JPS6333266Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field of the Invention] This invention relates to a twin beater type drum pedal device for a bass drum.

[Technical background of the invention and its problems]

When assembling a drum set that uses two bass drums, conventionally the two bass drums were actually set, but due to space constraints, setting up two bass drums in this way meant that the cymbals, snare drum, etc. Setting up other instruments becomes extremely difficult, and the number of instruments is also limited, so recently, instead of using two bass drums, one bass drum has been used, and this one bass drum can be used to It is played using a twin beater type drum pedal device that has two beaters and two footboards.

FIG. 5 shows a conventional twin beater type drum pedal device for a bass drum. This twin beater type drum pedal device includes two beaters and a first footboard for rotating the first beater. A drum pedal unit A is connected to the drum pedal unit A, a footboard unit B is provided with a second footboard for rotating a second beater of the drum pedal unit A, and the footboard unit B and the drum pedal unit A are connected. It consists of drive shaft C.

The drum pedal unit A is a bass drum D.
This drum pedal unit A has the following configuration.

In the figure, 1 is a base placed on the floor, and on this base 1, two left and right columns 2a and 2b are erected. 3 is a hoop clamp member for clamping the head holding hoop of the bass drum D; 4 is a clamp screw for pressing the clamp member 3 against the head holding hoop; It is connected to the bass drum D by sandwiching the head holding hoop of the bass drum D.

5 is a first rotation shaft supported horizontally on the upper end of the right column 2a of the two left and right columns 2a, 2b, and 6 is a second rotation shaft supported horizontally on the upper end of the left column 2b. The base ends of beaters 7 and 8, which strike the drum head, are fixed to both rotating shafts 5 and 6, respectively.

Reference numeral 9 denotes a first footboard, and the first rotation shaft 5 is rotated by pressing down on the first footboard 9, and thereby the first rotation shaft 5 fixed to the first rotation shaft 5 is rotated. Beater 7 is designed to hit the drum head.

10 connects the first rotation shaft 5 to a first footboard 9
This is a first beater return spring that returns the first beater 7 by rotating in the opposite direction to the rotation direction when the foot is depressed, and this first beater return spring 10, the first foot board 9, The moving shaft 5 and the first beater 7 constitute a first drum pedal.

Further, 11 is a second beater return spring, and the second beater 8 fixed to the second rotating shaft 6 is returned by this second beater return spring 11. .

On the other hand, the footboard unit B is installed near the high hat cymbal that is played by a pedal.
is the base 1 placed on the floor with the support 13 erected.
2, a rotation shaft 14 supported horizontally on the upper end of the support column 13; a second footboard 15 for rotating the rotation shaft 14; It consists of a footboard return spring 16 that rotates in a direction opposite to the direction of movement.

The drive shaft C is composed of two shafts 17 and 18 connected via a universal joint 19, and one shaft 17 is connected to the second shaft of the drum pedal unit A via a joint pipe 20. The other shaft 18 is connected to the rotating shaft 14 of the footboard unit B via a joint pipe 21.

This drive shaft C converts the rotational force of the rotational shaft 14 caused by depressing the second footboard 15 into a second
The drive shaft C, the footboard unit B, and the drum pedal unit A are transmitted to the rotation shaft 6 to rotate the second beater 8.
The second rotation shaft 6 and the second beater 8 constitute a second drum pedal.

Note that 22 and 23 are the base 1 of the drum pedal unit A and the footboard unit B.
The connecting members 22 and 23 are connected and fixed by bolts 24 so as to be able to adjust the angle.

However, the conventional twin beater type drum pedal device described above has only one beater because its drum pedal unit A, footboard unit B, and drive shaft C are all dedicated to the twin beater type drum pedal device. If a person who only owns a single beater type drum pedal wants to install a new twin beater type drum pedal device, he/she must purchase all of the drum pedal unit A, footboard unit B, and drive shaft C newly. In particular, the drum pedal unit A has a first pivot shaft 5 and a second pivot shaft mounted on two pillars 2a and 2b erected on the base 1.
The first rotation shaft 5 and the second rotation shaft 6 are supported.
Since the first beater 7 and the second beater 8 are fixed to the rotating shaft 6, it is quite expensive, so there is a problem that it costs a lot of money to provide a twin beater type drum pedal device. It was hot.

[Purpose of invention]

This invention was made in view of the above-mentioned circumstances, and its purpose is to make it possible to construct a twin-beater drum pedal device using a single-beater drum pedal. Even if a person who only owns a single-beater drum pedal wants to install a new twin-beater drum pedal device, at least one of its components that corresponds to the first drum pedal does not need to be newly purchased. To provide a twin beater type drum pedal device for a bass drum that can be used in a bass drum.

[Summary of the idea]

That is, the twin beater type drum pedal device for bass drums of this invention includes a base on which a support is provided, a footboard, and a rotation shaft that is supported horizontally on the upper end of the support and rotates when the footboard is depressed. A single beater type comprising: a beater that rotates together with the rotation shaft to hit the drum head; and a beater return spring that rotates the rotation shaft in the opposite direction to the direction of rotation when the footboard is depressed. A drum pedal, a frame installed outside the single beater type drum pedal, a rotating shaft supported horizontally by the frame, and a beater that rotates together with the rotating shaft to hit the drum head. , a beater unit for a second drum pedal including a beater return spring that rotates the rotation shaft in the opposite direction, a base having a support column, a footboard, and a beater unit horizontally supported on the upper end of the support support. a footboard unit for a second drum pedal, comprising a rotation shaft that rotates when the footboard is depressed; a rotation shaft of the footboard unit for the second drum pedal and a beater unit for the second drum pedal; and a drive shaft that connects the second drum pedal beater unit to the rotation shaft, and the second drum pedal beater unit is supported by the single beater drum pedal by detachably attaching its frame to the support of the single beater drum pedal. It is characterized by:

[Example of idea]

An embodiment of this invention will be described below with reference to FIGS. 1 to 4.

In Figures 1 to 3, 30 is the bass drum D.
This single beater type drum pedal 30 is a single beater type drum pedal disposed opposite to the single beater type drum pedal 30, and this single beater type drum pedal 30 has been widely commercially available.

To explain the configuration of this single beater type drum pedal 30, 31 in the figure is a pair of support columns 3 on both sides.
A base 33 placed on the floor on which 2 and 32 are erected.
is a rotating shaft provided horizontally with both ends supported by the upper ends of the pair of pillars 32, 32, and a beater support member 34 is fixed to the intermediate portion of this rotating shaft 33.

The beater support member 34 consists of a circular belt wrapping part 34a and a beater mounting part 34b provided on the side surface of the belt wrapping part 34a.The beater 35 that hits the drum head has its base end It is fixed to the beater attachment part 34b and is provided so as to rotate together with the rotation shaft 33.

36 is a footboard base connected to the base 31 via a connecting rod 37, 38 is a footboard whose base end is pivotally supported by the footboard base 36, and a non-stretchable belt 39 is attached to the tip of the footboard 38. One end is fastened. The other end of the belt 39 is wrapped around the belt wrapping portion 34a of the beater support member 34 over approximately half the circumference, and its tip is connected to a set screw 4.
0 to the belt wrapping portion 34a.

This belt 39 suspends and supports the tip of the footboard 38, and is pulled downward when the footboard 38 is stepped down to rotate the beater support member 34 together with the rotation shaft 33. The beater support member 34 rotates when the footboard 38 is depressed, and the beater support member 34 is rotated to strike the drum head.

Further, 41 is a cam plate that is fixed downward to one end of the rotation shaft 33 and rotates integrally with the rotation shaft,
A spring-loaded roller 42 is attached to the tip of the cam plate 41.

Reference numeral 43 denotes a beater return spring, and the upper end of this spring 43 is hung on the spring hanging roller 42 via a hanging ring 44.
Further, 45 is a spring receiving plate attached to the lower end side of one of the pillars 32, 46 is a spring retaining bolt 46 inserted through this spring receiving plate 45 so as to be able to move up and down, and the beater return spring 4
The lower end of the spring retaining bolt 46 is engaged with the upper end of the spring retaining bolt 46.

Further, a spring force adjusting nut 47 is screwed onto the lower end side of the spring retaining bolt 46 to allow the spring retaining bolt 46 to be received on the lower surface of the spring receiving plate 45. This spring force adjustment nut 47 is for adjusting the spring force of the beater return spring 43. When this spring force adjustment nut 47 is turned in the tightening direction, the spring retaining bolt 46 moves downward, returning the beater. The beater return spring 43 is stretched and its spring force becomes stronger, and when the spring force adjustment nut 47 is turned in the opposite direction, the spring force of the beater return spring 43 becomes weaker. In addition,
Reference numeral 48 denotes a lock nut which is screwed onto the spring locking bolt 46 so as to be movable up and down. By tightening, it is locked to the spring receiving plate 45, whereby the spring force of the beater return spring 43 is maintained at the adjusted spring force.

The beater return spring 43 is for restoring the beater 35 that has hit the drum head by being rotated by pressing down on the foot board 38. When the foot board 38 is pressed down, the beater 35 rotates and hits the drum head, and this As the cam plate 41 moves, the beater return spring 4
Rotate while stretching 3, foot board 38
When the foot is released, the cam plate 41 is rotated back by the spring force of the beater return spring 43, and the beater 35 is returned to its original position, and the footboard 38 is also returned to its original position.

Note that 49 is a hoop crank member that clamps the head holding hoop of the bass drum D, 50 is a clamp screw that presses this clamp member 49 against the head holding hoop, and the base 31 is connected between the upper surface of the base 31 and the clamp member 49. It is connected to the bass drum D by sandwiching the head holding hoop of the bass drum D between the two.

On the other hand, 51 is a beater unit for a second drum pedal constituting a second drum pedal. a frame body 52 installed on the opposite side), a rotating shaft 53 supported horizontally on this frame body 52, and a second beater that rotates together with this rotating shaft 53 and hits the drum head. 54 and
It is provided with a beater return spring 55 that rotates the rotation shaft 53 in the opposite direction.

Both ends of the rotation shaft 53 are connected to the frame body 5.
The frame body 52 is arranged so as to protrude outside of both side frames of 2.
The second beater 54 is fixed to the end of the rotating shaft 53 on the single beater type drum pedal 30 side and rotates integrally with the rotating shaft 53. The base end of the beater is fixed to the moving beater support member 57, and the frame 52
is located outside.

Further, 53a is a large-diameter shaft portion formed in a portion of the rotating shaft 53 inside the frame 52, and 58 is a metal cam member rotatably fitted to the outer periphery of the large-diameter shaft portion 53a. be. This cam member 58 is a vertically elongated member having a fitting hole with the large diameter shaft portion 53a in the center, and a slot on the upper end side that opens from the large diameter shaft fitting hole to the upper end of the cam member. A portion 59 is formed.

60 is a cam member lock screw provided on the upper end side of the cam member 58;
is inserted from the outside into one of the side plate portions sandwiching the slotted portion 59 of the cam member 58, and is screwed to the other side plate portion.

This lock screw 60 is used to tighten and fix the cam member 58 to the large-diameter shaft portion 53a of the rotation shaft 53. When this lock screw 60 is tightened, the slotted portion 59 contracts and the cam member 58 is attached to the rotation shaft 53. It is adapted to be tightened and fixed to the large diameter shaft portion 53a of.

Further, the cam member 58 is rotated by loosening the lock screw 60 when adjusting the return position of the second beater 54, and the cam member 58 is tightened and fixed to the large diameter shaft portion 53a of the rotation shaft 53. Therefore, the rotation axis 53 can be rotated at any rotation angle.
Since the second beater can be fixed to the large diameter shaft portion 53 of the second beater, the return position of the second beater can be adjusted in infinitely small pitches.

A spring-loaded roller 61 is attached to the side surface of the lower end of the cam member 58, and a hanging ring 6 is attached to the upper end of the beater return spring 55.
2 to the spring-loaded roller 61.

Reference numeral 63 denotes a spring retaining bolt that is inserted into the lower frame of the frame body 52 so as to be movable up and down, and the lower end of the beater return spring 55 is engaged with the upper end of the spring retaining bolt 63.

Further, a spring force adjusting nut 64 is screwed onto the lower end side of the spring retaining bolt 63 to receive the spring retaining bolt 63 on the lower surface of the lower frame of the frame body 52. This spring force adjustment nut 64 is for adjusting the spring force of the beater return spring 55. When this spring force adjustment nut 64 is turned in the tightening direction, the spring retaining bolt 63 moves downward, thereby returning the beater. The beater return spring 55 is stretched and its spring force becomes stronger, and when the spring force adjustment nut 64 is turned in the opposite direction, the beater return spring 5 is
The spring force in step 5 becomes weaker. Note that 65 is a lock nut screwed onto the spring locking bolt 63 so as to be able to move up and down, and the spring force of the spring locking bolt 63 is adjusted by bringing the lock nut 65 into contact with the upper surface of the lower frame of the frame body 52. Natsuto 6
By tightening the beater return spring 5, it is locked to the lower frame of the frame body 52.
The spring force of 5 is maintained at an adjusted spring force.

This second drum pedal beater unit 51
The second drum pedal beater unit 51 is supported by the single beater drum pedal 30 by detachably attaching its frame 52 to the pillar 32 of the single beater drum pedal 30.
is attached to the support column 32 of the single beater type drum pedal 30 in the following manner.

On the outside of the frame 52 of the beater unit 51 for the second drum pedal, as shown in FIGS.
Two strut mounting portions 66, 66 for 2 are provided in a protruding manner in upper and lower stages. Flange portions are provided protrudingly on both sides of the distal end of the column mounting portion 66, and a V-shaped column fitting groove 66a that fits into the column 32 from the outside is provided at the center of the end surface of the column mounting portion 66. are formed, and screw holes are provided in the flanges on both sides.

Further, reference numerals 67 and 67 attach the support 32 of the single beater type drum pedal 30 to the support mounting portions 66 and 67.
A V-shaped support fitting groove 67a is formed in the center of the support member 67 to fit into the support support 32 from the inside, and screw insertion holes are provided in both sides. is provided.

Numerals 68 and 68 are tightening screws that are screwed into the screw holes of the support column attachment portion 66 through the screw insertion holes of the padding member 67.

That is, the beater unit 51 for the second drum pedal is attached to the support 32 of the single beater type drum pedal 30 by sandwiching the support 32 between the support support 67, 67 and the support 67, 67. After the height of the second drum pedal beater unit 51 is adjusted with the tightening screws 68, 68 loosened, the tightening screws 68, 68,
By tightening the screws 68, it is fixed to the column 32 of the single beater drum pedal 30, and by removing the tightening screws 68, 68, it can be removed from the single beater drum pedal 30.

Further, in FIG. 1, reference numeral 69 is a second drum pedal footboard unit constituting the second drum pedal, and this second drum pedal footboard unit 69 is installed near the high hat cymbal. be.

This second drum pedal footboard unit 69 consists of a base 70 placed on the floor with pillars 71, 71 erected on both sides, and a second footboard 72.
and a rotation shaft 73 that is supported horizontally on the upper ends of the pillars 71, 71 and is rotated by pressing down on the second footboard 72, and the second footboard 72 is connected to the single beater drum. Similar to the footboard 38 of the pedal 30, the base 7
0 connected to the footboard base (not shown)
The proximal end is pivoted to.

Further, around the rotation shaft 73, a circular belt wrapping member 75 is wound around the other end of a non-stretchable belt 74 whose one end is fixed to the tip of the second footboard 72.
The belt 74 is wound around the belt wrapping member 75 over approximately half its circumference, and its tip is fixed to the belt wrapping member 75 with a set screw 76.

This belt 74 suspends and supports the tip of the second footboard 72 and is pulled downward when the second footboard 72 is stepped down, causing the belt wrapping member 75 to rotate together with the rotation shaft 73. Yes, the second footboard 7 was stepped down.
2 is the second drum pedal beater unit 5;
Beater return spring 55 provided in 1
It is designed to be restored by the spring force of.

Further, in FIG. 1, reference numeral 77 indicates a rotation shaft 7 of the second drum pedal footboard unit 69.
3 and the second drum pedal beater unit 51
This is a drive shaft that connects the rotating shaft 53.

This drive shaft 77 connects the rotating shaft 53 of the second drum pedal beater unit 51 and the joint pipe 8.
1, a first shaft 78 connected via a second shaft 78;
A rotation shaft 73 of a drum pedal footboard unit 69 and a second shaft 79 are connected via a universal joint 80 so that the angle can be adjusted. A slide shaft 79b connected to a universal joint 80 is inserted into a pipe shaft 79a connected to a rotation shaft 73 of the footboard unit 69, so that the length can be adjusted. Furthermore, 82 is the slide shaft 79b.
This is the fixing screw.

The second drum pedal, which is constituted by the beater unit 51 for the second drum pedal, the footboard unit 69 for the second drum pedal, and the drive shaft 77 that connects the rotating shafts 53, 73, is also moved by pressing down on the footboard. The drum head is struck by rotating the beater. When the second footboard 72 is lowered, the second beater 54 rotates and strikes the drum head, and with this movement, the cam member 58 releases the beater return spring. When the cam member 58 is rotated while stretching the second foot board 72 and the foot is removed from the second foot board 72, the cam member 58 is rotated to return by the spring force of the beater return spring 55, returning the second beater 54 to its original position and returning the second beater 54 to its original position. The footboard 72 is adapted to return to its original position.

Therefore, in this twin beater type drum pedal device for bass drum, the single beater type drum pedal 30 is used as it is as the first drum pedal, and the second drum pedal is attached to the support 32 of the single beater type drum pedal 30. It is composed of a removably attached second drum pedal beater unit 51, a second drum pedal footboard unit 69, and a drive shaft 77 that connects the rotating shafts 53, 73.
When a person who only owns a single beater type drum pedal wants to install a new twin beater type drum pedal device, the beater unit 51 for the second drum pedal, the footboard unit 69 for the second drum pedal, and the drive Shaft 7
The beater unit 51 for the second drum pedal has a simpler structure and is cheaper than the drum pedal unit A in the conventional twin beater type drum pedal device shown in FIG. Therefore, a twin beater type drum pedal device can be provided at low cost.

In the above embodiment, a dedicated footboard unit 69 for the second drum pedal is used, but a person who intends to install a twin beater type drum pedal device may own two single beater type drum pedals. If the second drum pedal footboard unit is a single beater type drum pedal, in that case,
The beater may be removed from a single beater type drum pedal to provide a second drum pedal footboard unit.

Further, in the above embodiment, the drive shaft 77
Although a drive shaft in which a first shaft 78 and a second shaft 79 are connected via a universal joint 80 is used, this drive shaft may be a flexible shaft.

[Effect of idea]

According to this invention, a twin-beater drum pedal device can be constructed using a single-beater drum pedal, so a person who only owns a single-beater drum pedal can install a new twin-beater drum pedal device. Even if it is intended to be provided, there is no need to newly purchase the component parts corresponding to the first drum pedal, and therefore the twin beater type drum pedal device can be provided at low cost.

[Brief explanation of drawings]

Figures 1 to 4 show an embodiment of this invention, with Figure 1 being a front view of a twin beater type drum pedal device, and Figure 2 showing a single beater type drum pedal and a beater for the second drum pedal. The enlarged front view of the unit, FIGS. 3 and 4, are sectional views taken along lines - and - in FIG. 2. FIG. 5 is a front view of a conventional twin beater type drum pedal device. 30...Single beater type drum pedal, 31
... Base, 32 ... Support column, 33 ... Rotation axis, 3
5...beater, 38...footboard, 43...
Beater return spring, 51... Beater unit for second drum pedal, 52... Frame, 53...
Rotating shaft, 54...Second beater, 55...Beater return spring, 69...Footboard unit for second drum pedal, 70...Base, 71...
Pillar, 73...Rotating shaft, 72...Second footboard, 77...Double shaft.

Claims (1)

[Claims for Utility Model Registration] A base on which a support is erected, a footboard, a rotation shaft that is supported horizontally on the upper end of the support and rotates when the footboard is stepped down, and is integrated with this rotation shaft. a single-beater type drum pedal comprising: a beater that rotates to hit a drum head; and a beater return spring that rotates the rotation axis in a direction opposite to the direction of rotation caused by pressing down on a footboard; A frame installed on the outside of the drum pedal, a rotating shaft supported horizontally on the frame, a beater that rotates together with this rotating shaft to hit the drum head, and a beater that rotates the rotating shaft in the opposite direction. a beater unit for a second drum pedal, which is equipped with a beater return spring that rotates the beater, a base on which a support is provided, a footboard, and a footboard that is supported horizontally on the upper end of the support and rotates when the footboard is depressed. a second drum pedal footboard unit comprising a second drum pedal footboard unit; and a drive connecting the second drum pedal footboard unit and the second drum pedal beater unit. a shaft, and the second drum pedal beater unit is supported by the single beater type drum pedal by detachably attaching its frame to the support of the single beater type drum pedal. Twin beater type drum pedal device.