixing hole (120) to achieve a detachable connection.

6. The detachable and foldable smart guitar according to claim 5, characterized in that: The fixing hole (120) is extended along the thickness direction of the instrument body (10), and a positioning boss (121) is provided at the outer end of the fixing hole (120). A countersunk hole (321) is provided at at least one end of the through hole (320). The countersunk hole (321) is coaxially arranged with the through hole (320), and the diameter of the countersunk hole (321) is larger than the diameter of the through hole (320), so that the positioning boss (121) is embedded in the countersunk hole (321) for positioning.

7. The detachable and foldable smart guitar according to claim 2, characterized in that: The frame (30) is a C-shaped structure formed by bending and extending a strip plate, so as to form the accommodating space (301) on the inner side of the frame (30), and the accommodating space (301) is adapted to the shape of the instrument body (10).

8. The detachable and foldable smart guitar according to claim 7, characterized in that: The frame (30) comprises an outer plate (330) and two transverse plates (340), wherein the two transverse plates (340) are respectively arranged at two ends of the outer plate (330), the width direction of the outer plate (330) is extended along the thickness direction of the piano body (10), the plate surface of the transverse plate (340) is arranged perpendicular to the plate surface of the outer plate (330), so that two connecting parts (310) are respectively formed at the ends of the two transverse plates (340), and the extension directions of the two connecting parts (310) are arranged perpendicularly.

9. The detachable and foldable smart guitar according to claim 5, characterized in that: The nuts of the two screws (50) are both provided with an annular groove (501) along the circumferential direction, and the annular groove (501) is used for fixing the strap of the guitar.

10. The detachable and foldable smart guitar according to any one of claims 1 to 8, characterized in that: The instrument further comprises an adapter (40), wherein the adapter (40) is arranged between the neck (20) and the body (10), and one end of the adapter (40) is pivotally connected to the neck (20) via a rotating shaft (410), and the other end of the adapter (40) is pivotally connected to the body (10) via a rotating shaft (410), and a recessed portion (130) is provided on the back of the body (10), and the recessed portion (130) is extended along the length direction of the neck (20) so that the neck (20) can be rotated and folded relative to the body (10) and then embedded in the recessed portion (130).

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