Convenient and fast assembly assembly

Abstract

The utility model relates to the technical field of photographic equipment, and discloses a convenient and fast assembly. The quick assembly component comprises a seat body, a disassembly and assembly component and a driving component, a first assembling area, a second assembling area and a third assembling area are arranged on the base body, the first assembling area and the third assembling area are adjacently arranged on the same side of the base body, the second assembling area is arranged on the other side of the base body, the first assembling area is used for assembling a fast assembling plate conforming to the Aka standard, and the second assembling area is used for assembling a fast assembling plate conforming to the Mangrich figure standard; the third assembling area is used for assembling a quick-release plate with a self-defined size; the third assembling area is provided with an assembling groove and a first sliding groove, the disassembling and assembling assembly is movably arranged in the assembling groove, the driving assembly is movably arranged in the first sliding groove, and the driving assembly is movably connected with the disassembling and assembling assembly to control the disassembling and assembling assembly to disassemble and assemble the quick assembling plate. According to the quick-release assembly, the same assembly can be matched with the Aka standard, the Mangrich graph standard and the quick-release plates of various self-defined sizes, the universality and compatibility of the quick-release assembly are improved, and the purchase cost of a user is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of photographic equipment, and in particular to a convenient quick-install component. Background Art

[0002] The quick-release assembly is a commonly used photographic accessory that is used to quickly install the camera on a photographic gimbal. It can solve the problem of dynamic balance after the gimbal is adjusted. The device can be installed in the original position after being disassembled again, which improves shooting efficiency. The quick-release assembly can be adapted to any device without a quick-release plate, which can improve its versatility.

[0003] At present, the existing quick-release components can only be used with one or two quick-release plates, which brings inconvenience to users. Users need to purchase multiple quick-release components to adapt to different quick-release plates, which increases the purchase cost of users. Therefore, the versatility of the existing quick-release components needs to be improved to adapt to multiple quick-release plates, thereby reducing the purchase cost of users. Utility Model Content

[0004] The technical problem to be solved by the present application is to provide a convenient quick-release assembly to adapt to a variety of quick-release plates, thereby reducing the purchase cost for users.

[0005] In order to solve the above problems, the present application provides a convenient quick-release component, including a base body, a disassembly and assembly component and a drive component; the base body is provided with a first assembly area, a second assembly area and a third assembly area, the first assembly area and the third assembly area are adjacently arranged on the same side of the base body, the second assembly area is arranged on the other side of the base body, the first assembly area is used to assemble a quick-release plate that meets the Arca standard, the second assembly area is used to assemble a quick-release plate that meets the Manfrotto standard, and the third assembly area is used to assemble a quick-release plate of a custom size; the third assembly area is provided with an assembly groove and a first slide groove, the disassembly and assembly component is movably arranged in the assembly groove, the drive assembly is movably arranged in the first slide groove, and the drive assembly is movably connected to the disassembly and assembly component for controlling the disassembly and assembly component to disassemble the quick-release plate.

[0006] Preferably, it also includes an anti-accidental touch component, which is provided with a positioning portion, and the positioning portion is used to install the anti-accidental touch component on the base body. One side of the driving component is provided with a mounting groove, and one side of the anti-accidental touch component is movably installed in the mounting groove. When removing the quick-release plate, it is necessary to first drive the positioning portion to separate from the base body, and then drive the driving component to move through the anti-accidental touch component.

[0007] Preferably, the quick-release assembly also includes a first elastic member, and the anti-accidental-touch member also has a limiting portion, and the limiting portion is located at the assembly position of the anti-accidental-touch member and the driving assembly, and the driving assembly is provided with a limiting groove, and the limiting portion is slidably limited in the limiting groove, and the first elastic member is installed in the installation groove, and the two ends of the first elastic member are respectively abutted against the anti-accidental-touch member and the driving assembly.

[0008] Preferably, the driving assembly includes a locking member and an unlocking member located on one side of the locking member, one end of the locking member is movably connected to the anti-mistouch member, the other end of the locking member is rotatably connected to the base body and movably connected to the disassembly and assembly assembly, and the locking member is provided with a positioning groove; one end of the unlocking member is movably connected to the base body, and the unlocking member can be embedded in or detached from the positioning groove.

[0009] Preferably, the locking member includes a driving part, a turntable part and a torsion spring, one end of the driving part is fixedly connected to the turntable part, the other end of the driving part is movably connected to the anti-mistouch part, the turntable part is rotatably connected to the base body and movably connected to the disassembly and assembly component, and the positioning groove is formed on the turntable part; the torsion spring is sleeved on the turntable part, and both ends of the torsion spring are respectively fixed to the base body and the turntable part.

[0010] Preferably, the unlocking member includes a pressing portion, an embedding portion and a second elastic member, the pressing portion is fixed to the embedding portion, one end of the pressing portion passes through the seat body, the second elastic member is sleeved on the pressing portion, and the two ends of the second elastic member are respectively abutted against the pressing portion and the seat body, and the embedding portion can be embedded in or detached from the positioning groove.

[0011] Preferably, the disassembly and assembly assembly includes a mounting member and a bearing, the mounting member is provided with a second slide groove, the bearing is rotatably connected to the driving assembly, and the bearing slides along the second slide groove.

[0012] Preferably, both side walls on the inner side of the assembly groove are provided with limiting grooves, and both side walls of the mounting member are provided with limiting protrusions corresponding to the limiting grooves, and the limiting protrusions are sleeved in the limiting grooves.

[0013] Preferably, the seat body is also provided with a plurality of mounting holes.

[0014] Compared with the prior art, the present invention has at least one of the following beneficial technical effects:

[0015] (1) Compared with the quick-release components on the market that can only be adapted to the Arca standard, Manfrotto standard or custom-sized quick-release plates, the quick-release component provided by the present application can be adapted to the Arca standard, Manfrotto standard and various custom-sized quick-release plates on the same component through reasonable structural design without significantly increasing the size of the component. It has three different assembly modes, which improves the versatility and compatibility of the quick-release component, thereby reducing the user's purchase cost.

[0016] (2) Furthermore, it also includes an anti-accidental touch member, which is provided with a positioning portion. When the disassembly assembly fixes the quick release plate, the positioning portion is used to install the anti-accidental touch member on the base body; at the same time, through the movable connection between the anti-accidental touch member and the drive assembly, when the user disassembles the quick release plate, it is necessary to first drive the positioning portion to separate from the base body, and then drive the drive assembly to move through the anti-accidental touch member, and then the drive assembly drives the disassembly assembly to move, so as to prevent the user from accidentally touching the drive assembly during use, thereby improving the safety of the quick release assembly and preventing the photographic equipment from accidentally falling and causing damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 A schematic diagram of the overall structure of the convenient quick-install assembly provided in an embodiment of the present application in the first working position;

[0019] Figure 2 A schematic diagram of the overall structure of the convenient quick-install assembly provided in an embodiment of the present application in the second working position;

[0020] Figure 3 An exploded view of a convenient quick-install assembly provided in an embodiment of the present application;

[0021] Figure 4 An exploded view of the convenient quick-install assembly provided in an embodiment of the present application from another perspective;

[0022] Figure 5 A cross-sectional view of the convenient quick-install assembly provided in an embodiment of the present application.

[0023] Explanation of the accompanying drawings: 1. base; 11. first assembly area; 12. second assembly area; 13. third assembly area; 14. assembly groove; 141. limiting slot; 15. first slide groove; 16. plug-in slot; 17. mounting hole; 2. disassembly and assembly component; 21. mounting member; 211. second slide groove; 212. limiting protrusion; 22. bearing; 3. driving component; 31. locking member; 311. driving part; 3111. mounting groove; 3112. limiting slot; 312. turntable part; 3121. positioning ring; 3122. positioning groove; 313. torsion spring; 32. unlocking member; 321. pressing part; 322. embedding part; 323. second elastic member; 4. anti-mistaken touch member; 41. positioning part; 42. limiting part; 43. contact part; 5. first elastic member; 6. quick release plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0025] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0026] It should also be understood that the terms used in this application specification are only for the purpose of describing specific embodiments and are not intended to limit the application. As used in this application specification and the appended claims, the singular forms "a", "an" and "the" are intended to include plural forms unless the context clearly indicates otherwise.

[0027] It should be further understood that the term “and / or” used in the specification and appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0028] Please refer to Figures 1 to 5 The embodiment of the present application provides a convenient quick-release component, which can be adapted to quick-release plates of various sizes, and the quick-release plate can be fixed to photographic equipment such as a camera, so that the photographic equipment can be quickly installed on the photographic gimbal.

[0029] Please refer to Figure 1 and Figure 2In a specific embodiment, the quick-release assembly includes a base body 1, and a first assembly area 11, a second assembly area 12, and a third assembly area 13 are provided on the base body 1. The first assembly area 11 and the third assembly area 13 are adjacently arranged on the same side of the base body 1, and the second assembly area 12 is located on the side of the base body 1 away from the first assembly area 11 and the third assembly area 13; here, the first assembly area 11 is used to assemble a quick-release plate that meets the Arca standard, the second assembly area 12 is used to assemble a quick-release plate that meets the Manfrotto standard, and the third assembly area 13 is used to assemble a quick-release plate 6 of a custom size.

[0030] Compared with the quick-release components on the market that can only adapt to the Arca standard, Manfrotto standard or custom-sized quick-release plates 6, the embodiment of the present application, through reasonable structural design, can adapt to the Arca standard, Manfrotto standard and various custom-sized quick-release plates 6 on the same component without significantly increasing the size of the component. It has three different assembly modes, which improves the versatility and compatibility of the quick-release component, thereby reducing the user's purchase cost.

[0031] Specifically, the quick-install assembly also includes a disassembly assembly 2 and a drive assembly 3. The disassembly assembly 2 and the drive assembly 3 are arranged in the third assembly area 13, and the third assembly area 13 is provided with an assembly groove 14 and a first slide groove 15. The disassembly assembly 2 is movably arranged in the assembly groove 14, and the drive assembly 3 is movably arranged in the first slide groove 15. The drive assembly 3 is movably connected with the disassembly assembly 2, and the drive assembly 3 is used to control the disassembly assembly 2 to disassemble and install the quick-install plate 6. When the disassembly assembly 2 is installing the quick-install plate 6, the disassembly assembly 2 is positioned at the first station; when the disassembly assembly 2 is disassembling and installing the quick-install plate 6, the disassembly assembly 2 moves in a direction away from the assembly groove 14 and is positioned at the second station.

[0032] Please refer to Figure 3 and Figure 4 In a specific embodiment, the quick-release assembly further includes an anti-accidental touch member 4. The anti-accidental touch member 4 is provided with a positioning portion 41. When the disassembly assembly 2 is located at the first station, the positioning portion 41 is used to install the anti-accidental touch member 4 on the base 1. A mounting groove 3111 is provided on one side of the drive assembly 3. One side of the anti-accidental touch member 4 is movably installed in the mounting groove 3111 to prevent the user from accidentally touching the drive assembly 3 during use, thereby improving the safety of the quick-release assembly and preventing the photographic equipment from accidentally falling and causing damage. When the user disassembles the quick-release plate 6, the positioning portion 41 must be driven to separate from the base 1 first, and then the anti-accidental touch member 4 must be used to drive the drive assembly 3 to move, thereby causing the drive assembly 3 to drive the disassembly assembly 2 to move, so that the user can take out the quick-release plate 6 located in the assembly groove 14.

[0033] In a specific embodiment, the seat body 1 is provided with a plug-in slot 16, which is formed between the second assembly area 12 and the third assembly area 13, and the plug-in slot 16 is disposed adjacent to the first slide slot 15. When the disassembly assembly 2 is located at the first station, the positioning portion 41 is inserted into the plug-in slot 16 to install the mis-touch prevention member 4 on the seat body 1, thereby positioning the drive assembly 3 to prevent the user from accidentally touching and unlocking the drive assembly 3, causing the quick-release plate 6 to accidentally loosen the assembly slot 14.

[0034] In a specific embodiment, the quick-install assembly further includes a first elastic member 5, and the anti-mistaken touch member 4 is further provided with a stopper 42. The stopper 42 is located at the assembly position of the anti-mistaken touch member 4 and the driving assembly 3, and the driving assembly 3 is provided with a stopper groove 3112, the stopper 42 is slidably stopped in the stopper groove 3112, and the anti-mistaken touch member 4 is slidably connected with the driving assembly 3; the first elastic member 5 is installed in the installation groove 3111, and the two ends of the first elastic member 5 are respectively in contact with the anti-mistaken touch member 4 and the driving assembly 3. In this embodiment, the first elastic member 5 is a spring.

[0035] Furthermore, the anti-mistaken touch member 4 also has a contact portion 43. Specifically, in the present embodiment, the contact portion 43 is crank-shaped and extends in a direction away from the drive assembly 3. The user can pull the anti-mistaken touch member 4 through the contact portion 43, which is convenient for the user to drive the positioning portion 41 away from the seat body 1, thereby improving the convenience of using the anti-mistaken touch member 4. In other embodiments, the contact portion 43 can also be a right-angled, annular, or other structural member that can meet the use requirements.

[0036] When the quick-release plate 6 in the third assembly area 13 needs to be disassembled, the user can pull the contact portion 43 in a direction away from the insertion slot 16 to disengage the positioning portion 41 from the insertion slot 16. At this time, the first elastic member 5 is squeezed to store elastic potential energy; then, the driving anti-mistaken touch member 4 drives the driving assembly 3 to rotate, thereby driving the disassembly assembly 2 to move to loosen the quick-release plate 6. Here, when the user loosens the contact portion 43, the first elastic member 5 releases the elastic potential energy to drive the anti-mistaken touch member 4 to reset itself.

[0037] Please refer to Figure 4 and Figure 5 In a specific embodiment, the driving assembly 3 includes a locking member 31 and an unlocking member 32 located on one side of the locking member 31. One end of the locking member 31 is movably connected to the anti-mistaken touch member 4, and a limiting groove 3112 is formed at the end; the other end of the locking member 31 extends into the first sliding groove 15 and is rotatably connected to the seat body 1, and is movably connected to the disassembly assembly 2, and the locking member 31 is provided with a positioning groove 3122. One end of the unlocking member 32 is movably connected to the seat body 1, and the end of the unlocking member 32 can be embedded in or out of the positioning groove 3122.

[0038] In a specific embodiment, the locking member 31 includes a fixedly connected driving portion 311, a turntable portion 312 and a torsion spring 313. Among them, one end of the driving portion 311 extends into the first sliding groove 15 and is fixedly connected to the turntable portion 312; the other end of the driving portion 311 is slidably connected to the anti-mistouch member 4, and the installation groove 3111 and the limit groove 3112 are respectively formed on both sides of the end of the driving portion 311, and the installation groove 3111 is connected to the limit groove 3112. The turntable portion 312 penetrates and is rotatably connected to the seat body 1, one end of the turntable portion 312 is located in the assembly groove 14, and the turntable portion 312 is movably connected to the disassembly assembly component 2; the other end of the turntable portion 312 is located in the second assembly area 12, and has a positioning ring 3121, and the positioning groove 3122 is formed at the edge of the positioning ring 3121. The torsion spring 313 is sleeved on one end of the turntable portion 312 located in the second assembly area 12 , and two ends of the torsion spring 313 are respectively fixed to the base body 1 and the turntable portion 312 .

[0039] In a specific embodiment, the unlocking member 32 includes a pressing portion 321, an embedding portion 322 and a second elastic member 323. The pressing portion 321 is fixedly connected to the embedding portion 322, one end of the pressing portion 321 passes through the seat body 1, and the pressing portion 321 is slidably arranged on the seat body 1 along its axial direction, and the end of the pressing portion 321 away from the embedding portion 322 can be slidably extended into the assembly groove 14. The embedding portion 322 is located in the second assembly area 12, and the embedding portion 322 can be embedded in or out of the positioning groove 3122. The second elastic member 323 is sleeved on the circumference of the pressing portion 321, and the two ends of the second elastic member 323 are respectively in contact with the pressing portion 321 and the seat body 1. In this embodiment, the second elastic member 323 is a spring.

[0040] Here, when the quick-release plate 6 is fixed in the assembly groove 14, the disassembly assembly 2 is located in the first working position; at this time, one side of the positioning ring 3121 abuts against the side of the embedded portion 322 close to the pressing portion 321, and the end of the pressing portion 321 away from the embedded portion 322 is located in the same horizontal plane as the bottom of the assembly groove 14, and the second elastic member 323 is squeezed to store elastic potential energy.

[0041] When the quick-release plate 6 needs to be disassembled, the user can manually move the contact portion 43 of the anti-mistaken-touch member 4 to make the positioning portion 41 slide away from the seat body 1, and then move the driving portion 311 toward the unlocking member 32, so that the driving portion 311 drives the turntable portion 312 to rotate. When the positioning groove 3122 on the main body of the positioning ring 3121 rotates to a position corresponding to the embedding portion 322, the embedding portion 322 embeds into the positioning groove 3122, thereby positioning the locking member 31. At this time, the torsion spring 313 stores elastic potential energy, and the disassembly assembly 2 is located in the second station; the second elastic member 323 releases the elastic potential energy, thereby pushing the pressing portion 321 to slide and extend into the assembly groove 14.

[0042] When the quick-release plate 6 needs to be installed, the user can press the quick-release plate 6 to the assembly groove 14. At this time, the bottom of the quick-release plate 6 presses the pressing portion 321, causing the pressing portion 321 to slide toward the second assembly area 12, thereby driving the embedded portion 322 to disengage from the positioning groove 3122. At the same time, the torsion spring 313 releases elastic potential energy, driving the turntable portion 312 and the driving portion 311 to rotate and reset. At this time, the disassembly assembly 2 is located at the first station, and the disassembly assembly 2 fixes the quick-release plate 6 in the assembly groove 14.

[0043] In a specific embodiment, the disassembly assembly 2 includes a mounting member 21 and a bearing 22. The mounting member 21 is slidably connected in the assembly groove 14, the mounting member 21 is provided with a second slide groove 211, the bearing 22 is rotatably connected to the driving assembly 3, and the bearing 22 slides along the second slide groove 211. Specifically, the second slide groove 211 is formed on the side of the mounting member 21 close to the driving assembly 3, the bearing 22 is rotatably connected to the turntable portion 312 located at one end of the assembly groove 14, and the bearing 22 can slide along the groove wall of the second slide groove 211.

[0044] When the disassembly assembly 2 is located at the first station, the bearing 22 rotates to the end of the turntable portion 312 close to the unlocking member 32, and the bearing 22 is located at one end of the second slide groove 211, and the mounting member 21 is located in the assembly groove 14; when the disassembly assembly 2 is located at the second station, the bearing 22 rotates to the end of the turntable portion 312 away from the unlocking member 32, and the bearing 22 is located at the other end of the second slide groove 211, and a part of the mounting member 21 slides out of the assembly groove 14. Here, the disassembly and assembly of the quick-release plate 6 is achieved by cooperating with the drive assembly 3 and the disassembly assembly 2.

[0045] Please refer to Figure 1 In a specific embodiment, both side walls of the inner side of the assembly groove 14 are provided with limiting grooves 141, and both side walls of the mounting member 21 are provided with limiting protrusions 212 corresponding to the limiting grooves 141, and the limiting protrusions 212 are sleeved in the limiting grooves 141. When the mounting member 21 slides, the limiting protrusions 212 slide along the groove walls of the limiting grooves 141 to limit the sliding direction of the mounting member 21, so as to prevent the mounting member 21 from moving in a direction perpendicular to the sliding direction, thereby improving the stability of the mounting member 21 during the sliding process.

[0046] In a specific embodiment, the seat body 1 is further provided with a plurality of mounting holes 17, and the mounting holes 17 are located in the second assembly area 12. In other embodiments, the mounting holes 17 may also be provided in the first assembly area 11 or the third assembly area 13. The mounting holes 17 are provided with threads, and can be fixed to other devices through threaded connection, further improving the versatility of the quick-install assembly.

[0047] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed in the present application, and these modifications or replacements should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A convenient quick-install component, characterized in that: It includes a seat body, a disassembly assembly component and a drive assembly; The base body is provided with a first assembly area, a second assembly area and a third assembly area, the first assembly area and the third assembly area are adjacently arranged on the same side of the base body, the second assembly area is arranged on the other side of the base body, the first assembly area is used to assemble a quick release plate that meets the Arca standard, the second assembly area is used to assemble a quick release plate that meets the Manfrotto standard, and the third assembly area is used to assemble a quick release plate of a custom size; The third assembly area is provided with an assembly groove and a first slide groove, the disassembly assembly component is movably arranged in the assembly groove, the drive assembly is movably arranged in the first slide groove, and the drive assembly is movably connected to the disassembly assembly component for controlling the disassembly assembly and the quick-release plate.

2. A convenient quick-install assembly according to claim 1, characterized in that: It also includes an anti-accidental touch component, which is provided with a positioning portion, and the positioning portion is used to install the anti-accidental touch component on the base body. One side of the driving component is provided with a mounting groove, and one side of the anti-accidental touch component is movably installed in the mounting groove. When removing the quick-release plate, the positioning portion must be driven to separate from the base body first, and then the driving component is driven to move through the anti-accidental touch component.

3. A convenient quick-install assembly according to claim 2, characterized in that: The quick-release assembly also includes a first elastic member, and the anti-accidental-touch member also has a limiting portion, which is located at the assembly position of the anti-accidental-touch member and the driving assembly. The driving assembly is provided with a limiting groove, and the limiting portion is slidably limited in the limiting groove. The first elastic member is installed in the installation groove, and the two ends of the first elastic member are respectively abutted against the anti-accidental-touch member and the driving assembly.

4. A convenient quick-install assembly according to claim 2, characterized in that: The driving assembly includes a locking member and an unlocking member located on one side of the locking member, one end of the locking member is movably connected to the anti-mistouch member, the other end of the locking member is rotatably connected to the base body and movably connected to the disassembly and assembly assembly, and the locking member is provided with a positioning groove; one end of the unlocking member is movably connected to the base body, and the unlocking member can be embedded in or out of the positioning groove.

5. A convenient quick-install assembly according to claim 4, characterized in that: The locking member includes a driving part, a turntable part and a torsion spring, one end of the driving part is fixedly connected to the turntable part, the other end of the driving part is movably connected to the anti-mistouch part, the turntable part is rotatably connected to the base body and movably connected to the disassembly and assembly component, and the positioning groove is formed on the turntable part; the torsion spring is sleeved on the turntable part, and the two ends of the torsion spring are respectively fixed to the base body and the turntable part.

6. The convenient quick-install assembly according to claim 4, characterized in that: The unlocking member includes a pressing portion, an embedding portion and a second elastic member, the pressing portion is fixed to the embedding portion, one end of the pressing portion passes through the seat body, the second elastic member is sleeved on the pressing portion, and the two ends of the second elastic member are respectively abutted against the pressing portion and the seat body, and the embedding portion can be embedded in or out of the positioning groove.

7. The convenient quick-install assembly according to claim 1, characterized in that: The disassembly and assembly component includes a mounting member and a bearing. The mounting member is provided with a second slide groove. The bearing is rotatably connected to the driving component, and the bearing slides along the second slide groove.

8. The convenient quick-install assembly according to claim 7, characterized in that: Both side walls on the inner side of the assembly groove are provided with limiting grooves, and both side walls of the mounting member are provided with limiting protrusions corresponding to the limiting grooves, and the limiting protrusions are sleeved in the limiting grooves.

9. The convenient quick-install assembly according to claim 1, characterized in that: The seat body is also provided with a plurality of mounting holes.

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