JPH0538691U - Musical instrument support rack for drum set - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a musical instrument support rack for a drum set capable of dramatically increasing the number of supporting instruments. [Structure] An upper rack frame 10B is supported above a lower rack frame 10A supported by a pedestal 20 via columns 29,
Pipe holders 30 for supporting musical instruments are attached to the rack frames 10A and 10B, respectively.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a musical instrument support rack for a drum set.

[0002]

[Prior Art]

 The drum set consists of bass drum, tom tom, floor tom, snare drum, cymbal and hi-hat cymbal.

When setting this drum set on a performance stage, conventionally, a bass drum is laid horizontally on a stage, and a tom holder is mounted on the bass drum so that the tom tom is supported by the tom holder. Has a supporting leg attached to its torso and is installed on the stage. Furthermore, snare drums and cymbals each stand on a stage with a tripod type leg and are supported by this stand.

However, if all the stands for snare drums and cymbals are set up on the stage in this way, a large number of stands stand on the stage, and the legs of these stands cross each other, causing the legs to stand on the stage. There will be no footsteps. For this reason, recently, it has been considered that an instrument support rack is installed on the stage and some instruments are supported by the rack without using a stand.

As this musical instrument support rack, the one described in the specification and drawings of Japanese Utility Model Application No. 57-149220 has been conventionally known. This musical instrument support rack includes a rack frame composed of one front beam member and two left and right side beam members connected to both ends of the front beam member, a pedestal supporting the rack frame, and a rack frame. It is composed of a number of removable pipe holders for supporting musical instruments that can be attached at any desired location.

The front beam member and the side beam member of the rack frame are made of square pipes, and bent portions extending at right angles behind the front beam member are formed at both ends of the front beam member. There is. In addition, the left and right side beams are both straight beams.Each side beam is attached to the front beam by pivotally attaching one end to the tip of the bent portion of the front beam with a pin. It is connected so that it can be folded over. The pedestals are provided at four positions, that is, both end portions of the front beam member and outer end portions of the side beam members, and the upper ends of the pedestals project from the lower surface of each beam member. The bracket is detachably screwed.

Further, the pipe holder is fitted to the outside of the beam member of the rack frame and screwed to the beam member. The pipe holder holds and fixes the lower pipe of the musical instrument support arm. A pipe holder is provided.

This musical instrument support rack is used in a state in which the rack frame is expanded into a shape, and the rack frame is horizontally supported above the stage by pedestals provided at the four positions. Of the various musical instruments that make up the drum set, floor type instruments such as bass drums are placed on the stage, and some of the other musical instruments are installed on the lower pipe of the supporting arm. Is held by a pipe holder attached to a rack frame and supported by the rack, and the rest of the musical instruments are set up with a stand on the stage.

Therefore, by using the above-mentioned musical instrument support rack, some of the musical instruments that compose the drum set can be arranged on the stage without standing, so that the number of stands can be reduced and You can set the drum set neatly.

[0010]

[Problems to be solved by the device]

 However, the above-mentioned conventional instrument supporting rack has a problem that the number of supporting instruments cannot be increased so much. This is because the support arm of each musical instrument must be placed in a position where it does not touch other musical instruments, their supporting arms, etc., so there are restrictions on the number of musical instrument supporting arms and their placement positions. Is.

Therefore, in the conventional musical instrument support rack, when the number of musical instruments supported by the rack is small, and therefore the number of musical instruments that make up the drum set is large, a musical instrument that needs to be set up on the stage must be installed. The number will increase. An object of the present invention is to provide a musical instrument support rack for a drum set which can dramatically increase the number of supported musical instruments.

[0012]

[Means for Solving the Problems]

 The musical instrument support rack of the present invention comprises a lower rack frame connecting at least three beam members, an upper rack frame connecting at least three beam members, and a plurality of pedestals supporting the lower rack frame. A plurality of pillars that are erected on the lower rack frame to support the upper rack frame, and a plurality of detachable instrument-supporting pipe holders that are attached to arbitrary positions of the lower rack frame and the upper rack frame, respectively. It is characterized by having and.

[0013]

[Action]

 According to this musical instrument support rack, since the musical instruments can be respectively supported by the lower rack frame and the upper rack frame, the number of musical instruments that can be supported by this rack greatly increases.

[0014]

【Example】

 Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a perspective view showing a usage state of a musical instrument support rack, FIG. 2 is a plan view of a usage state of a lower rack frame, FIG. 3 is a plan view of a lower rack frame separated into individual beam members, and FIG. 4 is an upper stage. FIG. 5 is a plan view of the rack frame in a used state, and FIG. 5 is a plan view of the upper rack frame in a folded state.

The musical instrument support rack of this embodiment includes a lower rack frame 10A and an upper rack frame 10B in which four horizontal beam members 11 are connected via a joint member 14, and an intermediate portion 3 of the lower rack frame 10A. Five pedestals 20 that support the location and both ends, a plurality of columns 29 that stand upright on the lower rack frame 10A and support the upper rack frame 10B, the lower rack frame 10A and the upper rack frame. 10B is provided with a plurality of detachable musical instrument supporting pipe holders 30, which are respectively attached to arbitrary positions.

First, the lower rack frame 10A will be described. Each beam member 11 of the lower rack frame 10A is made of a square metal pipe having a square cross section as shown in FIGS. An end cover 12 made of synthetic resin is fitted. Circular through holes 13 are formed in both ends of the beam member 11 so as to penetrate the beam member upper and lower surfaces. The four beam members 11 constituting the rack frame 10A all have the same size, and the thickness is 40 mm × 40 mm, and the length is the diameter of the bass drum 1 shown in FIG. The length (1.2 m to 1.8 m) is sufficiently larger than 56 cm to 66 cm. The joint member 14 connecting the beam members 11 of the lower rack frame 10A is composed of upper and lower joint plates 14a and 14b.

10 and 11 show the upper joint plate 14a. The upper joint plate 14a is made of a flat metal plate, and circular holes 15 having the same diameter as the through hole 13 of the beam member 11 are formed at both ends thereof. The upper joint plate 14a has a thickness of 4 mm and a length of 12 mm, and the distance between the two circular holes 15 provided at both ends (the distance between the centers of the holes) is 65 mm.

12 and 13 show the lower joint plate 14b. The lower joint plate 14b is made of a metal plate having the same shape and size as the upper joint plate 14a, and a cylindrical nut 16 is vertically projected from the upper surface of one end of the lower joint plate 14b. The lower end of this cylindrical nut 16 is fitted into one circular hole 15 of the lower joint plate 14b and is caulked to the lower joint plate 14b.

The joint member 14 composed of the upper and lower joint plates 14 a and 14 b has an end portion of one beam member 11 of the two beam members connected via the joint member 14 at one end thereof. Mounted on.

FIG. 6 is a cross-sectional view of the beam member connecting portion of the lower rack frame 10A, in which one end of the upper joint plate 14a passes through the circular hole 15 of one beam member (right beam member in the figure) 11 A cylindrical nut 16 which is superposed on the upper surface of the beam member 11 according to the hole 13 and which projects vertically to the upper surface of one end of the lower joint plate 14b is fitted into the through hole 13 of the one beam member 11. The beams 11 are combined and overlapped on the lower surface of the beam 11. Then, the upper and lower joint plates 14a and 14b are fixed to the upper and lower surfaces of the beam 11 by the tightening screws 17.

The tightening screw 17 is inserted into the beam member 11 from the upper surface of the upper joint plate 14a through the circular hole 15 and the through hole 13 of the beam member 11, and is screwed into the cylindrical nut 16 of the lower joint plate 14b. When the tightening screw 17 is tightened, the upper joint plate 14a is pressed and fixed on the upper surface of the beam 11 by the head of the tightening screw 17 via the large-diameter washer 18, and the lower joint plate 14b is fixed. It is pressed and fixed to the lower surface of the beam 11.

As shown in FIG. 6, the other end of each of the joint plates 14a and 14b has a circular hole 15 connected to the other beam member 11 (the left beam member in the figure). ) In a state of being aligned with the through hole 13 of 11, the beam member 11 is superposed on the upper and lower surfaces of the beam member 11, and is connected to the other beam member 11 by using the supporting legs 20 which support the intermediate portion of the lower rack frame 10A. It

FIG. 14 is a sectional view of the upper end portion of the pedestal 20. The pedestal 20 is made of a metal round pipe, and a rack frame attached to the circular hole 15 of the joint plates 14a and 14b and the through hole 13 of the beam member 11 at its upper end so as to be freely rotatable. The shaft 22 is vertically projected. The rack frame mounting shaft 22 is integrally provided on the upper surface of the plug member 21 fitted to the upper end of the pipe and fixed by the screw 23. The protruding height of the rack frame mounting shaft 22 from the upper end surface of the supporting leg is slightly smaller than the height of the upper and lower joint plates 14a and 14b stacked on the upper and lower surfaces of the beam member 11, and the upper end portion thereof has The hole 22a is provided vertically. The height of the pedestal 20 is about 70 cm to 80 cm, and a rubber shoe member 24 (see FIG. 1) is attached to the lower end thereof.

As shown in FIG. 6, the supporting leg 20 that supports the intermediate portion of the lower rack frame 10A is attached to the overlapping portion of the joint plates 14a and 14b and the other beam member 11. That is, the supporting leg 20 is inserted with the rack frame mounting shaft 22 at the upper end thereof through the circular hole 15 of the lower joint plate 14b, the through hole 13 of the beam member 11 and the circular hole 15 of the upper joint plate 14a. It is attached to the section and is fixed by a tightening screw 25.

The tightening screw 25 is screwed into the screw hole 22a of the rack frame mounting shaft 22 through the circular hole 15 from the upper surface of the upper joint plate 14a. When the tightening screw 25 is tightened, The plate 14a is pressed and fixed to the upper surface of the beam 11 by the head of the tightening screw 25 through the large-diameter washer 26, and the lower joint plate 14b is pressed and fixed to the lower surface of the beam 11 by the upper end surface of the pedestal 20. At the same time, the upper end surface of the pedestal 20 is fastened to the lower surface of the lower joint plate 14b to fix the pedestal 20.

Further, the joint member 14 including the joint plates 14 a and 14 b is also attached to the outer ends of the beam members 11 at both ends of the rack frame 10 to support the ends of the rack frame 10. 20 is attached to the joint member 14.

FIG. 7 is a cross-sectional view of one end of the lower rack frame 10 A. One end of the upper and lower joint plates 14 a and 14 b is attached to the outer end of the beam 11. Since the structure for attaching the joint plates 14a and 14b to the beam 11 is the same as the structure for attaching the joint plate to one beam 11 shown in FIG. 6, the description thereof is given the same reference numerals in the drawings. And omit.

Further, a spacer pipe 27 having the same length as the height of the beam 11 and larger than the rack frame mounting shaft 22 of the supporting leg 20 is inserted between the other ends of the upper and lower joint plates 14 a and 14 b. ..

As shown in FIG. 7, the supporting leg 20 supporting the end portion of the lower rack frame 10A has its rack frame mounting shaft 22 connected to the circular hole 15 of the lower joint plate 14b, the spacer pipe 27 and the upper joint plate 14a. It is inserted into the circular hole 15 and is attached to the other end of the joint plates 14a and 14b, and is fixed by a tightening screw 25 in the same manner as the intermediate support leg.

Next, the upper rack frame 10B will be described. The beam members 11 of the upper rack frame 10B are made of the same square pipes as the beam members 11 of the lower rack frame 10A, and end covers 12 are fitted at both ends thereof, and beam members are provided at both ends. A circular through hole 13 is formed to penetrate through the upper and lower surfaces.

The joint member 14 that connects the beam members 11 of the upper rack frame 10B is composed of upper and lower joint plates 14a and 14c. Since the upper joint plate 14a is the same as the upper joint plate 14a of the lower rack frame 10A, the description thereof will be omitted.

Further, as shown in FIGS. 16 and 17, the lower joint plate 14c is made of a metal plate having the same shape and size as the upper joint plate 14a, and the upper surfaces of both end portions thereof are respectively cylindrical. -Shaped nuts 16 project vertically. This cylindrical nut 16 is the same as the cylindrical nut 16 provided on the lower joint plate 14b of the lower rack frame 10A. The lower end of each cylindrical nut 16 is fitted into the circular hole 15 of the lower joint plate 14c. And is caulked to the lower joint plate 14c. Both ends of the joint member 14 composed of the upper and lower joint plates 14a and 14c are attached to the end portions of the two beam members 11 connected to each other via the joint member 14, respectively.

FIG. 15 is a cross-sectional view of the beam member connecting portion of the upper rack frame 10 B, and the upper joint plate 14 a is fitted with the circular holes 15 at both ends of the upper joint plate 14 a so that the through holes 13 of both beam members 11 are aligned. The lower joint plate 14c is fitted on the lower surfaces of both beam members 11 by fitting cylindrical nuts 16 projecting perpendicularly to the upper surfaces of both ends of the lower joint plate 14c into the through holes 13 of both beam members 11. Be done.

Both ends of the upper and lower joint plates 14a and 14c are fixed to the upper and lower surfaces of both beam members 11 by tightening screws 17 screwed into the cylindrical nut 16 of the lower joint plate 14c. The tightening screw 17 is the same as the tightening screw 17 for fixing the joint plates 14a, 14b of the lower rack frame 10A to one beam member 11. When the tightening screw 17 is tightened, the upper joint plate 14a is The head of the tightening screw 17 presses and fixes the upper surface of the beam 11 through the large-sized washer 18, and the lower joint plate 14c presses and fixes the lower surface of the beam 11.

On the other hand, the column 29 that supports the upper rack frame 10B is made of a round metal pipe, and the lower end of the column 29 is detachably attached to the lower rack frame 10A. The upper rack frame 10B is erected vertically on the frame 10A and is detachably attached to the upper ends of the columns 29. The height of the column 29 is 1.2 m to 1.6 m, and the upper rack frame 10B is supported sufficiently above the lower rack frame 10A while being sufficiently separated from the lower rack frame 10A. In addition, as shown in FIG. 1, the support columns 29 are located near the outer ends of the beam members 11 at both ends of the rack frames 10A and 10B, and at the connecting portions between the beam members 11 at both ends and the intermediate beam member 11. It will be provided at a total of 4 locations including the vicinity.

FIG. 18 shows a mounting structure of the column 29. The lower end and the upper end of the column 29 are attached to the lower rack frame 10A and the upper rack frame 10B by the pipe holder 30.

The pipe holder 30 is the same as the musical instrument supporting pipe holder 30 attached to the arbitrary positions of the lower and upper rack frames 10A and 10B, and the pipe holder 30 is configured as follows. 19 and 20 are a plan view and a side view of the pipe holder 30, FIG. 21 is an enlarged cross-sectional view thereof, and FIG. 22 is a support state view of a musical instrument support arm.

The pipe holder 30 includes a rack frame clamp portion 31 that is detachably attached to the beam member 11 of the rack frames 10A and 10B, and a pipe holding portion 37 that detachably holds the lower pipe 50 of the musical instrument support arm. It consists of

The rack frame clamp portion 31 is bent at a right angle from the upper and lower ends of the back plate that abuts on one side surface of the beam member 11 of the rack frames 10A and 10B and contacts the upper surface and the lower surface of the beam member 11. The frame 32 includes an upper plate and a lower plate that are in contact with each other, and a front plate 33 that is in contact with the other side surface of the beam 11. Both the frame 32 and the front plate 33 are made of a metal plate. The front plate 33 is attached to the frame 32 so as to be openable and closable with its base end pivotally supported by the hinge shaft 34 at the front end of the frame top plate. It has been done.

The lower plate of the frame 32 extends forward from the front end of the frame upper plate, and the front end of the front plate 33 is bent forward at a right angle. Bolt insertion holes are provided in the extending portions of the lower plate 33a and the frame.

The rack frame clamp portion 31 is attached to the beam member 11 by opening the front plate 33 thereof as shown by a chain line in FIG. 19 and fitting the frame 32 to the beam member 11 of the rack frame 10. It The rack frame clamp portion 31 closes the front plate 33 as shown by the solid line in FIG. 19, and fastens the front plate 33 to the lower plate of the frame 31 with fastening bolts 35 and lock nuts 36 with handles. As a result, it is fixed to the beam member 11 as shown in FIGS.

After the front plate 33 is closed, the fastening bolt 35 is inserted into the bolt insertion hole of the bent portion 33a from above, and is further projected downward through the bolt insertion hole of the frame lower plate. The bolt insertion hole provided in the bent portion 33a of the front plate 33 is a square hole, and the fastening bolt 35 has a square protrusion 35a formed on the lower surface of its head fitted into the square hole. It will be stopped. Further, the lock nut 36 is screwed into a portion of the fastening bolt 34 that projects to the lower surface of the frame.

Then, when the lock nut 36 is tightened to the fastening bolt 34, the lower surface plate of the frame 32 is pressed against the lower surface of the beam member 11 by the lock nut 36, and at the same time, the fastening bolt 34 and the front plate 33 are fixed. The upper plate of the frame 32 is pressed against the upper surface of the beam member 11 through the rack frame clamp portion 31 and fixed to the beam member 11.

On the other hand, the pipe holding portion 37 of the pipe holder 30 is composed of a pair of pipe holding blocks 38 and 39. Both of the pair of blocks 38 and 39 are metal castings, and the central portions of the surfaces of the blocks 38 and 39 facing each other over the entire height thereof are the above-mentioned support columns 29 or the lower pipe of the musical instrument support arm. Semi-circular recessed portions 38a, 39a for holding (a circular pipe having the same diameter as the column 29) 50 are formed.

Of the pair of pipe clamping blocks 38, 39, one block 38 is a fixed block fixed to the rack frame clamp portion 31, and the other block 39 is contacted with and separated from the fixed block 38. The fixed block 38 is fixed to the back surface of the frame 32 of the rack frame clamp portion 31 by two bolts 40 on the left and right.

That is, as shown in FIG. 21, the fixing block 38 is provided on both sides thereof with a penetrating front and rear surface thereof, and on both sides of the rear plate of the frame 32, corresponding to the screw holes 38b. The fixed block 38 is fixed to the back surface of the frame 32 by screwing the two bolts 40 into the screw holes 38b through the counter holes 32a of the frame rear plate. It

The two bolts 40 have a dish-shaped head 40a, and a tool fitting hole 40b for turning the bolt is provided in the head 40a. When tightened to the face plate, the dish-shaped head 40a of the bolt 40 comes into close contact with the bottom face of the dish hole 32a, and the bolt 40 is fixed to the frame back plate.

Further, the two bolts 40 are long bolts projecting long in front of the fixed block 38, and the movable block 39 has through holes 39b provided on both sides thereof respectively. It is loosely fitted to the fixed block 38 and is provided so as to be movable toward and away from the fixed block 38.

Further, a retaining nut 41 that receives the outer surface of the movable block 39 is screwed into a portion of the two bolts 40 that protrudes to the outer surface of the movable block 39.

A coil spring 42, which is sandwiched in a compressed state between the fixed block 38 and the movable block 39, is loosely fitted to the other bolt 40, and further projects to the outer surface of the movable block of the other bolt 40. A tightening nut 43 with a handle for tightening the movable block 39 in the direction of the fixed block 38 is screwed onto the portion.

Then, as shown in FIG. 18, the lower end portion and the upper end portion of the support column 29 are inserted between the semicircular recessed portions 38 a, 39 a of the fixed block 38 and the movable block 39, and the tightening nut 43 is inserted. It is clamped and fixed between both blocks 38, 39 by tightening. Further, when the tightening nut 43 is loosened, the movable block 39 is opened and rotated by the spring force of the coil spring 42 as shown by a chain line in FIG. 21, and the fixation of the support column 29 is released.

This also applies to the support of the musical instrument support arm. As shown in FIG. 22, the lower pipe 50 of the musical instrument support arm also has a semi-circular recess 38 a between the fixed block 38 and the movable block 39. It is inserted between 39a and fixed by tightening the tightening nut 43, and the fixing is released by loosening the tightening nut 43.

Note that FIG. 22 shows a state in which the lower pipe 50 of the musical instrument support arm is held vertically. However, since the beam member 11 is a square pipe having a square cross section, the pipe holder 30 is It is also possible to attach to the beam member 11 in a posture rotated by 90 degrees from the state of FIG. 22 (the posture in which the pipe holding portion 37 is located above or below the beam member 11). By attaching 30 to the beam 11, the pipe 50 can be held horizontally.

As shown in FIG. 1, the musical instrument support rack having the above-described structure horizontally supports the lower rack frame 10A above the performance stage by the pedestals 20, and further supports the lower rack frame 10A above the lower rack frame 10A by the columns 29. It is used with the upper rack frame 10B supported horizontally.

The positions of the beam members 11 of the lower rack frame 10A and the upper rack frame 10B are determined by loosening the tightening screws 17 shown in FIGS. 6 and 15 and rotating the beam members 11 in the horizontal direction. You can choose arbitrarily. That is, when the tightening screw 17 is loosened, the joint member 14 and the beam member 11 can rotate relative to each other with the cylindrical nut 16 as an axis, so that the beam member 11 can be rotated to an arbitrary position.

The beam member 11 of the lower rack frame 10A may be loosened by tightening the tightening screw 25 for fixing the support leg 20, and when the tightening screw 25 is loosened, the joint member 14 and the beam member 11 are stilted. The beam members 11 can be rotated to arbitrary positions because the rack frame mounting shafts 22 of the respective units 20 can rotate relative to each other.

As shown in FIG. 1, among various musical instruments constituting the drum set, floor-standing type musical instruments such as a bass drum 1, a floor tom 2, a snare drum (not shown), and a hi-hat cymbal 3 are It is placed on the stage using the supporting legs 1a, 2a or the stand 3a. Among the other musical instruments, the tom tom 4 and the like are arranged such that their supporting arms 4a are supported by the lower rack frame 10A of the musical instrument supporting rack, and the large and small cymbals 5 and the microphone 6 are provided with their supporting arms. 5a and 6a are supported by the lower rack frame 10A and the upper rack frame 10B.

The supporting arms 4 a, 5 a, 6 a of the various musical instruments 4, 5 and the microphone 6 are provided with a lower pipe 50 and an upper part which is attached to the lower pipe 50 through a rotary joint 52 so as to be adjustable in angle. The musical instrument support arms 4a, 5a, 6a are constituted by a pipe 51, and the lower pipe 50 thereof is installed by being held by a pipe holder 30 attached to an arbitrary position of the rack frames 10A, 10B.

According to the musical instrument support rack, the lower rack frame 10A and the upper rack frame 10B can respectively support musical instruments, so that the number of musical instruments that can be supported by this rack increases dramatically.

Therefore, by using the above-mentioned musical instrument support rack, most of the musical instruments that compose the drum set can be arranged without standing a stand on the stage, so that the drum set can be set orderly on the stage.

In the musical instrument support rack, the pipe holder 30 is removed from the rack frames 10A and 10B, and the rack is disassembled into the rack frames 10A and 10B, the pedestals 20, and the support columns 29. Be transported.

In this case, in the musical instrument support rack, one end of the joint member 14 that connects the beam members 11 of the lower rack frame 10 A to the two beam members that are connected via the joint member 14. Since one of the beam members 11 is connected via the rack frame mounting shaft 22 of the pedestal 20, when the pedestal 20 is removed from the lower rack frame 10A when the rack is disassembled, this pedestal The connection between the joint member 14 and the beam member 11 connected via the rack frame mounting shaft 22 of 20 is released, and the lower rack frame 10A is separated into the beam members 11 as shown in FIG. Further, the upper rack frame 10B is folded and transported as shown in FIG.

In the above embodiment, the lower rack frame 10A and the upper rack frame 10B are each constituted by four beam members 11, but the number of beam members constituting these rack frames 10A, 10B is Any number may be used as long as it is at least three or more.

[0064]

[Effect of the device]

 According to the musical instrument support rack of the present invention, the upper rack frame is supported above the lower rack frame supported by the pedestals through the columns, and the pipe holders for respectively supporting the musical instruments are attached to these rack frames. Therefore, it is possible to dramatically increase the number of supported musical instruments by supporting the musical instruments on the lower rack frame and the upper rack frame, respectively.

[Brief description of drawings]

FIG. 1 is a view showing a state in which a musical instrument support rack according to an embodiment of the present invention is used.

FIG. 2 is a plan view of a lower rack frame in use.

FIG. 3 is a plan view showing a state where a lower rack frame is separated into individual beam members.

FIG. 4 is a plan view of the upper rack frame in a used state.

FIG. 5 is a plan view of an upper rack frame in a folded state.

FIG. 6 is a cross-sectional view of a beam member connection portion of a lower rack frame.

FIG. 7 is a cross-sectional view of one end of the lower rack frame.

FIG. 8 is a side view of a beam member forming a rack frame.

9 is a sectional view taken along line IX-IX in FIG.

FIG. 10 is a plan view of the upper joint plate of the lower rack frame.

FIG. 11 is a sectional view of the upper joint plate.

FIG. 12 is a plan view of a lower joint plate of a lower rack frame.

FIG. 13 is a sectional view of the lower joint plate.

FIG. 14 is a sectional view of an upper end portion of a pedestal.

FIG. 15 is a cross-sectional view of a beam member connecting portion of an upper rack frame.

FIG. 16 is a plan view of a lower joint plate of the upper rack frame.

FIG. 17 is a sectional view of the lower joint plate.

FIG. 18 is a side view of a column mounting portion.

FIG. 19 is a plan view of the pipe holder.

FIG. 20 is a side view of the pipe holder.

21 is an enlarged sectional view taken along line XXI-XXI in FIG.

FIG. 22 is a side view showing a state where a musical instrument support arm is supported by a pipe holder.

[Explanation of symbols]

10A ... lower rack frame, 10B ... upper rack frame, 11 ...
Beam members, 20 ... Pillars, 29 ... Struts, 30 ... Pipe holders.

Claims (1)

[Scope of utility model registration request] 1. A lower rack frame connecting at least three beam members, an upper rack frame connecting at least three beam members, a plurality of pedestals for supporting the lower rack frame, and the lower rack. A plurality of columns that are erected on the frame to support the upper rack frame; and a plurality of removable instrument holder pipe holders that are attached to arbitrary positions of the lower rack frame and the upper rack frame, respectively. Instrument support rack for drum set.