US107342A - Improvement in transposing mechanism for organs - Google Patents
Improvement in transposing mechanism for organs Download PDFInfo
- Publication number
- US107342A US107342A US107342DA US107342A US 107342 A US107342 A US 107342A US 107342D A US107342D A US 107342DA US 107342 A US107342 A US 107342A
- Authority
- US
- United States
- Prior art keywords
- board
- frame
- organs
- catch
- key
- 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
Links
- 210000000056 organs Anatomy 0.000 title description 12
- 230000013707 sensory perception of sound Effects 0.000 description 2
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Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
- G10C3/00—Details or accessories
- G10C3/28—Transposing devices
Definitions
- My invention consists in constructing and arranging the key-board of an organ, or other similar instrument, by means of certain mechanical contrivances, so that-a player may transpose any piece of music without altering the fingering or the reading of the music, as hereinafter explained.
- Figure 1 is a top plauview of a portion of the keyboard and its connections.
- Figure 2 is a similar view, with portions broken away to show the interior arrangement
- Figure 3 is a verticalcross-section of the line x x.
- A is the top of the wind-chest of the instrument.
- a key-board frame Upon the top of the wind-chest, and over the center-board B, is placed a key-board frame, 0, made rectangular, and so arranged in its hearings as to allow of its'bcing moved or slid laterally. t is, also, made long enough to always have. some of its keys over the pinsf, when thus moved.
- a plate, E having its frontside provided with notches, 0, similar to those between saw-teeth, and as shown in fig. 2, and under the frame 0, immediately in front of these notches, is arranged a sliding catch, 1*, having its end opposite the notches c, wedge-shaped, so as readily to engage with them.
- This sliding catch moves longitudinally in the frame 0, but latcrallyit moves with the frame, so that, as the frame is moved laterally, its end or head comes opposite a different notch with which to engage.
- a plate, G To the inner edge of the front part of the frame 0, is hinged a plate, G, so as to be between the frame and the front edge of the ,central-boa1d'B, and under the keys D, as shown in fig. 3.
- This board or plate G has attached to its underside an inclined block, (Z, so located as to be immediately over the inner end of the sliding catch F, which also has an incline, e, on its upper side, so that, as the catch is drawn out, these inclines will, in moving on each other, cause the free endof the plate G to turn up, and raise with it the free ends of the keys D, as shown in dotted lines in fig. 3.
- the catch F is held forward, with its head in one of the notches c, by means of a spring, I), attached to the inner side of the frame 0, at one end, and with its free end bearing on the catch, as shown.
- the player may transpose any piece of music without altering the fingering or the reading of the music, by simply pulling out the sliding cat-ch, and disengaging it from the board E, and then moving the key-board frame laterally, in either direction, any desired distance, and, when thus moved, allow the catch to be engagedagaiu as before. If the notches are just far enough apart to allow each key to be transferred to the next valve-pin, either above or below it, the effect oft-he movement of the board is obvious.
- a player may play a piece of music in any key in which i tmay be writ-tcn,'0r in any other key which he may prefer, whether higher or lower, bysimply moving his key-board, and, in this way, he may accommodate any piece of music to any desired pitch of voice without the trouble of rewriting the notes, or of transposing while he plays, or of publishing different editions of the same song, arranged in diii'erent keys to suit dificrcnt ranges of voice, for tenor, bass, alto, or soprano.
- ⁇ VhatI claim is- V 1.
Description
W. G. DAY. TRANSPOSIANG MECHANISM FOR ORGANS.
N 107.342. Petented Sept. 13, 1870.
oauoooawoaoaau fig- 17% eaaee, 1121 01215912 flfi 0 I THE "0" PETER; C04 PHOTDHJTRQ, WASHINGTON. D. Q.
waited swa WILLARD- G. DAY, OF BALTIMORE, MARYLAND.
Letters Patent No. 107,342, dated September 13, 1870.
IMPROVEMENT IN TRANSPOSING- .MECHANISM FOR ORG-ANS.
The Schedule referred to in these Letters Patent and making art of the scare.
Be it known that I, WILLARD G. DAY, of Baltimore, in the county of Baltimore and State of Maryland, .lia've invented certain Improvements in Organs, Melodeons, and similar instruments, of which the following is a specification,reference being bad to the accompanying drawing.
My invention consists in constructing and arranging the key-board of an organ, or other similar instrument, by means of certain mechanical contrivances, so that-a player may transpose any piece of music without altering the fingering or the reading of the music, as hereinafter explained.
In the drawing.
Figure 1 is a top plauview of a portion of the keyboard and its connections.
Figure 2 is a similar view, with portions broken away to show the interior arrangement, and
Figure 3 is a verticalcross-section of the line x x. A is the top of the wind-chest of the instrument, and
B the centerboard, perforated with holes, a, for
the admission of loose wooden pins, f, which lead from the under side of the keys to the valves in the windchest.
Upon the top of the wind-chest, and over the center-board B, is placed a key-board frame, 0, made rectangular, and so arranged in its hearings as to allow of its'bcing moved or slid laterally. t is, also, made long enough to always have. some of its keys over the pinsf, when thus moved.
In this frame are mounted keys, D, arranged so as to bear upon the valve-pins f, as shown in fig. 3. The rear end of these keys is pivoted to the rear sides of the frame, while their front ends move vertically on guide-pins, g, attached to the frame, as shown in the same figure.
To thefront side of the central-board B is attached a plate, E, having its frontside provided with notches, 0, similar to those between saw-teeth, and as shown in fig. 2, and under the frame 0, immediately in front of these notches, is arranged a sliding catch, 1*, having its end opposite the notches c, wedge-shaped, so as readily to engage with them.
This sliding catch moves longitudinally in the frame 0, but latcrallyit moves with the frame, so that, as the frame is moved laterally, its end or head comes opposite a different notch with which to engage.
To the inner edge of the front part of the frame 0, is hinged a plate, G, so as to be between the frame and the front edge of the ,central-boa1d'B, and under the keys D, as shown in fig. 3.
This board or plate G has attached to its underside an inclined block, (Z, so located as to be immediately over the inner end of the sliding catch F, which also has an incline, e, on its upper side, so that, as the catch is drawn out, these inclines will, in moving on each other, cause the free endof the plate G to turn up, and raise with it the free ends of the keys D, as shown in dotted lines in fig. 3.
The catch F is held forward, with its head in one of the notches c, by means of a spring, I), attached to the inner side of the frame 0, at one end, and with its free end bearing on the catch, as shown.
It will thus be seen that, by constructing and arranging a key-board upon the wind-chest of an organ, as above described, the player may transpose any piece of music without altering the fingering or the reading of the music, by simply pulling out the sliding cat-ch, and disengaging it from the board E, and then moving the key-board frame laterally, in either direction, any desired distance, and, when thus moved, allow the catch to be engagedagaiu as before. If the notches are just far enough apart to allow each key to be transferred to the next valve-pin, either above or below it, the effect oft-he movement of the board is obvious.
The advantages of these improvements will be readily understood. A player may play a piece of music in any key in which i tmay be writ-tcn,'0r in any other key which he may prefer, whether higher or lower, bysimply moving his key-board, and, in this way, he may accommodate any piece of music to any desired pitch of voice without the trouble of rewriting the notes, or of transposing while he plays, or of publishing different editions of the same song, arranged in diii'erent keys to suit dificrcnt ranges of voice, for tenor, bass, alto, or soprano.
Having thus described my invention,
\VhatI claim is- V 1. The combination of the key-board O and catch 1* with the center-board B and notched plate E, when constructed and arranged substantially as and for the purpose set forth.
2. The combination of the catch 1 and spring I, with the notched plate E, when constructed and arranged substantially as and for the purpose set forth.
o. The combination of the catch F and hingedboard G, when constructed and arranged substantially as described, for raising the keys D, as set forth.
\VILLARD Gr. DAY. \Vitnesses H. B. Moss, lurn. T. DODGE.
Publications (1)
Publication Number | Publication Date |
---|---|
US107342A true US107342A (en) | 1870-09-13 |
Family
ID=2176818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US107342D Expired - Lifetime US107342A (en) | Improvement in transposing mechanism for organs |
Country Status (1)
Country | Link |
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US (1) | US107342A (en) |
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0
- US US107342D patent/US107342A/en not_active Expired - Lifetime
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