JP2008046286A - Foot pedal apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a foot pedal apparatus capable of fully securing the movement distance of a foot pedal part in back and forth direction of a keyboard instrument without impairing appearance of the whole instrument. <P>SOLUTION: Guide members 20 are provided on each opposed surface 4a of a pair of stand side boards 4 for supporting both side parts of an instrument case, slide members 21 are mounted in the guide members 20 slidably in the back and forth direction of the instrument case and formed longer than the width of the back and forth direction of a pedal holding member 6, and both end parts of the pedal holding member 6 arranged between the stand side boards 4 are mounted in the slide members 21. Consequently, when the slide members 21 are moved along the guide members 20, the pedal holding member 6 is moved in the back and forth direction of the instrument case. In this way, it is made possible to adjust the back and forth position of a foot pedal part 7 and fully secure the movement distance of the foot pedal part 7 because the slide members 21 are longer than the width of the back and forth direction of the pedal holding member 6, without impairing appearance of the whole instrument. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a foot pedal device used for a keyboard instrument such as an electronic piano or an organ.

Conventionally, in a foot pedal device used for a keyboard instrument such as an electronic piano, as described in Patent Document 1, a pedal holding member is fixed between a pair of stand side plates that support both sides of the keyboard instrument. A pedal box is attached to the pedal holding member so as to be slidable in the front-rear direction of the keyboard instrument.
JP-A-2005-70565

  In this case, the pedal box includes a box main body disposed in a box mounting portion provided at an intermediate portion of the pedal holding member, and a foot pedal is mounted on the box main body, and the box main body is mounted in the box mounting portion of the pedal holding member. The keyboard instrument is slidably mounted in the front-rear direction. That is, guide grooves are provided on opposing surfaces of the box mounting portion of the pedal holding member, and slide protrusions are provided on both sides of the box body. Accordingly, the pedal box is configured such that the slide protrusion slides along the guide groove provided in the box mounting portion of the pedal holding member.

  However, in such a conventional foot pedal device, a box mounting portion is provided in the middle portion of the pedal holding member fixed between the pair of stand side plates that support both sides of the keyboard instrument, and the pedal box is provided in the box mounting portion. Since the keyboard instrument is slidably mounted in the front-rear direction, the movement distance of the pedal box in the front-rear direction relative to the keyboard instrument is limited by the width in the front-rear direction of the pedal holding member. In addition, there is a problem that the pedal box cannot be secured sufficiently, and when the pedal box is moved in the front-rear direction, the pedal box is displaced in the front-rear direction of the pedal holding member, and the pedal box protrudes forward and backward of the pedal holding member. There is also a problem that the appearance of the entire instrument is impaired.

  The problem to be solved by the present invention is to provide a foot pedal device that can secure a sufficient distance of movement of the foot pedal portion in the front-rear direction of the keyboard instrument without impairing the appearance of the entire musical instrument.

In order to solve the above problems, the present invention includes the following components.
In addition, the reference numerals of the drawings attached to the respective elements described in the section of each embodiment described later are attached to the respective constituent elements together with parentheses.

As shown in FIGS. 1 to 10, the invention described in claim 1 includes a pedal holding member (6) disposed between a pair of stand side plates (4) supporting both sides of the keyboard instrument (1), and A foot pedal device including a foot pedal portion (7) provided on the pedal holding member,
Guide members (20) are provided on the opposing surfaces (4a) of the pair of stand side plates, and slide members (21) are attached to the guide members so as to be slidable in the front-rear direction of the keyboard instrument. The foot pedal device is characterized in that each pedal holding member is formed longer than the width (W) in the front-rear direction, and both end portions of the pedal holding member are attached to the slide member.

  As shown in FIGS. 1 to 10, the invention described in claim 2 includes a position restricting member (positioning screw 23) that restricts the front-rear position of the slide member (21) with respect to the guide member (20). The foot pedal device according to claim 1.

As shown in FIGS. 11 to 20, the invention according to claim 3 includes a pedal holding member (6) disposed between a pair of stand side plates (4) supporting both sides of the keyboard instrument (1), and A foot pedal device including a foot pedal portion (7) provided on the pedal holding member,
Each of the pair of stand side plates is provided with a fixing member (41), and an arm member (42) is attached to each of the fixing members so that the front and rear directions can be changed, and both end portions of the pedal holding member can be changed to the front and rear directions. It is the foot pedal apparatus characterized by being attached to.

The invention according to claim 4 includes a pedal holding member (6) disposed between a pair of stand side plates (4) supporting both sides of the keyboard instrument (1), as shown in FIGS. A foot pedal device including a foot pedal portion (7) provided on the pedal holding member,
A fixing member (41) is provided on each of the pair of stand side plates, and a rotating arm member (51) is rotatably attached to each of the fixing members, and a pedal mounting member (52) is vertically attached to each of the rotating arm members. The foot pedal device is characterized in that both ends of the pedal holding member are attached to the pedal attachment member.

  According to a fifth aspect of the present invention, as shown in FIGS. 21 to 26, a first rotational position restricting member (positioning screw 48) for restricting the rotational position of the rotating arm member (51) with respect to the fixing member (41). And a second rotational position restricting member (positioning screw 61) for restricting the rotational position of the pedal mounting member (52) relative to the rotating arm member. Device.

  According to the first aspect of the present invention, the guide members are provided on the opposing surfaces of the pair of stand side plates that support both sides of the keyboard instrument, and the slide members can be slid in the longitudinal direction of the keyboard instrument. The slide members are formed longer than the width in the front-rear direction of the pedal holding member, and both ends of the pedal holding member are attached to the slide member, so that the slides attached to both ends of the pedal holding member By moving the member along the guide member provided on the stand side plate, the pedal holding member can be moved together with the foot pedal portion in the front-rear direction of the keyboard instrument.

  As a result, even if the foot pedal part is moved, the front and rear positions of the foot pedal part can be adjusted without impairing the overall appearance of the instrument, and each of the pair of stand side plates that support both sides of the keyboard instrument can be adjusted. Since the slide member that is slidably attached to the guide member provided on the opposite surface is formed longer than the width in the front-rear direction of the pedal holding member, the pedal holding member is made to be longer than the width in the front-rear direction. It can be moved long in the front-rear direction, so that a sufficient distance of movement of the foot pedal portion in the front-rear direction of the keyboard instrument can be secured.

  According to the invention described in claim 2, by providing the position restricting member for restricting the front / rear position of the slide member with respect to the guide member, the slide member is slid in the front / rear direction of the keyboard instrument along the guide member, When the foot pedal portion is moved to a desired position, the front / rear position of the slide member can be regulated by the position regulating member. Thus, even if the slide member is slidable with respect to the guide member, the pedal holding member can be restricted to a predetermined position, so that the foot pedal portion does not move freely during performance. Can be securely fixed at a desired front-rear position.

  According to the third aspect of the present invention, the fixing members are respectively provided on the pair of stand side plates that support the both side portions of the keyboard instrument, and the arm members are attached to the fixing members so as to be changeable in the front-rear direction. Since both ends of the pedal holding member arranged between the pair of stand side plates are attached so as to be changeable in the front-rear direction, by changing the front-rear direction of the arm member attached to the fixed member, the pedal holding member attached to the arm member can be changed. The mounting position can be changed before and after the keyboard instrument.

  For this reason, by changing the front / rear direction of the pedal holding member according to the direction of the arm member and attaching the pedal holding member to the arm member, the foot pedal part is always directed to the front side of the keyboard instrument, The position of the foot pedal part in the direction can be changed. As a result, even if the foot pedal part is moved, the front / rear position of the foot pedal part can be adjusted without impairing the overall appearance of the instrument, and the length of the arm member in the front / rear direction is twice as long. Therefore, since the foot pedal part can be moved in the front-rear direction of the keyboard instrument, a sufficient distance of movement of the foot pedal part in the front-rear direction of the keyboard instrument can be ensured.

  According to the fourth aspect of the present invention, the fixing members are respectively provided on the pair of stand side plates that support both sides of the keyboard instrument, and the rotating arm members are attached to the fixing members so as to be rotatable in the vertical direction. Since the pedal attachment member is attached to the member so as to be rotatable in the vertical direction, and both ends of the pedal holding member arranged between the pair of stand side plates are attached to the pedal attachment member, the rotation arm member is rotated with respect to the fixed member. When the pedal mounting member rotates relative to the rotating arm member, the pedal holding member attached to the pedal mounting member is always level even when the rotating arm member rotates in the vertical direction with respect to the fixed member. It can be rotated and kept in a state.

  As a result, the foot pedal part can be rotated and moved in the front-rear direction of the keyboard instrument together with the pedal holding member with the foot pedal part always directed to the front side of the keyboard instrument, so even if the foot pedal part is moved, the appearance of the entire instrument is impaired. The front and rear positions of the foot pedal portion can be easily adjusted by a simple operation of simply rotating the rotary arm member with respect to the fixed member, and the rotary arm member is similar to the invention according to claim 3. The foot pedal part can be moved in the front-rear direction of the keyboard instrument together with the pedal holding member by a length twice as long as the length in the front-rear direction. Can be secured.

  According to the fifth aspect of the present invention, the first rotation position restriction member that restricts the rotation position of the rotation arm member relative to the fixed member, and the second rotation position restriction member that restricts the rotation position of the pedal mounting member relative to the rotation arm member. When the rotary arm member is rotated with respect to the fixed member and the pedal holding member is rotated in the front-rear direction of the keyboard instrument, the first and second position restricting members Each rotational position with respect to the pedal mounting member can be regulated, so that the foot pedal part can be reliably fixed at a desired front and rear position so that the foot pedal part does not move freely during performance.

(Embodiment 1)
A first embodiment in which the foot pedal device of the present invention is applied to a keyboard instrument will be described below with reference to FIGS.
1 is a perspective view of a keyboard instrument provided with a foot pedal device according to the present invention, FIG. 2 is an enlarged cross-sectional view taken along the line AA of FIG. 1, and FIG. 3 is an enlarged plan view showing the main part of FIG. 4 is an enlarged cross-sectional view taken along line BB in FIG.
As shown in FIG. 1, the keyboard instrument 1 includes a musical instrument case 2. A keyboard portion 3 on which a large number of keys 3 a such as white keys and black keys are arranged is provided on the upper front side of the musical instrument case 2.

  A pair of stand side plates 4 for supporting the instrument case 2 are provided on both sides of the instrument case 2. The pair of stand side plates 4 has the same width as the length of the musical instrument case 2 in the front-rear direction, and is formed in a flat plate shape that is long in the vertical direction (vertical direction in FIG. 1), and the rear side between the pair of stand side plates 4 A foot pedal device 5 is provided in the lower part (the lower part on the back side in FIG. 1). As shown in FIGS. 1 to 5, the foot pedal device 5 includes a pedal holding member 6 disposed at a lower rear portion between a pair of stand side plates 4, and a foot pedal portion 7 provided on the pedal holding member 6. And. As shown in FIGS. 2 and 4, the pedal holding member 6 includes a frame 8 disposed between the pair of stand side plates 4 and a frame cover 9 that covers the frame 8.

  As shown in FIG. 2, the foot pedal portion 7 has a pedal 11 provided on a support shaft 10 provided at an intermediate portion of the frame 8 so as to be rotatable in the vertical direction, and a front end side of the pedal 11 is attached upward. A spring member 12 to be urged, a lower limit stopper 13 for restricting a lower limit position of the pedal 11, and a switch portion 14 for outputting a switch signal in accordance with the depression operation of the pedal 11 are provided. That is, as shown in FIG. 2, the pedal 11 protrudes from the pedal holding member 6 toward the front side (left side in FIG. 2) of the instrument case 2, and the rear end (right end in FIG. 2) is the frame 8. Is attached to the support shaft 10 so as to be rotatable in the vertical direction. In this case, the upper limit position of the pedal 11 is regulated by the upper surface of the pedal 11 coming into contact with the lower front end (lower left end in FIG. 2) of the frame cover 9 of the pedal holding member 6.

  The spring member 12 is a coil spring, and as shown in FIG. 2, the upper surface of the spring receiving portion 15 projecting from the middle portion of the frame 8 toward the front side (left side in FIG. 2) of the instrument case 2 and the lower surface of the pedal 11. And is configured to urge the front end side of the pedal 11 upward. As shown in FIG. 2, the lower limit stopper 13 is provided with a stopper portion 13 b protruding upward from a distal end portion of an extension portion 13 a extending from the spring receiving portion 15 toward the front side of the instrument case 2. When 11 is depressed, the lower limit position of the pedal 11 is regulated by the stopper portion 13b being relatively inserted and brought into contact with the inside of the front side of the pedal 11.

  As shown in FIG. 2, the switch member 14 includes an elastic portion 16 in which an elastic sheet such as rubber is formed in a dome shape, and a switch substrate 17 on which the elastic portion 16 is provided. As shown in FIG. 2, the switch member 14 is disposed on the frame 8 at a position located on the rear side of the spring receiving portion 15, and is a pressing protrusion provided on the rear side lower surface of the pedal 11 (right lower surface in FIG. 2). When the dome-shaped elastic portion 16 is pushed by the portion 18, the movable contact provided on the elastic portion 16 comes into contact with the fixed contact of the switch substrate 17 to output a switch signal. .

  Incidentally, as shown in FIG. 1, the pedal holding member 6 is slidably attached to the pair of stand side plates 4 so that the foot pedal device 5 moves in the front-rear direction of the musical instrument case 2. That is, a guide member 20 is provided on each facing surface 4a of the pair of stand side plates 4 as shown in FIGS. A slide member 21 is attached to the guide member 20 so as to be slidable in the front-rear direction of the musical instrument case 2 along the guide member 20. As shown in FIGS. 3 and 4, the slide member 21 is formed longer than the width W in the front-rear direction of the pedal holding member 6 and is attached to both ends of the pedal holding member 6. The slide member 21 is covered with a cover member 22 attached to the pedal holding member 6, and the position of the slide member 21 is restricted with respect to the guide member 20 by a positioning screw 23.

  In this case, as shown in FIGS. 6A to 6C, the guide member 20 includes a guide portion 25 made of a strip-shaped metal plate, and first and first guides provided at both ends of the guide portion 25. 2 mounting portions 26 and 27. As shown in FIG. 6B, the guide portion 25 is formed by bending the upper and lower sides of the metal plate formed in a band shape into a U-shape so that the guide groove portions 25a face each other on the upper and lower sides of the band-like metal plate. The structure is formed. As shown in FIG. 3, the guide portion 25 is formed to be the same as or slightly longer than the width W in the front-rear direction of the pedal holding member 6, and as shown in FIG. It arrange | positions in the state protruded from the opposing surface 4a of the stand side plate 4. FIG.

  Of the first and second mounting portions 26 and 27, the first mounting portion 26 is bent toward the opposite side of the guide groove 25a at the rear end portion (the right end portion in FIG. 6A) of the guide portion 25. As shown in FIGS. 3 and 5, the stand side plate 4 is attached to the rear end surface 4 b of the stand side plate 4 by a mounting screw 28 inserted into a screw mounting hole 26 a provided in the first mounting portion 26. The second mounting portion 27 is bent into a concave shape from the lower end portion on the front side (left side in FIG. 6A) of the guide portion 25 toward the opposite side to the guide groove portion 25a, and as shown in FIGS. It is comprised so that it may pinch | interpose into the lower end part of the stand side plate 4. FIG. Thereby, the guide member 20 is attached to the lower side of the rear portion of the opposing surface 4a of the stand side plate 4 by the first and second attachment portions 26 and 27 in a state where the guide portion 25 is horizontal.

  As shown in FIGS. 7A to 7C, the slide member 21 includes a slide portion 30 made of a band-shaped metal plate and a slide attachment portion 31 provided at the rear end portion of the slide portion 30. It is configured. As shown in FIGS. 3 and 5, the slide member 21 is slidably inserted into guide groove portions 25 a provided so that the upper and lower edges of the slide portion 30 face the upper and lower sides of the guide portion 25 of the guide member 20. In this state, the slide attachment portion 31 is attached to the frame cover 9 of the pedal holding member 6 by the fixing screw 32.

  That is, as shown in FIGS. 3 and 4, the slide portion 30 has substantially the same width as the vertical direction of the guide portion 25 of the guide member 20 and the length of the guide portion 25 in the front-rear direction, that is, the pedal holding member 6. It is formed longer than the width W in the front-rear direction. Further, as shown in FIG. 7B, a screw insertion hole 30a is provided in a substantially intermediate portion of the slide portion 30, and the front end portion of the slide portion 30 (the left end portion in FIG. 7B). Is provided with a front stopper 30b that abuts against the front edge of the guide groove 25a of the guide member 20.

  The slide mounting portion 31 of the slide member 21 is bent so that the rear end portion (the right end portion in FIG. 7A) of the slide portion 30 is opposite to the guide member 20, and the bent upper portion is further bent horizontally. The screw hole 31a is provided in the horizontally bent portion. Accordingly, as shown in FIGS. 4 and 5, the slide mounting portion 31 is configured such that the fixing screw 32 is screwed into the screw hole portion 31 a through the cover member 22 and the frame cover 9, whereby the frame cover 9 of the pedal holding member 6. It is comprised so that it can be attached to.

  As shown in FIGS. 8A and 8B, the cover member 22 includes a first cover portion 33 that covers the slide portion 30 of the slide member 21 and a second cover that covers the slide attachment portion 31 of the slide member 21. Part 34. As shown in FIGS. 3 to 5, in the cover member 22, the screw insertion hole 34 a provided in the second cover portion 34 corresponds to the screw hole portion 31 a of the slide mounting portion 31. Attached to the slide attachment portion 31 of the slide member 21 together with the frame cover 9 of the pedal holding member 6. In this case, a rear stopper portion 34 b that abuts on the first mounting portion 26 of the guide member 20 is provided at the rear end portion (the right end portion in FIG. 8A) of the second cover portion 34.

  As shown in FIGS. 3, 4, 9, and 10, the positioning screw 23 is provided in the screw insertion hole 33 a provided in the first cover portion 33 of the cover member 22 and the slide portion 30 of the slide member 21. The slide member 21 is regulated in position by screwing into either one of the screw hole portions 35a and 35b respectively provided in the front and rear portions of the guide portion 25 of the guide member 20 through the screw insertion hole 30a. 21 is configured to prevent the sliding operation.

  That is, the positioning screw 23 is provided at the front end portion of the guide portion 25 of the guide member 20 through the screw insertion hole 33a of the cover member 22 and the screw insertion hole 30a of the slide member 21, as shown in FIGS. The position of the slide member 21 is restricted to the front side of the musical instrument case 2 by screwing into the screw hole portion 35a. Further, as shown in FIGS. 9 and 10, the positioning screw 23 passes through the screw insertion hole 33 a of the cover member 22 and the screw insertion hole 30 a of the slide member 21 to the rear end portion of the guide portion 25 of the guide member 20. The position of the slide member 21 is restricted to the rear side of the musical instrument case 2 by being screwed into the provided screw hole 35b.

  According to such a foot pedal device 5, when the positioning screw 23 is loosened, the slide member 21 can be slid in the longitudinal direction of the instrument case 2 with respect to the guide member 20 fixed to the stand side plate 4. When the member 21 is slid with respect to the guide member 20, the pedal holding member 6 attached to the slide member 20 can be moved between the pair of stand side plates 4 in the front-rear direction of the musical instrument case 2. 7 can be moved together with the pedal holding member 6 in the front-rear direction.

  For this reason, even if the foot pedal part 7 is moved, the front and back positions of the foot pedal part 7 together with the pedal holding member 6 can be adjusted without impairing the overall appearance of the musical instrument. In this case, the slide member 21 slidably attached to the guide member 20 provided on the pair of stand side plates 4 that support both side portions of the musical instrument case 2 is formed longer than the width W in the front-rear direction of the pedal holding member 6. As a result, the pedal holding member 6 can be moved longer in the front-rear direction of the instrument case 2 than the length (width W) in the front-rear direction, thereby the foot pedal part 7 in the front-rear direction of the instrument case 2 Can be sufficiently secured.

  Further, since the foot pedal device 5 includes the positioning screw 23 that regulates the front-rear position of the slide member 21 with respect to the guide member 20, the slide member 21 is slid along the guide member 20 in the front-rear direction of the instrument case 2. In this state, the front / rear position of the slide member 21 can be regulated by the positioning screw 23. Thereby, even if the slide member 21 is provided so as to be slidable with respect to the guide member 20, the pedal holding member 6 can be restricted to a predetermined position in the front-rear direction of the musical instrument case 2. Therefore, the foot pedal portion 7 can be securely fixed at a desired front and rear position so that the foot pedal portion 7 does not move freely.

  Furthermore, in this foot pedal device 5, the cover member 22 that covers the slide member 21 is attached to the slide attachment portion 31 of the slide member 21 together with the frame cover 9 of the pedal holding member 6 by the fixing screw 32. Even if the slide portion 30 is formed long or the slide portion 30 moves along the guide member 20, the cover member 22 can cover the slide member 21, so that the user can be injured by the slide member 21. Therefore, it is possible to provide a highly safe product.

(Embodiment 2)
Next, a second embodiment in which the foot pedal device of the present invention is applied to a keyboard instrument will be described with reference to FIGS. In addition, the same code | symbol is attached | subjected and demonstrated to the same part as Embodiment 1 shown by FIGS.
As shown in FIGS. 11 to 14, the foot pedal device 40 of the keyboard instrument 1 is provided with a fixing member 41 on each rear end surface 4 b of the pair of stand side plates 4, and the arm member 42 is moved forward and backward on the fixing member 41. It is the structure which attached so that direction change was possible, and was attached to this arm member 42 so that both ends of the pedal holding member 6 could be changed in the front-back direction, and it is the structure substantially the same as Embodiment 1 except this.

  That is, as shown in FIGS. 15A and 15B, the fixing member 41 is a stand as shown in FIGS. 12 to 15 by bending a part of a metal flat plate into an L shape. The fixing portion 43 fixed to the lower portion of the rear end surface 4b of the side plate 4 and the attachment portion 44 to which the arm member 42 is attached are integrally formed. As shown in FIG. 15B, the fixing portion 43 is provided with a screw insertion hole 43a, and is attached to a lower portion of the rear end surface 4b of the stand side plate 4 by an attachment screw 28 inserted into the screw insertion hole 43a.

  Further, as shown in FIGS. 15 (a) and 15 (b), the attachment portion 44 is bent at a substantially right angle on the upper side of one end portion (the left end portion in FIG. 15 (b)) of the fixing portion 43, As shown in FIGS. 12 to 14, the pair of stand side plates 4 are disposed so as to protrude rearward from the rear end surface 4 b of the stand side plate 4 in a state of being located on the facing surface 4 a side. As shown in FIG. 15 (a), a shaft mounting hole 44a is provided in an intermediate portion of the mounting portion 44, and the portion located on the upper side of the shaft mounting hole 44a is as shown in FIG. In addition, a screw hole 44b is provided.

  The arm member 42 is made of a metal plate, and as shown in FIGS. 12 to 14, the arm attachment portion 45 attached to the attachment portion 44 of the fixing member 41 and the pedal attachment portion 46 attached to the end portion of the pedal holding member 6. And are integrally formed. As shown in FIGS. 16 (a) to 16 (c), the arm attachment portion 45 has substantially the same shape and the same size as the attachment portion 44 of the fixing member 41. A shaft mounting hole 45a is provided, and screw insertion holes 45b are provided at the upper and lower parts thereof. As shown in FIGS. 12 to 14, the arm attachment portion 45 has a rotation shaft 47 attached to an intermediate shaft attachment hole 45 a and a shaft attachment hole 44 a of the attachment portion 44 of the fixing member 41. The arm member 42 is configured to rotate in the vertical direction around the center.

  Further, the arm mounting portion 45 has a positioning screw 48 mounted on the arm when one of the upper and lower screw insertion holes 45b corresponds to the screw hole portion 44b provided on the upper side of the mounting portion 44 of the fixing member 41. By being screwed into the screw hole portion 44b of the fixing member 41 through the screw insertion hole 45b of the portion 45, the position is restricted and attached to the attachment portion 44 of the fixing member 41. In this case, in the arm member 42, the arm mounting portion 45 rotates 180 ° around the rotation shaft 47 in a state where the positioning screw 48 is loosened, so that the pedal mounting portion 46 moves between the front side and the rear side of the musical instrument case 2. It is comprised so that direction may change to either one.

  As shown in FIGS. 16A to 16C, the pedal attachment portion 46 extends from one end portion of the arm attachment portion 45 (the left end portion in FIG. 16B) in the surface direction of the arm attachment portion 45. The upper and lower portions of the extended portion are bent horizontally, whereby the whole is formed in a substantially U shape. As shown in FIG. 16A, the pedal mounting portion 46 is provided with screw hole portions 46a on the upper and lower surfaces of the U shape, and as shown in FIGS. 12 to 14, the screw 32 is fixed to the screw hole portion 46a. Is attached to the frame cover 9 of the pedal holding member 6 by being screwed through the frame cover 9 of the pedal holding member 6.

  In such a foot pedal device 40, when the arm member 42 is attached to the fixing member 41 fixed to the rear end face 4 b of the stand side plate 4, as shown in FIGS. 12 to 14, the pedal attachment portion 46 of the arm member 42. Is attached to the mounting portion 44 of the fixing member 41 with a positioning screw 48, and the pedal mounting portion 46 of the arm member 42 is mounted on the front side (left side in FIG. 12) of the musical instrument case 2. Is attached to the frame cover 9 of the pedal holding member 6 with the fixing screw 32, the pedal holding portion 6 is disposed in front of the fixing member 41 (left side in FIG. 12), as shown in FIGS. Accordingly, the foot pedal portion 7 is disposed in front of the fixing member 41 together with the pedal holding portion 6.

  In the foot pedal device 40, the pedal holding member 6 is removed from the pedal mounting portion 46 of the arm member 42, and the positioning screw 48 is loosened from the arm mounting portion 45 of the arm member 42 and the mounting portion 44 of the fixing member 41. When the arm member 42 is rotated 180 ° around the rotation shaft 47 of the arm mounting portion 45 in this state, the pedal mounting portion 46 of the arm member 42 is moved to the rear side of the musical instrument case 2 as shown in FIG. 17 can be directed to the right).

  In this state, the arm attachment portion 45 of the arm member 42 is attached to the attachment portion 44 of the fixing member 41 by the positioning screw 48, and the foot pedal portion 7 is directed to the front side of the musical instrument case 2 so that the pedal attachment portion 46 of the arm member 42. Is attached to the frame cover 9 of the pedal holding member 6 with the fixing screw 32, the pedal holding portion 6 is arranged behind the fixing member 41 (on the right side in FIG. 18), as shown in FIGS. Accordingly, the foot pedal portion 7 is arranged behind the fixing member 41 together with the pedal holding portion 6.

  Thus, according to the foot pedal device 40, the fixing members 41 are attached to the rear end surfaces 4 b of the pair of stand side plates 4 that support both side portions of the musical instrument case 2, and the arm members 42 are respectively attached to the fixing members 41. Since both ends of the pedal holding member 6 disposed between the stand side plates 4 are attached to the arm member 42 so as to be changeable in the front-rear direction, the direction of the arm member 42 attached to the fixing member 41 is attached. By changing the angle 180 °, the mounting position of the pedal holding member 6 attached to the arm member 42 can be changed to either the front side or the rear side of the musical instrument case 2.

  For this reason, by changing the front / rear direction of the pedal holding member 6 according to the direction of the arm member 42 and attaching the pedal holding member 6 to the arm member 42, the foot pedal portion 7 is always directed to the front side of the instrument case 2. Thus, the installation position of the foot pedal portion 7 in the front-rear direction of the instrument case 2 can be changed. Thereby, even if the foot pedal portion 7 is moved, the front and rear positions of the foot pedal portion 7 can be adjusted without impairing the overall appearance of the musical instrument, and the length of the arm member 42 in the front and rear direction, that is, the arm Since the foot pedal portion 7 can be moved in the front-rear direction of the instrument case 2 by a length twice the length of the pedal mounting portion 46 of the member 42, the movement of the foot pedal portion 7 in the front-rear direction of the instrument case 2 A sufficient distance can be secured.

  In the second embodiment, the case has been described in which the arm member 42 is configured to change the front-rear direction of the arm member 42 by rotating the arm member 42 by 180 ° about the rotation shaft 47 of the arm mounting portion 45. There is no need to rotate the arm member 42 around the shaft 47, and the arm mounting portion 45 of the arm member 42 is once removed from the mounting portion 44 of the fixing member 41, and the arm member 42 is changed in the front-rear direction to change the arm member 42 For example, the arm attachment portion 45 may be attached to the attachment portion 44 of the fixing member 41. Even if comprised in this way, there exists an effect similar to Embodiment 2. FIG.

(Embodiment 3)
Next, a third embodiment in which the foot pedal device of the present invention is applied to a keyboard instrument will be described with reference to FIGS. In this case, the same parts as those in the second embodiment shown in FIGS.
In the foot pedal device 50 of the keyboard instrument 1, a rotating arm member 51 is attached to a fixing member 41 provided on each rear end face 4 b of the pair of stand side plates 4 so as to be rotatable in the vertical direction. Each of the pedal mounting members 52 is rotatably mounted in the vertical direction, and both end portions of the pedal holding member 6 are mounted on the pedal mounting member 52. The rest of the configuration is substantially the same as in the second embodiment.

  That is, as shown in FIGS. 21 and 22, the rotary arm member 51 includes a rotary attachment portion 54 that is rotatably attached to the attachment portion 53 of the fixing member 41, and an arm attachment portion to which the pedal attachment member 52 is rotatably attached. 55. In this case, as shown in FIG. 22A, the attachment portion 53 of the fixing member 41 is provided with a shaft attachment hole 53a on its lower side, and a screw hole portion 53b on its upper side. Yes. As shown in FIGS. 21 and 22, the rotation attachment portion 54 of the rotary arm member 51 is formed longer in the vertical direction than the attachment portion 53 of the fixing member 41, and a shaft attachment hole 54a is provided in the middle portion thereof. Screw insertion holes 54b are provided in the upper and lower portions, respectively.

  As shown in FIGS. 22A to 22C, the rotation attachment portion 54 has a rotation shaft formed between a shaft attachment hole 54 a in the intermediate portion and a shaft attachment hole 53 a provided in the attachment portion 53 of the fixing member 41. 56 is attached, and the rotary arm member 51 is configured to rotate in the vertical direction about the rotation shaft 56. Further, the rotation mounting portion 54 is fixed to the fixing member 41 by the positioning screw 48 when one of the upper and lower screw insertion holes 54b corresponds to the mounting hole 53b provided on the upper side of the mounting portion 53 of the fixing member 41. It is comprised so that it may be attached to the attachment part 53 by position regulation.

  In this case, the rotary arm member 51 is rotated so that the direction of the arm attachment portion 55 changes to one of the front side and the rear side of the musical instrument case 2 by rotating the rotation attachment portion 54 about the rotation shaft 56. It is configured. On the other hand, as shown in FIG. 22A, the arm attachment portion 55 is a strip extending from one end portion of the rotation attachment portion 54 (left end portion in FIG. 22A) along the surface direction of the rotation attachment portion 54. The shaft attachment hole 55a is provided in the middle part, and the position restricting screw insertion holes 55b are provided on both sides thereof.

  As shown in FIGS. 23 (a) and 23 (b), the pedal attachment member 52 is bent first and second on both sides of the flat plate portion 57 by bending both front and rear ends of the metal plate downward. Two side portions 58 and 59 are integrally provided. In this case, as shown in FIG. 23A, the flat plate portion 57 is provided with a screw hole portion 57a substantially at the center thereof, and as shown in FIG. 21, the fixing screw 32 is connected to the pedal holding member 6 in the screw hole portion 57a. The pedal holding member 6 is attached to the frame cover 9 by being screwed through the frame cover 9.

  Further, of the first and second side surface portions 58 and 59, the first side surface portion 58 facing the arm mounting portion 55 of the rotary arm member 51 has an axis at its center as shown in FIG. A mounting hole 58a is provided corresponding to the shaft mounting hole 55a of the arm mounting portion 55, and the rotary shaft 60 is mounted on the shaft mounting hole 58a and the shaft mounting hole 55a of the arm mounting portion 55, as shown in FIG. The pedal mounting member 52 is configured to rotate in the vertical direction relative to the arm mounting portion 55 around the rotation shaft 60. A screw insertion hole 58b is provided at the end of the first side surface portion 58. On the other hand, the second side surface portion 59 is provided with a screw hole portion 59a corresponding to the screw insertion hole 58b of the first side surface portion 58, as shown in FIG.

  As a result, the pedal mounting member 52 rotates in the vertical direction relative to the arm mounting portion 55 of the rotating arm member 51 around the rotation shaft 60, so that the flat plate portion 57 is always kept horizontal and positioned. The screw 61 is inserted into the screw insertion hole 58b of the first side surface portion 58 from the screw insertion hole 55b provided in the arm mounting portion 55 of the rotary arm member 51, and the tip of the inserted positioning screw 61 is inserted into the second side surface portion 59. The pedal mounting member 52 is prevented from rotating with respect to the arm mounting portion 55 of the rotating arm member 51 by being screwed into the screw hole portion 59a.

  In such a foot pedal device 50, when the rotary arm member 51 is attached to the fixing member 41 fixed to the rear end surface 4b of the stand side plate 4, as shown in FIGS. 21 and 22 (a), the rotary arm member 51 is provided. The arm mounting portion 55 of the rotating arm member 51 is attached to the mounting portion 53 of the fixing member 41 with the positioning screw 48 in a state where the arm mounting portion 55 of the rotating member 51 is directed to the front side of the fixing member 41, and the arm mounting portion 55 is rotatable. When the attached pedal attachment member 52 is attached to the pedal holding member 6 with the fixing screw 32, as shown in FIG. 21, the pedal holding portion 6 is disposed in front of the fixing member 41, and accordingly, the foot pedal portion 7 is disposed. Is arranged in front of the fixing member 41.

  In the foot pedal device 50, the positioning screw 48 is removed from the arm mounting portion 55 of the rotating arm member 51 so that the rotating arm member 51 can rotate around the rotation shaft 56, and the pedal mounting member 52 When the positioning screw 61 is removed so that the pedal mounting member 52 is rotatable relative to the arm mounting portion 55 of the rotating arm member 51, the pedal holding member 6 can be rotated and moved backward relative to the fixing member 41. it can.

  That is, in FIG. 21, when the rotary arm member 51 is rotated counterclockwise around the rotation axis 56 of the rotary arm member 51, the pedal holding member 6 is slanted together with the pedal mounting member 52 as shown in FIGS. Move upward. At this time, since the pedal mounting member 52 rotates relative to the arm mounting portion 55 of the rotary arm member 51 around the rotation shaft 56, the pedal mounting member 52 always maintains a horizontal state, and accordingly, the pedal Since the holding member 6 also maintains a horizontal state, the foot pedal unit 7 always moves in a state where it faces the front side of the musical instrument case 2.

  Then, when the rotary arm member 51 rotates 180 ° counterclockwise, the arm mounting portion 55 of the rotary arm member 51 rotates to the rear side of the fixed member 41 as shown in FIG. The member 6 moves to the rear side of the fixing member 41 while maintaining a horizontal state together with the pedal mounting member 52. In this state, the rotation mounting portion 54 of the rotary arm member 51 is fixed to the mounting portion 53 of the fixing member 41 by positioning with the positioning screw 48 and the pedal mounting member 52 is positioned with respect to the rotary arm member 51 with the positioning screw 61. Regulate and fix. Thereby, the pedal holding part 6 is arrange | positioned behind the fixing member 41, and the foot pedal part 7 is arrange | positioned in the back side rather than the fixing member 41 in the state which faced the front side of the instrument case 2 in connection with this.

  Thus, according to the foot pedal device 50, the fixing members 41 are provided on the rear end portions 4b of the pair of stand side plates 4 that support both side portions of the musical instrument case 2, and the rotating arm members are provided on the fixing members 41, respectively. 51 is rotatably attached, the pedal mounting member 52 is rotatably attached to the rotating arm member 51, and both ends of the pedal holding member 6 are attached to the pedal mounting member 52. The rotary arm member 51 is rotated and the pedal holding member 52 is rotated with respect to the rotary arm member 51, so that the foot pedal portion 7 is always directed to the front side of the musical instrument case 2 and the foot pedal portion 7 is held by the pedal. The musical instrument case 2 can be rotated and moved together with the member 6.

  For this reason, even if the foot pedal part 7 is rotated and moved, the front and rear positions of the foot pedal part 7 can be adjusted without impairing the overall appearance of the musical instrument. The foot pedal portion 7 is moved together with the pedal holding member 6 in the front-rear direction of the instrument case 2 by the length of the arm attachment portion 55 in the front-rear direction, that is, twice the length of the arm attachment portion 55 of the rotary arm member 51. Therefore, it is possible to sufficiently secure the moving distance of the foot pedal portion 7 in the front-rear direction of the musical instrument case 2.

  In addition, the hook pedal device 50 includes a positioning screw 48 that regulates the rotational position of the rotating arm member 51 relative to the fixed member 41 and a positioning screw 61 that regulates the rotational position of the pedal mounting member 52 relative to the rotating arm member 51. Therefore, when the foot pedal portion 7 is moved to a desired position by rotating the rotary arm member 51 relative to the fixed member 41 and rotating the pedal holding member 6 in the front-rear direction of the instrument case 2, the positioning is performed. The rotation positions of the rotary arm member 51 and the pedal mounting member 52 can be regulated by the screws 48 and 61, so that the foot pedal unit 7 can be controlled in a desired manner so that the foot pedal unit 7 does not move freely during performance. It can be securely fixed at the front and rear positions.

  The present invention is not limited to Embodiments 1 to 3 described above, and the pedal holding member 6 may be moved in the front-rear direction of the musical instrument case 2 using, for example, an extendable multistage pipe. In this case, the multistage pipe sequentially stores a plurality of pipes having different thicknesses so that the pipe can be projected and retracted, and the pipe having the largest diameter is attached to the opposing surfaces 4a of the pair of side plates 4 and a pedal is attached to the tip of the smallest diameter pipe. What is necessary is just to comprise so that the pedal holding member 6 may be moved to the front-back direction of the musical instrument case 2 by attaching the edge part of the holding member 6 and making the several pipes from which thickness differs in order in this state.

It is a perspective view of the keyboard musical instrument to which this invention is applied. (Embodiment 1) It is an expanded sectional view in the AA arrow of FIG. It is the enlarged plan view which showed the principal part of FIG. It is an expanded sectional view in the BB arrow view of FIG. It is an expanded sectional view in the CC arrow of FIG. The guide member of FIG. 3 is shown, (a) is the top view of the guide member, (b) is the front view, (c) is the right view. FIG. 3 shows the slide member of FIG. 3, (a) is a plan view of the slide member, (b) is a front view thereof, and (c) is a right side view thereof. The cover member of FIG. 3 is shown, (a) is the top view of the cover member, (b) is the front view. FIG. 4 is an enlarged plan view showing a state in which the pedal holding member is slid rearward of the instrument case together with the foot pedal in FIG. 3. It is an expanded sectional view in the DD arrow of FIG. It is a perspective view of the keyboard musical instrument to which this invention is applied. (Embodiment 2) It is the side view which showed the foot pedal apparatus of FIG. It is the enlarged plan view which showed the principal part of FIG. It is an expanded sectional view in the EE arrow of FIG. The fixing member of FIG. 14 is shown, (a) is the front view of the fixing member, (b) is the right view. The arm member of FIG. 14 is shown, (a) is the top view of the arm member, (b) is the front view, (c) is the right view. It is the enlarged front view of the principal part which showed the state which changed the direction of the arm member in FIG. 14, and attached to the fixing member. It is the side view of the foot pedal apparatus which showed the state which attached the pedal holding member to the arm member of FIG. 17, and moved the foot pedal part to the back of the musical instrument case. It is the enlarged plan view which showed the principal part in the state of FIG. It is an expanded sectional view in the FF arrow view of FIG. It is the expanded sectional view which showed the foot pedal apparatus in the keyboard apparatus to which this invention is applied. (Embodiment 3) 21 shows the rotary arm member of FIG. 21, (a) is a front view of the rotary arm member, (b) is a right side view thereof, and (c) is a plan view thereof. FIG. 21 shows the pedal mounting member of FIG. 21, wherein (a) is a plan view of the pedal mounting member, (b) is a front view thereof, (c) is a rear view thereof, and (d) is a side view thereof. FIG. 22 is an enlarged cross-sectional view showing a state where the rotary arm member is rotated obliquely upward by about 45 ° in FIG. 21. FIG. 22 is an enlarged cross-sectional view showing a state where the rotary arm member is rotated obliquely upward by about 130 ° in FIG. 21. FIG. 22 is an enlarged cross-sectional view showing a state where the rotary arm member is rotated by 180 ° in FIG. 21.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Keyboard musical instrument 2 Musical instrument case 3 Keyboard part 4 Stand side plate 4a Opposite surface 4b Rear end surface 5, 40, 50 Foot pedal apparatus 6 Pedal holding member 7 Foot pedal part 20 Guide member 21 Slide member 22 Cover member 23, 48, 61 Positioning screw 32 Fixing screw 41 Fixing member 42 Arm member 51 Rotating arm member 52 Pedal mounting member 47, 56, 60 Rotating shaft

Claims (5)

A foot pedal device comprising a pedal holding member disposed between a pair of stand side plates that support both side portions of a keyboard instrument, and a foot pedal portion provided on the pedal holding member,
A guide member is provided on each of the opposing surfaces of the pair of stand side plates, and a slide member is slidably attached to the guide member in the front-rear direction of the keyboard instrument, and the slide member is attached in the front-rear direction of the pedal holding member. A foot pedal device, wherein the foot pedal device is formed longer than the width, and both end portions of the pedal holding member are attached to the slide member.   The foot pedal device according to claim 1, further comprising a position restricting member that restricts a front-rear position of the slide member with respect to the guide member. A foot pedal device comprising a pedal holding member disposed between a pair of stand side plates that support both side portions of a keyboard instrument, and a foot pedal portion provided on the pedal holding member,
Each of the pair of stand side plates is provided with a fixing member, and each arm member is attached to the fixing member so as to be changeable in the front-rear direction, and both end portions of the pedal holding member are attached to the arm member so as to be changeable in the front-rear direction. And foot pedal device. A foot pedal device comprising a pedal holding member disposed between a pair of stand side plates that support both side portions of a keyboard instrument, and a foot pedal portion provided on the pedal holding member,
Each of the pair of stand side plates is provided with a fixing member, and a rotating arm member is attached to the fixing member so as to be rotatable in the vertical direction, and a pedal mounting member is attached to the rotating arm member so as to be rotatable in the vertical direction. A foot pedal device, wherein both end portions of the pedal holding member are attached to the members.   A first rotational position restricting member that restricts the rotational position of the rotating arm member relative to the fixed member; and a second rotational position restricting member that restricts the rotational position of the pedal mounting member relative to the rotating arm member. The foot pedal device according to claim 4, wherein the foot pedal device is characterized.

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