A reach truck robot

Abstract

This utility model relates to a stacker robot, including a mast mechanism and a chassis mechanism. The mast mechanism includes an outer mast, an inner mast, and a fork carriage. Extending fork legs are fixed to both sides of the bottom of the outer mast, and the fork carriage is fastened to the fork legs. The chassis mechanism has two mast movement slots, within which the fork legs and fork carriage are located. A limiting groove is provided on one side of each mast movement slot. Guide wheels are provided on both sides of the outer mast, embedded in the limiting groove. A drive wheel assembly is also fixed to the lower part of the outer mast, driving the mast mechanism to move within the mast movement slots. A drive wheel assembly is also installed in the chassis mechanism located between the two mast movement slots. A spring is provided between the drive wheel assembly and the chassis mechanism to ensure the drive wheel assembly always maintains contact with the ground. This utility model significantly increases the range of motion of the mast mechanism; the movement of the mast mechanism is more stable and smooth; and the drive wheel assembly can always maintain reliable grip, ensuring stable operation.

Description

Technical Field

[0001] This utility model belongs to the field of warehousing equipment technology, and in particular relates to a stacker robot. Background Technology

[0002] As a core piece of equipment in the warehousing and logistics field, the flexibility and operational efficiency of stackers directly affect the utilization rate of warehouse space. Traditional stackers (such as forklifts) typically have their mast mechanism fixed to the chassis, with the forks only able to move vertically along the mast. This structure has significant drawbacks in narrow aisles or multi-level racking operations: 1. Limited turning space: The vehicle needs frequent turning to align with the storage location, resulting in poor maneuverability and a large operating radius in dense warehousing environments; 2. Low positioning accuracy: Relying on chassis movement to adjust the horizontal position of the forks, even minor positioning errors require repeated correction, leading to low efficiency; 3. Insufficient ground adaptability: The rigidly mounted drive wheels are prone to slipping or becoming suspended on uneven ground, resulting in loss of traction. Utility Model Content

[0003] In order to solve the above-mentioned technical problems, the purpose of this utility model is to provide a stacker robot, which not only makes the gantry structure move more flexibly, but also improves the stability of goods during transportation.

[0004] To achieve the above-mentioned objectives, this utility model adopts the following technical solution:

[0005] A stacker robot includes a mast mechanism and a chassis mechanism. The mast mechanism includes an outer mast, an inner mast, and a fork carriage. The inner mast and the outer mast are slidably connected vertically, and the fork carriage and the inner mast are also slidably connected vertically. Forwardly extending fork legs are fixed to both sides of the bottom of the outer mast, and the fork carriage is fastened to the fork legs. The chassis mechanism has two mast movement slots, and the fork legs and the fork carriage are located in the mast movement slots. A limiting groove is provided on one side of the mast movement slot. Guide wheels are provided on both sides of the outer mast, and the guide wheels are embedded in the limiting grooves. A drive wheel assembly is also fixed to the lower part of the outer mast, and the drive wheel assembly drives the mast mechanism to reciprocate within the mast movement slots. A drive wheel assembly is also installed in the chassis mechanism located between the two mast movement slots, and a spring is provided between the drive wheel assembly and the chassis mechanism to keep the drive wheel assembly in contact with the ground.

[0006] As a preferred embodiment, the power wheel assembly is a geared motor, and the two output ends of the geared motor are respectively fixed with wheels. A power wheel assembly is fixed on each side of the outer gantry within the two gantry movement slots.

[0007] As a preferred embodiment, two parallel protruding ridges are arranged at intervals on the side wall of the gantry moving groove, and a limiting groove is formed between the two protruding ridges.

[0008] As a preferred embodiment, there are two guide wheels, spaced apart front to back, and located on the same horizontal plane.

[0009] As a preferred embodiment, one end of the gantry moving slot is also provided with a clearance opening, and slanted panels are provided on both sides of the clearance opening. The front end of the fork leg is also provided with a roller, and the roller enters and exits the gantry moving slot through the slanted panel. One end of the gantry moving slot is also provided with a chamfer that keeps the gantry mechanism centered when it retracts into the gantry moving slot.

[0010] As a preferred embodiment, the chassis mechanism includes a chassis mounting frame, and the gantry moving slot divides the chassis mounting frame into two side mounting cavities and a central mounting cavity. One side mounting cavity is equipped with a power supply assembly and has casters fixed at the bottom. The other side mounting cavity is equipped with balance wheels. The central mounting cavity is equipped with a drive wheel assembly and control components.

[0011] As a preferred embodiment, the two drive wheel assemblies are respectively located at both ends of the central mounting cavity, and the rolling direction of the drive wheels is perpendicular to the length direction of the central mounting cavity.

[0012] As a preferred embodiment, the drive wheel assembly includes a motor and a drive wheel fixed on the motor shaft. The drive wheel protrudes from the bottom of the central mounting cavity. Mounting blocks are also provided on both sides of the motor. A fixing post is also fixed inside the central mounting cavity. The mounting blocks are sleeved on the fixing posts. A spring is sleeved on the fixing posts. The two ends of the spring abut against the mounting blocks and the top of the central mounting cavity, respectively.

[0013] As a preferred embodiment, the drive wheel assembly includes a motor and a drive wheel fixed on the motor shaft. The drive wheel protrudes from the bottom of the central mounting cavity. Mounting blocks are provided on both sides of the motor. A fixing post is fixed inside the central mounting cavity. The mounting blocks are sleeved on the fixing posts. A spring is sleeved on the fixing posts. The upper part of the fixing posts is also threaded, and an adjusting nut is connected to the thread. The two ends of the spring abut against the mounting blocks and the adjusting nut, respectively.

[0014] As a preferred embodiment, a hinged bracket is fixed inside one of the side mounting cavities, two balance wheels are respectively connected to the two ends of the balance arm, and the balance wheels protrude from the bottom of the side mounting cavity. The middle part of the balance arm is hinged to the hinged bracket.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] This invention features a mast movement groove on the chassis, allowing the fork legs and fork carriage to be integrally embedded within it. Driven by the power wheel assembly, the mast mechanism can move a long distance along the groove, significantly increasing its range of motion. Furthermore, the power wheel assembly enables independent horizontal positioning of the fork system, decoupling it from the chassis, allowing for precise alignment with the cargo position without requiring the entire vehicle to be turned. Additionally, the movement of the mast mechanism is constrained by a limiting groove and guide wheels. The guide wheels, embedded in the limiting groove, achieve vertical limitation, preventing the mast from tipping over.

[0017] The drive wheel assembly of this invention is mounted on the chassis by a spring, always pressing against the ground. Even if the gantry moves significantly and the center of gravity changes, the drive wheel still maintains reliable grip, completely solving the problem of slippage when the traditional rigid suspension leaves the ground. Attached Figure Description

[0018] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments of this application and their descriptions are used to explain this application and do not constitute a limitation thereof.

[0019] Figure 1 and Figure 2 These are structural schematic diagrams of this utility model from two different angles;

[0020] Figure 3 and Figure 4 These are schematic diagrams of the gantry mechanism of this utility model from two different angles.

[0021] Figure 5 This is a disassembled structural diagram of the gantry mechanism of this utility model;

[0022] Figure 6 This is a schematic diagram of the chassis mechanism of this utility model;

[0023] Figure 7 This is a schematic diagram of the installation structure of the chassis mounting frame, balance arm, drive wheel assembly and other components of this utility model;

[0024] Figure 8 This is a structural schematic diagram of the drive wheel assembly, the fixed column, and the spring of this utility model.

[0025] The reference numerals in the accompanying drawings are as follows: 1. Mast mechanism; 10. Drive wheel assembly; 11. Outer mast; 111. Fork leg; 112. Roller; 113. Guide wheel; 114. Inner guide wheel; 12. Inner mast; 120. Lifting slot; 121. Pulley; 13. Fork carriage; 131. First sensor; 132. Second sensor; 133. Lifting guide wheel; 14. Hydraulic device; 15. Hydraulic push rod; 16. Chain; 2. Chassis mechanism; 20. Chassis mounting bracket; 21. Door 211. Frame moving slot; 22. Clearance opening; 23. Protruding ridge; 24. Limiting slot; 25. Drive wheel assembly; 26. Motor; 27. Drive wheel; 28. Mounting block; 29. ​​Fixing column; 20. Spring; 20. Adjusting nut; 210. Balance wheel; 221. Caster wheel; 232. Balance arm; 24. Hinge bracket; 25. Mounting slot; 26. Stop bar; 27. Control components; 28. Power supply assembly; 29. ​​Main radar sensor; 20. Secondary radar sensor; 20. Rear cover. Detailed Implementation

[0026] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of this application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0027] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0028] Furthermore, in the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more, unless otherwise expressly defined.

[0030] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0032] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0033] like Figures 1 to 3The illustrated stacker robot includes a mast mechanism 1 and a chassis mechanism 2. The mast mechanism 1 includes an outer mast 11, an inner mast 12, and a fork carriage 13. The inner mast 12 and the outer mast 11 are slidably connected vertically, and the fork carriage 13 and the inner mast 12 are also slidably connected vertically. Extending fork legs 111 are fixed to both sides of the bottom of the outer mast 11. The fork carriage 13 is fastened to the fork legs 111. Rollers 112 are also provided at the front ends of the fork legs 111. The chassis mechanism 2 has two mast movement slots 21. 111 and fork carriage 13 are located in the mast moving slot 21. One end of the mast moving slot 21 is also provided with a clearance opening 211. The clearance opening 211 is provided with inclined plates on both sides. The front end of the fork leg 111 is also provided with a roller 112. The roller 112 enters the mast moving slot 21 through the inclined plates, so that the mast mechanism enters the mast moving slot 21 more smoothly. The opening at one end of the mast moving slot 21 is chamfered on both sides to keep the mast mechanism 1 centered when it enters the mast moving slot 21.

[0034] Two parallel protruding ribs 22 are arranged at intervals on the side wall of the gantry moving groove 21, and a limiting groove 221 is formed between the two protruding ribs 22. The limiting groove is formed by the two protruding ribs, which simplifies the processing process (avoids the need to open deep grooves) and at the same time improves the deformation resistance of the side wall and extends the service life.

[0035] The outer gantry 11 is equipped with guide wheels 113 on both sides, which are embedded in the limiting grooves 221. A power wheel assembly 10 is also fixed to the lower part of the outer gantry 11, driving the gantry mechanism 1 to reciprocate within the gantry movement groove 21. The movement directions of the gantry mechanism 1 and the chassis mechanism 2 are perpendicular to each other. The gantry movement direction is perpendicular to the chassis travel direction, achieving a "T-shaped" operating path, efficiently completing loading, unloading, and turning actions within a narrow space.

[0036] In the above structure, the mast moving slot constrains the movement trajectory of the fork legs and fork carriage, preventing horizontal deviation and improving the stability and accuracy of the mast mechanism's movement on the chassis. Its structure, utilizing a limit slot and guide wheel, replaces sliding friction with rolling friction, reducing resistance. The guide wheel, embedded in the limit slot, achieves vertical limiting, preventing mast tipping. The power wheel assembly in this structure directly drives the mast mechanism to reciprocate along the moving slot, enabling the lateral extension and retraction of the forks (perpendicular to the chassis movement direction), expanding the operating range.

[0037] The drive wheel assembly 10 is a geared motor, and wheels are fixed to the two output ends of the geared motor. A drive wheel assembly 10 is fixed to each side of the outer gantry 11 within one of the two gantry movement slots 21. The dual geared motors independently drive the wheels on both sides, providing high torque output and ensuring the synchronicity of the gantry movement; they also distribute the load, reducing the risk of single-motor failure.

[0038] The guide wheels 113 are two in number, spaced apart front to back, and located on the same horizontal plane. The spaced-apart guide wheels form two-point support, effectively suppressing the gantry's forward and backward swaying and enhancing lateral movement stability.

[0039] like Figures 4 to 6 As shown, a hydraulic device 14 is also fixed on the outer gantry 11. The hydraulic device 14 is connected to a hydraulic push rod 15. One end of the hydraulic push rod 15 is fixed to the outer gantry 11, and the other end is fixed to the inner gantry 12. The outer gantry 11 is provided with an inner guide wheel 114, and the inner gantry 12 is also provided with guide strips on both sides. The inner guide wheel 114 abuts against the guide strips. A rear cover 5 is also fixed on the outer gantry 11 to protect the hydraulic device 14. The structure of the hydraulic device and the hydraulic push rod can provide strong thrust to achieve smooth lifting and lowering of the inner gantry. In addition, the structure of the inner guide wheel and the guide strip is adopted to convert sliding friction into rolling friction, reduce lifting resistance, and avoid jamming.

[0040] The inner mast 12 is provided with a lifting groove 120, and the fork carriage 13 is provided with a lifting guide wheel 133. The lifting guide wheel 133 is located in the lifting groove 120. The upper end of the inner mast 12 is also provided with a pulley 121. The fork carriage 13 is also connected with a chain 16. The other end of the chain 16 passes around the pulley 121 and is fixed to the outer mast 11.

[0041] The above structure uses lifting guide wheels and lifting grooves to guide the fork carriage to rise and fall along a fixed path and prevent swaying. At the same time, in conjunction with the chain and pulley structure, the hydraulic push rod stroke can be halved to lift the fork carriage, saving energy and increasing the lifting speed.

[0042] A first sensor 131 is fixed to the front end of the fork carriage 13 to detect the position of the goods or obstacles and achieve automatic alignment. A slot is also provided at the connection between the fork carriage 13 and the inner mast 12, and a second sensor 132 is installed in the slot.

[0043] like Figures 6 to 8 As shown, the chassis mechanism 2 includes a chassis mounting frame 20. The gantry moving groove 21 divides the chassis mounting frame 20 into two side mounting cavities and a central mounting cavity. One side mounting cavity is equipped with a power supply assembly 210 and a caster wheel 25 is fixed at the bottom. The other side mounting cavity is equipped with a balance wheel 24. The central mounting cavity is equipped with a drive wheel assembly 23 and a control component 29.

[0044] The above structure places the power supply components and balance wheels in two side mounting cavities, balancing the overall left and right weight distribution of the chassis and making operation more stable; at the same time, it concentrates the drive wheel components and control components in the central mounting cavity, shortening the wiring layout and improving maintenance convenience.

[0045] The drive wheel assembly 23 includes a motor 231 and a drive wheel 232 fixed on the shaft of the motor 231. The drive wheel 232 protrudes from the bottom of the central mounting cavity. Mounting blocks 233 are provided on both sides of the motor 231. A fixing post 234 is fixed inside the central mounting cavity. The mounting blocks 233 are sleeved on the fixing posts 234. A spring 235 is sleeved on the fixing posts 234. The two ends of the spring 235 abut against the mounting blocks 233 and the top of the central mounting cavity, respectively. This structure uses springs to keep the drive wheel in contact with the ground, adapting to uneven ground and enhancing the chassis driving force and anti-slip capability.

[0046] As a preferred embodiment, the upper part of the fixed column 234 is also provided with a thread, and an adjusting nut 236 is connected to it through the thread. The upper end of the spring 235 no longer abuts against the top of the middle mounting cavity, but abuts against the adjusting nut 236. The pressure of the spring 235 can be adjusted by rotating the adjusting nut 236, so that the force of the drive wheel acting on the ground can be easily adjusted.

[0047] A hinge bracket 261 is fixed inside one of the side mounting cavities. Two balance wheels 24 are respectively connected to the two ends of the balance arm 26, and the balance wheels 24 protrude from the bottom of the side mounting cavity. The middle part of the balance arm 26 is hinged to the hinge bracket 261. The balance arm is hinged to the hinge bracket, allowing the two balance wheels to swing up and down independently, adapting to uneven ground and reducing chassis tilt.

[0048] Two drive wheel assemblies 23 are respectively disposed at both ends of the central mounting cavity, and the rolling direction of the drive wheel 232 is perpendicular to the length direction of the central mounting cavity.

[0049] The dual drive wheels are positioned at both ends of the central mounting cavity to maximize the wheelbase and improve steering stability; and the wheel direction is perpendicular to the length direction of the central mounting cavity, so the chassis can be turned on the spot by controlling the rotation direction of the two drive wheels, thus improving agility.

[0050] The chassis mechanism 2 has baffles 28 fixed to its top two sides, and a main radar sensor 3 is also fixed to its top. Mounting slots 27 are provided on both sides of the chassis mechanism 2, and a secondary radar sensor 4 is fixed within each slot. The main radar sensor provides a wide-range environmental scan, supporting path planning and obstacle avoidance; while the secondary radar sensor, embedded in the side mounting slots, covers the blind spots around the chassis, detects lateral obstacles, and enhances safety when passing through narrow passages.

[0051] This utility model utilizes structures such as gantry moving slots, limiting slots, double guide wheels, and balance wheel suspension to achieve multi-level constraints, reduce swaying, and improve operational stability; in addition, the lateral movement of the gantry combined with the longitudinal drive of the chassis enables multi-directional operation within a compact space; at the same time, the modular and partitioned design of the chassis facilitates component inspection and replacement.

[0052] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0053] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention without departing from the principles and spirit of the present invention. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention shall still fall within the scope of the technical solution of the present invention.

Claims

1. A stacker robot, comprising a mast mechanism (1) and a chassis mechanism (2), wherein the mast mechanism (1) comprises an outer mast (11), an inner mast (12), and a fork carriage (13), the inner mast (12) and the outer mast (11) being slidably arranged vertically, the fork carriage (13) and the inner mast (12) being slidably arranged vertically, and the fork carriage (13) and the inner mast (12) being slidably arranged vertically, wherein fork legs (111) are fixedly fixed to the bottom sides of the outer mast (11), and the fork carriage (13) is fastened to the fork legs (111), characterized in that: The chassis mechanism (2) has two mast moving slots (21). The fork legs (111) and the fork carriage (13) are located in the mast moving slots (21). A limiting slot (221) is provided on one side of the mast moving slots (21). Guide wheels (113) are provided on both sides of the outer mast (11). The guide wheels (113) are embedded in the limiting slots (221). A power wheel assembly (10) is also fixed at the lower part of the outer mast (11). The power wheel assembly (10) drives the mast mechanism (1) to reciprocate in the mast moving slots (21). A drive wheel assembly (23) is also installed in the chassis mechanism (2) between the two mast moving slots (21). A spring (235) is provided between the drive wheel assembly (23) and the chassis mechanism (2) to keep the drive wheel assembly (23) in contact with the ground.

2. The forklift robot according to claim 1, characterized in that, The power wheel assembly (10) is a geared motor, and the two output ends of the geared motor are respectively fixed with wheels. The two sides of the outer gantry (11) are each fixed with a power wheel assembly (10) in the two gantry moving slots (21).

3. A forklift robot according to claim 1, characterized in that, Two parallel protrusions (22) are arranged at intervals on the side wall of the gantry moving groove (21), and a limiting groove (221) is formed between the two protrusions (22).

4. A forklift robot according to claim 1, characterized in that, There are two guide wheels (113), which are spaced apart and located on the same horizontal plane.

5. A forklift robot according to claim 1, characterized in that, One end of the gantry moving slot (21) is also provided with a clearance opening (211), and the two sides of the clearance opening (211) are respectively provided with inclined panels. The front end of the fork leg (111) is also provided with a roller (112), and the roller (112) enters and exits the gantry moving slot (21) through the inclined panel. One end of the gantry moving slot (21) is also provided with a chamfer that keeps the gantry mechanism (1) centered when it retracts into the gantry moving slot (21).

6. A forklift robot according to claim 1, characterized in that, The chassis mechanism (2) includes a chassis mounting frame (20). The gantry moving groove (21) divides the chassis mounting frame (20) into two side mounting cavities and a central mounting cavity. One side mounting cavity is equipped with a power supply assembly (210) and a caster wheel (25) is fixed at the bottom. The other side mounting cavity is equipped with a balance wheel (24). The central mounting cavity is equipped with a drive wheel assembly (23) and control components (29).

7. A forklift robot according to claim 6, characterized in that, Two drive wheel assemblies (23) are respectively located at both ends of the central mounting cavity, and the rolling direction of the drive wheel (232) is perpendicular to the length direction of the central mounting cavity.

8. A forklift robot according to claim 6, characterized in that, The drive wheel assembly (23) includes a motor (231) and a drive wheel (232) fixed on the shaft of the motor (231). The drive wheel (232) protrudes from the bottom of the central mounting cavity. Mounting blocks (233) are provided on both sides of the motor (231). A fixing post (234) is fixed in the central mounting cavity. The mounting block (233) is sleeved on the fixing post (234). A spring (235) is sleeved on the fixing post (234). The two ends of the spring (235) abut against the mounting block (233) and the top of the central mounting cavity, respectively.

9. A forklift robot according to claim 6, characterized in that, The drive wheel assembly (23) includes a motor (231) and a drive wheel (232) fixed on the shaft of the motor (231). The drive wheel (232) protrudes from the bottom of the central mounting cavity. Mounting blocks (233) are provided on both sides of the motor (231). A fixing post (234) is fixed in the central mounting cavity. The mounting block (233) is sleeved on the fixing post (234). A spring (235) is sleeved on the fixing post (234). The upper part of the fixing post (234) is also provided with threads, and an adjusting nut (236) is connected by the threads. The two ends of the spring (235) abut against the mounting block (233) and the adjusting nut (236) respectively.

10. A forklift robot according to claim 6, characterized in that, A hinge bracket (261) is fixed in one of the side mounting cavities. Two balance wheels (24) are respectively connected to the two ends of the balance arm (26), and the balance wheels (24) protrude from the bottom of the side mounting cavity. The middle part of the balance arm (26) is hinged to the hinge bracket (261).

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