Supporting assembly and support

Abstract

The utility model relates to the technical field of electronic equipment accessories, in particular to a supporting assembly and a support. The supporting assembly comprises a rod body, a sliding sleeve, a sleeve, a connecting base and a supporting leg assembly, the sliding sleeve is slidably connected with the outer ring of the rod body, the sleeve is fixedly connected with the sliding sleeve and can slide relative to the rod body along with the sliding sleeve, the connecting base is fixedly arranged at one end of the rod body, the outer ring of the connecting base is smaller than or equal to the outer ring of the rod body, and the supporting leg assembly comprises a plurality of supporting legs. One end of each supporting leg is rotationally connected with the sliding sleeve, one end of each connecting rod is rotationally connected with the connecting base, the other end of each connecting rod is rotationally connected with the corresponding supporting leg, and when the supporting leg assembly is unfolded, the sleeve can abut against the connecting rods for limiting. By the adoption of the mode, a limiting structure does not need to be additionally arranged, the unfolding angle of the supporting foot assembly can be increased, and supporting stability is improved.

Description

Technical Field

[0001] This utility model relates to the field of electronic device accessories technology, and in particular to a support component and bracket. Background Technology

[0002] In daily life, people often use mobile phones, cameras, and other devices to take pictures. For better shooting results, selfie sticks are an essential shooting aid. They can not only extend the distance for selfies but also allow for easy adjustment of the shooting angle. Selfie sticks typically consist of a rod and a connecting platform hinged to the end of the rod for securing electronic devices such as mobile phones. The connecting platform can rotate relative to the rod to adjust the selfie angle.

[0003] To enhance the versatility of selfie sticks, some existing products combine a telescopic pole with a tripod. The tripod can be extended or retracted to suit a wider range of usage scenarios. When the tripod is extended outwards, the three legs can support the telescopic pole on the ground or other supports. When the leg assembly is folded inwards, the three legs come together to form a handle, making it easy to hold and carry.

[0004] The existing connection between the tripod and the telescopic pole requires an additional limiting structure to ensure the stability of the tripod after it is deployed. However, the setting of the limiting structure makes the center position too long after deployment, which affects the deployment angle of the tripod and is not conducive to improving stable support. Utility Model Content

[0005] The technical problem to be solved by this utility model embodiment is to provide a support component and bracket that does not require additional limiting structure, which is conducive to increasing the unfolding angle of the support component and improving the stability of the support.

[0006] This utility model discloses a support assembly, including: a rod body, a sliding sleeve, a sleeve, a connecting seat, and a foot assembly. The sliding sleeve is slidably connected to the outer ring of the rod body, and the sleeve is fixedly connected to the sliding sleeve and can slide relative to the rod body following the sliding sleeve. The connecting seat is fixedly disposed at one end of the rod body, and the outer ring of the connecting seat is smaller than or equal to the outer ring of the rod body. The foot assembly includes multiple supporting feet and multiple connecting rods corresponding to each supporting foot. One end of each supporting foot is rotatably connected to the sliding sleeve, one end of each connecting rod is rotatably connected to the connecting seat, and the other end of each connecting rod is rotatably connected to the corresponding supporting foot. When the foot assembly is unfolded, the sleeve can abut against and limit the movement of the connecting rod.

[0007] Optionally, a locking component is provided at the end of the support foot away from the sliding sleeve. The locking component is used to engage and lock with the connecting seat. An unlocking component is provided on the side of the connecting seat away from the rod body. The unlocking component is used to release the locking component from the connecting seat.

[0008] Optionally, the connecting seat includes a first seat body and a second seat body connected to each other. The first seat body is connected to the rod body. A connecting hole for rotatable connection with the connecting rod is formed between the first seat body and the second seat body. An avoidance groove is formed between the first seat body and the second seat body to avoid the connecting rod. A retaining part corresponding to the avoidance groove is provided on the second seat body so that when the support leg assembly is stored, the locking assembly engages and locks with the retaining part.

[0009] Optionally, the rod body is provided with a plurality of positioning holes, and the first base body is provided with a plurality of positioning protrusions corresponding one-to-one with the positioning holes, and the plurality of positioning protrusions are engaged with the plurality of positioning holes one-to-one.

[0010] Optionally, the support foot is provided with a mounting groove, the locking assembly includes a locking member, a first limiting member and a first elastic member, the first limiting member is fixedly connected to the support foot, the locking member is slidably connected to the mounting groove and the first limiting member respectively, the first elastic member is disposed between the support foot and the locking member, and the unlocking assembly is used to drive the locking member to release the locking from the holding part.

[0011] Optionally, the locking member includes a connecting portion, and a driven portion and a locking portion respectively disposed on the connecting portion. The supporting leg is provided with a first sliding groove corresponding to the driven portion, and the first limiting member is provided with a second sliding groove corresponding to the locking portion. The driven portion is slidably connected to the first sliding groove, and the driven portion can abut against the unlocking component. The locking portion passes through the second sliding groove and is slidably connected to the second sliding groove. The connecting portion is provided with a limiting hole. One end of the first elastic member is inserted into the limiting hole, and the other end of the first elastic member abuts against the stop portion on the supporting leg.

[0012] Optionally, the unlocking component includes an unlocking member and a second limiting member connected to the unlocking member. The unlocking member is slidably connected to the connecting seat. The unlocking member is also fitted with a second elastic member, which abuts between the unlocking member and the connecting seat. The second limiting member is capable of abutting against the side of the connecting seat opposite to the unlocking member.

[0013] Optionally, the unlocking component includes a sliding part and a pressing part connected to each other, the second elastic member is sleeved on the sliding part, the second limiting member is detachably connected to the end of the sliding part away from the pressing part, the two ends of the second elastic member abut against the second seat and the sliding part respectively, and the pressing part is provided with a locking protrusion corresponding to the driven part.

[0014] Optionally, the support leg is provided with a receiving groove, and when the support leg assembly is retracted, the connecting rod is received in the receiving groove.

[0015] This utility model also discloses a bracket, including the support component described in any one of the above.

[0016] Compared with the prior art, the beneficial effects of the support component and bracket provided in this utility model embodiment are as follows: The sliding sleeve is slidably connected to the outer ring of the rod, and the sleeve is fixedly connected to the sliding sleeve. During the unfolding of the support leg assembly, the sliding sleeve slides relative to the rod, and the sleeve slides synchronously with the sliding sleeve. Since the outer ring of the connecting seat is smaller than or equal to the outer ring of the rod, as the support leg assembly unfolds to its position, the sleeve can slide past the connection point between the connecting seat and the rod until the sleeve abuts against the connecting rod, thus forming a stable support relationship. The stability of the support can be guaranteed without the need for additional limiting structures. Furthermore, the support leg assembly includes multiple support legs and multiple connecting rods corresponding to each support leg. When the sleeve abuts against the connecting rod, one end of the sleeve abuts against the connecting rod, and simultaneously abuts against multiple connecting rods, ensuring the required structural strength. Using the above connection method, when the sleeves have the same length, the support leg assembly can unfold to a larger angle, improving the stability of the support. Attached Figure Description

[0017] The technical solution of this utility model will be further described in detail below with reference to the accompanying drawings and embodiments. In the accompanying drawings:

[0018] Figure 1 This is a structural schematic diagram of the support component in its unfolded state according to an embodiment of the present invention;

[0019] Figure 2 This is a schematic diagram of the connection between the rod and the connecting seat provided in an embodiment of the present invention;

[0020] Figure 3 This is an exploded view of the rod, connecting seat, and unlocking assembly provided in this embodiment of the utility model;

[0021] Figure 4 This is a cross-sectional schematic diagram of the support component in its stowed state according to an embodiment of the present utility model;

[0022] Figure 5 This is an exploded view of the support foot and locking assembly provided in an embodiment of this utility model.

[0023] The labels for the attached figures are as follows:

[0024] 100, Support assembly; 110, Rod body; 112, Positioning hole; 120, Sliding sleeve; 130, Sleeve; 140, Connecting seat; 142, First seat body; 1422, Connecting hole; 1424, Positioning protrusion; 144, Second seat body; 1442, Clearance groove; 1444, Holding part; 150, Support leg assembly; 152, Support leg; 1522, Mounting groove; 1524, First sliding groove; 1526, Stop part; 1528, Receiving groove; 154. Linkage rod; 160. Locking assembly; 162. Locking element; 1622. Connecting part; 1622a. Limiting hole; 1624. Driven part; 1626. Locking part; 164. First limiting element; 1642. Second slide groove; 166. First elastic element; 170. Unlocking assembly; 172. Unlocking element; 1722. Sliding part; 1724. Pressing part; 1724a. Locking protrusion; 174. Second limiting element; 176. Second elastic element. Detailed Implementation

[0025] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The preferred embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0026] like Figure 1 and Figure 2 As shown, this utility model embodiment provides a support assembly 100, including: a rod 110, a sliding sleeve 120, a sleeve 130, a connecting seat 140, and a foot assembly 150. The sliding sleeve 120 is slidably connected to the outer ring of the rod 110, and the sleeve 130 is fixedly connected to the sliding sleeve 120 and can slide relative to the rod 110 with the sliding sleeve 120. The connecting seat 140 is fixedly disposed at one end of the rod 110, and the outer ring of the connecting seat 140 is less than or equal to the outer ring of the rod 110. The foot assembly 150 includes a plurality of support feet 152 and a plurality of connecting rods 154 corresponding one-to-one with the support feet 152. One end of the support foot 152 is rotatably connected to the sliding sleeve 120, one end of the connecting rod 154 is rotatably connected to the connecting seat 140, and the other end of the connecting rod 154 is rotatably connected to the corresponding support foot 152. When the foot assembly 150 is unfolded, the sleeve 130 can abut against and limit the connecting rod 154.

[0027] Specifically, the rod 110 can be a telescopic rod, allowing it to be extended to a suitable length as needed when supporting electronic equipment, thus improving usability. Additionally, the sliding sleeve 120, which is slidably connected to the outer ring of the rod 110, and one end of the support foot 152, is rotatably connected to the sliding sleeve 120, allows the angle between the support foot 152 and the sliding sleeve 120 to change during the unfolding or retraction of the support foot assembly 150, ensuring the normal unfolding and retraction of the support foot 152. Simultaneously, one end of the connecting rod 154 is rotatably connected to the connecting seat 140, and the other end of the connecting rod 154 is rotatably connected to the corresponding support foot 152. During unfolding or retraction, this also allows the sliding sleeve 120 to slide relative to the rod 110, ensuring the normal unfolding or retraction of the support assembly 100.

[0028] The support assembly 100 provided in this embodiment is slidably connected to the outer ring of the rod 110 via a sliding sleeve 120. A sleeve 130 is fixedly connected to the sliding sleeve 120. During the deployment of the support leg assembly 150, the sliding sleeve 120 slides relative to the rod 110, and the sleeve 130 slides synchronously with the sliding sleeve 120. Since the outer ring of the connecting seat 140 is smaller than or equal to the outer ring of the rod 110, as the support leg assembly 150 is deployed, the sleeve 130 can slide past the connection point between the connecting seat 140 and the rod 110 until the sleeve 130 abuts against the connecting rod 154, forming a stable support relationship. The stability of the support can be guaranteed without the need for additional limiting structures. Furthermore, the support assembly 150 includes multiple support legs 152 and multiple connecting rods 154 corresponding to each support leg 152. When the sleeve 130 abuts against the connecting rods 154, the sleeve 130 abuts against one end of the connecting rod 154 and simultaneously abuts against multiple connecting rods 154, ensuring the required structural strength. Using this connection method, when the sleeves 130 have the same length, the support assembly 150 can be extended to a greater angle, improving the stability of the support.

[0029] like Figure 1 As shown, a locking component 160 is provided at the end of the support foot 152 away from the sliding sleeve 120. The locking component 160 is used to engage and lock with the connecting seat 140. An unlocking component 170 is provided on the side of the connecting seat 140 away from the rod body 110. The unlocking component 170 is used to release the locking component 160 from the connecting seat 140.

[0030] Specifically, by providing a locking component 160 at the end of the support leg 152 away from the sliding sleeve 120, the locking component 160 can engage and lock with the connecting seat 140 when the support leg assembly 150 is retracted, ensuring the stability of the support assembly 100 in the retracted state and preventing accidental unfolding. When it is necessary to unfold the support assembly 100, the locking component 160 can be released from the connecting seat 140 by unlocking component 170. This structural design helps ensure stability in the retracted state and facilitates unlocking, thus improving ease of use.

[0031] like Figure 2 and Figure 3 As shown, the connecting seat 140 includes a first seat body 142 and a second seat body 144 connected to each other. The first seat body 142 is connected to the rod body 110. A connecting hole 1422 for rotatably connecting with the connecting rod 154 is formed between the first seat body 142 and the second seat body 144. A clearance groove 1442 is formed between the first seat body 142 and the second seat body 144 to allow the connecting rod 154 to pass. A retaining part 1444 corresponding to the clearance groove 1442 is provided on the second seat body 144 so that when the support leg assembly 150 is stored, the locking assembly 160 engages with the retaining part 1444 to lock it.

[0032] Specifically, the connecting seat 140, through the interconnected first seat 142 and second seat 144, facilitates the connection of the connecting rod 154 at the connection point of the first seat 142 and the second seat 144. In practical applications, the first seat 142 and the second seat 144 can be connected by screws. The connecting hole 1422 can be provided on either the first seat 142 or the second seat 144, or a portion of the connecting hole 1422 can be provided on both the first seat 142 and the second seat 144, so that the connecting hole 1422 is formed after the first seat 142 and the second seat 144 are combined. Before connecting and fixing the first seat 142 and the second seat 144, the connecting rod 154 needs to be aligned with the connecting hole 1422. In this way, after the first seat 142 and the second seat 144 are connected, a stable connection relationship can be formed between the connecting rod 154 and the connecting seat 140. Furthermore, a clearance groove 1442 is formed between the first seat 142 and the second seat 144, which prevents interference with the rod 110 when the connecting rod 154 is retracted or extended relative to the rod 110, thus ensuring the normal operation of the rod 110. Simultaneously, the space exposed in the clearance groove 1442 when the connecting rod 154 is retracted relative to the rod 110 allows the locking assembly 160 to extend into and engage with the latching part 1444 for locking, thereby improving the tightness of the connection.

[0033] like Figure 3As shown, the rod body 110 is provided with multiple positioning holes 112, and the first base body 142 is provided with multiple positioning protrusions 1424 corresponding to the positioning holes 112 one by one. The multiple positioning protrusions 1424 are engaged with the multiple positioning holes 112 one by one.

[0034] Using the above method, when connecting the rod 110 and the base, it is only necessary to insert the first base 142 into the rod 110 and make the positioning hole 112 correspond to the positioning protrusion 1424. This allows multiple positioning protrusions 1424 to be engaged with multiple positioning holes 112 one by one, thereby achieving the connection between the two. The above connection method is simple and convenient, which helps to improve the convenience of connection.

[0035] like Figure 4 and Figure 5 As shown, the support foot 152 is provided with a mounting groove 1522. The locking assembly 160 includes a locking member 162, a first limiting member 164 and a first elastic member 166. The first limiting member 164 is fixedly connected to the support foot 152. The locking member 162 is slidably connected to the mounting groove 1522 and the first limiting member 164 respectively. The first elastic member 166 is disposed between the support foot 152 and the locking member 162. The unlocking assembly 170 is used to drive the locking member 162 to release the lock from the latching part 1444.

[0036] Specifically, the locking member 162 is positioned at the mounting groove 1522 on the support leg 152 and fixed to the support leg 152 by the first limiting member 164, allowing the locking member 162 to slide with both the mounting groove 1522 and the first limiting member 164. Furthermore, the first elastic member 166 connecting the support leg 152 and the locking member 162, which can be a compression spring, provides an elastic force towards the end of the support leg 152, facilitating the locking of the locking member 162 with the latching part 1444. When unlocking is required, the unlocking assembly 170 overcomes the elastic force of the first elastic member 166, pushing the locking member 162 in the opposite direction and releasing it from the latching part 1444.

[0037] like Figure 5As shown, the locking member 162 includes a connecting portion 1622, and a driven portion 1624 and a locking portion 1626 respectively disposed on the connecting portion 1622. The support foot 152 is provided with a first sliding groove 1524 corresponding to the driven portion 1624, and the first limiting member 164 is provided with a second sliding groove 1642 corresponding to the locking portion 1626. The driven portion 1624 is slidably connected to the first sliding groove 1524, and the driven portion 1624 can abut against the unlocking component 170. The locking portion 1626 passes through the second sliding groove 1642 and is slidably connected to the second sliding groove 1642. The connecting portion 1622 is provided with a limiting hole 1622a. One end of the first elastic member 166 is inserted into the limiting hole 1622a, and the other end of the first elastic member 166 abuts against the stop portion 1526 on the support foot 152.

[0038] Specifically, the locking member 162 is limited between the mounting groove 1522 and the first limiting member 164 via the connecting portion 1622. When the locking member 162 slides relative to the mounting groove 1522, the driven portion 1624 and the locking portion 1626 can move synchronously with the connecting portion 1622. At the same time, the driven portion 1624 is slidably connected to the first slide groove 1524 and can abut against the unlocking component 170. The locking portion 1626 passes through the second slide groove 1642 and is slidably connected to the second slide groove 1642, which helps to ensure the stability of the locking member 162 when sliding. In this way, when the unlocking component 170 pushes the driven portion 1624 to move the locking member 162, it helps to ensure the stability of the movement. In addition, one end of the first elastic member 166 is inserted into the limiting hole 1622a, and the other end of the first elastic member 166 abuts against the stop portion 1526 on the support foot 152, which can limit the first elastic member 166 and prevent the first elastic member 166 from leaving the installation position when subjected to force, which helps to ensure stability during use.

[0039] like Figure 3 and Figure 4 As shown, the unlocking component 170 includes an unlocking member 172 and a second limiting member 174 connected to the unlocking member 172. The unlocking member 172 is slidably connected to the connecting seat 140. A second elastic member 176 is also sleeved on the unlocking member 172. The second elastic member 176 abuts between the unlocking member 172 and the connecting seat 140, and the second limiting member 174 can abut against the side of the connecting seat 140 opposite to the unlocking member 172.

[0040] Specifically, the second limiting member 174 can be a screw. In practical applications, the screw can be connected to the unlocking member 172 to achieve the required limiting function through the screw nut. This prevents the unlocking member 172 from detaching from the connecting seat 140 when they are slidably connected. Additionally, the second elastic member 176 abuts between the unlocking member 172 and the connecting seat 140. The second elastic member 176 can be a compression spring. Under the action of the second elastic member 176, the unlocking member 172 and the connecting seat 140 can slide to a state of separation. At this time, pressing the unlocking member 172 will bring it closer to the connecting seat 140, causing the locking member 162 to move and thus unlocking the device. Without external interference, the unlocking member 172 and the connecting seat 140 can return to their separated state without affecting the locking member 162.

[0041] like Figure 3 As shown, the unlocking member 172 includes a sliding part 1722 and a pressing part 1724 connected to each other. A second elastic member 176 is sleeved on the sliding part 1722. A second limiting member 174 is detachably connected to one end of the sliding part 1722 away from the pressing part 1724. The two ends of the second elastic member 176 abut against the second seat 144 and the sliding part 1722 respectively. The pressing part 1724 is provided with a locking protrusion 1724a corresponding to the driven part 1624.

[0042] Specifically, when the second limiting member 174 is a screw, it can be directly threaded to the sliding part 1722 to achieve a detachable connection between the second limiting member 174 and the end of the sliding part 1722 away from the pressing part 1724. Simultaneously, the second elastic member 176 is sleeved on the sliding part 1722, which limits the movement of the second elastic member 176 and improves the compactness of the connection, ensuring a stable connection and reducing the space occupied. The pressing part 1724 is used to press and drive the unlocking member 172 to move. When pressed, the sliding part 1722 slides relative to the mounting base. At this time, the latching protrusion 1724a on the pressing part 1724, corresponding to the driven part 1624, abuts against the driven part 1624 to push the locking member 162 to move and engage with the mounting base for locking.

[0043] like Figure 5 As shown, the support leg 152 is provided with a receiving groove 1528. When the support leg assembly 150 is stored, the connecting rod 154 is received in the receiving groove 1528.

[0044] By adopting the above form, when the support assembly 150 is stored, the connecting rod 154 can be accommodated in the receiving groove 1528, thereby reducing the space occupied by the support assembly 100 and improving portability.

[0045] This utility model also discloses a bracket, including the support component 100 in the foregoing embodiments. This bracket has the same structure and beneficial effects as the support component 100 in the foregoing embodiments. The structure and beneficial effects of the support component 100 have been described in detail in the foregoing embodiments and will not be repeated here.

[0046] It should be understood that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some of the technical features; and all such modifications and substitutions should fall within the protection scope of the appended claims of this utility model.

Claims

1. A support assembly, characterized by, The utility model provides a support foot locking mechanism of telescopic rod, including: The utility model discloses a telescopic rod, a sliding sleeve, a sleeve, a connecting seat and a support foot assembly, the sliding sleeve is connected with the outer ring of the rod body and slides, the sleeve is fixedly connected with the sliding sleeve and can slide with the sliding sleeve relative to the rod body, the connecting seat is fixedly arranged at one end of the rod body, and the outer ring of the connecting seat is less than or equal to the outer ring of the rod body, the support foot assembly includes a plurality of support feet and a plurality of connecting rods corresponding to the support feet, one end of the support foot is rotatably connected with the sliding sleeve, one end of the connecting rod is rotatably connected with the connecting seat, and the other end of the connecting rod is rotatably connected with the corresponding support foot, when the support foot assembly is unfolded, the sleeve can be limited with the connecting rod.

2. The support assembly of claim 1, wherein, The end of the support foot away from the sliding sleeve is provided with a locking assembly, the locking assembly is used for locking with the connecting seat, the side of the connecting seat away from the rod body is provided with an unlocking assembly, and the unlocking assembly is used for unlocking the locking of the locking assembly and the connecting seat.

3. The support assembly of claim 2, wherein, The connecting seat includes a first seat body and a second seat body connected with each other, the first seat body is connected with the rod body, a connecting hole rotatably connected with the connecting rod is formed between the first seat body and the second seat body, and an avoiding groove is formed between the first seat body and the second seat body for avoiding the connecting rod, the second seat body is provided with a clamping part corresponding to the avoiding groove, so that when the support foot assembly is stored, the locking assembly is locked with the clamping part.

4. The support assembly of claim 3, wherein, A plurality of positioning holes are arranged on the rod body, a plurality of positioning convexes corresponding to the positioning holes are arranged on the first seat body, and the plurality of positioning convexes and the plurality of positioning holes are clamped one by one.

5. The support assembly of claim 4, wherein, An installation groove is arranged on the support foot, the locking assembly includes a locking piece, a first limiting piece and a first elastic piece, the first limiting piece is fixedly connected with the support foot, the locking piece is slidably connected with the installation groove and the first limiting piece respectively, the first elastic piece is arranged between the support foot and the locking piece, and the unlocking assembly is used for driving the locking piece to unlock the clamping part.

6. The support assembly of claim 5, wherein, The locking piece includes a connecting part, a driven part and a locking part arranged on the connecting part respectively, a first sliding groove corresponding to the driven part is arranged on the support foot, a second sliding groove corresponding to the locking part is arranged on the first limiting piece, the driven part is slidably connected with the first sliding groove, and the driven part can be abutted with the unlocking assembly, the locking part passes through the second sliding groove and is slidably connected with the second sliding groove, a limiting hole is arranged on the connecting part, one end of the first elastic piece is inserted into the limiting hole, and the other end of the first elastic piece is abutted with a stop part on the support foot.

7. The support assembly of claim 6, wherein, The unlocking assembly includes an unlocking piece and a second limiting piece connected with the unlocking piece, the unlocking piece is slidably connected with the connecting seat, a second elastic piece is further sleeved on the unlocking piece, the second elastic piece is abutted between the unlocking piece and the connecting seat, and the second limiting piece can be abutted with the side of the connecting seat away from the unlocking piece.

8. The support assembly of claim 7, wherein, The unlocking piece comprises a sliding part and a pressing part connected with each other, the second elastic piece is sleeved on the sliding part, the second limiting piece is detachably connected with one end of the sliding part away from the pressing part, and the two ends of the second elastic piece abut against the second seat body and the sliding part respectively, and the pressing part is provided with a clamping convex corresponding to the driven part.

9. The support assembly of any of claims 1-8, wherein, The support leg is provided with a containing groove, and the connecting rod is contained in the containing groove when the support leg assembly is received.

10. A stent, characterized by The support assembly comprises the support assembly according to any one of claims 1-9.

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