JP2020027226A - Anti-drop cover - Google Patents

Anti-drop cover Download PDF

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JP2020027226A
JP2020027226A JP2018153547A JP2018153547A JP2020027226A JP 2020027226 A JP2020027226 A JP 2020027226A JP 2018153547 A JP2018153547 A JP 2018153547A JP 2018153547 A JP2018153547 A JP 2018153547A JP 2020027226 A JP2020027226 A JP 2020027226A
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piano
keyboard
cover
support portion
piano body
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美穂 中村
Yoshio Nakamura
美穂 中村
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Abstract

To provide an anti-drop cover capable of preventing a score, a writing utensil or the like from dropping down into a space between a keyboard cover and a piano main body and from dropping down onto a keyboard when the keyboard cover of a grand piano is opened.SOLUTION: An anti-drop cover includes: a belt-like forward-supporting part 2 extending along an upperbeam part of a keyboard cover of a grand piano in an open state of the keyboard cover and provided on an upper surface of the upperbeam part, the forward-supporting part 2 having an anti-slip part on a lower surface contacting the upperbeam part; a belt-like backward-supporting part 3 extending in parallel with the forward-supporting part 2 and provided on an upper surface in a front part of a piano body of the grand piano, the backward-supporting part 3 having an anti-slip part on a lower surface contacting the upper surface in the front part of the piano body; and a fallen object-receiving part 4 configured between the forward-supporting part 2 and the backward-supporting part 3, the fallen object-receiving part 4 sagging in a concave state within a space formed by the keyboard cover and the piano body, between the upper surface of the upperbeam part and the upper surface in the front part of the piano body.SELECTED DRAWING: Figure 1

Description

本発明は、グランドピアノの鍵盤蓋を開いた際に生じる鍵盤蓋とピアノ本体との間隙を覆うことにより、この間隙に楽譜や筆記用具等がピアノ本体内部へ落下するのを防止する落下防止カバーに関する。   The present invention provides a fall prevention cover that covers a gap between a keyboard cover and a piano body that occurs when a keyboard cover of a grand piano is opened, thereby preventing a score or a writing instrument from falling into the inside of the piano body. About.

グランドピアノの鍵盤蓋を開いた際、鍵盤蓋とピアノ本体との間に隙間が存在する。そのため、譜面台に置かれた楽譜や筆記用具等がわずかな振動によって、この間隙に落下することがある。そこで、例えば特許文献１に記載のように、この鍵盤蓋とピアノ本体との隙間に楽譜や筆記用具等が落下するのを防止する鍵盤蓋用カバーが考案されている。   When the keyboard cover of the grand piano is opened, there is a gap between the keyboard cover and the piano body. Therefore, a musical score, a writing instrument, or the like placed on the music stand may fall into this gap due to slight vibration. Therefore, as described in Patent Document 1, for example, a cover for a keyboard lid has been devised which prevents a score or a writing instrument from falling into a gap between the keyboard lid and the piano body.

特許文献１の鍵盤蓋用カバーは、帯状の布地からなる本体部と、本体部の前方縁部に構成され、内部にゴム紐が収容された袋状部と、本体部の後方縁部に構成され、内部に磁石が固定された袋状部と、本体部の両端の延長部と前方の縁部と袋状部の両端部との間に形成され、鍵盤蓋の先端角部に取り付けるための鍵盤蓋用係止部と、本体部の両端部の後方側に一端が縫い込まれ、ピアノ本体に固定するための取り付け用紐とから構成される。   The cover for a keyboard cover disclosed in Patent Document 1 is configured on a main body portion made of a band-shaped cloth, a front edge portion of the main body portion, a bag-shaped portion in which a rubber cord is housed, and a rear edge portion of the main body portion. And a bag-shaped part in which a magnet is fixed, formed between the extended part at both ends of the main body part, the front edge and both ends of the bag-shaped part, and attached to the tip corner of the keyboard lid. It is composed of a locking portion for a keyboard cover, and an attachment string sewn at one end to the rear side of both ends of the main body and fixed to the piano main body.

この鍵盤蓋用カバーは、鍵盤蓋用係止部を鍵盤蓋の両端の先端角部に嵌め込むようにして係止し、その後、本体部の延長部に取り付けた取付用紐をピアノ本体の反響板の支柱に結び付けるとともに、磁石を内部の金属板の表面に固定することで、ゴム紐、磁石および取付用紐により鍵盤蓋の上端全面に固定され、ピアノ本体に確実に取り付けられるため、鍵盤蓋が開かれている際に外れるおそれはないとされ、この状態でピアノが演奏される。   This cover for the keyboard cover is locked by fitting the locking portion for the keyboard cover to the corners at the ends of both ends of the keyboard cover, and then attaching the mounting string attached to the extension of the main body to the reverberation plate of the piano body. By connecting the magnet to the support and fixing the magnet to the surface of the internal metal plate, it is fixed to the entire upper end of the keyboard lid by rubber strings, magnets, and mounting strings, and is securely attached to the piano body. It is said that there is no danger that the piano will fall off while the piano is being played.

そして、ピアノの演奏やその指導に際して、譜面台に楽譜や筆記用具を置くことになるが、この鍵盤蓋用カバーによれば、ピアノ本体と鍵盤蓋とピアノ本体との間隙の上面が全面的に覆われているため、演奏による振動や不注意により楽譜や筆記用具が間隙に落下し、鍵盤蓋の表面に沿って落下して、ピアノの内部に転落することが防止される。   Then, when playing the piano or teaching the piano, the musical score and writing utensils are placed on the music stand. According to this cover for the lid, the upper surface of the gap between the piano body and the keyboard lid and the piano body is entirely covered. Because it is covered, the musical score and the writing utensil fall into the gap due to vibration or carelessness due to the performance, fall along the surface of the keyboard cover, and fall down inside the piano.

登録実用新案第３１７６６７３３号公報Registered Utility Model No. 31766733

しかしながら、上記鍵盤蓋用カバーでは、本体部の前方縁部において鍵盤蓋用係止部が鍵盤蓋の両端の先端角部に嵌め込まれ、本体部の後方縁部において磁石によりピアノ本体内部の金属板の表面に固定されており、本体部の上面は全面に渡って平坦となっている。そのため、ピアノの演奏中に楽譜や筆記用具が間隙に落下することは防止できるものの、落下した楽譜や筆記用具がこの本体部の上面に沿って鍵盤上に滑り落ちることがある。   However, in the cover for the keyboard cover, the locking portion for the keyboard cover is fitted into the front corners of both ends of the keyboard cover at the front edge of the main body, and the metal plate inside the piano main body is magnetized by the magnet at the rear edge of the main body. The upper surface of the main body is flat over the entire surface. For this reason, it is possible to prevent the musical score and the writing implement from falling into the gap during the performance of the piano, but the dropped musical score and the writing implement may slide on the keyboard along the upper surface of the main body.

そこで、本発明においては、グランドピアノの鍵盤蓋を開いた際に生じる鍵盤蓋とピアノ本体との間隙に楽譜や筆記用具等がピアノ本体内部へ落下するのを防止するとともに、鍵盤上に滑り落ちるのを防止することが可能な落下防止カバーを提供することを目的とする。   Therefore, in the present invention, it is possible to prevent a musical score, a writing instrument, and the like from dropping into the inside of the piano body in a gap between the keyboard cover and the piano body that occurs when the keyboard cover of the grand piano is opened, and to slide down on the keyboard. It is an object of the present invention to provide a fall prevention cover capable of preventing a fall.

本発明の落下防止カバーは、グランドピアノの鍵盤蓋が開かれた状態において鍵盤蓋の前框部に沿って延び、当該前框部の上面に載置される帯状の前方支持部であり、前框部と接触する下面に滑り止め部を有する前方支持部と、前方支持部と平行に延び、グランドピアノのピアノ本体の前部上面に載置される帯状の後方支持部であり、ピアノ本体の前部上面と接触する下面に滑り止め部を有する後方支持部と、前方支持部と後方支持部との間に構成される落下物受部であり、前框部の上面とピアノ本体の前部上面との間で鍵盤蓋とピアノ本体との間隙内に凹状に垂れ下がる落下物受部とからなる。   The fall prevention cover of the present invention is a belt-like front support portion that extends along the front frame of the keyboard cover when the keyboard cover of the grand piano is opened, and is placed on the upper surface of the front frame. A front support portion having a non-slip portion on the lower surface in contact with the frame portion; a belt-shaped rear support portion extending in parallel with the front support portion and placed on the front upper surface of the piano body of the grand piano; A rear support portion having a non-slip portion on a lower surface in contact with the front upper surface; a fallen object receiving portion formed between the front support portion and the rear support portion; an upper surface of the front frame portion and a front portion of the piano body; A fallen object receiving portion that hangs concavely in the gap between the keyboard cover and the piano body between the upper surface and the keyboard cover.

本発明の落下防止カバーは、グランドピアノの鍵盤蓋が開かれた状態において鍵盤蓋の前框部の上面に前方支持部を載置するとともに、ピアノ本体の前部上面に後方支持部を載置するだけで、前方支持部の下面の滑り止め部および後方支持部の下面の滑り止め部により本発明の落下防止カバーが鍵盤蓋の前框部の上面とピアノ本体の前部上面とに支持され、前框部の上面とピアノ本体の前部上面との間で鍵盤蓋とピアノ本体との間隙内に落下物受部が凹状に垂れ下がった状態で取り付けられる。   The fall prevention cover of the present invention mounts the front support portion on the upper surface of the front frame portion of the keyboard cover when the keyboard cover of the grand piano is opened, and mounts the rear support portion on the front upper surface of the piano body. The fall prevention cover of the present invention is supported on the upper surface of the front frame of the keyboard cover and the upper surface of the front of the piano body by the anti-slip portion on the lower surface of the front support portion and the anti-slip portion on the lower surface of the rear support portion. The fallen object receiving portion is attached to the gap between the keyboard cover and the piano body between the upper surface of the front frame portion and the upper surface of the front portion of the piano body in a concavely hanging state.

ここで、前方支持部および後方支持部は、内部に補強用の芯材を有することが望ましい。これにより、鍵盤蓋の前框部の上面とピアノ本体の前部上面とに支持される前方支持部および後方支持部の形状が平面状に維持されるようになり、前方支持部の下面の滑り止め部および後方支持部の下面の滑り止め部と鍵盤蓋の前框部の上面およびピアノ本体の前部上面との接触が維持されるので、それぞれの滑り止め部の摩擦力を発揮し続けることができる。   Here, it is desirable that the front support portion and the rear support portion have a core material for reinforcement inside. As a result, the shapes of the front support portion and the rear support portion supported by the upper surface of the front frame portion of the keyboard cover and the upper surface of the front portion of the piano body are maintained in a planar shape, and the lower surface of the front support portion slides. The contact between the non-slip part on the lower surface of the stop part and the rear support part, the upper surface of the front frame part of the keyboard lid and the upper surface of the front part of the piano body is maintained, so that the friction force of each anti-slip part continues to be exhibited. Can be.

（１）グランドピアノの鍵盤蓋が開かれた状態において鍵盤蓋の前框部に沿って延び、当該前框部の上面に載置される帯状の前方支持部であり、前框部と接触する下面に滑り止め部を有する前方支持部と、前方支持部と平行に延び、グランドピアノのピアノ本体の前部上面に載置される帯状の後方支持部であり、ピアノ本体の前部上面と接触する下面に滑り止め部を有する後方支持部と、前方支持部と後方支持部との間に構成される落下物受部であり、前框部の上面とピアノ本体の前部上面との間で鍵盤蓋とピアノ本体との間隙内に凹状に垂れ下がる落下物受部とからなる落下防止カバーによれば、演奏による振動や不注意により落下した楽譜や筆記用具等の落下物は、前框部の上面とピアノ本体の前部上面との間で鍵盤蓋とピアノ本体との間隙内に凹状に垂れ下がった状態の落下物受部により受け止められるので、グランドピアノの鍵盤蓋を開いた際に生じる鍵盤蓋とピアノ本体との間隙に楽譜や筆記用具等がピアノ本体内部へ落下するのを防止することができるとともに、鍵盤上に滑り落ちるのを防止することができる。 (1) A belt-shaped front support that extends along the front frame portion of the keyboard cover when the keyboard cover of the grand piano is opened and is placed on the upper surface of the front frame portion, and contacts the front frame portion. A front support portion having a non-slip portion on a lower surface, and a belt-shaped rear support portion extending in parallel with the front support portion and mounted on the front upper surface of the piano body of the grand piano, and in contact with the front upper surface of the piano body. A rear support portion having a non-slip portion on the lower surface, and a fallen object receiving portion configured between the front support portion and the rear support portion, between the upper surface of the front frame portion and the front upper surface of the piano body. According to the fall-prevention cover, which consists of a fallen object receiving part that hangs concavely in the gap between the keyboard lid and the piano body, falling objects such as musical scores and writing utensils that fall due to vibrations or carelessness due to performance are Between the keyboard cover and the piano body between the top surface and the front top surface of the piano body. Musical instruments and writing utensils fall into the inside of the piano body in the gap between the keyboard cover and the piano body that occurs when the keyboard cover of the grand piano is opened because it is received by the fallen object receiving part that hangs concavely in the gap Can be prevented, and slipping on the keyboard can be prevented.

（２）前方支持部および後方支持部が、内部に補強用の芯材を有する構成により、鍵盤蓋の前框部の上面とピアノ本体の前部上面とに支持される前方支持部および後方支持部の形状が平面状に維持され、それぞれの滑り止め部の摩擦力を発揮し続けるので、本発明の落下防止カバーを鍵盤蓋の前框部の上面およびピアノ本体の前部上面との間に安定して支持することが可能となる。 (2) The front support portion and the rear support portion are supported by the upper surface of the front frame portion of the keyboard lid and the front upper surface of the piano body by the configuration in which the front support portion and the rear support portion have a reinforcing core therein. Since the shape of the part is kept flat and the anti-slip part continues to exert the frictional force, the fall prevention cover of the present invention is placed between the upper surface of the front frame part of the keyboard lid and the upper surface of the front part of the piano body. It becomes possible to support stably.

本発明の実施の形態における落下防止カバーの斜視図である。It is a perspective view of a fall prevention cover in an embodiment of the invention. 図１の落下防止カバーの下面図である。It is a bottom view of the fall prevention cover of FIG. 図１のＩＩＩ−ＩＩＩ断面図である。FIG. 3 is a sectional view taken along line III-III of FIG. 1. 本発明の実施の形態における落下防止カバーの使用状態を示す部分断面図である。FIG. 4 is a partial cross-sectional view illustrating a use state of the fall prevention cover according to the embodiment of the present invention.

図１は本発明の実施の形態における落下防止カバーの斜視図、図２は図１の落下防止カバーの下面図、図３は図１のＩＩＩ−ＩＩＩ断面図、図４は本発明の実施の形態における落下防止カバーの使用状態を示す部分断面図である。   1 is a perspective view of a fall prevention cover according to an embodiment of the present invention, FIG. 2 is a bottom view of the fall prevention cover of FIG. 1, FIG. 3 is a cross-sectional view taken along line III-III of FIG. 1, and FIG. FIG. 4 is a partial cross-sectional view illustrating a use state of the fall prevention cover according to the embodiment.

図１〜図４に示すように、本発明の実施の形態における落下防止カバー１は、グランドピアノの鍵盤蓋Ｇ１が開かれた状態において鍵盤蓋Ｇ１の前框部Ｇ２の上面Ｇ２０に載置される前方支持部２と、グランドピアノのピアノ本体Ｇ０の前部Ｇ３の上面Ｇ３０に載置される後方支持部３と、前方支持部２と後方支持部３との間に構成される落下物受部４とから構成される。   As shown in FIGS. 1 to 4, the fall prevention cover 1 according to the embodiment of the present invention is placed on the upper surface G20 of the front frame portion G2 of the keyboard cover G1 in a state where the keyboard cover G1 of the grand piano is opened. A front support portion 2, a rear support portion 3 mounted on the upper surface G30 of a front portion G3 of the piano body G0 of the grand piano, and a fallen object receiver formed between the front support portion 2 and the rear support portion 3. 4.

前方支持部２は、グランドピアノの鍵盤蓋Ｇ１が開かれた状態において鍵盤蓋Ｇ１の前框部Ｇ２に沿って延びる帯状である。前方支持部２の下面、すなわち鍵盤蓋Ｇ１の前框部Ｇ２と接触する下面には、滑り止め部としての滑り止めシート５が貼着されている。滑り止めシート５は、鏡面仕上げされたグランドピアノの表面（鍵盤蓋Ｇ１の前框部Ｇ２の上面Ｇ２０）と接触して摩擦力を発揮し、前方支持部２を鍵盤蓋Ｇ１の前框部Ｇ２上に留め置くものである。   The front support portion 2 has a band shape extending along the front frame portion G2 of the keyboard cover G1 when the keyboard cover G1 of the grand piano is opened. A non-slip sheet 5 as a non-slip portion is adhered to a lower surface of the front support portion 2, that is, a lower surface of the keyboard lid G1 that contacts the front frame portion G2. The anti-slip sheet 5 comes into contact with the mirror-finished surface of the grand piano (the upper surface G20 of the front frame portion G2 of the keyboard lid G1) to exert a frictional force, and causes the front support portion 2 to form the front frame portion G2 of the keyboard lid G1. It is something to keep on top.

後方支持部３は、前方支持部２と平行に延びる帯状である。後方支持部３の下面、すなわち、ピアノ本体Ｇ０の前部Ｇ３の上面Ｇ３０と接触する下面にも、前方支持部２と同様に、滑り止め部としての滑り止めシート５が貼着されている。また、前方支持部２および後方支持部３の内部には、それぞれ補強用の芯材としての厚さ１ｍｍのプラスチック板６が設けられている。   The rear support 3 has a band shape extending in parallel with the front support 2. An anti-slip sheet 5 as an anti-slip portion is also adhered to the lower surface of the rear support portion 3, that is, the lower surface of the front portion G3 of the piano body G0 that is in contact with the upper surface G30. In addition, a plastic plate 6 having a thickness of 1 mm is provided inside the front support portion 2 and the rear support portion 3 as a reinforcing core material.

落下防止カバー１は、図３に示すように、２枚の布７を貼り合わせて形成されている。プラスチック板６は、前方支持部２および後方支持部３の位置において、この２枚の布７の間に挟み込むようにして貼着される。滑り止めシート５は下側の布７の下面に貼着される。なお、プラスチック板６に代えてカルトン紙などの他の芯材を用いることも可能である。   As shown in FIG. 3, the fall prevention cover 1 is formed by bonding two cloths 7 together. The plastic plate 6 is stuck between the two cloths 7 at the positions of the front support portion 2 and the rear support portion 3. The non-slip sheet 5 is attached to the lower surface of the lower cloth 7. It is also possible to use another core material such as carton paper instead of the plastic plate 6.

落下物受部４は、前方支持部２が鍵盤蓋Ｇ１の前框部Ｇ２の上面Ｇ２０に支持され、後方支持部３がピアノ本体Ｇ０の前部Ｇ３の上面Ｇ３０に支持された状態において、前框部Ｇ２の上面Ｇ２０とピアノ本体Ｇ０の前部Ｇ３の上面Ｇ３０との間で鍵盤蓋Ｇ１とピアノ本体Ｇ０との間隙Ｇ４内に、その自重により凹状に垂れ下がる。   The fallen object receiver 4 is configured such that the front support 2 is supported on the upper surface G20 of the front frame G2 of the keyboard lid G1 and the rear support 3 is supported on the upper surface G30 of the front G3 of the piano body G0. Due to its own weight, it hangs in a concave shape in the gap G4 between the keyboard lid G1 and the piano body G0 between the upper surface G20 of the frame portion G2 and the upper surface G30 of the front part G3 of the piano body G0.

上記構成の落下防止カバー１は、グランドピアノの鍵盤蓋Ｇ１が開かれた状態において鍵盤蓋Ｇ１の前框部Ｇ２の上面Ｇ２０に前方支持部２を載置するとともに、ピアノ本体Ｇ０の前部Ｇ３の上面Ｇ３０に後方支持部３を載置するだけで、前方支持部２および後方支持部の下面の滑り止めシート５により鍵盤蓋Ｇ１の前框部Ｇ２の上面Ｇ２０とピアノ本体Ｇ０の前部Ｇ３の上面Ｇ３０とに支持される。これにより、前框部Ｇ２の上面Ｇ２０とピアノ本体Ｇ０の前部Ｇ３の上面Ｇ３０との間で鍵盤蓋Ｇ１とピアノ本体Ｇ０との間隙Ｇ４内に落下物受部４が凹状に垂れ下がった状態で取り付けられる。   With the fall prevention cover 1 having the above configuration, the front support portion 2 is placed on the upper surface G20 of the front frame portion G2 of the keyboard cover G1 in a state where the keyboard cover G1 of the grand piano is opened, and the front portion G3 of the piano body G0. The upper surface G20 of the front frame portion G2 of the keyboard lid G1 and the front portion G3 of the piano body G0 are simply placed on the upper surface G30 of the piano body G0 by placing the rear support portion 3 on the upper surface G30. And the upper surface G30. As a result, the fallen object receiving portion 4 hangs concavely in the gap G4 between the keyboard cover G1 and the piano body G0 between the upper surface G20 of the front frame portion G2 and the upper surface G30 of the front portion G3 of the piano body G0. It is attached.

そして、ピアノの演奏やその指導に際して、譜面台Ｇ５に楽譜や筆記用具等を置くことになるが、演奏による振動や不注意によりこの譜面台Ｇ５から落下した楽譜や筆記用具等の落下物は、鍵盤蓋Ｇ１の前框部Ｇ２の上面Ｇ２０とピアノ本体Ｇ０の前部Ｇ３の上面Ｇ３０との間で鍵盤蓋Ｇ１とピアノ本体Ｇ０との間隙Ｇ４内に凹状に垂れ下がった状態の落下物受部４により受け止められる。そのため、鍵盤蓋Ｇ１とピアノ本体Ｇ０との間隙Ｇ４に楽譜や筆記用具等がピアノ本体内部Ｇ６へ落下するのを防止することができる。また、落下物は凹状に垂れ下がった落下物受部４内に保持されるので、落下防止カバー１上から鍵盤Ｇ７上に滑り落ちるのを防止することができる。   Then, when playing the piano or instructing it, a musical score or a writing instrument is placed on the music stand G5. Falling object receiving portion 4 in a state of being concavely hung in gap G4 between keyboard cover G1 and piano body G0 between upper surface G20 of front frame portion G2 of keyboard cover G1 and upper surface G30 of front portion G3 of piano body G0. Received by Therefore, it is possible to prevent a score or a writing instrument from falling into the inside of the piano body G6 in the gap G4 between the keyboard lid G1 and the piano body G0. In addition, since the fallen object is held in the fallen object receiving portion 4 hanging down in a concave shape, it is possible to prevent the fallen object from slipping from the fall prevention cover 1 onto the keyboard G7.

なお、グランドピアノのメーカーによっては鍵盤蓋Ｇ１が開かれた状態において鍵盤蓋Ｇ１の前框部Ｇ２の上面Ｇ２０の高さとピアノ本体Ｇ０の座遠部Ｇ３の上面Ｇ３０の高さとが異なり、鍵盤蓋Ｇ１の前框部Ｇ２の上面Ｇ２０の方が高かったり、ピアノ本体Ｇ０の前部Ｇ３の上面Ｇ３０の方が高かったりするが、本実施形態における落下防止カバー１では、前方支持部２と後方支持部３との間の落下物受部４が自在に変形するため、対応することが可能である。   Note that the height of the upper surface G20 of the front frame portion G2 of the keyboard cover G1 and the height of the upper surface G30 of the remote portion G3 of the piano body G0 differ when the keyboard cover G1 is opened, depending on the manufacturer of the grand piano. Although the upper surface G20 of the front frame portion G2 of G1 is higher or the upper surface G30 of the front portion G3 of the piano body G0 is higher, the fall prevention cover 1 of the present embodiment has the front support portion 2 and the rear support portion. Since the fallen object receiving portion 4 between the portion 3 and the portion 3 is freely deformed, it is possible to cope with it.

また、本実施形態における落下防止カバー１は、前方支持部２および後方支持部３の内部に補強用の芯材としてのプラスチック板６を有するので、鍵盤蓋Ｇ１の前框部Ｇ２の上面Ｇ２０とピアノ本体Ｇ０の前部Ｇ３の上面Ｇ３０とに支持される前方支持部２および後方支持部３の形状が平面状に維持されるようになる。これにより、前方支持部２および後方支持部３のそれぞれの下面の滑り止めシート５と鍵盤蓋Ｇ１の前框部Ｇ２の上面Ｇ２０およびピアノ本体Ｇ０の前部Ｇ３の上面Ｇ３０との接触が維持されるので、それぞれの滑り止めシート５の摩擦力を発揮し続けることができ、落下防止カバー１は鍵盤蓋Ｇ１の前框部Ｇ２の上面Ｇ２０およびピアノ本体Ｇ０の前部Ｇ３の上面Ｇ３０との間に安定して支持される。   In addition, since the fall prevention cover 1 in the present embodiment has the plastic plate 6 as a reinforcing core material inside the front support portion 2 and the rear support portion 3, the fall prevention cover 1 has the upper surface G20 of the front frame portion G2 of the keyboard lid G1. The shapes of the front support portion 2 and the rear support portion 3 supported by the front surface G30 of the front portion G3 of the piano body G0 are maintained in a planar shape. Thereby, the contact between the non-slip sheet 5 on the lower surface of each of the front support portion 2 and the rear support portion 3 and the upper surface G20 of the front frame portion G2 of the keyboard lid G1 and the upper surface G30 of the front portion G3 of the piano body G0 is maintained. Therefore, the frictional force of each anti-slip sheet 5 can continue to be exerted, and the fall prevention cover 1 is provided between the upper surface G20 of the front frame portion G2 of the keyboard lid G1 and the upper surface G30 of the front portion G3 of the piano body G0. It is supported stably.

なお、本実施形態における落下防止カバー１は、長手方向の長さが１３３ｃｍであるが、この長さはグランドピアノの鍵盤蓋の長さに応じて、例えば１３０〜１４０ｃｍ、より好ましくは１３３〜１３７ｃｍとするのが良い。また、短手方向の幅は２０ｃｍであり、この幅であればグランドピアノのメーカー（製品）に関わらず対応することが可能である。なお、短手方向の幅は１８〜２２ｃｍ程度とするのが良い。   Note that the fall prevention cover 1 in the present embodiment has a length in the longitudinal direction of 133 cm, and this length is, for example, 130 to 140 cm, more preferably 133 to 137 cm, depending on the length of the keyboard cover of the grand piano. Good to be. In addition, the width in the short direction is 20 cm, and if it is this width, it is possible to respond regardless of the manufacturer (product) of the grand piano. The width in the short direction is preferably about 18 to 22 cm.

また、前方支持部２および後方支持部３の幅は４ｃｍであり、落下物受部４の幅は１２ｃｍである。前方支持部２の幅は、鍵盤蓋Ｇ１の前框部Ｇ２の幅に応じて、例えば３〜５ｃｍとすることが望ましい。後方支持部３の幅は、前方支持部２の幅と同程度、例えば３〜５ｃｍとすることが望ましい。落下物受部４の幅は、例えば８〜１５ｃｍとすることが望ましい。これにより、グランドピアノのメーカー（製品）に関わらず、前框部Ｇ２の上面Ｇ２０とピアノ本体Ｇ０の前部Ｇ３の上面Ｇ３０との間で鍵盤蓋Ｇ１とピアノ本体Ｇ０との間隙内に落下物受部４が凹状に垂れ下がるようになる。   Further, the width of the front support 2 and the rear support 3 is 4 cm, and the width of the fallen object receiver 4 is 12 cm. The width of the front support 2 is desirably, for example, 3 to 5 cm according to the width of the front frame G2 of the keyboard lid G1. The width of the rear support portion 3 is desirably the same as the width of the front support portion 2, for example, 3 to 5 cm. It is desirable that the width of the falling object receiving portion 4 is, for example, 8 to 15 cm. Thus, regardless of the manufacturer (product) of the grand piano, a falling object falls into the gap between the keyboard cover G1 and the piano body G0 between the upper surface G20 of the front frame portion G2 and the upper surface G30 of the front portion G3 of the piano body G0. The receiving portion 4 hangs in a concave shape.

また、本実施形態における落下防止カバー１は、容易に折り畳んで携帯することが可能であるため、自宅のピアノだけではなく、例えばレッスンの出張先やセミナーで使用する他のピアノにも使用することが可能である。   Further, since the fall prevention cover 1 according to the present embodiment can be easily folded and carried, it can be used not only for a piano at home but also for other pianos used for business trips in a lesson or seminars. Is possible.

本発明は、グランドピアノの鍵盤蓋を開いた際に生じる鍵盤蓋とピアノ本体との間隙を覆い、この間隙に楽譜や筆記用具等がピアノ本体内部へ落下するのを防止する落下防止カバーとして有用である。   INDUSTRIAL APPLICABILITY The present invention is useful as a fall prevention cover that covers a gap between a keyboard cover and a piano body that occurs when a keyboard cover of a grand piano is opened, and prevents music, writing instruments, and the like from falling into the inside of the piano body in this gap. It is.

１ 落下防止カバー
２ 前方支持部
３ 後方支持部
４ 落下物受部
５ 滑り止めシート
６ プラスチック板
７ 布 DESCRIPTION OF SYMBOLS 1 Fall prevention cover 2 Front support part 3 Back support part 4 Falling object receiving part 5 Non-slip sheet 6 Plastic plate 7 Cloth

Claims (3)

グランドピアノの鍵盤蓋が開かれた状態において鍵盤蓋の前框部に沿って延び、当該前框部の上面に載置される帯状の前方支持部であり、前記前框部と接触する下面に滑り止め部を有する前方支持部と、
前記前方支持部と平行に延び、前記グランドピアノのピアノ本体の前部上面に載置される帯状の後方支持部であり、前記ピアノ本体の前部上面と接触する下面に滑り止め部を有する後方支持部と、
前記前方支持部と前記後方支持部との間に構成される落下物受部であり、前記前框部の上面と前記ピアノ本体の前部上面との間で前記鍵盤蓋と前記ピアノ本体との間隙内に凹状に垂れ下がる落下物受部と
からなる落下防止カバー。 A belt-shaped front support that extends along the front frame portion of the keyboard cover when the keyboard cover of the grand piano is opened, and is placed on the upper surface of the front frame portion. A front support having a non-slip portion;
A rear support portion extending in parallel with the front support portion and mounted on a front upper surface of the piano body of the grand piano, and having a non-slip portion on a lower surface in contact with the front upper surface of the piano body. A support,
A fallen object receiving portion configured between the front support portion and the rear support portion, wherein the keyboard cover and the piano body are connected between an upper surface of the front frame portion and an upper surface of a front portion of the piano body. A fall prevention cover comprising a fallen object receiving portion that hangs concavely in the gap. 前記前方支持部および前記後方支持部は、内部に補強用の芯材を有する請求項１記載の落下防止カバー。   The fall prevention cover according to claim 1, wherein the front support portion and the rear support portion have a reinforcing core therein. 前記前方支持部と前記後方支持部との間が８〜１５ｃｍである請求項１または２に記載の落下防止カバー。   The fall prevention cover according to claim 1 or 2, wherein a distance between the front support portion and the rear support portion is 8 to 15 cm.
JP2018153547A 2018-08-17 2018-08-17 Anti-drop cover Pending JP2020027226A (en)

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JP3176633U (en) * 2012-04-12 2012-06-28 山本 道雄 Grand piano keyboard cover
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