A hydraulic photography support convenient to use

Abstract

The utility model discloses a kind of hydraulic photography support of convenient use, including support seat and multiple telescopic legs rotatably connected on support seat, a set of hydraulic locking assembly is arranged on each telescopic leg, further including hydraulic control handle, hydraulic control handle is installed on any telescopic leg and is connected with multiple hydraulic locking assembly, hydraulic control handle is used to unlock or lock hydraulic locking assembly, hydraulic control handle can be rotated outward and unfolded simultaneously with telescopic leg or simultaneously rotated inward and folded;Through the above structure, the hydraulic control handle can be unfolded or folded synchronously with the telescopic leg, not only reduces the space occupied by the hydraulic photography support in the folded state, but also improves the convenience of using the hydraulic photography support, meets the use requirement.

Description

TECHNICAL FIELD

[0001] The utility model relates to photographic equipment field, especially quick -witted liquid pressure photographic support of using. BACKGROUND

[0002] With the improvement of living standards, more and people love photography, in order to pursue higher and more exquisite still or sports photography level, usually will adopt support to support the shooting equipment, in some photographic support, will adopt hydraulic mechanism to realize one-key type telescopic to support foot, such as the hydraulic control through hydraulic handle is disclosed in the utility model patent 2024114860933, but the hydraulic handle is independent structure, and is connected on the support seat, at the same time, in order to reduce the occupation of space in the state of folding, the hydraulic handle and the support seat are rotationally connected.

[0003] But this photographic support when using, the hydraulic handle is independent action, that is, after the outward expansion of multiple support feet, still need to outwardly rotate the hydraulic handle to operate, and after the folding of multiple support feet, need to inwardly rotate the hydraulic handle to fold and hide, there is the inconvenience of use defect, therefore, the hydraulic photographic support that can reduce space occupation and convenient operation is urgently needed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at at least one of the technical problems existing in the prior art. To this end, the utility model provides a hydraulic photographic support convenient to use.

[0005] The utility model provides a hydraulic photographic support convenient to use, which comprises a support seat and a plurality of telescopic legs rotationally connected to the support seat, a set of hydraulic locking assemblies is arranged on each telescopic leg, a hydraulic control handle is arranged on any telescopic leg and connected to the plurality of hydraulic locking assemblies, the hydraulic control handle is used for unlocking or locking the hydraulic locking assemblies, and the hydraulic control handle can be rotated outward together with the telescopic leg to be unfolded or rotated inward together with the telescopic leg to be folded.

[0006] As one of the preferred embodiments of the utility model, the hydraulic control handle comprises a seat body, a first plunger, a liquid guide pipe and a trigger.

[0007] The seat body is arranged on any telescopic leg, and a liquid storage cavity and a liquid outlet communicating with the liquid storage cavity are arranged in the seat body, and the liquid storage cavity is filled with hydraulic medium.

[0008] The first plunger is arranged in the liquid storage cavity.

[0009] One end of the liquid guide pipe communicates with the liquid outlet, and the other end communicates with the hydraulic locking assembly.

[0010] The trigger is rotationally connected to the seat body and has a first position and a second position which can be switched to each other.

[0011] When the trigger is switched from the first position to the second position, the first plunger is pushed to slide in the liquid storage cavity, so that the hydraulic medium is extruded into the liquid guide pipe through the liquid outlet; or when the trigger is switched from the second position to the first position, the force acting on the first plunger is removed, so that the hydraulic medium flows back to the liquid storage cavity through the liquid outlet.

[0012] As one of the preferred embodiments of the utility model, the trigger is connected to the seat body through a clutch structure, so that the trigger has an operating state and a folding state, the trigger can be switched between the first position and the second position when in the operating state, and the trigger is close to or abuts against the telescopic leg when in the folding state.

[0013] As one of the preferred embodiments of the utility model, the clutch structure comprises a clutch block, a top block, a first elastic member and a second elastic member.

[0014] The clutch block is movably arranged on the trigger and has a third position and a fourth position, and an empty slot is arranged on the clutch block;

[0015] The top block is movably arranged on the trigger and abuts against the first plunger;

[0016] The first elastic member abuts against the clutch block and the trigger respectively, and is used for driving the clutch block to switch from the fourth position to the third position;

[0017] The second elastic member abuts against the top block and the trigger respectively, and is used for driving the top block to reset;

[0018] The top block can abut against the outer wall of the clutch block when the clutch block is in the third position, so that the trigger enters the operating state; or the top block can extend into the empty slot when the clutch block is in the fourth position, so that the trigger enters the folding state.

[0019] As one of the preferred embodiments of the utility model, the hydraulic photography support convenient to use further comprises a power assisting structure connected between the seat body and the trigger, and used for providing power assistance when the trigger is switched from the operating state to the folding state.

[0020] As one of the preferred embodiments of the utility model, the power assisting structure comprises a third elastic member and a push block, an installation slot is arranged on the seat body, one end of the third elastic member abuts against the installation slot, the other end of the third elastic member is connected with one end of the push block, the other end of the push block abuts against the trigger, and the elastic force of the third elastic member is greater than the elastic force of the second elastic member.

[0021] As one of the preferred embodiments of the utility model, a waist-shaped slot extending along the elastic force direction of the second elastic member is arranged on the top block, and a limiting part extending into the waist-shaped slot is arranged on the trigger.

[0022] As one of preferred embodiments of the utility model, the seat body is provided with a pressure relief cavity communicated with the liquid storage cavity through a pressure relief hole, and further comprises a fourth elastic member and a second plunger arranged in the pressure relief cavity, one end of the fourth elastic member is in abutment with the side of the second plunger away from the pressure relief hole, and the other end is in abutment with the pressure relief cavity.

[0023] As one of preferred embodiments of the utility model, the hydraulic photography support convenient to use further comprises a threaded plug connected with the seat body and sealing the pressure relief cavity, and the other end of the fourth elastic member is in abutment with the threaded plug.

[0024] As one of preferred embodiments of the utility model, the supporting seat is provided with a wiring groove, the wiring groove is provided with a wire inlet arranged opposite to the telescopic leg and a plurality of wire outlets, the liquid guide pipe is arranged in the wire inlet, the wiring groove and the wire outlet and connected with the hydraulic locking assembly.

[0025] The utility model discloses a hydraulic photography support convenient to use, including supporting seat and a plurality of telescopic legs of rotation connection on supporting seat, be provided with a group of hydraulic locking assembly on each telescopic leg, further including hydraulic control handle, hydraulic control handle is installed on any telescopic leg and is connected with a plurality of hydraulic locking assembly, and hydraulic control handle is used for unlocking or locking to hydraulic locking assembly, and hydraulic control handle can rotate outward and spread or rotate inward and fold simultaneously with telescopic leg, and the hydraulic control handle can spread or fold synchronously with telescopic leg through above -mentioned structure, not only reduces the space occupied by hydraulic photography support in the folding state, but also improves the convenience of use of hydraulic photography support, satisfies the use demand. BRIEF DESCRIPTION OF DRAWINGS

[0026] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0027] Figure 1 It is a kind of schematic diagram of the structure of the hydraulic photography support convenient to use;

[0028] Figure 2 It is the first exploded view of the hydraulic photography support convenient to use;

[0029] Figure 3 It is Figure 2 It is the local enlarged view of area A in figure 6;

[0030] Figure 4 It is the sectional view of the hydraulic photography support convenient to use;

[0031] Figure 5 It is the first exploded view of the hydraulic photography support convenient to use;

[0032] Figure 6 It is Figure 5A local enlarged view of the middle B region. DETAILED DESCRIPTION

[0033] This part will describe the specific embodiments of the utility model in detail, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the written part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0034] In the description of the utility model, the meaning of multiple is more than two, greater than, less than, more than, etc. is not included in the number, above, below, etc. is included in the number. If it is described as first, second, it is only used for distinguishing technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0035] In the description of the utility model, it is understood that the position description, such as the position or location relationship indicated by up, down, front, back, left, right, etc. is based on the position or location relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not used to indicate or imply that the device or element indicated must have a specific position, be constructed and operated in a specific position, so it cannot be understood as a limitation on the utility model.

[0036] In the utility model, unless otherwise explicitly limited, the words such as "set", "install", "connect" should be understood broadly, for example, it can be directly connected, or indirectly connected through an intermediate medium; it can be fixedly connected, or detachably connected, or integrally formed; it can be mechanically connected; it can be the communication or interaction relationship between two elements. The skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0037] Reference Figures 1 to 6 A convenient hydraulic photography support, comprising a supporting seat 100 and a plurality of telescopic legs 200 rotatably connected to the supporting seat 100, a set of hydraulic locking assemblies 300 is arranged on each telescopic leg 200, further comprising a hydraulic control handle 400, the hydraulic control handle 400 is installed on any telescopic leg 200 and connected with the plurality of hydraulic locking assemblies 300, the hydraulic control handle 400 is used for unlocking or locking the hydraulic locking assemblies 300, and the hydraulic control handle 400 can be simultaneously rotated outward and unfolded or simultaneously rotated inward and folded with the telescopic leg 200.

[0038] 1、Reference Figure 1 And 5In the utility model, support seat 100 is preferably three cutting seats, and telescopic legs 200 are provided as three, telescopic legs 200 have a plurality of telescopic pipes, a first telescopic structure is formed between adjacent two telescopic pipes and is unlocked or locked through hydraulic locking assembly 300, it needs to be explained that hydraulic locking assembly 300 can adopt the locking assembly in the prior art, such as Chinese utility model patent----supporting leg assembly and telescopic support (application number 2024114946614) and the like, and here, no repeated description is made;When using, the photographic equipment is installed on support seat 100, when the photographic support needs to be unfolded, first, three telescopic legs 200 are rotated outward and opened to the required angle, since hydraulic control handle 400 is installed on telescopic leg 200, it will be unfolded synchronously when telescopic leg 200 is unfolded, at this time, hydraulic control handle 400 is operated again to control hydraulic locking assembly 300 on three telescopic legs 200 to be unlocked, and a plurality of telescopic pipes on telescopic leg 200 are unfolded to meet the height requirement when shooting;After being unfolded to the required height, hydraulic control handle 400 is operated again to control hydraulic locking assembly 300 on three telescopic legs 200 to be locked, and the unfolded state is fixed;When the photographic support needs to be folded, hydraulic control handle 400 is operated to control hydraulic locking assembly 300 on three telescopic legs 200 to be unlocked, and a plurality of telescopic pipes on telescopic leg 200 are folded, after being completely folded, hydraulic control handle 400 is operated again to control hydraulic locking assembly 300 on three telescopic legs 200 to be locked, and the folded state is fixed, and finally, a plurality of telescopic legs 200 are rotated inward and folded, since hydraulic control handle 400 is installed on telescopic leg 200, it will be folded synchronously when telescopic leg 200 is folded.

[0039] 2, refer to Figures 1-4 In some embodiments, hydraulic control handle 400 includes seat body 410, first plunger 420, liquid guide pipe 430 and trigger 440;Seat body 410 is installed on any telescopic leg 200, and a liquid storage cavity 411 and a liquid outlet 412 communicating with the liquid storage cavity 411 are arranged in the seat body 410, and hydraulic medium is filled in the liquid storage cavity 411;First plunger 420 is arranged in the liquid storage cavity 411;One end of liquid guide pipe 430 communicates with liquid outlet 412, and the other end communicates with hydraulic locking assembly 300;Trigger 440 is rotationally connected to seat body 410 and has a first position and a second position that can be switched with each other;When trigger 440 is switched from the first position to the second position, first plunger 420 is pushed and slides in the liquid storage cavity 411, so that the hydraulic medium is extruded into liquid guide pipe 430 through liquid outlet 412;Or when trigger 440 is switched from the second position to the first position, the force acting on first plunger 420 is removed, so that the hydraulic medium flows back to the liquid storage cavity 411 through the liquid outlet 412.

[0040] With the hydraulic control handle 400 controlling the hydraulic locking assembly 300 to be unlocked as an example, specifically, in the initial state, the trigger 440 is away from the telescopic leg 200 and is in the first position, when the trigger 440 is switched from the first position to the second position (i.e. the trigger 440 moves towards the telescopic leg 200), the trigger 440 will push the first plunger 420 to slide in the liquid storage cavity 411, and then extrude the hydraulic medium in the liquid storage cavity 411 to overflow through the liquid outlet 412 and enter the liquid guide pipe 430, and then along the liquid guide pipe 430 to perform hydraulic unlocking on the hydraulic locking assembly 300; when the telescopic leg 200 is unfolded to the position, the trigger 440 is released, the first plunger 420 loses external power and resets under the pressure of the hydraulic medium, of course, in order to ensure the stability of the reset of the first plunger 420, the fifth elastic member 450 can be arranged in the liquid storage cavity 411 to provide the reset power, at this time, the trigger 440 is switched from the second position to the first position again.

[0041] 3. With reference to Figures 1-4 In some embodiments, the trigger 440 is connected with the seat body 410 through the clutch structure 500, so that the trigger 440 has an operating state and a folding state, the trigger 440 can be switched between the first position and the second position when in the operating state, and the trigger 440 is close to or abuts against the telescopic leg 200 when in the folding state; as a preferred embodiment of the clutch structure 500, the clutch structure 500 includes a clutch block 510, a top block 520, a first elastic member 530 and a second elastic member 540; the clutch block 510 is movably arranged on the trigger 440 and has a third position and a fourth position, and the clutch block 510 is provided with an empty slot 511; the top block 520 is movably arranged on the trigger 440 and abuts against the first plunger 420; the first elastic member 530 abuts against the clutch block 510 and the trigger 440 respectively, and is used for driving the clutch block 510 to switch from the fourth position to the third position; the second elastic member 540 abuts against the top block 520 and the trigger 440 respectively, and is used for driving the top block 520 to reset; the top block 520 can abut against the outer wall of the clutch block 510 when the clutch block 510 is in the third position, so that the trigger 440 enters the operating state; or the top block 520 can extend into the empty slot 511 when the clutch block 510 is in the fourth position, so that the trigger 440 enters the folding state.

[0042] Specifically, taking the example of switching the trigger 440 from the operating state to the folding state, when the trigger 440 is in the operating state, the clutch block 510 is in the third position, and the top block 520 abuts against the outer wall of the clutch block 510 at this time. When the trigger 440 is pressed, the clutch block 510 will be driven to drive the top block 520 to move towards the first plunger 420, thereby causing the hydraulic medium in the liquid storage cavity 411 to overflow through the liquid outlet 412 and enter the liquid guide pipe 430, and then follow the liquid guide pipe 430 to hydraulically unlock the hydraulic locking assembly 300; when it is needed to fold the photographic support, the clutch block 510 is first pressed to switch from the third position to the fourth position, so that the top block 520 will enter the empty slot 511 on the clutch block 510, and then the trigger 440 is pressed again, which will increase the depth of the top block 520 extending into the empty slot 511, and the second elastic member 540 is compressed until the trigger 440 is close to or attached to the telescopic leg 200 Figure 4 , thereby reducing the angle of the trigger 440 opening outward, i.e., further reducing the space occupied by the photographic support when it is folded; it should be noted that the intervention of external force is needed to overcome the friction between the parts and the elastic force of the second elastic member 540 when the trigger 440 enters the folding state, and the second elastic member 540 can drive the top block 520 to reset when the trigger 440 enters the operating state, i.e., drive the top block 520 to disengage from the empty slot 511, so that the clutch block 510 can enter the third position from the fourth position under the drive of the first elastic member 530.

[0043] 4. With reference to Figures 1-4 In some embodiments, the hydraulic photographic support for convenient use further comprises a power assisting structure 600 connected between the seat body 410 and the trigger 440. As a preferred embodiment of the power assisting structure 600, the power assisting structure 600 comprises a third elastic member 610 and a push block 620. The seat body 410 is provided with a mounting groove 630, one end of the third elastic member 610 abuts against the mounting groove 630, the other end of the third elastic member 610 is connected with one end of the push block 620, the other end of the push block 620 abuts against the trigger 440, and the elastic force of the third elastic member 610 is greater than that of the second elastic member 540. The power assisting structure 600 not only provides power when the trigger 440 is switched from the operating state to the folding state, but also enables the trigger 440 to remain in the folding state to avoid the trigger 440 from returning to the operating state.

[0044] 5. With reference to Figures 1-4 In some embodiments, the top block 520 is provided with a waist-shaped slot 521 extending in the direction of the elastic force of the second elastic member 540, and the trigger 440 is provided with a limiting portion 522 extending into the waist-shaped slot 521. The limiting portion 522 and the waist-shaped slot 521 cooperate to limit the movement of the top block 520, which can prevent the top block 520 from disengaging from the slot on the trigger 440 and also limit the movement stroke of the top block 520.

[0045] 6. Refer to Figures 1-4 In some embodiments, the seat body 410 is provided with a pressure relief cavity 720 in communication with the liquid storage cavity 411 through a pressure relief hole 710, and further comprises a fourth elastic member 730 arranged in the pressure relief cavity 720 and a second plunger 740, one end of the fourth elastic member 730 abuts against the side of the second plunger 740 away from the pressure relief hole 710, and the other end abuts against the pressure relief cavity 720; because the user may use excessive force when operating the trigger 440, thereby causing excessive pressure on the components and causing damage to the components, the arrangement can allow the hydraulic medium to enter the pressure relief cavity 720 through the pressure relief hole 710 when the pressure is too large, and be absorbed by the fourth elastic member 730, thereby avoiding excessive pressure in the liquid storage cavity 411 and the liquid guide pipe 430.

[0046] In further embodiments, a conveniently used hydraulic photography support further comprises a threaded plug 750 connected with the seat body 410 and sealing the pressure relief cavity 720, and the other end of the fourth elastic member 730 abuts against the threaded plug 750; the threaded plug 750 is used to limit the fourth elastic member 730 and the second plunger 740, and can further seal the pressure relief cavity 720 together with the outer cover and the bolt.

[0047] 7. Refer to Figures 5-6 In some embodiments, the support seat 100 is provided with a wiring slot 110, the wiring slot 110 is provided with a wire inlet 120 arranged opposite to the telescopic leg 200 and a plurality of wire outlets, and the liquid guide pipe 430 is arranged in the wire inlet 120, the wiring slot 110 and the wire outlets and connected with the hydraulic locking assembly 300; the arrangement forms a space for wiring of multiple liquid guide pipes 430, and the number of the liquid guide pipes 430 is matched with the number of the telescopic legs 200, in the embodiment where the number of the telescopic legs 200 is three, the wire inlet 120 is one, and the wire outlets are two, wherein the wire inlet 120 is arranged opposite to the telescopic leg 200 connected with the hydraulic control handle 400, two liquid guide pipes 430 enter the wiring slot 110 through the wire inlet 120, and then extend out of one wire outlet respectively, until they are connected with the hydraulic locking assemblies 300 on the other two telescopic legs 200 respectively; further, a cover plate 800 is arranged to seal the wiring slot 110.

[0048] 8. The utility model discloses the advantage lies in: through above -mentioned structure can make the hydraulic control handle can follow telescopic leg synchronous development or contract, not only reduce the space that hydraulic photography support occupies under the contract state, and improve the convenience of use of hydraulic photography support, satisfy the demand of use.

[0049] Of course, the utility model is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent transformations or replacements without departing from the spirit of the utility model, and these equivalent transformations and replacements are all included in the range defined by the claims of the application.

Claims

1. A convenient hydraulic photography bracket, comprising a support base (100) and a plurality of telescopic feet (200) rotatably connected to the support base (100), each of the telescopic feet (200) being provided with a set of hydraulic locking components (300), characterized in that: It also includes a hydraulic control handle (400), which is mounted on any of the telescopic feet (200) and connected to a plurality of the hydraulic locking assemblies (300). The hydraulic control handle (400) is used to unlock or lock the hydraulic locking assemblies (300). The hydraulic control handle (400) can be rotated outward to unfold or rotated inward to retract simultaneously with the telescopic feet (200).

2. The convenient hydraulic photography bracket according to claim 1, characterized in that: The hydraulic control handle (400) includes a base (410), a first plunger (420), a fluid guide tube (430), and a trigger (440); The seat (410) is mounted on any of the telescopic feet (200) and has a liquid storage chamber (411) and a liquid outlet (412) communicating with the liquid storage chamber (411). The liquid storage chamber (411) is filled with hydraulic medium. The first plunger (420) is disposed within the liquid storage chamber (411); One end of the liquid guide tube (430) is connected to the liquid outlet (412), and the other end is connected to the hydraulic locking assembly (300); The trigger (440) is rotatably connected to the base (410) and has a first position and a second position that can be switched between each other; When the trigger (440) switches from the first position to the second position, it pushes the first plunger (420) to slide in the reservoir (411) so that the hydraulic medium is squeezed out through the outlet (412) into the guide tube (430); or when the trigger (440) switches from the second position to the first position, it removes the force on the first plunger (420) so that the hydraulic medium flows back to the reservoir (411) through the outlet (412).

3. The convenient hydraulic photography bracket according to claim 2, characterized in that: The trigger (440) is connected to the base (410) via a clutch structure (500) so that the trigger (440) has an operating state and a retracted state. When the trigger (440) is in the operating state, it can switch between the first position and the second position. When the trigger (440) is in the retracted state, it is close to or against the telescopic foot (200).

4. The convenient hydraulic photography bracket according to claim 3, characterized in that: The clutch structure (500) includes a clutch block (510), a top block (520), a first elastic element (530), and a second elastic element (540); The clutch block (510) is movably mounted on the trigger (440) and has a third position and a fourth position. The clutch block (510) is provided with a clearance groove (511). The top block (520) is movably mounted on the trigger (440) and abuts against the first plunger (420); The first elastic element (530) abuts against the clutch block (510) and the trigger (440) respectively, and is used to drive the clutch block (510) to switch from the fourth position to the third position; The second elastic element (540) abuts against the top block (520) and the trigger (440) respectively, and is used to drive the top block (520) to reset; The top block (520) can abut against the outer wall of the clutch block (510) when the clutch block (510) is in the third position, so that the trigger (440) enters the operating state; or the top block (520) can extend into the clearance groove (511) when the clutch block (510) is in the fourth position, so that the trigger (440) enters the retracted state.

5. The convenient hydraulic photography bracket according to claim 4, characterized in that: It also includes an assist structure (600) connected between the base (410) and the trigger (440) for providing assistance when the trigger (440) switches from an operating state to a closed state.

6. The convenient hydraulic photography bracket according to claim 5, characterized in that: The assist structure (600) includes a third elastic element (610) and a push block (620). The seat (410) is provided with a mounting groove (630). One end of the third elastic element (610) abuts against the mounting groove (630), and the other end of the third elastic element (610) is connected to one end of the push block (620). The other end of the push block (620) abuts against the trigger (440). The elastic force of the third elastic element (610) is greater than the elastic force of the second elastic element (540).

7. The convenient hydraulic photography bracket according to claim 4, characterized in that: The top block (520) is provided with a waist-shaped groove (521) extending along the elastic direction of the second elastic member (540), and the trigger (440) is provided with a limiting part (522) extending into the waist-shaped groove (521).

8. The convenient hydraulic photography bracket according to claim 2, characterized in that: The seat (410) is provided with a pressure relief chamber (720) that communicates with the liquid storage chamber (411) through a pressure relief hole (710). It also includes a fourth elastic element (730) and a second plunger (740) disposed in the pressure relief chamber (720). One end of the fourth elastic element (730) abuts against the side of the second plunger (740) facing away from the pressure relief hole (710), and the other end abuts against the pressure relief chamber (720).

9. A convenient hydraulic photography bracket according to claim 8, characterized in that: It also includes a threaded plug (750) connected to the seat (410) and closing the pressure relief chamber (720), with the other end of the fourth elastic element (730) abutting against the threaded plug (750).

10. A convenient hydraulic photography bracket according to claim 2, characterized in that: The support base (100) is provided with a cable tray (110), the cable tray (110) is provided with a cable inlet (120) arranged opposite to the telescopic foot (200) and a plurality of cable outlets, the liquid guide tube (430) passes through the cable inlet (120), the cable tray (110) and the cable outlets and is connected to the hydraulic locking assembly (300).

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