US840303A - Pneumatically-operated musical instrument. - Google Patents
Pneumatically-operated musical instrument. Download PDFInfo
- Publication number
- US840303A US840303A US32729106A US1906327291A US840303A US 840303 A US840303 A US 840303A US 32729106 A US32729106 A US 32729106A US 1906327291 A US1906327291 A US 1906327291A US 840303 A US840303 A US 840303A
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- US
- United States
- Prior art keywords
- vent
- pneumatically
- tracker
- rail
- musical instrument
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10F—AUTOMATIC MUSICAL INSTRUMENTS
- G10F5/00—Details or accessories
- G10F5/04—Tune barrels, sheets, rollers, spools, or the like
Definitions
- Figure 1 a front view of a portion of a conductor for a pneumatically-operated instrument embodying my invention; Fi 2, a rear view of the central portion thereof, showing my vent-rail applied thereto; Fig. 3, a trans-' verse sectional view showing the relative position of the tracker and vent-rail, the section being taken through one of the passages 9-11 Fig. 4, a similar sectional View of the ventrail, taken through one of the passageslO-12 Fig. 5, a top or plan view of a portion of the vent-rail with the cap removed,
- vents of some character he provided in the tubes leading'from the tracker to the primary pneumatics in order to obtain sulliciently quick reaction to sound the same key in rapid succession, if that be desirable.
- These vents have been arranged. in. various positions and being the first vents between the tracker and the primary pneumatics are most liable to become clogged. 'lhose vents are readily cleared. providing an access can be had to them; and the object of this invention is to arrange the vents that they may be readily accessible, so that they can be cleared when occasion may require; and the invention consists in the construction as hereinafter described, and. particularly recited in the claim.
- conductor bein one employed to include the tracker, winding-roll,- and means for supporting the perforated roll, the tracker'2 being located longitudinally between the winding-roll 3 and the bearings 4 and 5 for the perforated roll, which is not shown, these, parts being all of usual construction.
- the tracker 2 In the tracker 2 are the usual holes 6 to register with the perforations in the music-roll, and these perforations are connected with rubber tubes 7, which lead to the primary pneumatics, (not shown;) but instead of having a continuous tube to the primary pneumatics I place a vent-rail S at the back of the conductor and in line with the tracker, and in this vent-rail are aseries of vertical passages 9 and 10 intersecting horizontal passages 11 and 1;.
- nipples 13 and 14 are inserted, the nipples 14 being connected with the tracker-nipples by the tubes 7, while the nipples 13 are connected with tubes 15, which lead to the primary pncumatics.
- vent-rail Extending down through the vent-rail are a series of holes 16, which enter the horizontal passages into ,the vent-rail, while above the vent-rail and secured thereto is a cap 17, formed with a chamber 18, which chamber communicates, through a pipe 19, with one of the chambers of the instrument in which the exhaust is maintained, so that a constant pressure is applied to the pipes 15 for the purpose of we hausting the primary pneumatics, assisting to return them to an operative condition after a note has been struck.
- This vent-rail being located at the rear of the conductor is readily accessible, and should one of the ventholos 16 become stopped it is only necessary to remove the cap 17, when access to the hole may be had and the obstruction readily removed.
- a pneumatically-operatmI instrument the combination with. a tracker, of a ventrail secured in rear of said tracker but separated therefrom and having passages through it corresponding to the holes in said. tracker, connections from the trackerto the passages in said vent-rail, vertically-arranged holes in I said vent-rai1 and intersecting said passages, a cap secured to the top of said Vent-mil a'nd having a recess formmg a chamber above 5 send holes and above said passages, and
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electrophonic Musical Instruments (AREA)
Description
I PATENTED JAN. 1, 1907.
F. v. OROFUT. PNEUMATIGALLY OPERATED MUSICAL INSTRUMENT.
APPLIOATIOfi FILED JULY 23. 1906.
w JL JQUULIQUUUUUUUUUUUUULIUULIUUUUUUUUULIUUUUUUUUUUUUULIUUUHLIUUU UNITED 'srArn-s PATENT OFFICE.
FRANK V. CROFUT, OF DERBY, CONNECTICUT, ASSIGNOR TO THE GO, OF DERBY, CONNECTICUT, A CORPORATION.
STE R L] N Cr Specification of Letters Patent.
Patented. Jan. 1,4907.
Application filed July 23,1906. Serial No. 327,291.
To all who; t may concern:
Be it known that L'FRANKV. CROFUT, a citizen of the United States, residing at Derby, in the county of New Haven and State of Connecticut, have invented a new and useful part of this specification, and represent, in
Figure 1, a front view of a portion of a conductor for a pneumatically-operated instrument embodying my invention; Fi 2, a rear view of the central portion thereof, showing my vent-rail applied thereto; Fig. 3, a trans-' verse sectional view showing the relative position of the tracker and vent-rail, the section being taken through one of the passages 9-11 Fig. 4, a similar sectional View of the ventrail, taken through one of the passageslO-12 Fig. 5, a top or plan view of a portion of the vent-rail with the cap removed,
This invention relates to an improvement in pneumatically-operated instruments, and is particularly applicable to pneumatic devices adapted to be arranged within the case 3,
of a piano for operating the keys thereof. In devices of this character it is essential that a vent of some character he provided in the tubes leading'from the tracker to the primary pneumatics in order to obtain sulliciently quick reaction to sound the same key in rapid succession, if that be desirable. These vents have been arranged. in. various positions and being the first vents between the tracker and the primary pneumatics are most liable to become clogged. 'lhose vents are readily cleared. providing an access can be had to them; and the object of this invention is to arrange the vents that they may be readily accessible, so that they can be cleared when occasion may require; and the invention consists in the construction as hereinafter described, and. particularly recited in the claim.
In illustrating my invention 1 show only so much'of. the conductor as is necessary to a clear understanding of my invention, the
term conductor bein one employed to include the tracker, winding-roll,- and means for supporting the perforated roll, the tracker'2 being located longitudinally between the winding-roll 3 and the bearings 4 and 5 for the perforated roll, which is not shown, these, parts being all of usual construction. In the tracker 2 are the usual holes 6 to register with the perforations in the music-roll, and these perforations are connected with rubber tubes 7, which lead to the primary pneumatics, (not shown;) but instead of having a continuous tube to the primary pneumatics I place a vent-rail S at the back of the conductor and in line with the tracker, and in this vent-rail are aseries of vertical passages 9 and 10 intersecting horizontal passages 11 and 1;. Into these various passages nipples 13 and 14 are inserted, the nipples 14 being connected with the tracker-nipples by the tubes 7, while the nipples 13 are connected with tubes 15, which lead to the primary pncumatics. For
economy of space the passages through the vent-rail are staggered or, in other words, arranged in double rows. Extending down through the vent-rail are a series of holes 16, which enter the horizontal passages into ,the vent-rail, while above the vent-rail and secured thereto is a cap 17, formed with a chamber 18, which chamber communicates, through a pipe 19, with one of the chambers of the instrument in which the exhaust is maintained, so that a constant pressure is applied to the pipes 15 for the purpose of we hausting the primary pneumatics, assisting to return them to an operative condition after a note has been struck. This vent-rail being located at the rear of the conductor is readily accessible, and should one of the ventholos 16 become stopped it is only necessary to remove the cap 17, when access to the hole may be had and the obstruction readily removed.
I claim In a pneumatically-operatmI instrument, the combination with. a tracker, of a ventrail secured in rear of said tracker but separated therefrom and having passages through it corresponding to the holes in said. tracker, connections from the trackerto the passages in said vent-rail, vertically-arranged holes in I said vent-rai1 and intersecting said passages, a cap secured to the top of said Vent-mil a'nd having a recess formmg a chamber above 5 send holes and above said passages, and
means for :haustmg the mrfrom sald ehamber, substantially as described.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32729106A US840303A (en) | 1906-07-23 | 1906-07-23 | Pneumatically-operated musical instrument. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32729106A US840303A (en) | 1906-07-23 | 1906-07-23 | Pneumatically-operated musical instrument. |
Publications (1)
Publication Number | Publication Date |
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US840303A true US840303A (en) | 1907-01-01 |
Family
ID=2908774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US32729106A Expired - Lifetime US840303A (en) | 1906-07-23 | 1906-07-23 | Pneumatically-operated musical instrument. |
Country Status (1)
Country | Link |
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US (1) | US840303A (en) |
-
1906
- 1906-07-23 US US32729106A patent/US840303A/en not_active Expired - Lifetime
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