JPH10240231A - Keyboard device - Google Patents

Keyboard device

Info

Publication number
JPH10240231A
JPH10240231A JP9047587A JP4758797A JPH10240231A JP H10240231 A JPH10240231 A JP H10240231A JP 9047587 A JP9047587 A JP 9047587A JP 4758797 A JP4758797 A JP 4758797A JP H10240231 A JPH10240231 A JP H10240231A
Authority
JP
Japan
Prior art keywords
key
guided
guide
side wall
white
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP9047587A
Other languages
Japanese (ja)
Other versions
JP3570143B2 (en
Inventor
Takamichi Masubuchi
孝道 増渕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yamaha Corp
Original Assignee
Yamaha Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yamaha Corp filed Critical Yamaha Corp
Priority to JP04758797A priority Critical patent/JP3570143B2/en
Publication of JPH10240231A publication Critical patent/JPH10240231A/en
Application granted granted Critical
Publication of JP3570143B2 publication Critical patent/JP3570143B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Electrophonic Musical Instruments (AREA)

Abstract

PROBLEM TO BE SOLVED: To reduce the manufacture cost by increasing the strength of a metal mold and improving its handling and productivity, and to actualize a key guide means which is stable and high in reliability. SOLUTION: This device consists of key units 100 constituted by supporting keys 1 having guided projection streaks for key pressing/releasing operation on a common support part 3a through swing support parts 2 so that they can swing freely in key pressing/releasing directions and a support means 5 having key guides 42 which support the units 100 through the common support part 3a, restrict the movement of the keys 1 in the key array direction, and guide the guide projection streaks. In this case, white keys having notches 53 for black key arrangement in one-side walls S1 between white keys of the units 100 are provided with guided projection streaks 40 which come into contact with the key guides 42 inside the side walls S2 having the cuts at intervals with the side walls S2 so that they are dropped from the ceiling walls 1b of the keys.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】この発明は鍵盤装置に関し、
特に金型を用いて製造する鍵盤装置における各鍵の押鍵
動作のガイド手段に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a keyboard device,
In particular, the present invention relates to a guide unit for a key pressing operation of each key in a keyboard device manufactured using a mold.

【０００２】[0002]

【従来の技術】電子楽器等の鍵盤装置においては、音高
順に並べた黒鍵および白鍵からなる複数の鍵を適当なユ
ニットに分割し、ユニットごとに金型を用いて作成して
これらを組合せて例えば１オクターブの鍵盤を形成す
る。このような鍵盤の分割ユニットは、例えば黒鍵のユ
ニットと白鍵のユニットに分割され、白鍵のユニットを
さらに２つのユニットに分割して構成される。2. Description of the Related Art In a keyboard device such as an electronic musical instrument, a plurality of keys composed of a black key and a white key arranged in a pitch order are divided into appropriate units, and each unit is prepared using a mold and these are formed. The combination forms a one-octave keyboard, for example. Such a keyboard division unit is divided into, for example, a black key unit and a white key unit, and the white key unit is further divided into two units.

【０００３】図１３は、黒鍵を介さないで隣接する白
鍵、例えばＥ鍵とＦ鍵を含む鍵ユニットの一部を示す上
面図である。白鍵（例えばＥ鍵）５１と白鍵（例えばＦ
鍵）５２は黒鍵を介することなく隣接する。白鍵５１、
５２は、それぞれ黒鍵（Ｄ＃およびＦ＃）を配設するた
めの切欠き５３を有する。各鍵５１、５２は、揺動支持
部５４を介して共通の固定支持部５５に連結される。各
鍵５１、５２は、切欠き５３のある側の屈曲した側壁
（外側輪郭のみ図示）の屈曲して鍵の幅が狭くなった部
分の下側に、この側壁と一体に突出壁（図示しない）を
垂下して可動側の被ガイド部を形成し、その下端部の外
側に押鍵動作の上限ストッパ（図示しない）に当接する
当接片５６（鍵側のストッパ片）が形成される。FIG. 13 is a top view showing a part of a key unit including a white key adjacent thereto without a black key, for example, an E key and an F key. A white key (for example, E key) 51 and a white key (for example, F key)
Key) 52 is adjacent without a black key. White key 51,
52 has notches 53 for arranging black keys (D # and F #), respectively. Each key 51, 52 is connected to a common fixed support 55 via a swing support 54. Each of the keys 51 and 52 has a protruding wall (not shown) integrally formed with the bent side wall (only the outer contour is shown) of the side having the notch 53 and a portion where the width of the key is reduced. ) Is suspended to form a movable-side guided portion, and a contact piece 56 (a key-side stopper piece) that is in contact with an upper limit stopper (not shown) for a key pressing operation is formed outside the lower end portion.

【０００４】各鍵５１、５２の切欠き５３のない側の直
線状の側壁同士が隣接し、この隣接する側壁の下側に
は、この側壁と一体に、押鍵動作ガイド手段を構成する
固定側の鍵ガイド（図示しない）に摺接する可動側の被
ガイド部（図示しない）が垂下して形成される。The straight side walls of the keys 51 and 52 on the side without the notch 53 are adjacent to each other, and the lower side of the adjacent side walls is fixed integrally with the side walls to constitute key pressing operation guide means. A guided portion (not shown) on the movable side that slides on a key guide (not shown) on the side is formed to hang down.

【０００５】このような切欠きのない側壁同士が隣接す
る白鍵を同じユニットとして金型で同時に形成する場合
がある。In some cases, the white keys adjacent to each other without such a notch are formed by a mold at the same time as the same white key.

【０００６】[0006]

【発明が解決しようとする課題】図１４は、このような
切欠きのない隣接する白鍵を同じ金型で形成する場合の
上型および下型の断面の位置関係を示す構成説明図であ
る。上型５７および下型５８間に上記白鍵用のキャビテ
ィが形成される。この場合、切欠きのない側の隣接する
両側壁に上記可動側の被ガイド部用の長いキャビティ５
９が形成されるため、下型５８に、隣接する白鍵の隙間
に対応した非常に狭い間隔の仕切部分６０が上下に長く
形成される。FIG. 14 is a structural explanatory view showing the positional relationship between the cross sections of the upper mold and the lower mold when adjacent white keys without such notches are formed by the same mold. . The cavity for the white key is formed between the upper mold 57 and the lower mold 58. In this case, the long cavities 5 for the movable-side guided portions are provided on the adjacent side walls on the side having no notch.
Since 9 is formed, partition portions 60 having extremely narrow intervals corresponding to the gap between the adjacent white keys are formed in the lower mold 58 to be vertically long.

【０００７】しかしながら、金型がこのような薄く細長
い仕切部分を有すると、この部分の強度が弱く、破損し
やすくなって取扱い性も悪くなり、生産性の低下の問題
を生ずることになる。However, when the mold has such a thin and elongated partition portion, the strength of this portion is weak, the portion is easily broken, the handleability is deteriorated, and a problem of a reduction in productivity occurs.

【０００８】一方、特開平５−１４３０６１号公報に、
押鍵動作ガイド手段として、前述のような鍵の側壁から
可動側の被ガイド部を垂下させる構成に代えて、鍵の下
側中央部分から被ガイド部を突出させて設け、この被ガ
イド部の両側に摺接する固定ガイド部を鍵支持フレーム
側に設けた構成が開示されている。On the other hand, Japanese Patent Laid-Open No. 5-143061 discloses that
Instead of the above-described configuration in which the guided portion on the movable side is hung down from the side wall of the key as described above, the guided portion is provided so as to protrude from the lower central portion of the key. A configuration is disclosed in which fixed guide portions that slide on both sides are provided on the key support frame side.

【０００９】しかしながら、この公開された公報記載技
術においては、鍵側から突出して垂下する被ガイド部
が、鍵の側壁下面までしか固定ガイド部と係合しないた
め、固定ガイド部材が鍵の内部まで進入できず鍵とフレ
ームとの相互位置が離れコンパクト性が低下するととも
に、充分安定したガイド機能が得られない。また、この
公報には、特に黒鍵用の切欠きを有する白鍵について、
切欠きの有無を考慮した技術思想の開示がなく、本発明
の課題が示唆されない。However, according to the technology described in this published publication, the guided portion projecting from the key side and hanging down engages with the fixed guide portion only up to the lower surface of the side wall of the key. The key and the frame cannot be entered, and the mutual positions of the key and the frame are separated to reduce the compactness, and a sufficiently stable guide function cannot be obtained. Also, this publication describes, in particular, a white key having a notch for a black key.
There is no disclosure of the technical idea in consideration of the presence or absence of the notch, and the problem of the present invention is not suggested.

【００１０】この発明は上記従来技術を考慮してなされ
たものであって、金型の強度を高めその取扱い性や生産
性を向上させ製造コストの低減を図るとともに、安定し
て信頼性の高い鍵ガイド手段を実現する鍵盤装置の提供
を目的とする。The present invention has been made in consideration of the above-mentioned prior art, and aims to enhance the strength of a mold, improve the handling and productivity thereof, reduce the manufacturing cost, and stably provide a high reliability. It is an object of the present invention to provide a keyboard device that implements key guide means.

【００１１】[0011]

【課題を解決するための手段】前記目的を達成するた
め、本発明では、押離鍵動作がガイドされる被ガイド突
条を有した複数の鍵が、共通の支持部を有しこの共通の
支持部に揺動支持部を介して押離鍵方向に揺動自在に共
通に支持される鍵ユニットと、該ユニットを前記共通の
支持部を介して支持するとともに、前記鍵の鍵並び方向
の動きを規制し、前記被ガイド突条を押離鍵方向に揺動
動作ガイドすることで、各鍵をガイドする鍵ガイドを有
した支持手段を設けた鍵盤装置において、該ユニット
は、少なくとも複数の白鍵を含み、該白鍵のうち一方に
黒鍵を介して一方の白鍵に隣接し、他方に他方の白鍵が
隣接する白鍵は、黒鍵の配される側の側壁に黒鍵配設用
の切欠きを有し、この切欠きを有しない側壁を有する白
鍵は、この切欠きを有しない側壁の内側に、該側壁から
間隔を隔てて前記鍵ガイドに摺接する被ガイド突条を、
この鍵の天井壁から垂下させて設けた鍵ユニットで構成
されている鍵盤装置を提供する。In order to achieve the above object, according to the present invention, a plurality of keys having guided ridges for guiding a key press / release operation have a common support portion and have a common support portion. A key unit that is commonly supported by a support unit so as to be swingable in a key press and release direction via a swing support unit, and that the unit is supported via the common support unit, and the key unit is arranged in the key arrangement direction. In a keyboard device provided with support means having a key guide for guiding each key by restricting the movement and guiding the guided ridge to swing in the key pressing / release direction, the unit includes at least a plurality of units. A white key including a white key, one of the white keys adjacent to one white key via a black key, and the other white key adjacent to the other white key has a black key on a side wall on which the black key is arranged. A white key that has a notch for installation and a side wall that does not have this notch has this notch. Inside the free side wall, a guided ridge sliding contact with the key-guide spaced from the side wall,
There is provided a keyboard device including a key unit provided to be suspended from a ceiling wall of the key.

【００１２】この構成によれば、黒鍵を介さないで隣接
する白鍵同士は、各々その可動側（鍵側）の被ガイド部
が、隣接する切欠きのない側壁には形成されず、その内
側の天井壁から垂下して設けられるため、可動側の被ガ
イド部同士が相互に離れた位置に配設され、隣接する両
側壁の下側は空間となる。したがって、このような隣接
する両白鍵を型を用いて成形する場合、両白鍵間を仕切
る幅の狭い部分は、鍵の側壁の高さ分のみであって、被
ガイド部同士を隣接させた場合のように側壁部分から延
長した幅狭の細長い部分がなくなる。このため、金型が
充分な強度を有し、使用性が向上し生産性が高められ
る。According to this structure, the adjacent white keys without the black key interposed therebetween have their movable-side (key-side) guided portions formed on adjacent non-notched side walls. Since it is provided to hang down from the inner ceiling wall, the guided portions on the movable side are arranged at positions separated from each other, and the lower side of the adjacent side walls is a space. Therefore, when such adjacent white keys are molded using a mold, the narrow portion separating the white keys is only the height of the side wall of the key, and the guided portions are adjacent to each other. In such a case, the narrow and narrow portion extending from the side wall portion is eliminated. Therefore, the mold has sufficient strength, the usability is improved, and the productivity is improved.

【００１３】また、被ガイド部は鍵の側壁から間隔を隔
てて天井壁から垂下するため、固定側の鍵ガイドが鍵の
内部まで進入できコンパクトな構成（特に高さ方向）が
得られるとともに安定したガイド動作が達成され、鍵操
作性がよくなる。Further, since the guided portion hangs down from the ceiling wall at an interval from the side wall of the key, the key guide on the fixed side can enter the inside of the key, so that a compact configuration (particularly in the height direction) can be obtained and stable. Guide operation is achieved, and key operability is improved.

【００１４】好ましい実施の形態においては、前記鍵に
設けた被ガイド突条は、前記切欠きを有しない側壁と平
行な摺動面を有する第１の被ガイド部を構成し、さらに
前記切欠きを有する側壁から垂下し、かつ前記摺動面と
平行な摺動面を有する第２の被ガイド部を設け、この第
２の被ガイド部の下端部の外側に押鍵動作の上限規制手
段を構成する当接片を突出させて設けるとともに、第１
および第２の被ガイド部の平行摺動面間に前記鍵ガイド
を摺接させて設けたことを特徴としている。In a preferred embodiment, the guided ridge provided on the key constitutes a first guided portion having a sliding surface parallel to a side wall having no notch, and further comprising the notch. A second guided portion is provided which has a sliding surface hanging down from the side wall and having a sliding surface parallel to the sliding surface, and an upper limit regulating means for a key pressing operation is provided outside a lower end portion of the second guided portion. The contact piece to be formed is provided so as to protrude, and the first
And the key guide is provided in sliding contact between the parallel sliding surfaces of the second guided portion.

【００１５】この構成によれば、鍵側に設けた２つの平
行な可動側の被ガイド部の摺動面間に鍵ガイドを摺接さ
せるため、押鍵ストロークの全範囲にわたって安定した
押鍵揺動動作が得られる。また、鍵ガイドが鍵の幅方向
の中央部近傍に配置されるため、押鍵揺動動作がさらに
安定する。また、切欠きのある側の側壁に被ガイド部を
一体に形成し、その下端部外側に上限ストッパへの当接
片を突出させているため、型を用いて成形する場合、ア
ンダーカット部が形成されず金型がシンプルな構成にな
る。According to this configuration, the key guide is slidably contacted between the sliding surfaces of the two parallel movable guided portions provided on the key side, so that the key pressing swing is stable over the entire range of the key pressing stroke. Dynamic operation is obtained. Further, since the key guide is arranged near the center in the width direction of the key, the key pressing swing operation is further stabilized. In addition, since the guided portion is integrally formed on the side wall with the notch, and the contact piece to the upper limit stopper is projected outside the lower end portion, when forming using a mold, the undercut portion is not formed. It is not formed and the mold has a simple configuration.

【００１６】別の好ましい実施の形態においては、前記
第１および第２の被ガイド部の前後端部のいずれか同士
を連結する補強板を設け、実質的に前後面のいずれかが
開口する断面コ字状の被ガイド部を形成したことを特徴
としている。In another preferred embodiment, a reinforcing plate for connecting any one of the front and rear ends of the first and second guided portions is provided, and a cross section in which one of the front and rear surfaces is substantially opened. A U-shaped guided portion is formed.

【００１７】この構成によれば、鍵側の被ガイド部の剛
性が高まり、案内動作の信頼性がさらに大きくなる。ま
た、断面コ字状の被ガイド部により鍵ガイドの前側また
は後側が開口しその反対側が遮蔽されるため、組立て作
業等において、鍵ガイドに塗布したグリスが後方の基板
上の接点部等に付着することが防止され、組立て作業が
円滑に行われる。According to this configuration, the rigidity of the guided portion on the key side is increased, and the reliability of the guiding operation is further increased. In addition, since the front or rear side of the key guide is opened and the opposite side is shielded by the guided portion having a U-shaped cross section, the grease applied to the key guide adheres to the contact portion on the rear substrate during assembly work or the like. Is prevented, and the assembling work is performed smoothly.

【００１８】本発明ではさらに、押離鍵動作がガイドさ
れる被ガイド突条を有した複数の鍵が、共通の支持部を
有しこの共通の支持部に揺動支持部を介して押離鍵方向
に揺動自在に共通に支持される鍵ユニットと、該ユニッ
トを前記共通の支持部を介して支持するとともに、前記
鍵の鍵並び方向の動きを規制し、前記被ガイド突条を押
離鍵方向に揺動動作ガイドすることで、各鍵をガイドす
る鍵ガイドを有した支持手段を設けた鍵盤装置におい
て、黒鍵配設用の切欠きを有しない側壁を有する白鍵
は、その両側の側壁間の天井壁から垂下して前記鍵ガイ
ドに摺接する被ガイド突条を有し、前記鍵ガイドはこの
被ガイド突条の両側からこの被ガイド突条に摺接する鍵
盤装置を提供する。Further, in the present invention, a plurality of keys having guided ridges for guiding the keying operation are provided with a common supporting portion, and the common supporting portion is pushed and released via the swinging supporting portion. A key unit that is commonly supported so as to be swingable in the key direction, the unit is supported via the common support portion, the movement of the key in the key arrangement direction is restricted, and the guided ridge is pushed. In a keyboard device provided with support means having a key guide for guiding each key by guiding the swinging operation in the key release direction, a white key having a side wall without a notch for arranging a black key has a Provided is a keyboard device that has a guided ridge that hangs down from the ceiling wall between both side walls and slides on the key guide, and the key guide slides on the guided ridge from both sides of the guided ridge. .

【００１９】この構成によれば、鍵の天井壁から例えば
板状の被ガイド部（被ガイド突条）を垂下させて一体形
成し、この被ガイド部を挟んで両側から鍵ガイドを摺接
させるため、切欠きのない側壁同士を隣接させた白鍵の
金型を製造する場合、両白鍵の被ガイド部同士間の鍵横
並び方向の距離が長くなる。このため、従来のように隣
接する側壁と一体形成した場合に両方の鍵の被ガイド部
間に形成される幅狭の細長い仕切部分がなくなり、金型
強度が高まるとともに、鍵ガイドが鍵の内部まで進入可
能となって、安定した鍵の上下揺動動作のガイドを達成
することができる。According to this configuration, for example, a plate-shaped guided portion (guided ridge) is formed integrally with the ceiling wall of the key by hanging down from the ceiling wall, and the key guide is slid from both sides with the guided portion interposed therebetween. Therefore, when manufacturing a die of a white key in which side walls without notches are adjacent to each other, the distance in the key horizontal direction between the guided portions of both white keys becomes long. For this reason, when formed integrally with the adjacent side wall as in the related art, there is no longer a narrow narrow partition portion formed between the guided portions of both keys, so that the mold strength is increased and the key guide is formed inside the key. , And a stable guide for the vertical swinging operation of the key can be achieved.

【００２０】さらに本発明では、押離鍵動作がガイドさ
れる被ガイド突条を有した複数の鍵が、共通の支持部を
有しこの共通の支持部に揺動支持部を介して押離鍵方向
に揺動自在に共通に支持される鍵ユニットと、該ユニッ
トを前記共通の支持部を介して支持するとともに、前記
鍵の鍵並び方向の動きを規制し、前記被ガイド突条を押
離鍵方向に揺動動作ガイドすることで、各鍵をガイドす
る鍵ガイドを有した支持手段を設けた鍵盤装置におい
て、黒鍵配設用の切欠きを有しない側壁を有する白鍵
は、切欠きを有する側の側壁と一体でこの側壁から垂下
して前記鍵ガイドに摺接する板状の被ガイド部を有し、
前記鍵ガイドはこの被ガイド部の両側からこの被ガイド
部に摺接する鍵盤装置を提供する。Further, according to the present invention, a plurality of keys having guided ridges for guiding the pressing / release key operation have a common support portion and push / release the common support portion via the swing support portion. A key unit that is commonly supported so as to be swingable in the key direction, the unit is supported via the common support portion, the movement of the key in the key arrangement direction is restricted, and the guided ridge is pushed. In a keyboard device provided with a support means having a key guide for guiding each key by swinging movement guide in the key release direction, a white key having a side wall without a notch for arranging a black key is cut off. A plate-shaped guided portion that is integrally formed with the side wall having the notch and hangs down from the side wall and slides on the key guide;
The key guide provides a keyboard device that slides on the guided portion from both sides of the guided portion.

【００２１】この構成によれば、前述の構成と同様に、
切欠きのない側壁同士を隣接させた白鍵の金型を製造す
る場合、両白鍵の被ガイド部同士が大きく離れるため、
隣接する側壁と一体形成した場合に両方の被ガイド部間
に形成される幅狭の細長い仕切部分がなくなり、金型強
度が高まる。また、切欠きのある側壁の側壁屈曲部から
前方に突出させてこの側壁と一体に前記被ガイド部を形
成することにより、鍵ガイドをこの被ガイド部の両側か
ら挟むように摺接させて鍵の内部まで進入させることが
でき、安定した鍵の上下揺動ガイド動作を得ることがで
きる。According to this configuration, similar to the above-described configuration,
When manufacturing a mold for a white key in which side walls without notches are adjacent to each other, since the guided portions of both white keys are largely separated from each other,
When formed integrally with the adjacent side wall, there is no longer a narrow narrow partition portion formed between both guided portions, and the mold strength is increased. Further, by projecting forward from the side wall bent portion of the notched side wall to form the guided portion integrally with the side wall, the key guide is slidably contacted so as to be sandwiched from both sides of the guided portion. And a stable key vertical swing guide operation can be obtained.

【００２２】また、被ガイド部は板状であるため、型に
より形成する場合に板厚を高精度に形成することがで
き、鍵ガイドとのクリアランス精度が適正に保たれ、円
滑な押鍵ガイド動作が達成される。Further, since the guided portion is plate-shaped, the plate thickness can be formed with high precision when it is formed by a mold, the clearance accuracy with the key guide is properly maintained, and the key press guide is smooth. Operation is achieved.

【００２３】好ましい実施の形態においては、前記被ガ
イド部は、鍵の側壁と平行な板状本体と、この本体の前
端部に本体と直角に一体に設けた被ガイド板からなり、
この被ガイド板の端面に前記鍵ガイドが摺接することを
特徴としている。In a preferred embodiment, the guided portion comprises a plate-shaped main body parallel to the side wall of the key, and a guided plate integrally provided at a front end of the main body at right angles to the main body,
The key guide slides on the end face of the guided plate.

【００２４】この構成によれば、鍵の幅方向と平行に被
ガイド板が設けられその端面に鍵ガイドが摺接するた
め、被ガイド部の鍵幅方向の剛性が高まるとともに鍵自
体の強度が大きくなる。According to this configuration, the guided plate is provided in parallel with the width direction of the key, and the key guide slides on the end surface thereof, so that the rigidity of the guided portion in the key width direction is increased and the strength of the key itself is increased. Become.

【００２５】[0025]

【実施例】以下この発明の実施例を図面に基づいて説明
する。図１は、本発明の実施例に係る鍵盤装置の構成説
明図であり、（Ａ）はＥ，Ｆ鍵の上面図、（Ｂ）は
（Ａ）のＸ−Ｘ断面図である。また、図２は図１のＹ−
Ｙ断面図、図３はその健ガイド部分の斜視図、図４は図
１の健を下面側からみた斜視図である。Embodiments of the present invention will be described below with reference to the drawings. 1A and 1B are explanatory diagrams of the configuration of a keyboard device according to an embodiment of the present invention. FIG. 1A is a top view of E and F keys, and FIG. 1B is a cross-sectional view taken along line XX of FIG. FIG. 2 is a sectional view of FIG.
FIG. 3 is a perspective view of the health guide portion of FIG. 1, and FIG. 4 is a perspective view of the health of FIG.

【００２６】この例では、１オクターブの鍵を、例えば
白鍵ユニット１００と黒鍵ユニット１０１の２つの鍵ユ
ニットに分割し、これら２つの鍵ユニットの固定支持部
３ａ，３ｂを重ねてネジ３ｃによりフレーム５に固定す
る。In this example, a key of one octave is divided into two key units, for example, a white key unit 100 and a black key unit 101, and fixed support portions 3a and 3b of these two key units are overlapped with a screw 3c. Fix to frame 5.

【００２７】白鍵ユニット１００の鍵（白鍵）１は、そ
の基端部の揺動支持部２を介して白鍵に共通の支持部で
ある固定支持部３ａに連結される。この揺動支持部２
は、弾性を有する板状部材であり、白鍵１および固定支
持部３ａとともに型により一体にモールド成型される。
固定支持部３ａは、ネジ３ｃにより、黒鍵ユニット１０
１の固定支持部３ｂとともに白鍵ユニット１００および
黒鍵ユニット１０１の共通の支持手段となるフレーム５
に固定される。The key (white key) 1 of the white key unit 100 is connected to a fixed support portion 3a which is a common support portion for the white key via a swing support portion 2 at the base end. This swing support 2
Is a plate-like member having elasticity, and is integrally molded with the white key 1 and the fixed support portion 3a by a mold.
The fixed support 3a is fixed to the black key unit 10 by the screw 3c.
1 and a frame 5 serving as common support means for the white key unit 100 and the black key unit 101 together with the fixed support portion 3b.
Fixed to

【００２８】各白鍵１は、黒鍵を配設するための切欠き
５３を有し、この切欠き５３のある側の側壁Ｓ１は点Ｃ
（図１（Ａ））で屈曲して形成され、切欠き５３のない
側の側壁Ｓ２は直線状である。両方の白鍵１は切欠き５
３のない側の側壁Ｓ２同士を対向隣接させて配設され
る。Each white key 1 has a notch 53 for arranging a black key, and the side wall S1 on the side where the notch 53 is located has a point C.
The side wall S2 on the side where the notch 53 is not formed is formed by bending in FIG. 1 (A). Both white keys 1 are notched 5
The side walls S2 on the side without 3 are arranged adjacent to each other.

【００２９】フレーム５には、ボス６が適当な位置に複
数個設けられ、このボス６の上面に、鍵スイッチ回路等
が形成された基板８が、ネジ７により固定される。９は
ダイオード等の電子部品を表わす。基板８上には、各鍵
１に対応して、押鍵力に対する反力発生手段となる伏椀
状ゴムスイッチ１０が取付けられる。このゴムスイッチ
１０は、鍵１の一方の側壁（切欠き５３のある側の側
壁）Ｓ１の下側に設けられる。この側壁Ｓ１には、ゴム
スイッチ１０の位置にアクチュエータ１１が設けられ、
側壁Ｓ１の下面１ａとともにゴムスイッチ１０の上面に
当接する。A plurality of bosses 6 are provided at appropriate positions on the frame 5, and a substrate 8 on which a key switch circuit and the like are formed is fixed to the upper surface of the boss 6 by screws 7. Reference numeral 9 denotes an electronic component such as a diode. On the substrate 8, corresponding to each key 1, a rubber bowl-shaped rubber switch 10 serving as a reaction force generating means for a key pressing force is mounted. The rubber switch 10 is provided below one side wall S1 of the key 1 (the side wall with the notch 53). On the side wall S1, an actuator 11 is provided at the position of the rubber switch 10,
It contacts the upper surface of the rubber switch 10 together with the lower surface 1a of the side wall S1.

【００３０】鍵１の押鍵動作に応じて、側壁Ｓ１の下面
１ａがアクチュエータ１１とともにゴムスイッチ１０を
押圧して、ゴムスイッチ１０が押し潰されるように弾性
変形し、これに応じてゴムスイッチ１０が側壁Ｓ１の下
面１ａおよびアクチュエータ１１を介して鍵１に対し反
力を付与し、鍵１を復帰方向に付勢する。In response to the key pressing operation of the key 1, the lower surface 1a of the side wall S1 presses the rubber switch 10 together with the actuator 11, and is elastically deformed so that the rubber switch 10 is crushed. Applies a reaction force to the key 1 via the lower surface 1a of the side wall S1 and the actuator 11, and urges the key 1 in the return direction.

【００３１】この反力発生手段を構成するゴムスイッチ
１０は、押鍵ストロークの最初から適度な反力を与える
ために、予圧をもった状態、即ち鍵を押上げる方向に付
勢する弾性力をもった状態で、鍵１の側壁Ｓ１の下面１
ａおよびアクチュエータ１１の下面に当接して組立てら
れる。The rubber switch 10, which constitutes this reaction force generating means, applies an elastic force which urges in a state of preload, that is, in a direction of pushing up the key, in order to give an appropriate reaction force from the beginning of the key stroke. In the state of holding, the lower surface 1 of the side wall S1 of the key 1
a and the lower surface of the actuator 11.

【００３２】鍵１の切欠き５３のない側の側壁Ｓ２の内
側の天井壁１ｂから、側壁Ｓ２と平行な板状の第１の被
ガイド部４０（被ガイド突条）が垂下する。一方、切欠
き５３のある側の側壁Ｓ１の屈曲した幅狭部分の側壁か
らこれと一体に第２の被ガイド部材１２（被ガイド突
条）が垂下して形成される。この第２の被ガイド部１２
は、第１の被ガイド部４０と平行な板状である。すなわ
ち、第１の被ガイド部４０は、切欠きのない側の側壁Ｓ
２と平行な摺動面４０ａを有し、第２の被ガイド部１２
は、第１の被ガイド部４０の摺動面４０に対向してこれ
と平行な摺動面１２ａを有している。これらの平行な摺
動面１２ａ，４０ａ間に、後述のように、鍵ガイド４２
が配設される。この第２の被ガイド部１２の下端部外側
に当接片１３が形成される。この当接片１３の上面が可
動側上限規制手段を構成し、基板８の前端部下面側に設
けた固定側の上限規制手段を構成する例えばフェルト材
等からなる上限ストッパ１４に当接する。このような可
動側および固定側の上限規制手段により、押鍵ストロー
ク復帰時の上限位置が規制される。From the ceiling wall 1b inside the side wall S2 of the key 1 without the notch 53, a first plate-shaped guided portion 40 (guided ridge) parallel to the side wall S2 hangs. On the other hand, the second guided member 12 (guided ridge) is formed integrally with the side wall S1 on the side where the notch 53 is provided, from the bent narrow side wall. This second guided portion 12
Has a plate shape parallel to the first guided portion 40. That is, the first guided portion 40 is formed on the side wall S on the side having no notch.
2 having a sliding surface 40a parallel to the second guided portion 12
Has a sliding surface 12a opposed to and parallel to the sliding surface 40 of the first guided portion 40. As described later, a key guide 42 is provided between these parallel sliding surfaces 12a and 40a.
Is arranged. A contact piece 13 is formed outside the lower end of the second guided portion 12. The upper surface of the contact piece 13 constitutes the movable upper limit means, and contacts the upper limit stopper 14 made of, for example, a felt material, which constitutes the fixed upper limit means provided on the lower surface side of the front end of the substrate 8. The upper limit position at the time of returning from the key-pressing stroke is regulated by such movable side and fixed side upper limit regulating means.

【００３３】また、フレーム５の前端部には、固定側の
下限規制手段を構成する例えばフェルト材等からなる下
限ストッパ１５が設けられる。この固定側の下限ストッ
パ１５に対し、可動側の下限規制手段として第２の被ガ
イド部１２および当接片１３の下面が当接して、押鍵ス
トロークの下限位置を規制する。At the front end of the frame 5, there is provided a lower limit stopper 15 made of, for example, a felt material or the like, which constitutes a fixed lower limit control means. The lower surface of the second guided portion 12 and the lower surface of the contact piece 13 as the movable-side lower limit restricting means abut against the fixed lower limit stopper 15 to restrict the lower limit position of the key-pressing stroke.

【００３４】フレーム５の前端部には、各鍵に対応し
て、鍵ガイド４２が上方に屈曲して形成される。この鍵
ガイド４２が固定側のガイド手段を構成し、その両側に
前記第１の被ガイド部４０および第２の被ガイド部１２
が摺接して、各鍵の上下方向押鍵動作をガイドする。こ
のように鍵ガイド４２の両側から、第１、第２の２つの
被ガイド部４０、１２で挟んで摺動させることにより、
押鍵ストロークの全範囲にわたって安定した確実なガイ
ド動作が達成される。At the front end of the frame 5, a key guide 42 is formed to be bent upward corresponding to each key. The key guide 42 constitutes a fixed-side guide means, and the first guided portion 40 and the second guided portion 12 are provided on both sides thereof.
Slide in contact with each other to guide the vertical key pressing operation of each key. In this manner, by sliding the key guide 42 from both sides thereof between the first and second guided portions 40 and 12,
A stable and reliable guide operation is achieved over the entire range of the key depression stroke.

【００３５】第１および第２の被ガイド部４０、１２の
後端部同士は、補強板４１で連結される。したがって、
固定側のガイド手段（鍵ガイド４２）に対し、可動側の
被ガイド手段は、図１（Ａ）の点線で示すように、この
鍵ガイド４２の後面を覆い実質上前側が開いた水平断面
がコ字形（すなわち、左右両側の被ガイド部４０および
１２とその後側の補強板４１からなる水平断面がコ字
形）の被ガイド部として形成される。このような構成の
鍵ガイド手段を用いることにより、鍵側の第１、第２の
被ガイド部４０、１２が補強されて強固になり、さらに
安定した信頼性の高いガイド動作が達成される。また、
このように、鍵ガイド４２の背面に補強板４１を設ける
ことにより、組立て作業等において、鍵ガイドに塗布し
たグリスが後方の基板上の接点部等に付着することが防
止され、組立て作業が円滑に行われるとともに、機能低
下のおそれや信頼性低下のおそれをなくし、高品質の製
品を得ることができる。さらに、鍵ガイド４２は、被ガ
イド部４０、１２に沿って、鍵１の側壁下面より内部
（上部）まで進入可能であるため、押鍵ストロークを充
分下方位置まで延して安定して確実なガイド動作を行う
ことができる。The rear ends of the first and second guided portions 40 and 12 are connected by a reinforcing plate 41. Therefore,
In contrast to the fixed-side guide means (key guide 42), the movable-side guided means has a horizontal section covering the rear surface of the key guide 42 and having a substantially open front side as shown by the dotted line in FIG. It is formed as a U-shaped guided portion (that is, a horizontal section formed of the guided portions 40 and 12 on the left and right sides and the reinforcing plate 41 on the rear side thereof has a U-shaped horizontal cross section). By using the key guide means having such a configuration, the first and second guided portions 40 and 12 on the key side are reinforced and strengthened, and a more stable and highly reliable guiding operation is achieved. Also,
In this manner, by providing the reinforcing plate 41 on the back surface of the key guide 42, the grease applied to the key guide is prevented from adhering to the contact portions on the rear substrate in the assembling operation, and the assembling operation is smoothly performed. In addition to the above, it is possible to obtain a high-quality product by eliminating the risk of deterioration in function and reliability. Further, since the key guide 42 can enter from the lower surface of the side wall of the key 1 to the inside (upper portion) along the guided portions 40 and 12, the key pressing stroke is extended to a sufficiently lower position to stably and reliably. Guide operation can be performed.

【００３６】なお、上記実施例では、１オクターブの鍵
を白鍵ユニット１００と、黒鍵ユニット１０１の２つの
ユニットで構成したが、全鍵共通の１つのユニットで構
成してもよい。あるいは、１つの黒鍵ユニットと２つの
白鍵ユニット、または１つの黒鍵ユニットと３つの白鍵
ユニット等により構成した鍵盤装置に対しても本発明は
適用可能である。In the above embodiment, the key of one octave is constituted by the two units of the white key unit 100 and the black key unit 101, but may be constituted by one unit common to all keys. Alternatively, the present invention can be applied to a keyboard device including one black key unit and two white key units, or one black key unit and three white key units.

【００３７】このような構成の鍵盤装置は、上ケースお
よび下ケース（いずれも図示しない）からなる楽器本体
内に収容される。この場合、複数段に重ねた鍵盤装置の
各鍵ユニットの内、最上位の黒鍵ユニット（または白鍵
ユニット）を上ケースと一体にモールド成型して楽器本
体ケースを構成してもよい。The keyboard device having such a configuration is housed in a musical instrument body composed of an upper case and a lower case (both are not shown). In this case, the uppermost black key unit (or white key unit) of the key units of the keyboard device stacked in a plurality of stages may be molded integrally with the upper case to form the musical instrument main body case.

【００３８】図５は、上記実施例の鍵盤装置をモールド
成形する場合に使用する金型の構成説明図である。上型
７０と下型７１間に前述の隣接する２つの白鍵１が形成
される。本実施例では、隣接する側壁Ｓ２より各鍵の内
側に第１の被ガイド部４０が形成されるため、２つの第
１の被ガイド部４０間の間隔が広がり、前述の図１４の
従来技術で説明したような、隣接する白鍵の隙間に対応
した非常に狭い間隔の上下に長い仕切部分６０（図１
４）がなくなり、両鍵間の狭い間隔の仕切部分は、側壁
Ｓ２の長さ分だけの短い長さとなる。このため、型の強
度が高まり、取扱い性が向上し成形プロセスが円滑に行
われ生産性が向上する。FIG. 5 is an explanatory view of the configuration of a mold used when molding the keyboard device of the above embodiment. The two adjacent white keys 1 described above are formed between the upper mold 70 and the lower mold 71. In the present embodiment, the first guided portion 40 is formed inside each key from the adjacent side wall S2, so that the interval between the two first guided portions 40 is increased, and the prior art shown in FIG. As described in the above, a vertically long partition portion 60 (FIG. 1) with a very small interval corresponding to the gap between adjacent white keys.
4) is eliminated, and the partition portion with a narrow interval between the two keys has a short length corresponding to the length of the side wall S2. For this reason, the strength of the mold is increased, the handleability is improved, the molding process is performed smoothly, and the productivity is improved.

【００３９】図６は、本発明の別の実施例に係る鍵盤装
置を成形するための金型の構成説明図である。この例
は、隣接する鍵１の側壁Ｓ２の下側に連続して側壁Ｓ２
より幅の薄い第１の被ガイド部４０を側壁の内面側を同
一面として形成したものである。このような構成におい
ても、２つの隣接する鍵の第１のガイド部４０間の間隔
は、前述の従来例に比べ広がるため、金型の強度が高ま
る。FIG. 6 is an explanatory view of the configuration of a mold for molding a keyboard device according to another embodiment of the present invention. In this example, the side wall S2 is continuously formed below the side wall S2 of the adjacent key 1.
The thinner first guided portion 40 is formed such that the inner surface side of the side wall is the same surface. Even in such a configuration, the interval between the first guide portions 40 of two adjacent keys is wider than that in the above-described conventional example, so that the strength of the mold is increased.

【００４０】図７は、本発明のさらに別の実施例の斜視
図である。この実施例は、断面が長円形の筒状部材７２
により可動側の被ガイド部を構成したものである。固定
側の鍵ガイドは前述の図３の実施例に示す鍵ガイド４２
と同じである。このような筒状部材７２を、隣接する直
線状の側壁Ｓ２の内側に、側壁から間隔を隔てて設ける
ことにより、可動側の被ガイド部間の間隔が広がり、前
記実施例と同様に、金型の仕切部分の間隔が広がり、金
型の強度が高まる。また、この可動側の被ガイド部（筒
状部材７２）が鍵ガイドの両側に摺接してガイドされる
点、および鍵ガイドが鍵１の側壁下面を越えて内部（上
方）に深く進入する点等の作用効果は前記実施例と同様
である。FIG. 7 is a perspective view of still another embodiment of the present invention. In this embodiment, a cylindrical member 72 having an oval cross section is used.
This constitutes the movable-side guided portion. The fixed key guide is the key guide 42 shown in the embodiment of FIG.
Is the same as By providing such a tubular member 72 inside the adjacent linear side wall S2 at a distance from the side wall, the distance between the movable-side guided portions is widened, and as in the above-described embodiment, gold The distance between the partition portions of the mold is increased, and the strength of the mold is increased. Also, the point that the guided portion (cylindrical member 72) on the movable side slides in contact with both sides of the key guide and is guided, and the point that the key guide goes deeper inside (upward) beyond the lower surface of the side wall of the key 1. The functions and effects of the embodiment are the same as those of the above embodiment.

【００４１】図８は、本発明のさらに別の実施例に係る
鍵盤装置の構成説明図であり、（Ａ）はＥ，Ｆ鍵の上面
図、（Ｂ）は（Ａ）のＸ−Ｘ断面図である。また、図９
は図８のＹ−Ｙ断面図、図１０はその健ガイド部分の斜
視図、図１１は図１の健を下面側からみた斜視図であ
る。FIGS. 8A and 8B are explanatory diagrams showing the construction of a keyboard device according to still another embodiment of the present invention. FIG. 8A is a top view of the E and F keys, and FIG. FIG. FIG.
8 is a sectional view taken along the line Y-Y of FIG. 8, FIG. 10 is a perspective view of a health guide portion thereof, and FIG. 11 is a perspective view of the health of FIG.

【００４２】この実施例は、黒鍵配設用切欠き５３のあ
る側の側壁Ｓ１の幅狭部分の屈曲部を前方に延長して、
可動側の被ガイド部７３を形成したものである。この可
動側の被ガイド部７３の両側を挟んで、断面コ字形の鍵
ガイド７４がフレーム５の前端部に形成される。この実
施例においても、隣接する２つの白鍵の被ガイド部７３
間の間隔が広がり、前記実施例と同様に、金型の被ガイ
ド部間の仕切部分の間隔が広がり、金型の強度が高ま
る。また、この被ガイド部７３の両側に鍵ガイド７４が
摺接してガイドするため、安定した確実なガイド動作が
達成される点、および鍵ガイドが鍵１の側壁下面を越え
て内部（上方）に深く進入する点等の作用効果は前記実
施例と同様である。その他の鍵の構成および作用効果
は、前記図１の実施例と同様である。In this embodiment, the bent portion of the narrow portion of the side wall S1 on the side where the notch 53 for arranging the black key 53 is provided is extended forward.
The movable guided portion 73 is formed. A key guide 74 having a U-shaped cross section is formed at the front end of the frame 5 with both sides of the movable-side guided portion 73 interposed therebetween. Also in this embodiment, the guided portion 73 of two adjacent white keys is used.
As in the above-described embodiment, the space between the partitioning portions between the guided portions of the mold increases, and the strength of the mold increases. In addition, since the key guide 74 slides and guides on both sides of the guided portion 73, a stable and reliable guide operation is achieved, and the key guide moves inward (upward) beyond the lower surface of the side wall of the key 1. The operation and effect such as the point of deep penetration are the same as those of the above embodiment. Other key configurations and operational effects are the same as those of the embodiment of FIG.

【００４３】図１２（Ａ）（Ｂ）は、それぞれ前記図８
の実施例を変形した本発明のさらに別の実施例の斜視図
である。（Ａ）図は、側壁Ｓ１の屈曲部を延長した可動
側の被ガイド部７３の前端部に、これと直角に被ガイド
板７５を内側に突出させて設け、断面Ｌ字形の被ガイド
手段を形成したものである。固定側の鍵ガイド（図示し
ない）はこのＬ字前端の被ガイド板７５の両側を挟んで
外接する。（Ｂ）図は、可動側の被ガイド部７３の前端
部に、これと直角に被ガイド板７５を両側に突出させて
設け、断面Ｔ字形の被ガイド手段を形成したものであ
る。固定側の鍵ガイド（図示しない）はこのＴ字前端の
被ガイド板７５の両側縁の端面７５ａに摺接するよう
に、その外側から挟んで形成される。このように被ガイ
ド部７３の前端部にこれと直角に被ガイド板７５を設け
ることにより、被ガイド部７３が補強され、特に鍵幅方
向の剛性が高まって安定して保持されるため、これと直
角な上下方向へのガイド動作が安定して行われる。その
他の構成および作用効果は前記図８の実施例と同様であ
る。FIGS. 12A and 12B respectively show FIGS.
FIG. 16 is a perspective view of still another embodiment of the present invention obtained by modifying the embodiment of FIG. (A) shows a guide plate 75 projecting inward at a right angle to the front end of a movable-side guided portion 73 that extends the bent portion of the side wall S1 to provide a guided member having an L-shaped cross section. It is formed. A fixed key guide (not shown) circumscribes both sides of the L-shaped front end guided plate 75. In the figure, a guided plate 75 is provided at the front end of the guided portion 73 on the movable side so as to protrude on both sides at right angles to the guided portion, thereby forming a guided means having a T-shaped cross section. The fixed-side key guide (not shown) is formed so as to slidably contact the end surfaces 75a of both side edges of the guided plate 75 at the front end of the T-shape and sandwich it from the outside. By providing the guided plate 75 at a right angle to the front end of the guided portion 73 in this manner, the guided portion 73 is reinforced, and the rigidity in the key width direction is particularly increased and is stably held. The guide operation in the vertical direction perpendicular to the direction is stably performed. Other configurations and operational effects are the same as those of the embodiment of FIG.

【００４４】[0044]

【発明の効果】以上説明したように、本発明では、一方
側において、黒鍵が隣設されるための切欠きのある白鍵
で、他方側が切欠きのない側壁で構成される白鍵を含む
鍵ユニットにおいて、切欠きのない側壁からそのまま被
ガイド部を垂下させず、その側壁からみて内側に被ガイ
ド部を形成するという新しい技術思想を導入したため、
鍵の金型構造の耐久性を高める構成にすることができ
た。これによって、生産性を高めることができた。ま
た、鍵ガイド部および被ガイド部の両者の摺接部を長く
することができたので鍵操作の安定性を図ることができ
た。As described above, according to the present invention, a white key having a notch on one side for providing a black key adjacent thereto and a white key having a side wall having no notch on the other side are provided. In the key unit including, without introducing the guided portion directly from the side wall without notch, to introduce a new technical idea of forming the guided portion inside from the side wall,
A configuration that enhances the durability of the key mold structure was achieved. As a result, productivity could be improved. Further, since the sliding portions of both the key guide portion and the guided portion can be lengthened, the stability of the key operation can be improved.

【図面の簡単な説明】[Brief description of the drawings]

【図１】 （Ａ）（Ｂ）はそれぞれ本発明の実施例に係
る鍵盤装置の上面図およびそのＸ−Ｘ断面図。FIGS. 1A and 1B are a top view and a XX cross-sectional view of a keyboard device according to an embodiment of the present invention, respectively.

【図２】 図１のＹ−Ｙ断面矢視図。FIG. 2 is a sectional view taken along the line YY of FIG.

【図３】 図１の鍵ガイド部分の斜視図。FIG. 3 is a perspective view of a key guide portion of FIG. 1;

【図４】 図１の鍵盤装置の下から見た斜視図。FIG. 4 is a perspective view of the keyboard device of FIG. 1 as viewed from below.

【図５】 図１の鍵盤装置を製造する金型の構成説明
図。FIG. 5 is a configuration explanatory view of a mold for manufacturing the keyboard device of FIG. 1;

【図６】 本発明の別の実施例の金型の構成説明図。FIG. 6 is an explanatory view of a configuration of a mold according to another embodiment of the present invention.

【図７】 本発明のさらに別の実施例を下から見た斜視
図。FIG. 7 is a perspective view of yet another embodiment of the present invention as viewed from below.

【図８】 （Ａ）（Ｂ）はそれぞれ本発明のさらに別の
実施例に係る鍵盤装置の上面図およびそのＸ−Ｘ断面
図。8A and 8B are a top view and a cross-sectional view of a keyboard device according to still another embodiment of the present invention, respectively.

【図９】 図８のＹ−Ｙ断面矢視図。FIG. 9 is a sectional view taken along the line YY in FIG. 8;

【図１０】 図８の鍵ガイド部分の斜視図。FIG. 10 is a perspective view of a key guide portion of FIG. 8;

【図１１】 図８の鍵盤装置の下から見た斜視図。11 is a perspective view of the keyboard device of FIG. 8 as viewed from below.

【図１２】 （Ａ）（Ｂ）はそれぞれ本発明の別の実施
例の斜視図。12A and 12B are perspective views of another embodiment of the present invention.

【図１３】 本発明が適用される鍵盤装置の上面図。FIG. 13 is a top view of a keyboard device to which the present invention is applied.

【図１４】 図１３の鍵盤装置を製造するための従来の
金型の構成説明図。FIG. 14 is a configuration explanatory view of a conventional mold for manufacturing the keyboard device of FIG. 13;

【符号の説明】[Explanation of symbols]

１：白鍵、２：揺動支持手段、３ａ，３ｂ：固定支持
部、３ｃ：ネジ、４：黒鍵、５：支持手段（フレー
ム）、６：ボス、７：ネジ、８：基板、９：電子部品、
１０：反力発生装置（ゴムスイッチ）、１１：アクチュ
エータ、１２：第２の被ガイド部、１３：当接片、１
４：上限ストッパ、１５：下限ストッパ、４０：第１の
被ガイド部、４１：補強板、４２：鍵ガイド、５３：切
欠き。1: white key, 2: swing support means, 3a, 3b: fixed support part, 3c: screw, 4: black key, 5: support means (frame), 6: boss, 7: screw, 8: substrate, 9 : Electronic components,
10: reaction force generator (rubber switch), 11: actuator, 12: second guided portion, 13: contact piece, 1
4: Upper limit stopper, 15: Lower limit stopper, 40: First guided portion, 41: Reinforcement plate, 42: Key guide, 53: Notch.

Claims (6)

【特許請求の範囲】[Claims] 【請求項１】押離鍵動作がガイドされる被ガイド突条を
有した複数の鍵が、共通の支持部を有しこの共通の支持
部に揺動支持部を介して押離鍵方向に揺動自在に共通に
支持される鍵ユニットと、該ユニットを前記共通の支持
部を介して支持するとともに、前記鍵の鍵並び方向の動
きを規制し、前記被ガイド突条を押離鍵方向に揺動動作
ガイドすることで、各鍵をガイドする鍵ガイドを有した
支持手段を設けた鍵盤装置において、 該ユニットは、少なくとも複数の白鍵を含み、該白鍵の
うち一方に黒鍵を介して一方の白鍵に隣接し、他方に他
方の白鍵が隣接する白鍵は、黒鍵の配される側の側壁に
黒鍵配設用の切欠きを有し、この切欠きを有しない側壁
を有する白鍵は、この切欠きを有しない側壁の内側に、
該側壁から間隔を隔てて前記鍵ガイドに摺接する被ガイ
ド突条を、この鍵の天井壁から垂下させて設けた鍵ユニ
ットで構成されている鍵盤装置。A plurality of keys having guided ridges for guiding a key press / release operation have a common support portion, and the common support portion is provided with a swing support portion in the key press / release direction. A key unit which is commonly supported so as to be swingable, and which supports the unit via the common support portion, regulates the movement of the key in the key arrangement direction, and presses and releases the guided ridge in the key release direction. In a keyboard device provided with a support means having a key guide for guiding each key by guiding the rocking operation, the unit includes at least a plurality of white keys, and a black key is provided on one of the white keys. A white key adjacent to one white key and another white key adjacent to the other white key has a notch for arranging a black key on the side wall on which the black key is allocated, and has this notch. The white key with no side wall is inside the side wall without this notch,
A keyboard device comprising a key unit provided with a guided ridge slidably in contact with the key guide at an interval from the side wall and suspended from a ceiling wall of the key. 【請求項２】前記鍵に設けた被ガイド突条は、前記切欠
きを有しない側壁と平行な摺動面を有する第１の被ガイ
ド部を構成し、さらに前記切欠きを有する側壁から垂下
し、かつ前記摺動面と平行な摺動面を有する第２の被ガ
イド部を設け、この第２の被ガイド部の下端部の外側に
押鍵動作の上限規制手段を構成する当接片を突出させて
設けるとともに、第１および第２の被ガイド部の平行摺
動面間に前記鍵ガイドを摺接させて設けた請求項１に記
載の鍵盤装置。2. The guided ridge provided on the key constitutes a first guided portion having a sliding surface parallel to the side wall having no notch, and further hanging down from the side wall having the notch. A second guided portion having a sliding surface parallel to the sliding surface, and a contact piece constituting an upper limit regulating means for a key pressing operation outside a lower end portion of the second guided portion. The keyboard device according to claim 1, wherein the key guide is provided so as to protrude, and the key guide is provided in sliding contact between parallel sliding surfaces of the first and second guided portions. 【請求項３】前記第１および第２の被ガイド部の前後端
部のいずれか同士を連結する補強板を設け、実質的に前
後面のいずれかが開口する断面コ字状の被ガイド部を形
成した請求項２に記載の鍵盤装置。3. A guided portion having a U-shaped cross section, wherein a reinforcing plate for connecting any one of the front and rear ends of the first and second guided portions is provided, and one of the front and rear surfaces is substantially opened. The keyboard device according to claim 2, wherein the keyboard device is formed. 【請求項４】押離鍵動作がガイドされる被ガイド突条を
有した複数の鍵が、共通の支持部を有しこの共通の支持
部に揺動支持部を介して押離鍵方向に揺動自在に共通に
支持される鍵ユニットと、該ユニットを前記共通の支持
部を介して支持するとともに、前記鍵の鍵並び方向の動
きを規制し、前記被ガイド突条を押離鍵方向に揺動動作
ガイドすることで、各鍵をガイドする鍵ガイドを有した
支持手段を設けた鍵盤装置において、 黒鍵配設用の切欠きを有しない側壁を有する白鍵は、そ
の両側の側壁間の天井壁から垂下して前記鍵ガイドに摺
接する被ガイド突条を有し、前記鍵ガイドはこの被ガイ
ド突条の両側からこの被ガイド突条に摺接する鍵盤装
置。4. A plurality of keys having guided ridges for guiding a key press / release operation have a common support portion, and the common support portion has a swing support portion in the key press / release direction. A key unit which is commonly supported so as to be swingable, and which supports the unit via the common support portion, regulates the movement of the key in the key arrangement direction, and presses and releases the guided ridge in the key release direction. In a keyboard device provided with a support means having a key guide for guiding each key by swinging the key, a white key having a side wall without a notch for arranging a black key has side walls on both sides thereof. A keyboard device having a guided ridge that hangs down from a ceiling wall therebetween and slides on the key guide, and the key guide slides on the guided ridge from both sides of the guided ridge. 【請求項５】押離鍵動作がガイドされる被ガイド突条を
有した複数の鍵が、共通の支持部を有しこの共通の支持
部に揺動支持部を介して押離鍵方向に揺動自在に共通に
支持される鍵ユニットと、該ユニットを前記共通の支持
部を介して支持するとともに、前記鍵の鍵並び方向の動
きを規制し、前記被ガイド突条を押離鍵方向に揺動動作
ガイドすることで、各鍵をガイドする鍵ガイドを有した
支持手段を設けた鍵盤装置において、 黒鍵配設用の切欠きを有しない側壁を有する白鍵は、切
欠きを有する側の側壁と一体でこの側壁から垂下して前
記鍵ガイドに摺接する板状の被ガイド部を有し、前記鍵
ガイドはこの被ガイド部の両側からこの被ガイド部に摺
接する鍵盤装置。5. A plurality of keys having guided ridges for guiding a key press / release operation have a common support portion, and the common support portion is provided with a swing support portion in the key press / release key direction. A key unit which is commonly supported so as to be swingable, and which supports the unit via the common support portion, regulates the movement of the key in the key arrangement direction, and presses and releases the guided ridge in the key release direction. In a keyboard device provided with a support means having a key guide for guiding each key by swinging operation, a white key having a side wall without a notch for arranging a black key has a notch A keyboard device having a plate-shaped guided portion that is integrally formed with the side wall and that slides down from the side wall and slides on the key guide, and the key guide slides on the guided portion from both sides of the guided portion. 【請求項６】前記被ガイド部は、鍵の側壁と平行な板状
本体と、この本体の前端部に本体と直角に一体に設けた
被ガイド板からなり、この被ガイド板の端面に前記鍵ガ
イドが摺接する請求項４または５に記載の鍵盤装置。6. The guided portion comprises a plate-shaped main body parallel to the side wall of the key, and a guided plate integrally provided at a front end of the main body at right angles to the main body. The keyboard device according to claim 4, wherein the key guide slides.
JP04758797A 1997-03-03 1997-03-03 Keyboard device Expired - Fee Related JP3570143B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP04758797A JP3570143B2 (en) 1997-03-03 1997-03-03 Keyboard device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP04758797A JP3570143B2 (en) 1997-03-03 1997-03-03 Keyboard device

Publications (2)

Publication Number Publication Date
JPH10240231A true JPH10240231A (en) 1998-09-11
JP3570143B2 JP3570143B2 (en) 2004-09-29

Family

ID=12779399

Family Applications (1)

Application Number Title Priority Date Filing Date
JP04758797A Expired - Fee Related JP3570143B2 (en) 1997-03-03 1997-03-03 Keyboard device

Country Status (1)

Country Link
JP (1) JP3570143B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007025604A (en) * 2005-07-21 2007-02-01 Yamaha Corp Keyboard instrument
JP2007139885A (en) * 2005-11-15 2007-06-07 Yamaha Corp Keyboard device
JP2007264057A (en) * 2006-03-27 2007-10-11 Yamaha Corp Key guide device of keyboard instrument

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007025604A (en) * 2005-07-21 2007-02-01 Yamaha Corp Keyboard instrument
JP4674501B2 (en) * 2005-07-21 2011-04-20 ヤマハ株式会社 Keyboard device
JP2007139885A (en) * 2005-11-15 2007-06-07 Yamaha Corp Keyboard device
JP2007264057A (en) * 2006-03-27 2007-10-11 Yamaha Corp Key guide device of keyboard instrument
JP4645497B2 (en) * 2006-03-27 2011-03-09 ヤマハ株式会社 Key guide device for keyboard instrument

Also Published As

Publication number Publication date
JP3570143B2 (en) 2004-09-29

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