TWI258729B - Keystroke device of piano - Google Patents

Abstract

Disclosed is a keystroke device of a piano by which static loading to be applied on the tips of keys on the playing sides can easily be adjusted. The key stroke device is provided with long weight levers (21) constituted so that they are arranged along the length directions of the keys (3) at upper parts on the opposite sides of the playing sides of the keys (3), one ends of them are fixed to a piano main body to be freely oscillated in the up and down directions, the open end sides which can be displaced in the up and down directions are brought into contact with the upper surfaces of the keys (3) by their own weight and apply weight on the keys (3), for every key (3). Thus, the static loading to be applied to the keys (3) can be adjusted by replacing the weight levers (21) without detaching the keys (3) by disassembling the keystroke device.

Description

1258729

V. DESCRIPTION OF THE INVENTION (Technical Fields of the Invention) When playing = playing a key, it is possible to adjust the piano striking device applied to the key [previously = ^ negative. Into: 6 piano strikes, the communication part 120 and the hammer part 13 ° are adjusted in the map. Previously, as shown in Figure 6, for the static position ^ 7 key 11 〇 ^ ' applied to the key ii 〇 playing side front end J n = 1 = the key 110 playing side front side face H2 set hole, in the second; L % has the fault of hammering 115. Further, in order to conform to the weight of the static negative line 2 of the sound, the sound applied to the key no is gradually reduced: ,;;; the sound is gradually adjusted from the low side to the high side. Hey, hi negative's performance in the piano player's touch on the key 110;;;;;:::=The pros and cons of the piano - an important parameter, the skill of the person must be adjusted carefully or carefully . Blow down t: The chord side of the duo side is thicker than the chord side of the treble side. Therefore, you need to hit the hammer 131, which is lower than the hammer 135 that hits the treble side string:::. Therefore, 'even though the state of the lead 115 is not installed: the root load is heavy'. However, in this state T, the hammer key 110 is struck at the adjacent portion or the like, and compared with the other portions, the ig! The static load difference will be particularly large. After the consideration of the above various factors, the selection of lead 115 = and the error 115 for each of the keys 110, and then the faults 115 are installed in each of the circumferences 2 naturally to make the static negative to the sound side to the low side 'In the appropriate range, 3 Π For example, refer to the Japanese Patent No. 5 3 - 2 3 2 1 9

2013-5429-PF(Nl).ptd ^ 5 pages 1258729

Bulletin). However, 'Piano group standing #, when the load is static, it will continue to fight. # In the adjustment of the front end applied to the playing side of the key, it is necessary to lead either lead 115 or lead n5 and the key 110, after the assembly, the corresponding. = The operation of the striking device 100. Therefore, the piano is easy. The operation of adjusting the static load by the progress of the test of the 7th is not the object of the present invention, and the string device can provide a kind of piano load by the above problem. Responsively adjust the static negative impact applied to the front end of the playing side of the piano. [Description of the Invention] In order to solve the above-mentioned problem of the piano stringing of the lesson & The key includes a long load lever, and the extension direction of the key is arranged on the opposite side of the shoulder side of the 7-key, and is rocked up and down along the piano body, and one end is fixed to the piano body and can be attached to the hammer on its own weight. The open end of the up and down displacement is applied to the key as described above. k 须^ 口 口 荷 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆 杠杆Change the static load of the load lever 1芩 key. In addition, if the present invention is applied to the smear of the sputum, the singularity of the smear can be applied to the pea-type piano, and if the load is changed, the hoist is added to the key. Moreover, because of the negative amp &#里,活, it is possible to adjust the static and negative of the keys. 7 S, why is the shell set 詈 too 癸 left apricot L on the Φ buried in the upper part of the key 15 keys, so, with the previous person, Du Dan In his fruit, uplight piano), "the sun and the moon are applied to the vertical piano piano". The reason is that ' & Aberdeen - pick up two platform pianos (grand, 'persons and levers of the sports system is similar to vertical

1258729 V. Description of invention (3) The hammer movement of the piano (uplight Pian0), after the player presses the incineration button, the load lever will immediately cry the key ^ ' ' and stop the movement of the key. . After that, the negative cup will be separated from the key: Yes, "The load lever is set on the upper part of the key. When the keyboard is pressed, the lever will jump very high, which may cause the player to be different. κ "rod" The above-mentioned stop rail is fixed to the piano's length „ The upper part of the pole spans the complex load lever, and the load is applied upwards. The multiple load levers are touched upwards; the set position of the crossbar is set, and Give the performance (4) take the time, do the appropriate depreciation, adjust the static position of the Essence, and adjust the weight of the lever to adjust the side J f as described above, by changing the third item, and more // However, it is also possible to apply the patent system to make the aforementioned load lever at the key of the key. The moving mechanism described above moves the load lever relative to the second and second earth. The reason is in the following::; the phase of the rod = the movement of the key, the effect of the load on the load lever, the distance between the lever and the position of the key contact, the distance between the keys will change. If the box is changed to a k-like case, there is no need to change the load. Leverage, you can adjust the static

2013-5429-PF(Nl).ptd « 7 pages 1258729

(4) Load, therefore, static load ^ In addition, the statical negative is considered because of the performance of the mast. In order to easily form the elongate lift bar/system in the form described in the fourth item, the piano body can be self-contacted by the lever. If it is changed so that the lever does not touch the key, it is retracted from the state of the key. Reverse the normal position of the key. The state of the key. That is, it is possible to provide a piano change. Moreover, although the upper and lower outer plates are re-implemented, the connecting member is included, the other end of the rod is pulled out to the other end of the connecting member, and if it is changed to be able to switch the static load of the ascending crossbar, the use of the lever is very large. The position, in other words, does not need to be as above, it can lift the crossbar, such as the application of the special connecting member outside the piano to enable the front position, the position of the play (convenient. The adjustment work becomes easy. 2 age or preference and other factors In order to enable the short-term disappearance of the influence of the above-mentioned load ^, the above requirements can also be fulfilled, and it can be made into a patent application, that is, it can include a long-lifting crossbar, between the front 刖j load lever and the key, spanning the plural As described below, the load lever can move the load lever through position to the retracted position, and is fixed to the load lever by causing the lift bar to rise to the load bar to cause the load lever to not load. The load lever applies a load to remove or replace the load lever, and it is easy to perform a two-stage switching operation of the static load. According to the fifth item of the steel-making range, it can also be connected to the aforementioned ascending cross, by operating the aforementioned lift rail displacement outside the piano. The player does not need to remove the piano outer panel, and change the s That is applied to the keys

1258729 V. INSTRUCTION OF THE INVENTION (5) However, the portion where the load lever contacts the key is, for example, a circular shape. However, the load is applied to the keyboard; although the amount is made into a frictional friction, the touch of the key may be affected. ς ^ 产生 产生 请 请 请 请 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 专利 ^ ^ ^ ^ η η η η η η η η η η η η η η η η η η η η η η η η η η η η If the roller of the upper surface rotates 4, if it is changed to this, the negative j can be alleviated. The friction between the keys prevents the wear of the contacts. Dry and piano [Embodiment] Next, a preferred embodiment of the present invention will be described based on the drawings. (First Embodiment) Fig. 1 is a side view showing a striking string of an up piano. As shown in Fig. i, the striking device i is mainly composed of a key 3, a portion 5 (partially shown) and a hammer portion (not shown), and the action of pressing the key causes the key 3 to be The movement is converted into a striking action of the hammer point (not shown). . In this case, the keys 3 are provided with 88 keys for each piano, which can be shaken with the fulcrum. When the key 3 is pressed, the key 3 rises on the opposite side of the side of the key, and the action of pressing the key is transmitted to the player 5. Specifically, the action of pressing the key is performed to the transmitting portion 5 through the front end winch button 丨丨Y of the winch steel wire 9 provided at the opposite end of the side of the key 3^, and, more importantly, Communicate to the hammer. The player's side (the left side of the first figure) is referred to as the "front side of the eye", and the side (the right side of the first figure) is referred to as the "deep side". One opposite

1258729

V. INSTRUCTION OF THE INVENTION (6) In the upper part of the depth of the key 3, a stopper rail 13 is provided, and both ends are supported by the bracket 15 (not shown; the length of the piano is f-shaped; and, in the stop rail On the deep side of the 13th, in the piano, the extension of the 1st piano key, the lower part of the I 彳 之 阑 阑 7 7 7 7 7 7 7 上部 上部 上部 上部 上部 上部 上部 上部 上部 上部 上部 上部 上部 上部 上部 上部 上部 上部 上部 上部 上部 上部 上部 上部 上部 上部 上部 上部 上部1 . Further, since t is placed on the rotating shaft 19 just below the flange 17, and the lever 2 1 is mounted on the deep side with the key 3 ,, the front side can be shaken. 7 keys 3 thousand, The rotating shaft is on the upper surface of the load lever 21, in order to reduce the load: the sound emitted by the 匕3 contact, the wool blanket 23 is provided. Dry; the gear =: core: 21 lower surface < front side, $ with key 3 The contact of the contact is at the time of the moment; the upper surface of the key 3 is also reduced, and the sound of the corpse is relieved, and the wool blanket 27 is provided. Moreover, the weight of the rod 2! is buried in the side of the load lever 21 The damage is placed below the deep side of the load lever 21, and there is a long lift rail 31 for hollowing up the inside of the lever-up lever. A picture shows a perspective view of the adjacent side of the lift bar 31. If the second is not, the lift bar 31 is placed in the same direction as the direction of the key 3 " Further, 曰3^: the load lever 21 is identically swayed through the flange 17 and is free to rotate on the crossbar 13. On the upper surface of the lift rail 31, in order to ease - ": 2" The impact 'is provided with a wool blanket 33. χ, in the lower part of the lift bar ^ is provided with a protrusion extending from the bottom up after the penetrating plate 34 is formed. At the upper end of the convex bar 35, in order to ease contact with the lift bar 31 Time rush

1258729 V. INSTRUCTIONS (7) The hammer is provided with a rubber cover, and the center portion is further provided with a protruding metal pin 39. Further, on the side of the lift rail 31, a hole for guiding the pin 39 is provided (not shown). Show). Returning to Fig. 1, at the lower end of the male struts 35, an L-shaped metal member 41 having an L-shaped core and supporting the convex struts 35 at one end side is provided, and the above-mentioned L-shaped metal members 41 can be on the shaft. Rotate. The other end of the L-shaped metal member 41 is provided with a wire (not shown), and a handle is provided at the front end of the steel wire (not shown), the handle can be pulled to the front side of the eye, or back to the deep side, From the production: and B (not shown), the handle can be fixed on the front side or deep side of the eye: it is contained in the patent application = bar 35, L-shaped metal member 41, steel wire handle handle system and is contained in the scope of patent application. The connecting member is equivalent. The action of the striking device 1 is as follows: 匕t: When the key 3 is pressed, the depth of the key 3 will rise, and the movement of the front end key 3 will be transmitted to the winch steel wire. 9 ascending together, the piano lever 2 1 contact portion 2 5 will be prepared. At the same time, the key 3 will be lifted to the upper side by the load lever 21 with the rotating shaft 19 as a result. Crossbar 13 3. Moreover, g3 rotates in the direction of arrow A until the touch temporarily stops rotating, and then, 2 lever 21 touches the direction of the opposite crossbar 13 in the opposite direction to rotate the lever 2 1 Pulled by gravity, the arrow A touches the key 3. The axis 1 9 rotates for the axis until the contact portion 2 5 is again Fan Wei - genus 4 1 to the arrow B direction to turn the ^ no hand to the front of the eye, the L-shaped gold rail 31 moves upward, the convex struts 35 to the top, lift the load lever 21 Take the top. The result is

2013-5429-PF(Nl).ptd Page 11 1258729 V. Description of the invention (8) When the button 3 is pressed, the key 3 does not touch the contact portion 25 of the load lever 21, and vice versa, by returning the handle to the depth On the side, the L-shaped metal member 41 is rotated in the opposite direction to the direction of the arrow B, and the convex stay 35 is set downward, and the lift bar 31 and the load lever 21 are also lowered downward. As a result, the load lever 21 becomes contacted to the key 3, and a load is applied to the key 3. Hereinafter, the position of the lift rail 31 in this state is referred to as "normal position". In the striking device 1 configured as described above, the load lever 21 alone can be easily replaced without the need to disassemble the striking device, or the load lever 21 and the flange 17 can be replaced, and the key can be adjusted. Further, when the key is pressed, the load is applied to the load lever 21, but when the key 3 is continuously pressed to temporarily stop the movement of the key 3, the load lever 2 1 will be released from the key 3. While exercising alone, it is straight to the crossbar 13. So the movement of the load lever 21, with the sage steel:

UpUght pian〇) The movement of the hammer is similar to the touch of an upl ight piano. Further, pulling the handle (not shown) to raise the bucket crossbar 31 at the normal position until the load lever 21 does not contact the retracted position of the key 3 causes the load lever 21 to not load the key 3; When the lift rail 31 at the retracted position is lowered to the normal position of the load lever 2 ι '3, (4) the state in which the load lever 21 is applied to the piano =. That is to say, it is possible to provide a piano, and it is not necessary; and the key 3 can switch the static load applied to the key 3 in two stages. And: and:, the switching between the top and bottom (four)' is operated by setting the outside of the piano = the handle, so there is no need to remove the piano outer board, Jing You can be outside;

2013-5429-PF(Nl).ptd Page 12 1258729 Five invention descriptions (9) Adding to the key 3 on the static negative 荇 f @ 9 &amp; What is the switching operation <2nd embodiment) Example opposite: 2nd The differences between the examples and the examples are given as the center for explanation. ^ View 3 and the m 2 piano (grand pian〇) striking device 51 are omitted. The same parts of the drawings are given the same reference numerals, and the description is applied to the same, and the use is very convenient. The following is the same as the first embodiment as shown in Fig. 3: the (partially illustrated) and the chord device 51 are mainly composed of the keys 3 The operation of the embossing unit 5 is made up of a love part f (not shown), and the movement of the player's name (not shown) is converted into a slamming part, and the key is 3 y fulcrum and can shake. When the two pianos are equipped with 88 keys 'boxing', the deeper key of the key 3, the front side of the key 3 (the right side of the third figure) is conveyed to the remote by the action of the name key ((3 on the left) The pressure is raised, and the pressing is transmitted through the crying key 3 &gt; 卩 5. Specifically, the operation of pressing the key is performed, and the portion 5 is transmitted to the communication by transmitting the winch screw on the side where the W value is not *. , n 达到 达到 达到 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 7, the load bar load lever 2 1 deep side ^ then the flange 1 7 of the rotating shaft 1 9 . That is, the load iff 9 installed to swing freely. In the core of the core 21 extension rod 43. Also, at: °卩' is provided with a deeper side extension, and a rotor 45, κκ movable, and a key that is in contact with the rotor 45 are provided at the front end of the upper surface of the key 3 of the key 3;

1258729 V - Invention Description (10) &quot; - On the upper surface, when the rotor 45 is placed in contact with the key 3, it is difficult to make a wool blanket 4 9 . Unlike the first embodiment, the lift rail 31 is provided below the front side of the load lever 2 j. Further, a projecting bar 35 and a [type metal member] are provided, and a steel wire (not shown) is attached to one end of the l-shaped metal member 41 opposite to the projecting bar 35. Further, a wire is not provided at the tip end of the steel wire. The handle of the above-mentioned striking device 5 1, the action is as follows. When the keyboard key 3 is pressed, the deep side of the key 3 will rise and pass through the twist. The result extension rod 43' raises the load lever η to the upper rotation. Until the axis of rotation 19 is the axis, in the direction of the arrow c and the jade slid into contact with the snagging yq. After stopping the bar, it will temporarily stop: the load lever 21 touches the pull, and the direction of the arrow c is reversed. After the direction/load lever 21 is moved by gravity until the sub-45 contacts the key, the rotation shaft 19 is pivoted, and the handle 1 is brought to the front by rotating the aforementioned unillustrated member 41 in the direction of the arrow D. On the side, the L-shaped gold crossbar 31 moves upward, and will be lifted upwards, ascending to press the key 3, and the key 3 is not brought upward. As a result, the reverse is achieved by pressing the handle back; The arrow D rotates in the opposite direction to the deep side, and the L-shaped metal member 41 goes to the crossbar 31 and the load lever 21 The lower convex stay 35 is also lowered downward, and the lift contacts the key 3, and the load is applied. As a result, the rotor 45 becomes the same as the key 3 〇

The striking device U bl ' can be configured to obtain the action and effect of the invention embodiment (11). The deeper side of the load lever 21 is provided with an extension rod extending deeper. Therefore, even when the load lever 2 is close to the key fulcrum (box), the load can be effectively applied to the key 3. Whatever the case, the front end portion of the extension rod 4 3, that is, the portion in contact with the key 3 is provided with the rotor 45'. Therefore, the rotation axis 19 of the load lever 21 and the rotation center of the key 3 (that is, the jaw 7) With regard to the relevant positional configuration, the keys 3 can be smoothly operated to obtain a good touch. (Third embodiment)

Next, the third embodiment will be described. Hereinafter, a description will be given focusing on differences from the first embodiment.

Fig. 4 is a side view showing the uplight pian〇 striking device 71. The same parts as those in Fig. 1 are given the same reference numerals, and the description thereof will be omitted. As shown in Fig. 4, the load lever 2丨 of the striking device 7丨 is disposed in a direction different from the load lever 2丨 (refer to the i-th image) of the striking device i of the first embodiment, and the load lever of the striking device 7 1 is different. The 2 1 series is arranged to extend to the deep side (the left side of Fig. 4), and is rocked with the rotating shaft 1 g as the axis. Further, in conjunction with the configuration, a stopper rail 13 or the like is also provided. Further, in the lower surface of the load θ lever 21 of the striking device 1 of the i-th embodiment, the contact portion 25 (see Fig. 1) is provided. However, the lower surface of the load lever 2 1 of the third embodiment is useful. A wool blanket 89 that reduces the contact sound. Moreover, it is also possible to use a cloth or ::: to produce the aforementioned wool blanket 89. Further, the load lever 21 is supported by a lever receiving screw 85 provided on the upper surface of the key 3 of the &gt; Further, :t is circular by the contact portion of the screw 85 and the load lever 21. § The rank bar 13 supports the rain end by a plate-shaped crossbar support member 73

1258729 ----- V. Invention description (12) and the middle part (Brake Qiu &amp;, fixed to the sliding crossbar 75: the upper knife crossbar 7: and the upper transverse two-law component 73 are respectively 75 because they are similar The shape of the sliding crossbar is shown in the plural. The juice is only for one of the following: the bone crossbar 7 5 is placed on the shelf 3 4 below the crossbar support member 73, and the 7th key is 3 thousand rows. The crossbar 75b is composed of 1 middle and lower: the movable bar 75 is fixed to the piano body by the upper crossbar 75a and the lower crossbar 755. The friction bearing (the R* between the § is useful again) In order to reduce the ancient Att diagram, the upper plate 7 5 a is on the lower crossbar 7 5 b as two: between the deep side and the front side of the eye (the right side of the fourth figure). The sliding of the rod ... is determined to be slid between the side of the t and the front side of the eye, with the shifting rod 21 being equal to the crossbar 13 and the flange on the crossbar 13 17 and the outermost two of the load bar. In addition, in the plurality of sliding cross bars 75, the front end of the crossbar 75a of the crossbar 75a is provided at %=杈柃75, and the arm pin of the flange 75 is provided. The 79' system has the function of dissipating the force other than the sliding direction of the ρ F' 梓 5a on the arm 81 described later, and interlocking the arm 81 and the upper cup 75 5 a. The arm 81 is only disposed on the plurality of sliding cross bars 75 The π movable % rod 7 5 is disposed on the cross rod 7 5 a. That is, the arm 8 1 is provided with two. One end of each arm 81 is attached to the mounting portion provided on the lower surface of the panel 34 83, and can be rotatably centered on the connecting shaft. As a result, the two arms 81 are interlocked by the joint and the spindle shaft 81. In addition, the other end of the arm 8 1 extends from the lower portion of the shelf 34 through the shelf 34' Until the key 3, and one of the two arms 81, more 2013-5429-PF (Nl).ptd page 16 1258729

V. INSTRUCTION OF THE INVENTION (13) It is possible to operate the arm 81 by projecting the piano member through the cover member. Γ W The second time player does not need to open the striking device 71 constructed as above, and the action is as follows. When the player turns the arm 81 in the direction of the arrow, move to the deep side, with 4 #7 5 a sliding 13, flange 17 and negative;: two = second reading support, hitting the crossbar 1 cup 1 Move to the deep side (^ σ ^ shown by the arrow F, the player will privately move the arm 81 in the opposite direction of the arrow £, the upper crossbar 75a slides to the front side of the eye, the stop rail 13, the method And the two sides of the building (in the opposite direction of the arrow F). e moves to the front of the r21im player can change the load bar, the special position by operating the arm 81 ', at the same time, the role of the load lever 21: and, It is possible to continuously adjust the static load applied to the keys 3. 、,,°, and the structure of the two arms 8 1 interlocking, the side of the household, the side, the choice of the bean φ — after the sputum, etc. 2 i. ', eight boiled, you can move all the load levers uniformly, using the top view of the key 3, indicating the load lever 21 and 3 i ^ ^5A ® ^ ^5B ® #. ^ ^ jMlJ ^, negative 21 and the mast receiving screw 85 is made into a group of separately taken out &quot;II; and He桢柃2 1 is located in the deep side. The key 3 is low because of the low Since the side is crying, the key 3 is bent in the intermediate portion 3b. Further, although not shown, the key 3 on the side of the sound is bent to the opposite side of the fifth and fifth views. The door is shown in Fig. 5A. And Figure 5B shows that even if the load lever 21 is parallel to the piano

1258729 V. INSTRUCTION DESCRIPTION (14) The key 3J is moved by the honing portion 3a, and the lever 21 can be supported by the lever receiving screw 85. This is as in the case of the first embodiment, when the contact portion is provided at the front end of the load side of the load 21, when the load lever 21 is moved in parallel with the playing side of the key 3, the contact portion 25 may be from the upper surface of the key 3. Deviation from 0 Therefore, as in the third embodiment, the load lever 21 can be moved in parallel with the key 3 playing portion 3 &amp; by the lever receiving screw "setting = piano", the load lever 21 and the key 3 can be prevented from being deep. The side portion 3c is parallel _ ready to change Ϊ 2 on the bass side of the key 3 and the treble side of the key 3, there is no need to change the lever 2 1 moving direction of the complex structure. Rod 2 heart ΐ Λ / Λ 之The load lever 21 is opposite to the load bar of the first embodiment::: the direction is opposite, that is, the 'shake side is opposite. As a result, compared with the first embodiment of the striking device 1, the Taiqi q A y A /, brother 1 You press the crying ^ The striking device 71 of the first embodiment is large between t "=3" and the load lever 21 and the key 3. The reason will be described below. The hand-grinding knife is very similar to the one shown in Figure 1. When the key is pressed, the 21 contact part 25 is turned along the arc ji 杻 幻 负 祯 邱 , , , , , , , , , , , , , , , , , , , , , , , , , , , The mouth of the key 3 of the contact portion 25 is 'positioned, and the mouth is circularly moved. Because the θ state is caught by the circle, the trajectory of the contact portion 25 and the contact portion 2 and 3 are not much different in the vicinity of the two junctions of the two arcs which are in contact with the 25-phase contact. . The rod 85 is along the arc q Π Π : : ^ 4th figure #, the lever is near the intersection of the screw and the lever is moved. Therefore, even in the case of two arcs, the screw 85 is in contact with the lever receiving screw 85.

2013-5429-PF(Nl).ptd 1258729 V. Inventive Note (15) The location of the negative 祯柃2 1 has a great difference in motion. Compared with the striking device 1 of the embodiment, the third embodiment of the striking device 7 1 is kneading under load. 】More crying left-handed q, for the friction between @ „ and the key 3 (correctly speaking, the lever is cumbersome and 85). The friction between the three is as large as the example. The static load of the load lever 2 1 or more can be increased by the work of the phase pull A and the phase cup 2 1 . Although the embodiment of the present invention has been described above, it is not limited to the above embodiment, and can be changed to Various aspects. For example, a groove may be formed in the lower surface of the load lever 2 of the second embodiment to enable the contact portion 25 to move relative to the groove, the front side direction and the deep side direction of the blink. In the configuration, the load of the load 21 can be adjusted, and the load of the key 3 can be easily adjusted. [Industrial Applicability] With the present invention, it is possible to provide a piano striking device, which is easy enough Adjust the static load applied to the front end of the playing side of the key; b enough to provide a piano with a good touch.

2013-5429-PF(Nl).ptd 1258729 BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a side view showing the striking device of the uplight piano of the first embodiment. Fig. 2 is a perspective view showing the adjacent side of the load lever of the first embodiment. Fig. 3 is a side view showing the grand piano striking device of the second embodiment. Fig. 4 is a side view showing the stringing device of the upright piano (uplight p i a η 第) of the third embodiment. In the fifth aspect, the drawing shows a plan view of the key of the third embodiment. Fig. 6 is a side view showing a conventional grand piano striking device. [Description of Symbols] 110~Keys 1 20~Communication Unit 1 3 0~Strike Unit 1 1 1~Play Side Front End 11 2~Side 1 1 5~Error 1 3 1~Batter 1 0 0~Stroke Device 7~ 1 1 - chord device 3 ~ key 5 ~ communication part 9 ~ winch steel wire 1 1 ~ winch button 1 3 ~ stop rail 1 5 ~ bracket 1 7 ~ flange 1 9 ~ rotating shaft 2 1 ~ load Lever 23 ~ wool blanket 2 5 ~ contact 27 ~ wool blanket 2 9 ~ hammer 3 1 ~ lift rail 3 2 ~ lift lever 33 ~ wool blanket

2013-5429-PF(Nl).ptd Page 20 1258729 Schematic description

3 4 ~ Shelf 3 5 ~ convex struts 37 ~ rubber cover 3 9 ~ pin 4 1 ~ L type metal parts 5 1 ~ striking device 4 7 ~ winch screw 43 ~ extension rod 45 ~ rotor 49 ~ wool blanket 7 1 - Strike device 89 ~ wool blanket 85 ~ lever receiving screw 73 - crossbar support member 7 5 ~ sliding crossbar 75a ~ upper crossbar 75b ~ lower crossbar 77 ~ flange 79 ~ arm pin 8 arm 83 ~ mounting section 8 7 to connecting shaft 3b to intermediate portion 3 c to deep portion 3a to playing portion 2013-5429-PF(Nl).ptd Page 21

Claims (1)

1258729 VI. Scope of application for patents _ ------- 1. A piano striking device 'characterized' - has a long load lever, the front t female key includes the opposite side, along with the load damage bar except The key playing side is on the piano body: it can be arranged in the long direction, and the end is fixed on the key. Re-applied to the upper surface of the key and apply the load to 2. As in the scope of the patent application, the other one, including the piano striking device with the #&gt; hall, the piano body, and in the aforementioned The load is 'two 仏, and the other two are fixed to the above-mentioned complex load lever. The upper part spans the complex load lever, and the limit _ 3 'is shaken by the μ 士 其中 0, which is more dynamic: item f In the striking device of the piano, the load lever is in the length A of the key, and the aforementioned moving mechanism is such that the aforementioned patent is applied for. First. mobile. Among them, there are more, including the piano striking device described in the item "Opening", in which the long-lifting crossbar of the load-bearing rod is arranged by lifting the load bar: 楦% hard key. _ The position of the key moves; the front crossbar can be touched; Medium, 5 more:: Please patent the 41st =:; Piano body. What is more, including the chord device of the piano described above, the basin to the lift bar, the member, the connecting member _ 2 external operation, the above-mentioned knowledge is pulled out to the outside of the piano. The other end of the connecting member, in the piano, is used in the piano, which is enough to make the ascending crossbar position of the piano of the first or second member of the patent range, 2〇13-5429-PF(Nl).ptd $ is page h. For example, Shen Biao 1258729 VI. Patent application specification, wherein the part of the aforementioned load lever that is in contact with the key is a roller that can rotate on the upper surface of the key. Composition. |_画圆 2013-5429-PF(Nl).ptd Page 23