US850366A - Pneumatically-operated musical instrument. - Google Patents

Pneumatically-operated musical instrument. Download PDF

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US850366A
US850366A US23625104A US1904236251A US850366A US 850366 A US850366 A US 850366A US 23625104 A US23625104 A US 23625104A US 1904236251 A US1904236251 A US 1904236251A US 850366 A US850366 A US 850366A
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wind
valve
bellows
trunk
key
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US23625104A
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John J Healy
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SOLOMON F HESS
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SOLOMON F HESS
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10FAUTOMATIC MUSICAL INSTRUMENTS
    • G10F1/00Automatic musical instruments
    • G10F1/02Pianofortes with keyboard

Description

PATENTED APR. 16, 1907.
J. J. HEALY. PNEUMATIGALLY OPERATED MUSICAL INSTRUMENT.
APPLIOATIOH FILED DBO. 9, 1904.
7 SHEETS-SHEET l.
Inventor.
Attor ney.
suommfoz I 61mm;
PNEUMATIOALLY OPERATED MUSICAL INSTRUMENT.
wwmeoow PATENTED APR. 16, 1907.
J. J. HEALY.
PNEUMATIOALLY OPERATED MUSICAL INSTRUMENT.
APPLICATION FILED 1350.9, 1904.
7 SHEETS-SHEET 3.
Inventor.
Attorney- @N x MQ WQN HuHNI H I I III] Witnesses.
PATENTED APR. 16, 1907.
J. J. HEALY. 'PNEUMATIGALLY OPERATED MUSICAL INSTRUMENT.
APPLIOATION FILED DBO. 9, 1904.
7 SHEETSSHEET 4.
I hvento r.
X Attorney.
itn ss esl PATENTED APR. 16, 1907.
J. J. HEALY.
PNEUMATIGALLY OPERATED MUSIOAL INSTRUMENT.
APPLICATION FILED DBO. 9 1904.
7 SHEETS-SHEET 5,
311 van to;
- PATENTED APR. 16, 1907. J. J. HEALY.
APBLIOATION FILED DEC. 9, 1904.
7 SHEETS-SHEET e.
\uhN N NW NM bk FL w... .%w @l.
I nventor.
"k Attorney 7 PNEUMATIGALLY OPERATED MUSICAL INSTRUMENT.
Witnesses.
. PATENTED APR. 16, 1907.
J. J. HBALY. PNEUMATIOALLY OPERATED MUSICAL INSTRUMENT.
APPLICATION FILED DEC. 9, 1904.
7 SHEETS--SHBET 7.
uventoz Wdmaaaeo nnrrnn srnrns Parser orrron.
JOHN anannr, or MONROE, NEW YORK, AssIeNoR or ONE-HALF To.
SOLOINION F. HESS, OF ROCHESTER, NEW YORK.
PNEUMATlCALLY-GFERATED MUSICAL lNSTi-QUNEE NT.
Specification of Letters Patent.
Patented April 16, 1907.
Application filed December 9,1904. Serial in. 236,251.
To a wlwnt'it may concern:
Be it known that I, JOHN J. HEALY, of
. Monroe, in the county of Monroe and State declare the following .to be a full, .clear, and
' pearing in a modulated exact description of the same, reference being had to the accompanying drawings,
forming a part of this specification, and to,
the reference-numerals marked thereon.
My present invention'relates to wind instruments, and particularly to that class known as automatic piano-players, which in addition to the usual piano mechanism such as the strings, keys, and dampersembody pneumaticoperating devices the move ment of which is controlled by a music-sheet traveling over a tracker-board, said sheet being provided with perforations whereby the passages in the tracker-board will be opened or closed to vent certain of the pneumatic devices and cause the operation of a particular key or keys and the sounding of their respective notes.
an improved form of pneumatic operating device by means of which the expression of a given note or set of notes may be modulated from a minimum touch to a forte effect and which will also allow a particular note apor softened passa e to be given an independent expression without affecting those notes'caused to be soundedby perforations preceding or succeeding that perforation representing the accented note.
My invention also comprehends an arrangement of valves controlling the supply of air to the motor, whereby the rerolling or rewinding of the mus'icsh eet may be accomplished easily and quickly, arranged for conjoint operation with those controlling the supply of air'to the pneumatic devices, enabling the latter to be automatically shut off during the rerolling operation. To these and other ends my invention consists in'certai'n improvements and combination of parts, all as will be fully set forth in the claims at the end of this specification.
In the drawings, Figure 1 is a cross-sectional view of a piano-breast, showing the keys, the neumatics for operating them, and thetracker-board; Fig. 2 is a similar I being omitted.
said valves being I and also to hold the view, on a reduced scale, taken on the line 2 2 of Fig. 5. Fig. 3 is a top plan view of onehalf of the piandbreast, the top of the casing Fig. 4 is a similar view in section, showing the supporting-frame located beneath the key-bed. Fig. 5 is a front elevation of the support or division-boardon which the bellows are mounted, showing portions of the wind-trunks in valves therein. Fig. 6 is a top plan view partly in section and taken on the line 6 6 of Fig. 5. Fig. 7 is alongitudinal sectional view on the line 7 7 of Fig. 5. Fig. 8 is a front elevation showing one end of the division-board with the wind-trunks and other parts removed to better illustrate its internal construction. Figs. 9 and 10 are vertical, sectional views on the lines 9 9 and 10 10 respectively, of Fig. 5. Fig. 11 is a horizontal sectional View through one of the windtrunks, showing the arrangement of the valves therein. Fig. 12 is a similar view of the valveboX 'in the motor wind-trunk.
Fig. 1 3 is a detail sectional view taken longitudinally of the valve-chest, showing its con My invention has for its object to provide nection with the wind-trunk and the means forcausing an equal distribution of the air in said chest. Fig. 14 is a detached perspective view illustrating the connection of the supplemental expression-valve with thetrackerboard and its manual controlling valve. Fig. 15 is a detail perspective view of the clamping device employed for locking in place the member comprising the wind-:chest.
Fig. 16 is a detail front elevation of the member su porting the tracker-board and primary va 'ves and the devices for securing it in the piano-casing. Fig. -17 is a view similar to Fig. 13, showing in a difierent form the connection of the wind-trunk with the valve-chest.
sec-tion and the S1m1lar reference-numerals 1n the several figures indicate similar parts.
In illustrating my invention I have shown it a plied to an upright pianoforte arranged wit 1n a casing oomprising'the sides 1,'be tween which is supported a frame 2, preferably constructed of metal and adapted to form a rest for the bed ofkeys or manuals-3 devices for operating the latter. As the remaining portions of the. piano-action maybe of the usual or any preferred form of construction, special illustration and description thereof in this instance will be unnecessary, it bein understood that the depression of a key wil cause the corresponding note to, be sounded in the usual manner. 4 The 0 crating mechanism for manipulating the eys consists of t e bellows or key neumatics 3*, arrangedeneath the keyed in-horizontal rows and vertical tiers and connected, by means of jacks 4, to theends of levers 5, the forward ends of which reject over a laterally-extending end of a rod each of the respective keys. The operation of each of the bellows is governed by a secondary valve 7, regulating the flow of air from the bellows to the wind-chest 8, from which the air is exhausted through a wind-trunk, such as 50 or 51, Fig. 5, as will be further described. valve is governed bya primary valve 10,
controlled by air ln-a wind-chest 11,'and a dipahragm 10?, covering passe e 10", 0 en .ing at the tracker board '12, an with w ich 7 ondaryvalve in the wind=chest 8 its respective secondary valve will he allowed to rest in position to normally dis nnect its key-pneuinatic or bellows 3 from the secondary windchest 8. The operation of said primary and secondary valves and passages by which they are coni'iected, respectively,- to the i'racher board and the key pneuinatics or bellows are illustrated "fully in pending application, Serial Nov 136,530, and as their construction is well understood they do not require further illustration or description to one blethose skilledin the art to readily undersimki'id the operation of the cooperating parts embodyin the features OfjfiiY invention, allot whie will be described more in detail; 4 The primary valve=chestis provided in a horizontally-extending member A, .onwhieh the tracker-board and cooperating parts are arranged centrally,- the passages connecting the primary and secondary valves leadin around the ends of the key-bed throug lii divided headers B, one "portion of" which is removable with. the primary valve; chest member: In order to facilitate the removal of the latter, I'provide clamping de's vices for securing it in place,- consisting of dogs having utwardly-extendin arms 16,
carrying set-screws 17, adapte to bear against the top of the valve-ohest member at its ends, 'as shown, in Figs. I5 and 16. The outer and of each do extends downwardly and projects through and engages in rear of a plate 18 on the side of the casing, the
Qrflni ger 6, depending from the forward end of The movement of the secondary I edgeof said plate beingengaged by the notch 19, which receives the. u ward and outward thrust when thee'erew 1 l5- setup.
Extending transversely of the piano-casing side, as shown in Fig. 2., an arrangement which permits the board to be revolved forwardly and removed when the front panel 23 of the casing is o ened, said board being normally held in p ace by the connections be-.
tween the wind-trunks and other devices supported thereon, which for convenience in assembling the parts are made readily detach able, as will be further described.-
At the rear side of vthe divisiomb'oard are arranged the two feeder or pumping bellows 24 and 24: and main bellows 2.5 and 25*, all of which are c'o rmected by an internal passage 26 in the division-board. One' half of this assage is shown in dotted lines in- Fig. 8,
cm which, it will be seen, communication is had with the main bellows through apertures- 30, which are open, while similar pals sages 31, opening into feeder-bellows, are closed by flap-valves 32, which operate alternately with the similar valves 33, arranged over openin s 34 in the; movable back boards of the fee .er-bellows. The latter are opened outwardly by springs 36 and are collapsed by the operation of pumping-pedals 37. This assage 26 constitutes a common wind-trunk irom which branches lead to the key-pneumatics, there being one branch for each gr'on into which said neumatics are divide In the present instancctwo groups are shown, one nicluding. thedeviees for operating 'thosefkeys'at the bass side of the instrument and the other group the corresponding pneumatic devices a e treble side of the iano, said gronnin i being accomplished by ividin'g thewin'lhe est Set the secondary valves transversely. "by an intermediate partition 88, as shown'in Fig. '13; In this gure I have also illustrated means for equalizmg the air-pressure throughout the length of the wind chest To accomplish this ob jeot, I arrange in thevichest adiaphragm or partition 8 provided with perforations w,- as
- ,Figs. and 11, divided horizontally by a partition 44, which contains apertures controlled by suitable valve device's governing the flow of air fron'rthe main bellows to the secondary wind-chest 8. In the present instance thetreble and bass-chambers of the secondary wind-chest are connected, respec-- tively, by trunks'50 and 51 with their corre sponding apertures 42, said chambers and trunks, the passages 41 the boxes 43 43}, and
the passage 26 constituting the whole windtrunk, the'air in the separate wind-trunks and main bellows being equalized through the passage 26.
The b0x43, forming part of the bass windtrunk, is provided with an aperture 52, the area of which may be adjusted by a set-screw 53, Fig. 11, to permitthe minimum amount of air to be exhausted, which will operate the keyneumatics to strikea note with the minimum or softest touch. This aperture may be entirely closed by a valve-head 54, which also cooperates with an aperture 55, the sides of which converge toward the end farthest away from the aperture 52, while its proximate end is located at such a point that the valve-head 54 will not begin to cover it until said head has entirely uncovered the ap erture 52. By this means the expression of any given set of notes may be modulated from forte to mezzo forte or pianissimo by moving the valve-head 54 to open and close the a erture 55. These corresponding parts are a so to be foundin the box 43 in the treble wind-trunk, and in Figs. -5 and 11 hey are shown particularly and indicated by the following reference-numerals: 52 54 and 55 Inasmuch as the general expression given to the notes in a particular passage of music is ordinarily accented alike in both the treble andbass, I connect the corresponding valve-heads 54 and 54 by a rod 57; the central section 58 of which is for convenience made removable. At one side of the instrument the connecting-rod 57 is attached to av lever 65, joined to a link 66, attached to a lever 67 on the rock-shaft 68, which is oscil lated' by a longitudinally-movable rod 69, having at its end a suitable knob'orhandle 70, located at the center of the piano, the movement of which either to the right or leftwill open or close the apertures 52 and 52 and will also graduate the size of the apertures 5555 said apertures 52 and 55 in each of the boxes being arranged relatively, so that the valve-heads 54 and 54 therein will open their respective apertures 52 52F before commencing to close the apertures 55 55.
Mounted on the forward sides of the diviof the sionboard'-2O and removable therewith is a I motordevice comprising bellows 81 and a driving-shaft 82, on which is mounted a sprocket-wheel 83, connected by any suitable form of driving connection 84 to the windingspool 15, as will be understood. The air for operating the motor is exhausted through a tube or passage 85, leading from the upper compartment of the wind-trunk box 86 above the partition 87, the chamber beneath the latter bei'ng connected to the passage 26 through an aperture 88. The partition 87 is provided with a graduated aperture 89, and cooperating therewith is a valve-head 90, to which is connected a rod 91, attached to a le* ver 92, joined by the link 93 to thelever 94 on the rock-shaft 95, to which is also connected-the'rod 96, carryin' the knob 97. By a lateral adjustment of t 1e knob 97 the valvehead may be shifted to regulate the volume of air in the motor wind-trunk and control the speed of the motor, thereby establishing .the tempo in which the musical selection or a particular portion thereof is rendered, which is determined by the speed or. rate of travel of the music-sheet overthe tracker-board as it is wound from the spool 14 onto the reel 15.
It is the desideratum to rewind the musicsheet onto the spool 14 after the completion section with a greater musical amount of speed than that at which it travels when wound onto the reel 15, and Itherefo-re provide a special aperture 99 in the partition 87 of the motor wind-trunk box 86, which whenopened will permit air to be exhausted more freely to operate the motor at a high rate of speed. The aperture 99 is normally closed by a valve-head 100. In order to pre vent the operation of the key-pn'eumatics and other devices during the rewinding operation, I provide in each of the boxes 43 43 valve-heads 10.1 101 which cooperate, re-
spectively, with the apertures 55 55 to close them, said heads being located at one side of the valve-heads 54 54 and connected by a rod 102, comprising a removable section 60,
so that when adjusted laterally in one direc tion by a movement of-the rod they will engage the valveheads 54 54 and-move the latter into their normal position, closing the apertures 52 52 The opening of the motorp-assage simultaneously with the movement of the valve-heads to close the passage in the wind-trunks of the various pneumatic devices is accomplished by connecting the valve-head 100 to the section 60 of the rod 102 by means of the arm 108 and a short rod 104,- as shown particularly in Fig. '12. The
longitudinal i movement of the connectingrod 102 is caused by the rocking movement of a pivoted lever 104, which is joined by a link 105 to an arm 106 on a rock-shaft 107, to which is attached a rod 108, having at its inner extremity a knob or handle 109.
Occasionally it is desirable to increase the force with which a particular note is sounded, so that if tine note appears in a-forte passage it may be given a double forte expression, or if the note appears in a passage required to be played softly or with a pianissimo efl'ect said note may be produced with the ordinary forte expression, and to th is end 1 provide each of tlie brancn. wind-trunks 50 51, leading to each groupof key-pneum atics, with a bypass valve which may be used separately or in conjunction with either of the valves controlling tiieapertures 52 or 55. This additional expression is obtained by controlling tire flow of air through apertures 110, located in tile partitions 14 of the windtrunk boxes --13 and 4133b the valve-beads 111, carried on arms 112, wnicii are normally held in tne closed position by springs 113. At the outer end ol' each arm is a disk 114;, against which engages a large pufl. or flexible diaphragm 1 15, said putl' or diaphragm being normally collapsed, as shown in Fig. 5, and expanded by the admission of air to its inner side tiirougn the passage 116,-leading from the tracker-board and passing through a'secondary valve 117 and a primary valve 11S- an arrangement which. permits the sir. 1, of tile passage to be proportionately increased as it leads'irom one valve to tire other and from the secondary valve to the upper side of the diaphragm, whereby the necessary volume of air is admitted lreely thereto, permitting the diaphragm to respond with alacrity .whenever tiie 116 is vented. t will also be noted ti. .t of the partition adjacent the bellows or on the liig'n-tension side, where the pressure of the air is constantly exerting a force to operate it, causing said valve to move instantaneously when its operation is required. Independent manual control of tire valve-bead 11 1 is obtained by extending a separate branch passage 1.111 from the primary valve 118 to the center of tlie frpnt rail of tire pianobrea-st, as sb. wn-infl ig. 14, wbiere it may be vented by the operation ol a small lever 120, with which engages a butt on 121, adapted to be depressed by the operators finger.
As the devices just described areidtiplicated in each of tlio wind-trunks, the foregoing descriptionwill be considered as applying to that valve controlling the admission of air to tie group of valves at thetreble sideof the instrument, and it will be understood that tlie corresponding group of notes at the bass side of the instrument may be similarly controlled by the depressing of the button 122. (Sliown in Fig. 4.)
It will be noticed that tile various valves I l. ave described control tire operation of thevarious 'pneumatics by regulating tile vol- ,ume of air exhausted from tlze secondary wind-chests 8 and that tlie primary windcliest is connected by tire pipes or windtrunks 9 independently with the passage 26,
tire putt is located on tire side so that the tension or pressure of.tlie air tlierein is unaffected. "nis is an advantage in a device of tilis cliaractcr, because the action of the primary valves is always uniform, and subsequent operation of their respective secondary valves is in no wise weakened or accelerated. by tixe reduction or increase of the pressure of air in tiie other wind-chests. Furtizer, by this arrangement, whereby the air in tineprimary wind-chest is always attenuated to a desired degree, the primary and secondary valves will always respond wl'ienever t ie former is vented at the trackerboard, wi'ile tLe operating force of the keypneumatics may be varied from the maximum to the minimum by regulatin the air in t ite secondary wind-chest to diil'erent degrees oi pressure.
The operation of the various valves will now be readily understood. Tue musicsizeet contained on the spool 14 having been connected t6 the spool or reel 1.5, the operator first sets tQe devices in a playing position by closing t e aperture 99 and opening the apertures 7 35 by moving knob or 1 andie 109 in the direction indicated by the arrow in Fig. 4. A pumping action on the feeder-bellow: 24 and 24 will then exizaust ti e air from and collapse the main bellows and It the operator now moves knob or izandle 97, he will adjust the valve iead 90, opening to a greater or less degree the aperture 89, thus regulating tire volume of air ermitted to pass to the motor 81 to control tlie speed thereof, and consequently govern the rate of travel of the music-sheet over the tracker-board, so that the time or movement of the musical selection, or any part tizereof, may 'be varied from andante to alle'gro. The apertures 55 now being opened to their fullest extent will cause all 01 the notes to be given a 'lorte expression, and if it is desired to modulate their tone the operator adjusts the knob or handle to move the valve-heads 5 1 54. over their respective apertures 5555?. This movement, it will be .seen, opens the apertures 52 52, so that if,
PBICl'lQJlCG, the valve-beads are adjusted to entirely close the larger apertures the play- I ing of the notes Will not be discontinued, but
they will continue to be sounded with the minimum touch.
VVi1en a passage is being played. softly and it' is desired to accent a particular note-- torv instance, a treble note an aperture may be provided in tile musicslieet which will open the passage 116, or the latter may be vented.
by the operator depressing the button 121.-
Tne adn'iission of air by either means Will, however, cause the successive movement of the valves 118 1 17 and the subsequent inflation of tile pull or diaphragm 115 and the opening of the aperture 110.
The rerolling of tlie music-sheet is accomplislied in tlze usual manner, the motor device rotating in but one direction, while suitable clutch devices (not shown) are employed for alternately driving the spools 14 and 15. The clutch devices then being set in engagement with the spools 14, the operator is simply required to adjust the knob or handle 109 in a direction opposite to that before described to close the apertures 52, 55, 52 and 55' and open the aperture 99, thus giving full vent to the pipe 85 and permitting the motor to operate at full speed when all the other pneumatic devices are shut off.
-A musical instrument embodying my invention is simple in construction, the parts are compact, and in case of repair they may be readi y removed from the casing, while the arrangement of the valves I have described increases the accomplishments ofthe various mechanlcal features of the instrument and permlts a manual operation of the keys to be imitated and the most difiicult technique reproduced with great accuracy. I claim as. my invention '1. Ina wind instrument, the combination with keys, key-pneumatics, a feeder-bellows and a main bellows, of a wind-trunk connect ing the latter and the key-pneumatics, controlling devices interposed therein comprising a seat having an opening and avalvehead cooperating therewith, said seat being provided with an aperture to be opened when the valve-head is'operated to close the firstmentioned'opening.
2. In a wind instrument, the combination with keys, key-pneumatics, a feeder-bellows and a main bellows, of a wind-trunk connecting the latter and the key-pneumatics, controlling devices'interpo'sed therein comprising a seat having an aperture and arelatively larger opening, a valve-head cooperating 'alternately with the aperture and opening and means for operating the head.
3.. In awind instrument, the combination with keys, key-pneumatics, a feeder-bellows and a mainbellows, of a wind-trunk connecting the latter and the key-pneumatics, controlling devices interposed therein comprising a seat having an aperture and a relatively larger opening which is graduated smaller at one end than at the other, a valve-head cooperating with said seatopenings to close them alternately, and means for operating the head.
4. In a wind instrument, the combination with keys, keypneumatics, a feeder-bellows and a main bellows, of a wind-trunk connecting the latter and the key-pneumatics, con
trolling devices interposed therein comprising a seat having an aperture, a relatively larger opening graduated smaller toward the end farthest away from the aperture and a sliding valve-head cooperating alternately with said seat-openings and means for opersting it.
5. In a wind instrument, the combination trolling devices interposed therein compriswith keys, key-pneumatics, a feeder-bellows and a main bellows, of a wind-trunk connecting the latter and the key-pneumatics, controlling devices interposed therein comprising ,a seat having two apertures therein, means for adjusting the area of one of them,
a sliding valve-head adapted to close said apertures and devices for. operating it into alternate engagement with them.
6. In a wind instrument, the combination with keys, key-pneumatics, a feeder-bellows and a main bellows, of a wind-trunk connecting the latter and the key-pneumatics, con trolling devices interposed therein comprising a seat having two apertures, one oi them of a size to permit the minimum amount of air to pass required to operate the key-pneumatics and the other of a size to permit a larger amount of air to pass to said bellows, a valve-head cooperating with said apertures and means for operating it,
7. In a wind instrument, the combination with keys, key-pneumatics, a feeder-bellows and a main bellows, of a wind-trunk connecting the latter and the key-pneumatics, controlling devices interposed therein comprising a seat having two apertures, one of them of a size to permit the minimum amount of 1 air to pass required to operate the key-pneu matics and the other of a size to permit the maximum amount of air topass .to said bellows, a valve-head cooperating with both apertures and arranged to open the minimum passage as it commences closing the maximum passage and means for operating the head.
8. In a wind instrument, the combination with keys, key-pneumatics, a feeder-bellows and a'main bellows, of a wind-trunk connecting the latter and the key-pneumatics, coning a seat having two apertures, one of them of a size to permit the minimum amount of air to pass required to operatethe key-pneumatics and the other of a size to permit a larger amount of air to pass to saidbellows,
said last-mentioned aperture being'gradw' ated smaller toward one end, a valve-head normally closing the smaller aperture and'cooperating with the larger aperture to vary the size thereof and means for operating the valve-head. v
9. In a wind instrument, the combination with keys, key pneumatics arranged 'in. groups, a feeder -bellows and a main bellows, of separate wind-trunks connecting each group of keypneumatics with the main bellows, controlling devicesinte-rposed in each wind-trunk comprising a valve-seat having a minimum and a maximum aperture and a valve-head cooperating alternately with said apertures, devices connecting said heads and means 'for operating the latter simultaneously to permit equal volumes of air to pass through the separate wind-trunks.
1o. In a wind instrument, the combination with keys, keypne1.nnatics, a bellows and a wilful-trunk comiecting the latter to the pneumatics, of a valve for controlling the passage of air in said trunk and means for operating it, a separate valve for permitting an additional supply of air to pass therethrough, a pneumatic device for operating it, a normally closed passage controlling said device and means for flushing it.
11'. In a wind instrument, the combination with keys, key-pneumatics, a "bellows and a Wind-trunk connecting the latter to the neumatics, of a valve for controlling the passage of air in said trunk and means for op erating it, a separate valve for permitting an additional supply of air to pass therethrough, a pneumatic device for operating it, a controlling-passage therefor and means for flushing the passage.
12. In a wind instrument, the combination with keys, key-pneumatics, a bellows and a windtrunk connecting the latter to the pneumatics, of a valve-seat board arranged across the trunk provided with two apertures, an adjustable valve-head cooperating with one aperture means for operating it and a second valve-head normally closing the other aperture, a pneumatic device controlling said head and means for flushing the pneumatic.
13. In a wind instrument, the combination with keys, key-pneumatics, and bellows, and a wind-trunk connecting the latter to the pneumatics, of a valve-seat board arranged across the trunk provided with an ap erture, a valvel'iead for closing the aperture and a normally collapsed pneumatic device for operating the head arranged on the bellows side of the seat-board and means for flushing said device.
14. In a wind instrument, the combina tion with keys, key-pncumatics, a bellows and a wind-trimk connecting the latter to the pneumatics of a valve-scat board arranged across the trunk provided with an aperture, a valve-head for closing the aperture and a normally collapsed pneumatic device for operating the head opening in the direction of the movement of air in the trunk and means for flushing said device 15. In a wind instrument the combination with keys. kev-pneunlatics and a bellows, a tracker-board, sheet-winding mecham'snnand a motor for operating it, of a 'wind-trunk connecting the bellows to the pneumatics, a second Wind-trunk connecting it to the motor and a valve-seat board arranged in the first wind-trunk provided with two apertures, a valve-head for alternately closing said apertures and means for operating it, a valve for opening and closing the motor wind-trunk, an auxiliary valvchcad, f r closing one of the aforementioned apertures and connected to the motor windtrunk valve and cooperating with the other valve-head to close the other aperture when the motor wind-trunk valve is opened and means for operating said valve-head.
16. In a wind instrument, the combination with keys, key-pneumatics and feeder and main bellows, of a ,wind-chest having passages leading therefrom, a plurality of valves controlling said passages, a wind trunk leading from the bellows and connected to the chest at various points.
17.1 In a wind instri'ln'ient, the combination with keys, key-pneumatics and feeder and-main bellows, of a wind-chest having passages leading therefrom, a plurality of valves controlling said passages, a windtrunk leading from the bellows and connected to the chest and a perforated partition arranged in. the chest and located between the wind-trunk entrance and the valves.
18. In a wind instrument, the combination with keys, key-pneumsitics and valves controlling the latter arranged in'groups, of a plurality of bellows, a common wind-trunk connecting them, separate wind-trunks leading from the latter to each group of valves, valves in the separate Wind-trunks and means for operating them, a normally closed by-pass valve also located in each windtrunk, and means for opening and closing said valves.
- 19. In a.,wind instrument, the combination with keys, key-pneumatics and valves controlling thcin, of bellows, a wind-trunk connecting the latter to the pneumatics, a valve controlling the passage of air in the wind-trunk, a by-pass valve for increasing said passage of air and means for operating it.
20. In a wind instrument, the combination with keys, key-pneumatics, valves controlling the latter arranged in groups and a tracker-board having passages controlling the val ves, a plurality of bellows, a common wind-trunk connecting them, of a separate branch Wind-trunk leading from the latter to each group of valves, valves in the branch Wind-trunks and normally closed by-pass valves also located therein, pneumatic devices for operating them and means for flushing'said devices controlled by a passage in the tracker-hoard.
21. In a wind instrument, the combination with keys, key-pneumatics, valves con trolling the latter arranged in groups and a tracker-bmird having passages controlling the valves, a plurality of bellows, a common wind-trunk connecting them, of a separate branch wind-trunk leading from the latter to each group of valves, valves in the branch wind-trunks and normally closed by-pass valves also located therein, pneumatic devices for operating them and a passage at the tracker-board-and anormally closed manually-operable valve in. the passage.
22. In a Wind instrument,-the combina- 3 tion with a casing,' keys therein and keyneumatics, valves controlling the latter, a
tracker-board having passages controlling" the valves and a music-sheet-Winding mechanism, of a hollow support forming a Windtrunk removably mounted in the casing, bellows arranged at one side of the su port and communicating with its interior an abranch wind-trunk leading to the pneumaticsand detachably "connected to said support, a
wind-motor mounted on the latter, driving rior, a wind-trUnkconnecting said motor and '15 box, a valve located in the latter and means foroperating it.
JOHN J. HEALY.
Witnesses:
G. WILLARD RICH, RUssELL B. GRIFFITH.
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