US1136385A - Automatic combination solo musical instrument. - Google Patents

Automatic combination solo musical instrument. Download PDF

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US1136385A
US1136385A US39254107A US1907392541A US1136385A US 1136385 A US1136385 A US 1136385A US 39254107 A US39254107 A US 39254107A US 1907392541 A US1907392541 A US 1907392541A US 1136385 A US1136385 A US 1136385A
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valve
passage
chamber
pneumatic
chambers
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Peter Welin
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10F—AUTOMATIC MUSICAL INSTRUMENTS
    • G10F1/00—Automatic musical instruments
    • G10F1/02—Pianofortes with keyboard

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  • One of the objects of the present invention is to provide a system of operation and a construction for solo playing applicable both to combination musical instruments and to separate players, in which-when such variation is desired the ordinary playing will be done under low tension or pressure, and when it is. desired to accent the notes the high tension or pressure can be connected with the operating pneumatics without a permanently divided wind-chest.
  • the striking efiect of the operating pneumatics is divided without a division of the wind-chest. This can be done according to this invention with the employment of either the single or double bellows system.
  • Another object ofrthe invention is to permit the change from one pressure or tension to the other to be made at will between means whereby it may. be,- secured; either manually, or automatically by the control of i the music-sheet as desired, for the entire.
  • FIG. 2 is a front elevation of .a portion of a combination piano showing one way in which this invention may be applied thereto.
  • Fig. 3 is a plan of parts of the same'showing a valve box, a sliding valve, and connections for operating the same and also illustrating a switch valve box and its connections.
  • Fig. 9 is a plan of the same with the slide valve removed.
  • Fig. 10 is a plan of a 'lower plate of the top of said ,valve box' 19 is a sectional view on the line 19-19 of Fig. 17'.
  • Fig. is-a sectional view showing the tempo valve and its connection with the racing valve.
  • Fig. 21 is a vertical longitudinal section of a valve box for the strik-.
  • Fig. 22 is a plan of one of the plates ofsaid valve boX showing the valves thereof.
  • Fig. 23 is a plan of another one of said plates showing the neumatics
  • Fig. 24 is a plan of another one of said plates showing the neumatics
  • FIG. 1 is a plan of a lower plate showing the connection of the channels with said pneumatics and also illustrating in section the channel board.
  • Each of the note channels 11' is connected in the ordinary waythrough passages 13 with a pneumatic 14 located in a suction. chamber 15. It is to be observed that while this invention is shown as applied to a double pneumatic operating system, it could be applied to any other system, as for example, a single pneumatic system.
  • One of these suction chambers is shown as being provided for each of the striking pneu- I -matics 16 and connected by channels 17 and 18 respectively with passages 19 and 20 which, as will be explained hereinafter, are
  • each passage 18- is connected with its suction chamber 15 through a port 21 which is normally closed by a valve 22 held down by a spring 23.
  • one or more of the channels 31 with which the instrument is provided may be connected with the atmos- 'phere to produce this result, namely,
  • each of thechannels 31 is connected with a suction chamber. 330 through'a port 340, and with the outer air through'a port 35, these ports being controlled by a double valve 3637 as is well understood.
  • a pneumatic 38 controls theposition of the double valve, and this is located in a chamber 39 which is connected by a passage 40 with one of the accenting tracker channels 12.
  • a manually operated valve 45 is employed.
  • This valve is shown as being controlled by the lever 46, the operation of which has been described in this inventors co-pending application for patent on a pneumatically controlled music playing device, filed Feb. 5, 1907, Serial No. 355,863, and the details of which are not claimed in this application.
  • the depression of this lever admits air into a plurality of passages-47, one of which is connected'with'each of the passages 41 or so as simultaneously to operate all the pneumatics 38.
  • This valve is for closing a port 53 connecting the suction chamber through a restricted bleed passage 54 with the chambers 39 and 49 which are in communication with each Now when an air impulse passes through any of the passages 40, 41 or 47, it will enter the chamber 49 and lift the pneumatic 50. As this pneumatic does not lift against any air pressure, the chamber 49 and the passage 54 being connected with the suction chamber at this time, and as the valve 37 does lift against the air pressure, and is of a heavier weight, the first action of the impulse of'air is to close the valve 51, so as to prevent bleeding of atmospheric air into the chamber 330 through the port 53 during the operation of the pneumatic 38. It will be understood that the passage 48 is not an absolute necessity.
  • the passages 40, 41 and 47 communicate with the chambers 39 and 49, in any desired way. They are shown as opening into a passage 48 communicating with them. It is preferred to conduct the air into the chamber 49' as will be explained hereinafter.
  • the slide valve 43 is employed for a purpose additional to that stated. In the position indicated inFig. 1, it covers a port 55, which communicates through a passage 5.6 with a chamber 57. This passage communicates with a'chamber 58 and through a restricted passage 59 and port 60 with a suction chamber 61.
  • the passage 56. is shown as communicating with the chamber 58 through an-" additional passage 62, which gives the same results as a direct-connection.
  • the pneumatic 63 controls avalve 65 which controls ports 66, one connecting a collapsible pneumatic 67 with the suction chamber, and the other with the outer air.
  • the pneumatic 64. supports a valve 68 preferably held down by a spring 69 which controls the port 60' and operates like the valve 51" such position as to uncover the port 55.
  • a valve 68 preferably held down by a spring 69 which controls the port 60' and operates like the valve 51" such position as to uncover the port 55.
  • the function of the pneumatic 67 when inflated is to operate an arm 70 to hold a slide valve 71 open so as to uncover a port or ports72.
  • a high air tension chamber 73 located in a governor box is communicating through a passage 74 (Fig. ,19) with a high air tension storer or reservoir, not shown in Fig. 1.
  • These ports 72 connect the chamber 73 with a chamber 75 which is connected with the chamber 61 by a passage 76.
  • the governor box is also provided with a chamber 77 which communicates directly with the chamber 75 and additionally communicates with the chamber 73 through a I passage 78 which is automatically regulated by a diaphragm operating the valve 79, the closing action of which may be regulated.
  • These chambers, as so far indicated are substantially the same as set forth in the above described joint patent of the present inmentor and Hjalmar Utterberg, but in that case the, valve 71 is not shown as operated mechanically or pneumatically as in the present nected through passages 87 by a hollow valve 870.
  • the valve 43 is moved so as to uncover the port 55, collapse the pneumatic 67, and close the ports 72. Then the only communication between the chamber 73 and the chamber 75 is through the port 78 which is controlled by the regulator diaphragm. Consequently, a lower air tension will be provided in the chamber 77 and the instrument can be operated as stated, it being understood that the port remains open during all the time during which such operation takes place, and when it is closed, there will be only one air tension and the striking blows of the pneumatic will be regulated by the pumping alone, which, however, is not the normal way of operating the instrument.
  • the chamber 81 communicates through a passage 88 with a chamber 89, and that the passage 88 is controlleclby a diaphragm 90 operating a throttle valve (not shown) in the same way that the passage 7 8 is controlled.
  • the chamber 89 communicates with the chamber 83 through a graduated opening 91 controlled by the tempo valve 92 so as to supply air to the motor under ordinary conditions so as to be controlled at will by the tempo valve.
  • the port 82 is controlled by a valve 93 which is ordinarily closed during playing, and that the ports 85 are controlled by a valve 94 on the same valve stem these valves being so located that one is closed when the other is open.
  • the valve 870 is mounted on the same valve stem and disconnects the chambers 7 3 and 80 when rewinding. Therefore, when playing with the port 55 open valves 94 and 870 open and-valve 93 closed air is exhausted from the motor .through the automatically controlled passage 88 and the graduated passage 91 controlled by the tempo valve.
  • valves 93, 94 and 870 are shifted, which shuts off the chamber 80 and passages 85 from all the sources of air tension, so as to prevent any sounding of the notes by the low air tension.
  • the valve 22 cannot be operated to connect the suction chambers 15 with the high air tension passage 20.
  • this valve is opened and the high tension is brought directly into the motor without any regulation whatever. This is done by pushing the tempo valvebeyond its range which through a valve stem 99 opens the valve 98.
  • passages have been referred to broadly as passages and it is intended'that where this has been done, the numerals applying to such passages shall designate the passages in their" entirety even when composed in part of one of these elements, and in part of others.
  • the slidevalve 48 is mounted on a valve box 100 located adjacent to a tracker-box 101 which is shown as of the general form indicated in this applicants above mentioned application and will not be described herein in detail. It of course contains the tracker 10 and tubes connecting and forming part of the passages 13 and 40. .It alsois provided with a scale 110 which moves the pointer 111 connected with the of chambers 123 and 124 with each other or' disconnect them, according to the position of this slide valve. These channels 123 are connected with tubes 125 which form a part of the passages 40. The chambers 123 and 124 constitute a part of the passages 40.
  • this slide valve is operated by means of the handle 120 so as to close the passages 40.
  • the lever 46, valve 45, and passage 47 have been. referred to before.
  • the passages 47 six in number in the form shown, all terminate in ports 127 which are closed by the valve 45 which is normally held up by a spring 129.
  • These elements are mounted in a valve-box 130 and operated as has been stated and as is more particularly set forth in my above identified application.
  • valve box 100 and the operation of the sliding valve 43 will now be described.
  • the valve box is provided with a port or slot 55 and a plurality of ports 42, these being located in the topplate 131 of the valve box on which the valve slides.
  • This valve instead of having the complications set forth inmy above identified application, is preferably made solid and of aluminum or other suitable material.
  • the notch 44 with which it is provided is the only irregularity in its surface.
  • the slot 55 and the ports 42 are so located that the valve can cover them in such position that the notch 44 will not open any of the ports 42 as is indicated in Fig. 8.
  • the valve For ordinary playing the valve is moved sufliciently to the left in Fig. 8' to uncover the end of the slot 55 so as to throw the instrument on to the low air tension passage. This is the position for what is termed normal playing, and in this position the exhaust chambers 15 are connected with the low air tension passage 19. While playing in this way if it 1s desired to accent any section of actions, the valve is shifted so that the notch 44 will uncover one or more of the ports 42, the port 55 remaining open.
  • valve box 100 is constructed as follows: Belowthe top plate constituting continuations of said passages are. all located near one side of the plate and open into a block 135 through which they continue downward into a plate 136.
  • the upper-three plates above described are sup ported at a distance from the plate 136 by posts 137, and the space constitutes an outlet to the open air from a chamber below as will be described.
  • This plate 136 in addition to the channels which have been followed down to this point, contains a number of sets of ports 35 which have been referred to heretofore, equal to this numberof ports 42.
  • a plate 138 containing, as before, continuations of the passages 56 and 41, and also containing-aseries of channels 139 located between the several ports 340 and 35. This plate also contains channels constituting part of the passages 31 opening from the several chambers 139.
  • the next plate 140 contains continuationsof all the above mentioned channels, and below it a plate 141is provided in which is located the vacuum chamber 330. This plate, of
  • valve box terminates in abottom I tend to the channel-board 154, extending through the same Without communicating with the interior thereof, and-terminating under the pneumatics 14; as has been set forth. This is indicated in Fig. 24.
  • tubes constituting part of the channels 31 also extend into this channel-board and there each one communicates rality of channels 32.
  • the channel board is made up of a plurality of plates.
  • the outside plate 155 has with a plupassages for the tubes as above described,
  • next plate 156 is spaced from the plate 155 by blocks 157 forming channels constituting continuations of the. passages 31 communicating in the plate 156 with passages 32.
  • the next plate 158 is spaced from the plate 156 by blocks through said plate 158.
  • Fig. 6 a tube constituting part of a passage 56 extending into a valve box 170.
  • This valve box is mounted on the top of the governor box which has been mentioned, and it is thought that it has been sufliciently described above. It is shown as comprising three plates, but may be made in desired way.
  • a spring 171 is applied to the lever 70 to assist in opening the pneumatic 67 and the valves 71.
  • the striking valve box shown in Figs. 21, 22, 23 and 24 has been sufiiciently described in connectionwith the description of Fig. 1, and it is thought'unnecessary to go into the details of the construction of the same, as it is the general combination which it is de sired to claim herein.
  • One of these valve boxes is provided for each striking pneumatic, and they are attached to the channelboardas is indicated in the first of the above mentioned figures.
  • Each one is preferably made up of a series of plates in a manner which is well-known, and which will need no description.
  • the channel 26 which has been referred to above and which is not shown in my above mentioned application, is shown in these figures as consisting of a series of passages through the different plates of the valve box.
  • the arrangement of the valves is shown in the same way as in the diagrammatic View; that is, the valve 28 and its pneumatic 27 are located between the valves 22 and 24:, but this arrangement may be varied as may be found convenient.
  • a music playing action having a plurality of striking pneumatics, a chamber for each of said pneumatics, a passage for high air tensions or pressures, a passage for low air tensions or pressures, yielding means in the action for normally connecting the last named passage with said chambers, and means in the action for cutting oif a plurality of said chambers from the low air tension passage and simultaneously connecting them with the high air tension passage.
  • a music playing action having a plurality of striking pneumatics, a chamber for each of said pneumati'cs, a passage for high air tensions or pressures, a passage for low air tensions or pressures adapted to be connected with said chambers for operating said pneumatics, means in the action for cut-,
  • a slide valve controlling said means for cutting off a plurality of said chambers from the low air tension passage in succession as the valve moves in one direction, and simultaneously connecting them with the high air tension passage.
  • a music playing device the combination with a plurality of striking pneumatics and a chamber for each of said pneumatics, of a'channel board having a passage for high air tensions or pressures and a passage for low air tensions or pressures adapted to be connected with said chambers for operating said pneumatics, manually controlled pneumatic means in the action for cutting oil all of said chambers from the low air tension passage, a manually operated valve controlling said means for cutting off a plurality of chambers from the low air tension passage and connecting them with the high air tension passage, and a gov.- ernor connected with the low air tension, passage, whereby the governor will be ineffective during accenting.
  • a music playing device the combination with an action comprising a plurality of striking pneumatics, a chamber for each of said pneumatics, a passage for high air tensions or pressures, and a passage for low air tensions or pressures adapted to be connected with said chambers for operating said pneumatics, of a manually controlled slide valve for cutting ofi'- all said chambers from the low air tension passage one after the other, as the valve moves in one direction and simultaneously connecting them with the high air tension passage, and a valve box comprising means constituting part of the action for cutting ofi'- a section or sections'of: chambers from the low air tension passage and connecting them with the high air ten-- sion passage controlled from the tracker.
  • a music playing device the combination with a tracker, of an action comprising a plurality of striking pneumatics, a chamber for each of said pneumatics, a passage a plurality of sections of chambers from the low air tension passage and connecting them with the high air tension passage, and a valve boxconstituting part of the action for cutting ofi a section or sections of chambers from the low air tension passage and connecting them with the high air tension passage and for controlling said low air tension passage.
  • a music. playing device the combination with a plurality of striking pneumatics and a chamber for each of said pneumatics,. of a passage for high air tens ons or pressures, a passage for low air tensions or pressures normally connected with sa1d chambers for operating sa1d pneumatics, a plurality of means for cutting off the "chambers from the low air tension passage and connecting them with the high air tension passage, and a valve box provided with a passage and connections for controlling said low air'tension passage and with a plurality of passages, each for controlling one of said means for cutting suction chambers oil from the low air tension passage.
  • a music playing device the combination with a striking pnuematic and a chamber, of a passage for high air tensions or pressures, a passage for low air tensions or pressures connected with said chamber for operating said pneumatic, means for cutting off the chamber from the low air tension passage and connecting it with the high air tens1on passage, and a valve box having a port and connections for controlling said low air tension passage, and a port for controlling said means for cutting ofl the suction chamber from the low air tension passage.
  • a music playing device the combination with a striking pneumatic and a cham ber, of a passage for high air tensions or pressures, a passage for low air tensions or pressures connected with said chamber for operating said pneumatic, means for cutting off the chamber from the low air tension passage'and connecting it with the high air tension passage, a valve box having a nor mally open port and connections for controllow air tension passage, and a valve adapted to cover both of said ports when moved to a certain position and to uncover the first port whenever it uncovers the second port.
  • the combi-v nation with a plurality of striking pneumatics and a chamber connected with each of said pneumatics, of a passage for high air tensions or pressures, a passage for low air tensions or pressures connected with said chambers for operating said pneumatics, means for cutting off the chambers from the low air tension passage and connecting them with the high air tension passage, a valve box having a surface provided with a port and connections for supplying said low air tension passage with a low air tension when 'said port is open, and with a plurality of ports, a' plurality of passages, each connected with one of said plurality of ports for controlling said means for cutting a suction chamber off from the low air tension passage, and a valveadapted to cover all of said'ports and having a notch for opening one or more of said plurality of ports, said notch being so located that whenever any of the saidfplurality of ports is open, the first named'port will also be open.
  • the combi- 7 port is open, said suction chamber being connected with the low air tension passage, said box having a second port, means for connecting the suction chamber with the high a r tension passage when said second ort is open, and a valve for said ports, sal valve being arranged to uncover the first of said ports before it uncovers the second and to keep it uncovered whenever said second port is open.
  • a "music playing device the combination with the striking pneumatics, chamhens connected therewith for operating them, a low air tension passage, a high air tension passage, a valve for controlling the connectionof each of said chambers with said passages, a valve box having a series of ports and passages for controlling said valves and a port having connectionsfor preventing the admission of high air tension or pressure to said low air tension passage, and a valve for controlling said ports,
  • a music playing device the combination with the striking pneumatics, suction chambers connected therewith for operating them, a low air tension passage, a igh air tension passage, a valve for controlling the connection of each of said chambers with said passages, a valve box having a series of ports and passages for .controlling said valves, and a port having connections for preventing the admission of high air tension to said low air tension passage, and a valve for controlling said ports, said valve having means for opening certain of said serles of ports when moved to a certain position and being so locatedas to always open the last named port when any one of saidseries of ports is opened.
  • a"valve box having a channel therein terminating in a port, a series of channels therein terminating in a corresponding series of ports, a ,valve for covering said ports, said/valve having a notch for opening one or more of said series of ports, said notch being so located with respect to theend of the valve that the first named port will be opened before.
  • said notch opens any of said series of .ports, and will continue open during all the time when any of said series.of ports are open, means connected with the series of ports for controlling the supply of the several striking pneumatics with high air tension, and means controlled. from the first named port and channel for the supply of the striking pneumatics with low air tension.
  • a striking pneumatic a valve box with which said pneumatic is connected, said valve box having a suction chamber, a high air tension passage, a low air tension passage, channels connecting said suction chamber with both of said passages, a valve for controlling said channels, a spring for holding said valve in position to close the channel connected with the high air tension passage, a pneumatic for changing the position of said valve to open the channel connected with the high air tension passage and close the channel connected with the low air tension passage,-a valve box having a channel provided'with connections for controlling said low air tension passage to maintain a low air tension therein and (hannels having connections for operating said pneumatics when the channels are open, and a valve for controlling said channels.
  • a music playing device the combination of striking pneumatics, suction chainbers therefor, a high air tension passage, a low a1r tension passage, channels connecting each of said suction chambers with both of said passages, valves for controlling said channels, springs for holding said valves in position to close the channels connected with the high air tension passage, pneumatics for changing the position of said valves to openv the channels connected with the high air tension passage and close the channels connected with the low air tension, passage, a channel provided with connections for controlling said low air tension passage to maintain a low air tension therein, a series of channels arranged in order having connections for operating said pneumatics when said channels are open, and a valve forcontrolling the last named channels, said valve having means whereby the first of said channels is always open when any one ormore of the series of channels is-opened by the valve, whereby the opening of the first mentioned channel will connect the suction chambers with the low air tension passage,
  • any of the series ofv channels will connect one or more of the suction chambers with the high air tension 17.
  • a striking pneumatic a suction chamber therefor, a high air. tension passage, a low air tension passage, channels connecting said suction chamber. with both of said passages, a valve for controlling said channels, means for holding said valve in position'to'close the channel connected with the high air tension passage, a pneumatic for changing the position of said valve to open the channel'connected with the high air tension passage and close the channel connected wlth the low air tension passage,
  • a channel provided with connections for controlling sa d low air tension passage to malntaln a low air tension therein, a channel having connections for operating the sage,'a low air tension passage, both leading directly to the suction chamber, means for connecting said suction chamber with said passages, a passage having connections controlled thereby for supplying said low air tension passage with a low air tension when said passage is open, and when closed for connecting said low air tension passage directly with the high air tension passage.
  • a music playing device the combination with a tracker, a plurality of striking pneumatics and 'a chamber connected with each of said pneumatics, of a passage for high air tensions or pressures, a passage for low air tensions or pressures adapted to be connected with said chambers for operating said pneumatics, manually controlled pneumatic means comprising valves in said chambers for cutting ofiall of said chambers from the low air tension passage and connecting them with the high air tension passage, automatically operated pneumatic means operating upon said valves for cutting off a section or sections of chambers from the low air tension passage and, connecting them with a high air tension passage controlled from the tracker, and means for cutting off the connection of the tracker with said pneumatic means.
  • a music playing device the combination with a tracker, a plurality of striking pneumatics and a chamber connected with for each of said pneumatics, of a passage for high air tensions or pressures, an independent passage for low air tensions or pressures normally connected with said chambers for operating said pneumatics, means for cutting off the chambers from the low air tension passage and I connecting them with the high air tension passage, said means comprising a valve in each chamber a manually operated controlling device and an automatically operated controlling device controlled from the tracker for operating the valves, and manually operated means for cutting oif the connection of the tracker with said automatic controlling device.
  • a music playing device the combination with a striking pneumatic, avsuction chamber therefor, two passages having different air tensions, each connected with said suction chamber, 'avalve for controlling the connection of said passages with the suction chamber, a pneumatic for operating said valve, a passage connected w1th said pneumatic for operating it, a valve for controlling the last named passage, a pneumatic tion chamber with which the latter pneumatic is connected, a passage for-controlling the operation of said last named pneumatic,
  • a music playing device the combination with striking pneumatics, of an accenting device adapted to control a plurality of said striking pneumatics, a governor box having a chamber for high air tensions and a chamber for low air tensions, a valve for preventing direct connection between said chambers, 'means' for operating said valve in the governor box, a pneumatic, a passage for admitting air under said pneufor operating the last named valve, a sucmatic to operate the same, a suction chamber with which said pneumatic is connected adapted' to communicate with one of the chambers in said governor box, a second.
  • a music playing device the combi-' nation with a striking pneumatic, of an accenting device therefor, a governor box having a chamber for high air tensions and a chamber for low air tensions, a valve for preventing direct connection between said chambers, means for operatlng said valve in the governor box, a pneumatic, a passage for admitting air under sald pneumatic to operate the same, a suction chamber with.
  • said pneumatic is connected adapted to communicate with one of the chambers in said governor box, a second pneumatic in said suction chamber, a valve supported by v the second pneumatic a restricted passage adapted to be controlled by said valve and extending from the suction chamber into communication with the other side of both of said pneumatics, said second pneumatic being adapted to oprate under lighter pressure than the first pneumatic, whereby said valve will be closed before the first pneumatic operates and the suction chamber will .be cut off from communication with the vas other side of saidpneumatics before the first .pneumatic operates.
  • I 26. In a music playing device, the combination. of a governor box having a low air tension chamber and a high air tension chamber, a valve for controlling direct communication between said chambers, a suction chamber, a channel adapted to open I suction chamber before said to the air,-a pneumatic connected with said channel and communicating with said suction chamber connections for controlling the operation of said valve, and means for closing connection between said channel and pneumatic operates.
  • a main chamber connected with a source of air tension or pressure, a low ten: sion chamber, a passage connecting said chambers, means for cutting down the air tension or pressure in said passage, a direct connection between said chambers, a valve for controlling said direct connection, means for operating said valve, a third chamber, means for providing a direct connection between the first chamber and' the third chamber when desired, a high air tension passage connected with the third chamber, a low air tension passage connected with the second chamber, striking pneumatics, and means Lil-36,385
  • a fourth chamber a direct and constantly open connection between the first chamber and the fourth chamber, and means for connecting the fourth chamber with the motor for operating the same.
  • a main chamber connected with a source of air tension or pressure
  • a second chamber connected through a regulated passage with the first chamber
  • a third chamber connected with the first chamber
  • a valve adapted to open and close the connection between the first and third chambers
  • a motor chamber for direct connectioniwith a motor
  • a valve for opening a direct connection from the first chamber to the motor chamber
  • a passage connected with the second chamber a passage connected with the third chamber
  • striking pneumatics adapted to be connected with either of said passages so as to operate under high or low tension
  • a valve for controlling the connection of the second chamher with said passage connected therewith, and means for moving said three valves simultaneously so as to close the connection between the first and third chambers and between the second chamber and its passage
  • a music playing device the combinatlon of a chamber connected with a source of air tension or pressure, a motor chamber adapted to be connected with the first chamber, a tempo valve for controlling the flow of air between the motor chamber and the first named chamber, a racing valve adapted to open a" free connection between the said chambers while the instrument isbeing played, and means connected with the tempo valve for opening said racing valve when the tempo valve moves in a position to accelerate the motor in the forward direction to the maximum extent during playing.

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Description

P. WEl;|N,.
AUTOMATIC COMBINATION SOLO MUSICAL INSTRUMENT. 1,136,385.
APPL'ICATION FlLED SEPT. l2, I907.
. Patented Apr; 20, 1915.
8 SHEETS-SHEET 2 I z F- II l P. WELIN.
I AUTOMATIC COMBINATION SOLO MUSICAL INSTRUMENT.
APPLICATIQN FILED SEPT-12, 1907 Patented Apr. 20, 1915.
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P. WELIN.
AUTOMATIC COMBINATION SOLO MUSICAL INSTRUMENT.
v I APPLICATION FILED SEPT- 12, I907- 1,136,385. Patented Apr. 20, 1915,
8 SHEETS-SHEET 4.
III III f 6'7 Jh /ezalqa: Int/wa es,- film" EfiZl/b P. WELIN. I AUTOMATIC COMBINATION SOLO MUSICAL INSTRUMENT;
APPLICATION FILED SEPT.I2, 1907- I 1 13 3 5 Patented Apr. 20, 1915.
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-P. WELIN.
AUTOMATIC COMBINATION SOLO MUSICAL INSTRUMENT. I
' I APPLICATION FILED SEPT. I2, 1907. 1,136,385, v Patented Apr. 20, 1915.
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, P. WEIIN. AUTOMATIC COMBINATION SOLO MUSICAL INSTRUMENT.
APPLICATION FILED SEPT. 12, I907- 1,136,385. Pat nted Apr. 20, 1915.
8 SHEETS-SHEET 7.
P. WELIN. AUTOMATIC COMBINATION SOLO MUSICAL INSTRUMENT.
APPLICATION FILED SEPT- 12. I907. 1,136,385, I Patented Apr. 20, 1915.
8 8HEETS-SHBET 8.
% Y i w T M a 160 7 I I 20 1159" Q4 26' 77 J3 4 19 I W129 7 5; /I\ 13 UNITED STATES iigrnn'r OFFICE.
PETER WEI-IN, 0F WORCESTER, MASSACHUSETTS, ASSIGNOB, BY MESNE ASSIGNMENTS,
- TO LAWRENCE MAXWELL, OF CINCINNATI, OHIO.
AUTOMATIC COMBINATION SOLO MUSICAL INSTRUMENT.
Application filed september lii, 1907. Serial No. 392,541.
To all whom it may concern:
Be it known that I, Pn'rnn WVELIN, a citizen of the United States, residing at \Vorcester, in the county of Worcester and- State of Massachusetts, have invented a new and useful Automatic Combination Solo Musical Instrument, of which the following is a specification.
In order to operate pneumatically controlled musical instruments under either high or low air tensions as desired, two systems have been proposed heretofore, namely,
the double bellows system as exemplified in v a United States Patent 701,535 granted on the 3rd day of June, 1902, jointly to Theodore P. Brown, and the present inventor, and the single bellows system in which the wind-chest'is pneumatically divided either into treble and bass sections, or into a greater number of sections. In the single bellows system it was necessary to operate the pedals with suflicient force to secure the loudest playing effects desired, even when all the notes of one or several sections were modulated, as a high tension had to be produced and then cut down for modulation, and it was impossible to locate the point of change from loud playing to low except at the points provided permanently in the construction of the instrument.
One of the objects of the present invention is to provide a system of operation and a construction for solo playing applicable both to combination musical instruments and to separate players, in which-when such variation is desired the ordinary playing will be done under low tension or pressure, and when it is. desired to accent the notes the high tension or pressure can be connected with the operating pneumatics without a permanently divided wind-chest. In other words, the striking efiect of the operating pneumatics is divided without a division of the wind-chest. This can be done according to this invention with the employment of either the single or double bellows system.
Another object ofrthe invention is to permit the change from one pressure or tension to the other to be made at will between means whereby it may. be,- secured; either manually, or automatically by the control of i the music-sheet as desired, for the entire.
Specification of Letters Patent. Patented Apr. 20, I915.
range or for certainsections (asfor ex:
ample, octaves, thirds, etc.) thereof, and the provision of connections so arranged that if a music sheet 1s used not wide enough to cover the extra tracker channels which mustbe provided in the latter case, they may 7 very easily be rendered inoperative to produce any result. v All these objects preferably are attained by such means that they may be thrown er al of the elements thereof, in connection; with which are certain improvements in the valve box for the striking pneumatics, other improvements in an invention made jointly by Hjalmar Utterberg and the present inventor and set forth in their jointpatent on a regulating mechanism for automatic musical instruments, No. 999,281, patented Aug. 1, 1911, as well as in certain other features. This invention also comprises means for allowing the motor to race during the playing, this being desired in the performance of certain musical compositions.
Reference is to be had to the accompanying drawings which illustrate a preferred embodiment of the invention as applied to a combination player piano, in which- F igurevl is a diagrammatic view showing the main part of the pneumatic action. Fig. 2 is a front elevation of .a portion of a combination piano showing one way in which this invention may be applied thereto. Fig. 3 is a plan of parts of the same'showing a valve box, a sliding valve, and connections for operating the same and also illustrating a switch valve box and its connections. Fig.
4 is a plan of the switch valve box- Fig. 5 is a sectionalj'view of the same on the line 5 5 of Fig. 4.; ,Fi 6 is a longitudinal "vet- Y tical section of the valve box above r'eferred -v to and, of a portion of-the governor box with; avalve =bfox t ;l1 e1'*eini'showing the connections of saidpartsgjFi 7 isa transverse -sectional viewof the va vebox through-Tone .efh v l es- Fig- .8 .is a plan of; the I mpplate of said valve box showing the slide valve. Fig. 9 is a plan of the same with the slide valve removed. Fig. 10 is a plan of a 'lower plate of the top of said ,valve box' 19 is a sectional view on the line 19-19 of Fig. 17'. Fig. is-a sectional view showing the tempo valve and its connection with the racing valve. Fig. 21 is a vertical longitudinal section of a valve box for the strik-.
ing pneumatic, and a part of thechannel board. Fig. 22is a plan of one of the plates ofsaid valve boX showing the valves thereof.
Fig. 23 is a plan of another one of said plates showing the neumatics, and Fig. 24
is a plan of a lower plate showing the connection of the channels with said pneumatics and also illustrating in section the channel board.
While the invention is applicable to separate players for musical instruments it is ination pianos. For a general ldea of the 1n perhaps more especially valuable in'the comasto bring their front walls slightly inadv'ance of those of the note channels, so' that when a perforationin the music sheet,'regi's. tering with one'of these accenting channels;
' and in alinement with the note perforation or perforationswhich it is to control, comes i into position to open it, theaccenting arrangement will be set before the notes are struck.
' Each of the note channels 11' is connected in the ordinary waythrough passages 13 with a pneumatic 14 located in a suction. chamber 15. It is to be observed that while this invention is shown as applied to a double pneumatic operating system, it could be applied to any other system, as for example, a single pneumatic system. One of these suction chambers is shown as being provided for each of the striking pneu- I -matics 16 and connected by channels 17 and 18 respectively with passages 19 and 20 which, as will be explained hereinafter, are
connected with the low and high air'tension" tion refer-- ence isto be had more especiallyi ftofFiggtl; In this figure the tracker-bar l0 isiprovided with the ordinarynote channels lland with additional channels 12 which-jwill hereafter be referred to as the accentingi channels} These channels 12 are shown as located at. the ends of the tracker, but may bej otherw. wise located as desired, andare of such size chambers or chests respectively. Each passage 18-is connected with its suction chamber 15 through a port 21 which is normally closed by a valve 22 held down by a spring 23. Now when an air impulse passes through the passage 13 to liftthe pneumatic 14 it .raisesa double valve 24-25 and cuts off a channel 26 from connection with the suction chamber, admitting the outer air to it. This lifts a secondary pneumatic 27 in a well understood manner so as to move a valve 28 to close an outlet port 29 and open a port 30 so'as. to allow the interior of the striking pneumatic 16 to communicate directly with the suction chamber 15, and cause the striking operation to take place influenced by the light air tension in the passage 19. This arrangement of primary and secondary valves and neumatics is, of course, well understoodin this art, and is merely shown here for the purpose of illustration as the invention may be used with any form of mechanism for accomplishing said results. Now when it is desired to accent a note or series of notes, air is admitted ber 15 with the passage 19 and connect it with the passage 20. This produces high air tension in the suction chambers 15 which are in the series 'to be accented. which are connected with the particular passage 31 which has been opened. 7
According to this invention there are several waysin which one or more of the channels 31 with which the instrument is provided, may be connected with the atmos- 'phere to produce this result, namely,
through the automatic control by the music sheet-through the accenting channels 12, by a manually controlled slide valve controlling sections of the instrument, and by another manually controlled means which being connected with all the channels 31 operates simultaneously all the notes of the instrument. r f
In order to secure control by sections, each of thechannels 31 is connected with a suction chamber. 330 through'a port 340, and with the outer air through'a port 35, these ports being controlled by a double valve 3637 as is well understood. A pneumatic 38 controls theposition of the double valve, and this is located in a chamber 39 which is connected by a passage 40 with one of the accenting tracker channels 12. Each chamber 39. .is also connected through a channel 41 with an opening 42 which open ings are controlled by a slide valve 43 operated manually as will'be described hereininstrument is divided into'six sections, there will be siX of these channels or pasasges, and each accenting channel 12 of the trackerbar will control one of the sections of actions. Y I
\Vhen it is desired to connect the parts so that the. entire instrument is operated under heavy air tensions, a manually operated valve 45 is employed. This valve is shown as being controlled by the lever 46, the operation of which has been described in this inventors co-pending application for patent on a pneumatically controlled music playing device, filed Feb. 5, 1907, Serial No. 355,863, and the details of which are not claimed in this application. The depression of this lever, as has been described in my above identified application, admits air into a plurality of passages-47, one of which is connected'with'each of the passages 41 or so as simultaneously to operate all the pneumatics 38.
Referring back to the suction chamber 330, it will be seen that instead of the usual primary and secondary valve employed for preventing the connection of the suction chamber with the outer air for any considerable length of time, I have provided means for preventing such a connection, and for permitting the use of the device without any secondary valve. With the chamber 39, or preferably with the passages 40 and 41 is. connected a passage 48 which extends into achamber 49 over which is a pneumatic 50 provided with a valve 51 normally held down by a spring 52 if desired. I This valve is for closing a port 53 connecting the suction chamber through a restricted bleed passage 54 with the chambers 39 and 49 which are in communication with each Now when an air impulse passes through any of the passages 40, 41 or 47, it will enter the chamber 49 and lift the pneumatic 50. As this pneumatic does not lift against any air pressure, the chamber 49 and the passage 54 being connected with the suction chamber at this time, and as the valve 37 does lift against the air pressure, and is of a heavier weight, the first action of the impulse of'air is to close the valve 51, so as to prevent bleeding of atmospheric air into the chamber 330 through the port 53 during the operation of the pneumatic 38. It will be understood that the passage 48 is not an absolute necessity. The passages 40, 41 and 47 communicate with the chambers 39 and 49, in any desired way. They are shown as opening into a passage 48 communicating with them. It is preferred to conduct the air into the chamber 49' as will be explained hereinafter.
through the separate passage 48 so that there will be no force to operate the pneu--- matic 38 before the pneumatic 50 rises.
The slide valve 43 is employed for a purpose additional to that stated. In the position indicated inFig. 1, it covers a port 55, which communicates through a passage 5.6 with a chamber 57. This passage communicates with a'chamber 58 and through a restricted passage 59 and port 60 with a suction chamber 61. The passage 56. is shown as communicating with the chamber 58 through an-" additional passage 62, which gives the same results as a direct-connection. In the chambers 57 and 58 are pneumatics- 63 and 64. The pneumatic 63 controls avalve 65 which controls ports 66, one connecting a collapsible pneumatic 67 with the suction chamber, and the other with the outer air. The operation of this pneu matic and valve will be obvious; The pneumatic 64. supports a valve 68 preferably held down by a spring 69 which controls the port 60' and operates like the valve 51" such position as to uncover the port 55. In I the position in which this valve is shown in Fig. 1','this port is closed, and the passages 19 and 20 are both under high tension In this case the function of the pneumatic 67 when inflated is to operate an arm 70 to hold a slide valve 71 open so as to uncover a port or ports72. A high air tension chamber 73 located in a governor box is communicating through a passage 74 (Fig. ,19) with a high air tension storer or reservoir, not shown in Fig. 1. These ports 72 connect the chamber 73 with a chamber 75 which is connected with the chamber 61 by a passage 76. The governor box is also provided with a chamber 77 which communicates directly with the chamber 75 and additionally communicates with the chamber 73 through a I passage 78 which is automatically regulated by a diaphragm operating the valve 79, the closing action of which may be regulated. These chambers, as so far indicated are substantially the same as set forth in the above described joint patent of the present inmentor and Hjalmar Utterberg, but in that case the, valve 71 is not shown as operated mechanically or pneumatically as in the present nected through passages 87 by a hollow valve 870.
Now when it is desired to operate the instrument asabove described, the valve 43 is moved so as to uncover the port 55, collapse the pneumatic 67, and close the ports 72. Then the only communication between the chamber 73 and the chamber 75 is through the port 78 which is controlled by the regulator diaphragm. Consequently, a lower air tension will be provided in the chamber 77 and the instrument can be operated as stated, it being understood that the port remains open during all the time during which such operation takes place, and when it is closed, there will be only one air tension and the striking blows of the pneumatic will be regulated by the pumping alone, which, however, is not the normal way of operating the instrument.
In further explanation of Fig. 1, it may be stated that the chamber 81 communicates through a passage 88 with a chamber 89, and that the passage 88 is controlleclby a diaphragm 90 operating a throttle valve (not shown) in the same way that the passage 7 8 is controlled. The chamber 89 communicates with the chamber 83 through a graduated opening 91 controlled by the tempo valve 92 so as to supply air to the motor under ordinary conditions so as to be controlled at will by the tempo valve.
It will be noticed that the port 82 is controlled by a valve 93 which is ordinarily closed during playing, and that the ports 85 are controlled by a valve 94 on the same valve stem these valves being so located that one is closed when the other is open. Also the valve 870 is mounted on the same valve stem and disconnects the chambers 7 3 and 80 when rewinding. Therefore, when playing with the port 55 open valves 94 and 870 open and-valve 93 closed air is exhausted from the motor .through the automatically controlled passage 88 and the graduated passage 91 controlled by the tempo valve. Now when is is desired to reroll the sheet, the valves 93, 94 and 870 are shifted, which shuts off the chamber 80 and passages 85 from all the sources of air tension, so as to prevent any sounding of the notes by the low air tension. As the chamber 830 is connected with the chamber 80 through apassage 96, the former also becomesdead at this time and the valve 22 cannot be operated to connect the suction chambers 15 with the high air tension passage 20. There is always free connection between the chambers 73 and 81 to operate the motor. It will be,seen that there is another port 97 from the chamber 81 to the chamber 83', normally closed by a valve 98. Now when it is desired to cause the motor to race during playing, as has been found of advantage in the rendering of certain musical compositions, this valve is opened and the high tension is brought directly into the motor without any regulation whatever. This is done by pushing the tempo valvebeyond its range which through a valve stem 99 opens the valve 98.
It will be observed that the features just described relate in part to the above described joint patent of this inventor and Hjalmar Utterberg, but contain certain improvements over. the same.
In several instances in the above description of Fig. 1, channels, chambers, tubes,
etc., have been referred to broadly as passages and it is intended'that where this has been done, the numerals applying to such passages shall designate the passages in their" entirety even when composed in part of one of these elements, and in part of others. In
the detailed description of the drawings hereinafter given, such passages will again be referred toin some cases and their component parts numbered.
Reference isto be had to the other figures of the drawing for a more detailed disclosure of a simple construction embodying the features of the invention set forth broadly above including some additional features not shown in ,Fig. 1.
Referring especially to Figs. 2 and 3, it will be seen that the slidevalve 48 is mounted on a valve box 100 located adjacent to a tracker-box 101 which is shown as of the general form indicated in this applicants above mentioned application and will not be described herein in detail. It of course contains the tracker 10 and tubes connecting and forming part of the passages 13 and 40. .It alsois provided with a scale 110 which moves the pointer 111 connected with the of chambers 123 and 124 with each other or' disconnect them, according to the position of this slide valve. These channels 123 are connected with tubes 125 which form a part of the passages 40. The chambers 123 and 124 constitute a part of the passages 40.
nels 12, that is, paper not especially prepared for such'a tracker, this slide valve is operated by means of the handle 120 so as to close the passages 40. This feature is shown and claimed in my aboveindentified application and consequently is illustrated herein only to show its connection with the rest of the apparatus.
The lever 46, valve 45, and passage 47 have been. referred to before. The passages 47 six in number in the form shown, all terminate in ports 127 which are closed by the valve 45 which is normally held up by a spring 129. These elements are mounted in a valve-box 130 and operated as has been stated and as is more particularly set forth in my above identified application.
The valve box 100 and the operation of the sliding valve 43 will now be described. As has been stated, the valve box is provided with a port or slot 55 and a plurality of ports 42, these being located in the topplate 131 of the valve box on which the valve slides. This valve instead of having the complications set forth inmy above identified application, is preferably made solid and of aluminum or other suitable material. The notch 44 with which it is provided is the only irregularity in its surface. The slot 55 and the ports 42 are so located that the valve can cover them in such position that the notch 44 will not open any of the ports 42 as is indicated in Fig. 8. This is the position of this valve when the instrument is to be played in the oldway, before accenting and modulating arrangements were in common use; that is, when it was desired to secure the variations in the striking effects by variations inthe pumping. This, however, is not the way in which this instrument is intended to be operated ordinarily.
For ordinary playing the valve is moved sufliciently to the left in Fig. 8' to uncover the end of the slot 55 so as to throw the instrument on to the low air tension passage. This is the position for what is termed normal playing, and in this position the exhaust chambers 15 are connected with the low air tension passage 19. While playing in this way if it 1s desired to accent any section of actions, the valve is shifted so that the notch 44 will uncover one or more of the ports 42, the port 55 remaining open. It will be understood that While this instrument is illustrated as having six of these ports, any desired number maybe employed- One may be employed for each individual striking pneumatic if desired, but in practice as no two adjacent keys are ever struck, one lightly and the other with a heavyjolow, to produce a chord or a part of a chord, all the desired variations can be secured by arranging the striking pneumatics in sets of three, and when this is done the number of ports 42 will be equal to one-third of the keys of the instrument. However in the present case the instrument is shown at being divided up into only six sections.
In the form shown the valve box 100 is constructed as follows: Belowthe top plate constituting continuations of said passages are. all located near one side of the plate and open into a block 135 through which they continue downward into a plate 136. The upper-three plates above described are sup ported at a distance from the plate 136 by posts 137, and the space constitutes an outlet to the open air from a chamber below as will be described. This plate 136 in addition to the channels which have been followed down to this point, contains a number of sets of ports 35 which have been referred to heretofore, equal to this numberof ports 42. Below this plate is a plate 138 containing, as before, continuations of the passages 56 and 41, and also containing-aseries of channels 139 located between the several ports 340 and 35. This plate also contains channels constituting part of the passages 31 opening from the several chambers 139.
The next plate 140 contains continuationsof all the above mentioned channels, and below it a plate 141is provided in which is located the vacuum chamber 330. This plate, of
,course, containscontinuations of the pasand also the chambers 39 and 49. on which are mounted the neumatics 38 and 50. This plate extends past the end of the upper plates and furnishes a base for the reciprocation of the valve 121. It also contains the ends of the passages 123 and 124 which are connected by said valve, and on it is provided a block 145 into which the ends of the tubes 125 extend, these tubes communicating with the channels 123 which extend through this plate. The next plate 146 contains continuations of the channels 123 and 124, and of the passages 31, 41 and 56 and channels constituting part of the passages 47 thgse channels leading into' the chambers 49 as has been stated. It is in this plate that the sev-.-
the passages 31, 96, 56 and 47 are continued,
and the valve box terminates in abottom I tend to the channel-board 154, extending through the same Without communicating with the interior thereof, and-terminating under the pneumatics 14; as has been set forth. This is indicated in Fig. 24. The
tubes constituting part of the channels 31 also extend into this channel-board and there each one communicates rality of channels 32. I
The channel board is made up of a plurality of plates. The outside plate 155 has with a plupassages for the tubes as above described,
and passages for tubes which constitute part.
of the passages 31. The next plate 156 is spaced from the plate 155 by blocks 157 forming channels constituting continuations of the. passages 31 communicating in the plate 156 with passages 32. The next plate 158 is spaced from the plate 156 by blocks through said plate 158.
blocks 159 'form channels 19 communicating 157 forming channels designated as 20 which communicate with the passages 18 extending Another set of with passages 17 extending through the last plate 160, and communicating with the several suction chambers 15. The plate 151 is applied so as to cover the open ends of the passages 17 and 18, tubes 13 and 32 extendmg into them through the channel-board.
In Fig. 6 is shown a tube constituting part of a passage 56 extending into a valve box 170. This valve box is mounted on the top of the governor box which has been mentioned, and it is thought that it has been sufliciently described above. It is shown as comprising three plates, but may be made in desired way. At this point may be observed that a spring 171 is applied to the lever 70 to assist in opening the pneumatic 67 and the valves 71.
The striking valve box shown in Figs. 21, 22, 23 and 24 has been sufiiciently described in connectionwith the description of Fig. 1, and it is thought'unnecessary to go into the details of the construction of the same, as it is the general combination which it is de sired to claim herein. One of these valve boxes is provided for each striking pneumatic, and they are attached to the channelboardas is indicated in the first of the above mentioned figures. Each one is preferably made up of a series of plates in a manner which is well-known, and which will need no description.
The channel 26 which has been referred to above and which is not shown in my above mentioned application, is shown in these figures as consisting of a series of passages through the different plates of the valve box. The arrangement of the valves is shown in the same way as in the diagrammatic View; that is, the valve 28 and its pneumatic 27 are located between the valves 22 and 24:, but this arrangement may be varied as may be found convenient.
While only one embodiment of this invention is herein illustrated and described and it is shown as applied to an upright combination or player piano, it is to be understood that many modifications may be made therein by any person skilled in the art, and that the invention may be applied to piano players and other instruments without departing from the scope of this invention as expressed in the claims. Therefore, I do not wish to be limited to the particular form shown, but
What I do claim is l. A music playing action having a plurality of striking pneumatics, a chamber for each of said pneumatics, a passage for high air tensions or pressures, a passage for low air tensions or pressures, yielding means in the action for normally connecting the last named passage with said chambers, and means in the action for cutting oif a plurality of said chambers from the low air tension passage and simultaneously connecting them with the high air tension passage.
2. A music playing action having a plurality of striking pneumatics, a chamber for each of said pneumati'cs, a passage for high air tensions or pressures, a passage for low air tensions or pressures adapted to be connected with said chambers for operating said pneumatics, means in the action for cut-,
ting off a plurality of said chambers from the low air tension passage and connecting them with the high air tension. passage, and
a slide valve controlling said means for cutting off a plurality of said chambers from the low air tension passage in succession as the valve moves in one direction, and simultaneously connecting them with the high air tension passage.
3. In a music playing device, the combination with a plurality of elements, a striking pneumatic in each element and an air chamber for each of saidpneumatics, of a passage for high air tensions or pressures, a passage for low air tensions or pressures both extending into each element and con nected with all of said chambers, and means in each element for cutting'ofli its chamber from the low air tension passage and con necting it with the high air tension passage.
4. In a music playing device the combination with a plurality of striking pneumatics and a chamber for each of said pneumatics, of a'channel board having a passage for high air tensions or pressures and a passage for low air tensions or pressures adapted to be connected with said chambers for operating said pneumatics, manually controlled pneumatic means in the action for cutting oil all of said chambers from the low air tension passage, a manually operated valve controlling said means for cutting off a plurality of chambers from the low air tension passage and connecting them with the high air tension passage, and a gov.- ernor connected with the low air tension, passage, whereby the governor will be ineffective during accenting. a
5. In a music playing device, the combination with an action comprising a plurality of striking pneumatics, a chamber for each of said pneumatics, a passage for high air tensions or pressures, and a passage for low air tensions or pressures adapted to be connected with said chambers for operating said pneumatics, of a manually controlled slide valve for cutting ofi'- all said chambers from the low air tension passage one after the other, as the valve moves in one direction and simultaneously connecting them with the high air tension passage, and a valve box comprising means constituting part of the action for cutting ofi'- a section or sections'of: chambers from the low air tension passage and connecting them with the high air ten-- sion passage controlled from the tracker.-
6. In a music playing device, the combination with a tracker, of an action comprising a plurality of striking pneumatics, a chamber for each of said pneumatics, a passage a plurality of sections of chambers from the low air tension passage and connecting them with the high air tension passage, and a valve boxconstituting part of the action for cutting ofi a section or sections of chambers from the low air tension passage and connecting them with the high air tension passage and for controlling said low air tension passage.
. 7. In a music. playing device, the combination with a plurality of striking pneumatics and a chamber for each of said pneumatics,. of a passage for high air tens ons or pressures, a passage for low air tensions or pressures normally connected with sa1d chambers for operating sa1d pneumatics, a plurality of means for cutting off the "chambers from the low air tension passage and connecting them with the high air tension passage, and a valve box provided with a passage and connections for controlling said low air'tension passage and with a plurality of passages, each for controlling one of said means for cutting suction chambers oil from the low air tension passage.
8. In a music playing device, the combination with a striking pnuematic and a chamber, of a passage for high air tensions or pressures, a passage for low air tensions or pressures connected with said chamber for operating said pneumatic, means for cutting off the chamber from the low air tension passage and connecting it with the high air tens1on passage, and a valve box having a port and connections for controlling said low air tension passage, and a port for controlling said means for cutting ofl the suction chamber from the low air tension passage.
9. In a music playing device, the combination with a striking pneumatic and a cham ber, of a passage for high air tensions or pressures, a passage for low air tensions or pressures connected with said chamber for operating said pneumatic, means for cutting off the chamber from the low air tension passage'and connecting it with the high air tension passage, a valve box having a nor mally open port and connections for controllow air tension passage, and a valve adapted to cover both of said ports when moved to a certain position and to uncover the first port whenever it uncovers the second port.
z 10. In a music playing device, the combi-v nation with a plurality of striking pneumatics and a chamber connected with each of said pneumatics, of a passage for high air tensions or pressures, a passage for low air tensions or pressures connected with said chambers for operating said pneumatics, means for cutting off the chambers from the low air tension passage and connecting them with the high air tension passage, a valve box having a surface provided with a port and connections for supplying said low air tension passage with a low air tension when 'said port is open, and with a plurality of ports, a' plurality of passages, each connected with one of said plurality of ports for controlling said means for cutting a suction chamber off from the low air tension passage, and a valveadapted to cover all of said'ports and having a notch for opening one or more of said plurality of ports, said notch being so located that whenever any of the saidfplurality of ports is open, the first named'port will also be open.
11. In a music playing device, the combi- 7 port is open, said suction chamber being connected with the low air tension passage, said box having a second port, means for connecting the suction chamber with the high a r tension passage when said second ort is open, and a valve for said ports, sal valve being arranged to uncover the first of said ports before it uncovers the second and to keep it uncovered whenever said second port is open. Y
12. In a "music playing device, the combination with the striking pneumatics, chamhens connected therewith for operating them, a low air tension passage, a high air tension passage, a valve for controlling the connectionof each of said chambers with said passages, a valve box having a series of ports and passages for controlling said valves and a port having connectionsfor preventing the admission of high air tension or pressure to said low air tension passage, and a valve for controlling said ports,
13. In a music playing device, the combination with the striking pneumatics, suction chambers connected therewith for operating them, a low air tension passage, a igh air tension passage, a valve for controlling the connection of each of said chambers with said passages, a valve box having a series of ports and passages for .controlling said valves, and a port having connections for preventing the admission of high air tension to said low air tension passage, and a valve for controlling said ports, said valve having means for opening certain of said serles of ports when moved to a certain position and being so locatedas to always open the last named port when any one of saidseries of ports is opened.
14. In a music playing device, the combinationwith striking pneumatics, of a"valve box having a channel therein terminating in a port, a series of channels therein terminating in a corresponding series of ports, a ,valve for covering said ports, said/valve having a notch for opening one or more of said series of ports, said notch being so located with respect to theend of the valve that the first named port will be opened before. said notch opens any of said series of .ports, and will continue open during all the time when any of said series.of ports are open, means connected with the series of ports for controlling the supply of the several striking pneumatics with high air tension, and means controlled. from the first named port and channel for the supply of the striking pneumatics with low air tension.
passage.
15. In a music playing device, the combination of a striking pneumatic, a valve box with which said pneumatic is connected, said valve box having a suction chamber, a high air tension passage, a low air tension passage, channels connecting said suction chamber with both of said passages, a valve for controlling said channels, a spring for holding said valve in position to close the channel connected with the high air tension passage, a pneumatic for changing the position of said valve to open the channel connected with the high air tension passage and close the channel connected with the low air tension passage,-a valve box having a channel provided'with connections for controlling said low air tension passage to maintain a low air tension therein and (hannels having connections for operating said pneumatics when the channels are open, and a valve for controlling said channels.
16. In a music playing device, the combination of striking pneumatics, suction chainbers therefor, a high air tension passage, a low a1r tension passage, channels connecting each of said suction chambers with both of said passages, valves for controlling said channels, springs for holding said valves in position to close the channels connected with the high air tension passage, pneumatics for changing the position of said valves to openv the channels connected with the high air tension passage and close the channels connected with the low air tension, passage, a channel provided with connections for controlling said low air tension passage to maintain a low air tension therein, a series of channels arranged in order having connections for operating said pneumatics when said channels are open, and a valve forcontrolling the last named channels, said valve having means whereby the first of said channels is always open when any one ormore of the series of channels is-opened by the valve, whereby the opening of the first mentioned channel will connect the suction chambers with the low air tension passage,
and the opening of any of the series ofv channels will connect one or more of the suction chambers with the high air tension 17. In a music playing devicfthe combination of a striking pneumatic, a suction chamber therefor, a high air. tension passage, a low air tension passage, channels connecting said suction chamber. with both of said passages, a valve for controlling said channels, means for holding said valve in position'to'close the channel connected with the high air tension passage, a pneumatic for changing the position of said valve to open the channel'connected with the high air tension passage and close the channel connected wlth the low air tension passage,
a channel provided with connections for controlling sa d low air tension passage to malntaln a low air tension therein, a channel having connections for operating the sage,'a low air tension passage, both leading directly to the suction chamber, means for connecting said suction chamber with said passages, a passage having connections controlled thereby for supplying said low air tension passage with a low air tension when said passage is open, and when closed for connecting said low air tension passage directly with the high air tension passage.
19. In a music playing device, the combination with a tracker, a plurality of striking pneumatics and 'a chamber connected with each of said pneumatics, of a passage for high air tensions or pressures, a passage for low air tensions or pressures adapted to be connected with said chambers for operating said pneumatics, manually controlled pneumatic means comprising valves in said chambers for cutting ofiall of said chambers from the low air tension passage and connecting them with the high air tension passage, automatically operated pneumatic means operating upon said valves for cutting off a section or sections of chambers from the low air tension passage and, connecting them with a high air tension passage controlled from the tracker, and means for cutting off the connection of the tracker with said pneumatic means.
20. In a music playing device, the combination with a tracker, a plurality of striking pneumatics and a chamber connected with for each of said pneumatics, of a passage for high air tensions or pressures, an independent passage for low air tensions or pressures normally connected with said chambers for operating said pneumatics, means for cutting off the chambers from the low air tension passage and I connecting them with the high air tension passage, said means comprising a valve in each chamber a manually operated controlling device and an automatically operated controlling device controlled from the tracker for operating the valves, and manually operated means for cutting oif the connection of the tracker with said automatic controlling device.
21. In a music playing device, the combination with a striking pneumatic, avsuction chamber therefor, two passages having different air tensions, each connected with said suction chamber, 'avalve for controlling the connection of said passages with the suction chamber, a pneumatic for operating said valve, a passage connected w1th said pneumatic for operating it, a valve for controlling the last named passage, a pneumatic tion chamber with which the latter pneumatic is connected, a passage for-controlling the operation of said last named pneumatic,
a restricted connection between the last named passage and the lastnamed suction chamber, a valve for closing said connection, and a pneumatic for operating the last named valve and communicating with the last named passage. i
22. The combination with a striking pneumatic, connections for operating said pneumatic, a valve for controlling said connections, a pneumatic for operating said valve, a suction chamber, a passage from said suction chamber to said pneumatic, a second valve for controlling said passage, a pneumatic in the suction chamber for operating said second valve, a second pneumatic in said suction chamber, a valve'supported by the last named pneumatic, a restricted passage adapted to be closed by said valve, and a channel communicating. with the last named two pneumatic and with said restricted passage. 23. The combination with a striking pneumatic, connections for operating said pneumatic, a valve for controlling said connections, a pneumatic for operating said valve, a suction chamber, a passage from said suction chamber to said pneumatic, a second valve for controlling said passage, a pneumatic in the suction chamber for operating said second valve, a second pneumatic in said suction chamber, a valve supported by the last named pneumatic, a restricted passage adapted to be closed by said valve, a channel communicating with the last named two pneumatics and with said restricted passage, the last named valve being adapted to close without atmospheric pressure behind it, and the second valve being adapted to close against atmospheric air pressure whereby the last named valve will close before the second valve and shut off the suction chamber from said passage before the second valve operates to disconnect'the first pneus matic from the suctionchamber.
24. In a music playing device, the combination with striking pneumatics, of an accenting device adapted to control a plurality of said striking pneumatics, a governor box having a chamber for high air tensions and a chamber for low air tensions, a valve for preventing direct connection between said chambers, 'means' for operating said valve in the governor box, a pneumatic, a passage for admitting air under said pneufor operating the last named valve, a sucmatic to operate the same, a suction chamber with which said pneumatic is connected adapted' to communicate with one of the chambers in said governor box, a second.
pneumatic in said suction chamber, a valve supported by the second pneumatic, and a restricted passage. adapted to be controlled by said valve and extending from the suction chamber into communication with the other side of both of said neumatics.
25. In a music playing device, the combi-' nation with a striking pneumatic, of an accenting device therefor, a governor box having a chamber for high air tensions and a chamber for low air tensions, a valve for preventing direct connection between said chambers, means for operatlng said valve in the governor box, a pneumatic, a passage for admitting air under sald pneumatic to operate the same, a suction chamber with.
which said pneumatic is connected adapted to communicate with one of the chambers in said governor box, a second pneumatic in said suction chamber, a valve supported by v the second pneumatic a restricted passage adapted to be controlled by said valve and extending from the suction chamber into communication with the other side of both of said pneumatics, said second pneumatic being adapted to oprate under lighter pressure than the first pneumatic, whereby said valve will be closed before the first pneumatic operates and the suction chamber will .be cut off from communication with the vas other side of saidpneumatics before the first .pneumatic operates.
I 26. .In a music playing device, the combination. of a governor box having a low air tension chamber and a high air tension chamber, a valve for controlling direct communication between said chambers, a suction chamber, a channel adapted to open I suction chamber before said to the air,-a pneumatic connected with said channel and communicating with said suction chamber connections for controlling the operation of said valve, and means for closing connection between said channel and pneumatic operates.
27. In a music playing device, the combination of a main chamber connected with a source of air tension or pressure, a low ten: sion chamber, a passage connecting said chambers, means for cutting down the air tension or pressure in said passage, a direct connection between said chambers, a valve for controlling said direct connection, means for operating said valve, a third chamber, means for providing a direct connection between the first chamber and' the third chamber when desired, a high air tension passage connected with the third chamber, a low air tension passage connected with the second chamber, striking pneumatics, and means Lil-36,385
for connecting said passages with said striking pneumatics for operating them.
28. In a music playing device, the combisaid striking neumatics or operating them, i
a fourth chamber, a direct and constantly open connection between the first chamber and the fourth chamber, and means for connecting the fourth chamber with the motor for operating the same. Y
29. In a music. playing device, the combination of a main chamber connected with a source of air tension or pressure, a second chamber connected through a regulated passage with the first chamber, a third chamber connected with the first chamber, a valve adapted to open and close the connection between the first and third chambers, a motor chamber for direct connectioniwith a motor, a valve for opening a direct connection from the first chamber to the motor chamber, a passage connected with the second chamber, a passage connected with the third chamber, striking pneumatics adapted to be connected with either of said passages so as to operate under high or low tension, a valve for controlling the connection of the second chamher with said passage connected therewith, and means for moving said three valves simultaneously so as to close the connection between the first and third chambers and between the second chamber and its passage,
and to open the connection between the first chamber and the motor chamber for rewinding.
30; Ina music playing device, the combinatlon of a chamber connected with a source of air tension or pressure, a motor chamber adapted to be connected with the first chamber, a tempo valve for controlling the flow of air between the motor chamber and the first named chamber, a racing valve adapted to open a" free connection between the said chambers while the instrument isbeing played, and means connected with the tempo valve for opening said racing valve when the tempo valve moves in a position to accelerate the motor in the forward direction to the maximum extent during playing.
31. In a music playing device, the combination with a motor and tempo valve for manually controlling the speed of the motor, my hand, inthe presence of two subscrib of means separate from the tempo valve ing Witnesses. whereby, When the tempo valve is being opened during playing, the opening there- PETER WELIN' of to its fullest extent only will cause the Witnesses: motor to operate at maximum speed I C. FORREST \VESSON,
In testimony whereof'I have hereunto set ALBERT E. FAY.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,
' Washington, D. G.
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