CN111739482B - Piano pedal vibration playing machine - Google Patents

Piano pedal vibration playing machine Download PDF

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Publication number
CN111739482B
CN111739482B CN201910219633.4A CN201910219633A CN111739482B CN 111739482 B CN111739482 B CN 111739482B CN 201910219633 A CN201910219633 A CN 201910219633A CN 111739482 B CN111739482 B CN 111739482B
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China
Prior art keywords
telescopic
plate
sliding
pedal
column
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CN201910219633.4A
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CN111739482A (en
Inventor
吴敬
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Binzhou University
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Binzhou University
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Priority to CN201910219633.4A priority Critical patent/CN111739482B/en
Publication of CN111739482A publication Critical patent/CN111739482A/en
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10CPIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C3/00Details or accessories
    • G10C3/26Pedals or pedal mechanisms; Manually operated sound modification means
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10CPIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C9/00Methods, tools or materials specially adapted for the manufacture or maintenance of musical instruments covered by this subclass

Abstract

The invention discloses a piano pedal vibration playing machine, which comprises a bottom plate, wherein a vertical plate is arranged on the left side of the upper end of the bottom plate, a vibration playing device is arranged on the upper end of the vertical plate, a support is arranged in the middle of the left side of the vertical plate, the left end of the support is fixedly connected with the cambered surface of a sliding cylinder, the central axis of the sliding cylinder forms a ninety-degree included angle with the plane where the bottom plate is located.

Description

Piano pedal vibration playing machine
Technical Field
The invention relates to the technical field of piano processing production equipment, in particular to a piano pedal vibration machine.
Background
In the process of processing and producing a piano, a piano pedal needs to be continuously stepped on so as to adjust a piano sounder to be synchronously opened, traditional stepping detection is often completed by manpower, the workload is large, the stepping effect is not ideal enough, even a few special vibration playing devices are also problematic, the structure is complex, the mounting and the use are inconvenient, the fixing are not firm enough, great trouble is brought to the use of a user, stable stepping on the rhythm of the piano pedal can not be realized according to the requirement, the stability is not enough in the stepping process, the workload of personnel is increased, the inclined angle of a stepping plate is unchanged, the fact that the stepping plate can step on a steel piano pedal at a proper angle can not be ensured, the condition of invalid stepping caused by the fact that the angle is not right cannot be avoided, the detection quality of the piano pedal is bad, the workload of personnel is increased in intangibly, the use efficiency of the vibration playing machine is low, and therefore the realization of the piano pedal vibration playing machine capable of solving the problems is necessary.
Disclosure of Invention
The invention aims to overcome the existing defects, and provides the piano pedal vibration playing machine which is simple in structure, convenient to install and use, firm in fixation, and capable of bringing great convenience to users, realizing stable pedal of the piano pedal through the vibration playing device according to requirements, reducing the workload of personnel, realizing rapid adjustment of the inclination angle of the pedal plate through the inclination angle adjusting device, ensuring that the pedal plate can pedal the piano pedal at a proper angle, avoiding the occurrence of ineffective pedal conditions caused by the fact that the angle is not right, ensuring the detection quality of the piano pedal, reducing the workload of personnel, improving the use efficiency of the vibration playing machine, and effectively solving the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a piano footboard shakes and plays machine, includes the bottom plate, the upper end left side of bottom plate is equipped with the riser, the upper end of riser is equipped with shakes and plays the device, the left side middle part of riser is equipped with the pillar, the left end of pillar and the cambered surface fixed connection of slide, the central axis of slide becomes ninety degrees contained angles with the plane at bottom plate place, the section of thick bamboo inner wall spout of slide and the surperficial draw runner sliding connection of slide, the upper end connecting block of slide rotates with the link through the pivot and is connected, the upper end of link is with shake the bottom fixed connection of pendulum rod in playing the device, the bottom of slide is equipped with the telescopic column, the stiff end surface of telescopic column is equipped with adjust knob, the telescopic end bottom of telescopic column is equipped with inclination adjusting device, the bottom of rotatory piece in the inclination adjusting device and the upper surface center fixed connection of pedal, the upper end of bottom plate is equipped with control switch, control switch's input electricity is connected external power source.
As a preferable technical scheme of the invention, the vibration playing device comprises a servo motor, wherein the upper end of the right side of the vertical plate is provided with the servo motor, an output shaft of the servo motor penetrates through a side through hole of the vertical plate and is fixedly connected with the right end of a rotating shaft through a coupler, the left end of the rotating shaft is provided with a semicircular rotary disc, the center of a tangential surface of the semicircular rotary disc is provided with a rotary rod, a bottom fixing shaft of the rotary rod is rotationally connected with a shaft sleeve, the cambered surface of the shaft sleeve is fixedly connected with the upper end of the swing rod, and the input end of the servo motor is electrically connected with the output end of a control switch.
As a preferable technical scheme of the invention, the inclination adjusting device comprises a rotating frame, wherein the bottom end of the telescopic column is provided with the rotating frame, the rotating frame is rotationally connected with a rotating block through a rotating shaft, one side of the upper surface of the pedal plate is hinged with an adjusting telescopic column through a hinge, and the top end of the telescopic end of the adjusting telescopic column is hinged with the middle part of the surface of the telescopic end of the telescopic column through a hinge.
As a preferable technical scheme of the invention, a hook is arranged in the middle of the right side of the vertical plate, the hook is a stainless steel hook, two symmetrically distributed reinforcing ribs are arranged at the bottom end of the side surface of the vertical plate, the bottom ends of the reinforcing ribs are fixedly connected with the upper surface of the bottom plate, and uniformly distributed fixing threaded holes are arranged at four corners of the upper end of the bottom plate.
As a preferable technical scheme of the invention, the length of the sliding column is longer than that of the sliding cylinder.
Compared with the prior art, the invention has the beneficial effects that: this piano footboard shakes machine of playing, simple structure, fixed screw hole and installation site screw hole threaded connection on with the bottom plate through the bolt, realize the quick firm fixed of device, very big facility has been brought for user's use, regulation and control through control switch, servo motor operation, the output shaft rotates and drives rotation axis and semicircle carousel rotation, and then drive the bull stick and rotate, because the bottom fixed axle of bull stick is rotated with the axle sleeve and is connected, the bottom link of pendulum rod and the upper end connecting block of slide column are rotated through the pivot and are connected, the surface slide bar of slide column is in the spout sliding connection of slide inner wall, realize that the below is stepped on the clamp plate and the rhythmicity of piano footboard is stable to be stepped on and is pressed, and then quick adjustment piano sounder can be opened in step on, personnel's work burden has been reduced, because swivel mount and rotatory piece are rotated through the pivot and are connected, the stiff end of adjusting the telescopic post is articulated through the hinge with the upper end of stepping on the clamp plate, the telescopic end of adjusting the telescopic post is articulated through the hinge, the telescopic adjusting the telescopic post realizes stepping on the quick regulation of clamp plate inclination, it can be with suitable angle to step on the steel piano footboard to avoid the angle to step on, the pedal to cause the condition to step on and failure to step on, the quality of piano has been guaranteed, the quality of the machine of performance has been reduced.
Drawings
FIG. 1 is a schematic diagram of the front of the structure of the present invention;
FIG. 2 is a schematic view of the inside cross-section of the tilt adjusting apparatus of the present invention.
In the figure: 1 a bottom plate, 2 vertical plates, 3 a vibration playing device, 31 a servo motor, 32 a rotating shaft, 33 a semicircular turntable, 34 a rotating rod, 35 a shaft sleeve, 36 a swinging rod, 4 a hook, 5 a strut, 6 a slide cylinder, 7 a connecting frame, 8 a slide column, 9 a telescopic column, 10 a tilt adjusting device, 101 a rotating frame, 102 a rotating block, 103 an adjusting telescopic column, 11 a pedal plate, 12 a control switch, 13 a fixing threaded hole and 14 a reinforcing rib.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, the present invention provides a technical solution: a piano pedal vibration player comprises a bottom plate 1, a vertical plate 2 is arranged on the left side of the upper end of the bottom plate 1, the vertical plate 2 is in supporting connection, a vibration playing device 3 is arranged on the upper end of the vertical plate 2, the vibration playing device 3 comprises a servo motor 31, the upper right end of the vertical plate 2 is provided with the servo motor 31, an output shaft of the servo motor 31 penetrates through a side through hole of the vertical plate 2 and is fixedly connected with the right end of a rotating shaft 32 through a coupler, a semicircular rotary disc 33 is arranged on the left end of the rotating shaft 32, a rotary rod 34 is arranged at the center of a tangent plane of the semicircular rotary disc 33, a bottom fixed shaft of the rotary rod 34 is in rotary connection with a shaft sleeve 35, the cambered surface of the shaft sleeve 35 is in fixed connection with the upper end of a swinging rod 36, the servo motor 31 operates, the output shaft rotates to drive the rotating shaft 32 and the semicircular rotary disc 33 to rotate, and further drive the rotary rod 34 to rotate due to the bottom fixed shaft of the rotary rod 34 to the rotary connection with the shaft sleeve 35, the bottom connecting frame 7 of the swinging rod 36 is rotationally connected with the upper connecting block of the sliding column 8 through a rotating shaft, the sliding strip on the surface of the sliding column 8 is slidingly connected in the sliding groove on the inner wall of the sliding column 6, the rhythmicity stable pedal pressing of the lower pedal pressing plate 11 and the piano pedal is realized, the piano sounder is further rapidly adjusted to be synchronously opened, the middle part of the left side of the vertical plate 2 is provided with a support column 5 which is in supporting connection, the left end of the support column 5 is fixedly connected with the cambered surface of the sliding column 6, the central axis of the sliding column 6 and the plane of the bottom plate 1 form a ninety degree included angle, the sliding groove on the inner wall of the sliding column 6 is slidingly connected with the sliding strip on the surface of the sliding column 8, the sliding column 6 provides a sliding guiding place for the sliding column 8, the length of the sliding column 8 is larger than that of the sliding column 6, the upper connecting block of the sliding column 8 is rotationally connected with the connecting frame 7 through the rotating shaft, the upper end of the connecting block of the sliding column 8 is fixedly connected with the bottom end of the swinging rod 36 in the vibration playing device 3, the bottom end of the sliding column 8 is provided with the telescopic column 9, the fixed end surface of the telescopic column 9 is provided with an adjusting knob, the adjusting knob on the telescopic column 9 is adjusted, the telescopic column 9 stretches out and draws back, the height adjustment is realized, the bottom surface of the pedal plate 11 is contacted with the pedal surface of the piano, the bottom end of the telescopic column 9 is provided with a tilt adjusting device 10, the tilt adjusting device 10 comprises a rotating frame 101, the bottom end of the telescopic column 9 is provided with the rotating frame 101, the rotating frame 101 is rotationally connected with a rotating block 102 through a rotating shaft, one side of the upper surface of the pedal plate 11 is hinged with an adjusting telescopic column 103 through a hinge, the top end of the telescopic end of the adjusting telescopic column 103 is hinged with the middle part of the telescopic end surface of the telescopic column 9 through a hinge, according to the angle of the pedal plate, since the rotating frame 101 is rotationally connected with the rotating block 102 through a rotating shaft, the fixed end of the adjusting telescopic column 103 is hinged with the upper end of the pedal plate 11 through a hinge, the telescopic end of the adjusting telescopic column 103 is hinged with the telescopic end surface of the telescopic column 9 through a hinge, the telescopic adjusting telescopic column 103 realizes the rapid adjustment of the inclination angle of the pedal plate 11, ensures that the pedal plate 11 can pedal the piano pedal at a proper angle, avoids the occurrence of invalid pedal conditions caused by the non-pair angle, the bottom end of the rotating block 102 in the inclination adjusting device 10 is fixedly connected with the center of the upper surface of the pedal plate 11, the pedal plate 11 realizes the pressurization correction of the piano pedal, the upper end of the bottom plate 1 is provided with a control switch 12, the normal operation of the adjusting servo motor 31, the middle part of the right side of the vertical plate 2 is provided with a hook 4, which is convenient for hanging a team calibrating instrument, the hook 4 is a stainless steel hook, the bottom end of the side surface of the vertical plate 2 is provided with two symmetrically distributed reinforcing ribs 14, the bottom ends of the reinforcing ribs 14 are fixedly connected with the upper surface of the bottom plate 1, the bearing force of the connecting part is increased, four corners of the upper end of the bottom plate 1 are provided with evenly distributed fixing threaded holes 13, the fixed threaded hole 13 on the bottom plate 1 is in threaded connection with the threaded hole of the installation part through a bolt, so that the device is fast and firmly fixed, the input end of the control switch 12 is electrically connected with an external power supply, and the input end of the servo motor 31 is electrically connected with the output end of the control switch 12.
When in use: the fixed screw hole 13 on the bottom plate 1 is connected with the screw hole on the installation part by screw threads, so as to realize the quick and firm fixation of the device, according to the pedal angle of the piano, since the rotating frame 101 is rotationally connected with the rotating block 102 by the rotating shaft, the fixed end of the adjusting telescopic column 103 is hinged with the upper end of the pedal plate 11 by a hinge, the telescopic end of the adjusting telescopic column 103 is hinged with the telescopic end surface of the telescopic column 9 by a hinge, the telescopic adjusting telescopic column 103 realizes the quick adjustment of the inclination angle of the pedal plate 11, ensures that the pedal plate 11 can pedal the piano pedal at a proper angle, avoids the failure pedal condition caused by the fact of not being opposite angle, adjusts the adjusting knob on the telescopic column 9, and the telescopic column 9 stretches, the bottom surface of the pedal plate 11 is contacted with the surface of the piano pedal, the servo motor 31 is operated through the regulation and control of the control switch 12, the output shaft rotates to drive the rotating shaft 32 and the semicircular turntable 33 to rotate, and then the rotating rod 34 is driven to rotate, as the bottom fixed shaft of the rotating rod 34 is rotationally connected with the shaft sleeve 35, the bottom connecting frame 7 of the swinging rod 36 is rotationally connected with the upper connecting block of the sliding column 8 through the rotating shaft, the surface sliding strip of the sliding column 8 is slidingly connected in the sliding groove on the inner wall of the sliding column 6, the rhythmic stable pedal of the pedal plate 11 and the piano pedal at the lower part is realized, the piano sounder is rapidly regulated to be synchronously started, the operation is repeated, and after the use is finished, all devices are recovered.
According to the piano pedal, the fixed threaded holes 13 on the bottom plate 1 are in threaded connection with the threaded holes at the installation positions through bolts, the device is fast and firmly fixed, great convenience is brought to a user in use, the servo motor 31 is operated, the output shaft rotates to drive the rotating shaft 32 and the semicircular rotary table 33 to rotate, the rotating rod 34 is further driven to rotate, the bottom fixing shaft of the rotating rod 34 is rotationally connected with the shaft sleeve 35, the bottom connecting frame 7 of the swinging rod 36 is rotationally connected with the upper end connecting block of the sliding column 8 through the rotating shaft, the surface sliding strip of the sliding column 8 is in sliding connection in the sliding groove on the inner wall of the sliding column 6, the rhythmic stable pedal pressing of the lower pedal 11 and a piano pedal is achieved, further the piano damper is fast adjusted to be synchronously started, the workload of a person is reduced, the rotating frame 101 is rotationally connected with the rotating block 102 through the rotating shaft, the fixed end of the adjusting telescopic column 103 is hinged with the upper end of the pedal 11 through a hinge, the telescopic end of the adjusting telescopic column 103 is hinged with the telescopic end surface of the telescopic column 9 through the hinge, the telescopic column 103 is fast adjusted in inclination angle of the pedal 11, the pedal 11 is guaranteed to be suitable for the pedal 11 to be in angle, the pedal pressing condition is not to be influenced by the pedal pressing, the piano pedal quality is prevented from being invalid, the piano pedal quality is prevented from being influenced by the pedal pressing machine is guaranteed, and the pedal quality is not to be used.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (1)

1. The utility model provides a piano footboard shake machine, includes bottom plate (1), its characterized in that: the utility model discloses a power supply, which is characterized in that a vertical plate (2) is arranged on the left side of the upper end of a bottom plate (1), a vibration device (3) is arranged on the upper end of the vertical plate (2), a support column (5) is arranged in the middle of the left side of the vertical plate (2), the left end of the support column (5) is fixedly connected with the cambered surface of a sliding cylinder (6), the central axis of the sliding cylinder (6) and the plane of the bottom plate (1) form a ninety-degree included angle, a cylinder inner wall sliding groove of the sliding cylinder (6) is in sliding connection with a surface sliding strip of the sliding cylinder (8), an upper connecting block of the sliding cylinder (8) is rotationally connected with a connecting frame (7) through a rotating shaft, the upper end of the connecting frame (7) is fixedly connected with the bottom end of a swinging rod (36) in the vibration device (3), the bottom end of the sliding cylinder (8) is provided with a telescopic column (9), the fixed end surface of the telescopic column (9) is provided with an adjusting knob, the telescopic end of the telescopic column (9) is provided with a tilt adjusting device (10), the bottom end of a rotating block (102) is fixedly connected with the upper surface center of the pedal (11), the upper end of the sliding block (12) of the sliding block (1) is provided with a control switch (12), the upper end of the electric motor (31) is arranged at the outer side of the vibration device (31), the output shaft of the servo motor (31) penetrates through a side through hole of the vertical plate (2) and is fixedly connected with the right end of the rotating shaft (32) through a coupler, the left end of the rotating shaft (32) is provided with a semicircular rotary plate (33), the center of a tangent plane of the semicircular rotary plate (33) is provided with a rotary rod (34), a bottom fixing shaft of the rotary rod (34) is rotationally connected with a shaft sleeve (35), the cambered surface of the shaft sleeve (35) is fixedly connected with the upper end of a swinging rod (36), the input end of the servo motor (31) is electrically connected with the output end of a control switch (12), the inclination adjusting device (10) comprises a rotary frame (101), the bottom end of a telescopic end of the telescopic column (9) is provided with the rotary frame (101), the rotary frame (101) is rotationally connected with a rotary block (102) through a rotary shaft, one side of the upper surface of a pedal plate (11) is hinged with an adjusting telescopic column (103) through a hinge, the top end of the telescopic end of the adjusting telescopic column (103) is hinged with the middle of the telescopic end of the telescopic column (9) through a hinge, the middle part of the right side of the vertical plate (2) is provided with hooks (4), the middle part of the right side of the vertical plate (2) is provided with stainless steel, the hooks (4) are the input ends of the control switch (12) are electrically connected with the output ends of the control switch (12), the bottom ends of the telescopic rods (14) are evenly distributed on the bottom plate (14) and the bottom surface of the bottom plate (14) and the bottom plate (13) are evenly distributed on the bottom plate (13), the length of the sliding column (8) is larger than that of the sliding cylinder (6).
CN201910219633.4A 2019-03-21 2019-03-21 Piano pedal vibration playing machine Active CN111739482B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910219633.4A CN111739482B (en) 2019-03-21 2019-03-21 Piano pedal vibration playing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910219633.4A CN111739482B (en) 2019-03-21 2019-03-21 Piano pedal vibration playing machine

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CN111739482A CN111739482A (en) 2020-10-02
CN111739482B true CN111739482B (en) 2023-07-21

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB386486A (en) * 1932-04-08 1933-01-19 Richard Ernest Smith Improvements in or relating to devices for actuating the pedals of pianofortes or the like
GB388060A (en) * 1931-08-13 1933-02-13 Emanuel Moor Improvements in and relating to pianofortes provided with devices for producing tremolos
JP2001042859A (en) * 1999-08-02 2001-02-16 Kawai Musical Instr Mfg Co Ltd Pedal regulating device for piano
JP2006154505A (en) * 2004-11-30 2006-06-15 Yamaha Corp Pedal performance support device
CN105372045A (en) * 2014-08-18 2016-03-02 宜昌金宝乐器制造有限公司 Vibration play machine
CN206179491U (en) * 2016-11-10 2017-05-17 佛山市高明区子昊钢琴有限公司 Intelligent piano
CN106683641A (en) * 2017-01-10 2017-05-17 佳木斯大学 Automatic piano adjusting device for vocal music performance and adjusting method of automatic piano adjusting device

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Publication number Priority date Publication date Assignee Title
CN87206952U (en) * 1987-04-24 1988-05-25 广州钢琴厂 Piano playing test device
US6528713B2 (en) * 2001-02-21 2003-03-04 Yamaha Corporation Keyboard musical instrument having height controllable pedals
JP3775308B2 (en) * 2001-02-21 2006-05-17 ヤマハ株式会社 Grand piano pedal device
JP3123422U (en) * 2006-05-02 2006-07-20 株式会社イトーシンミュージック Auxiliary pedal device for piano performance
JP6464867B2 (en) * 2015-03-25 2019-02-06 ヤマハ株式会社 Support assembly and keyboard device
CN107281701A (en) * 2017-08-08 2017-10-24 王利 A kind of Neurology resumes training device with lower limb
CN208126849U (en) * 2017-11-20 2018-11-20 青岛理工大学 A kind of children piano auxiliary is foot-operated
CN108986771B (en) * 2018-08-27 2022-04-05 广州欧米勒钢琴有限公司 Piano pedal vibration machine
CN109011361A (en) * 2018-09-30 2018-12-18 淄博正邦知识产权企划有限公司 A kind of reinforcement plate of adaptive stepless adjustable pedal angle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB388060A (en) * 1931-08-13 1933-02-13 Emanuel Moor Improvements in and relating to pianofortes provided with devices for producing tremolos
GB386486A (en) * 1932-04-08 1933-01-19 Richard Ernest Smith Improvements in or relating to devices for actuating the pedals of pianofortes or the like
JP2001042859A (en) * 1999-08-02 2001-02-16 Kawai Musical Instr Mfg Co Ltd Pedal regulating device for piano
JP2006154505A (en) * 2004-11-30 2006-06-15 Yamaha Corp Pedal performance support device
CN105372045A (en) * 2014-08-18 2016-03-02 宜昌金宝乐器制造有限公司 Vibration play machine
CN206179491U (en) * 2016-11-10 2017-05-17 佛山市高明区子昊钢琴有限公司 Intelligent piano
CN106683641A (en) * 2017-01-10 2017-05-17 佳木斯大学 Automatic piano adjusting device for vocal music performance and adjusting method of automatic piano adjusting device

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