US1011293A - Interior-player piano. - Google Patents
Interior-player piano. Download PDFInfo
- Publication number
- US1011293A US1011293A US51375709A US1909513757A US1011293A US 1011293 A US1011293 A US 1011293A US 51375709 A US51375709 A US 51375709A US 1909513757 A US1909513757 A US 1909513757A US 1011293 A US1011293 A US 1011293A
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- US
- United States
- Prior art keywords
- piano
- interior
- manual
- action
- exhaust chambers
- 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
- G10F1/00—Automatic musical instruments
- G10F1/02—Pianofortes with keyboard
Definitions
- the purpose of this invention is to provide an improved construction of a piano having interior devices for automatic play ing, with particular reference to so positioning the various elements of the automatic mechanism as to avoid obstructing the sound or such access to the piano strings and action as is necessary in tuning and. other ordinary care of the instrument.
- Figure 1 is a front elevation of a piano equipped with this invention having the front panels of the case removed, a portion of the pumpers being broken away to show the parts behind.
- Fig. 2 is a detail section at the line on Fig. 1.
- the drawings represent a customary form of upright piano having a pneumatic action for automatic playing, which is seen in front elevation at A, positioned above the manual keys at the rear part thereof.
- the controlling mechanism comprising the tracker, B, roll carriage, C, and rolls, I), D thereon and motor, E, of familiar pneumatic type, is positioned above the pneumatic action, A.
- customary pumpers, F, F, and two exhaust chambers are provided for operating the pneumatic action.
- the exhaust chambers or receiving bellows are located in upright position at the two ends of the case substantially beyond the range of the manual, in a space which is otherwise'unappropriated Serial No. 513,757.
- the controlling mechanism comprising the tracker, roll carriage and rolls and motor has those several elements mounted together as a unitary structure.
- the pneumatlc action A is also constructed for easy removal from operative position so as to give free access to the portion of the string board immediately behind it, for any purpose for which such access may be re quired, although, as a matter of fact, said pneumatic action is positioned in front of the strings intermediate their ends where no access to them is required for tuning or attention in the ordinary care of the piano.
- Such removability of the pneumatic action is attained by erecting a shelf or base I by means of upright posts or legs, P extending from the foundation board,
- I claim 1 In combination with a manually oper able upright piano, an interiorly positioned pneumatic action for automatic playing, and exhaust chambers or receiving bellows for operating such pneumatic action located in upright position at the ends of the system of manual keys beyond the stringoccupied portion of the lower end of the string board.
Description
C. WARREN.
INTERIOR PLAYER PIANO. APPLICATION FILED AUG. 20. 1909.
1,01 1,293 Patented Dec. 12, 1911.
2 SHEETS-SHEET 1 0. WARREN. INTERIOR PLAYER PIANO. rmoumn FILED AUG. 20. 1909.
Patented Dec. 12, 1911.
2 SKEETS SHEET 2.
III!!!) Way f L f M z UNITED STATES PATENT OFFICE.
CHARLES WARREN, OF RQCKFORD, ILLINOIS.
INTERIOR-PLAYER PIANO.
To all whom it may concern:
Be it known that I, CHARLES WARREN, a citizen of the United States, residing at Rockford, in the county of Winnebago and State of Illinois, have invented new and useful Improvements in Interior-Player Pianos, of which the following is a specification, reference being had to the drawings forming a part thereof.
The purpose of this invention is to provide an improved construction of a piano having interior devices for automatic play ing, with particular reference to so positioning the various elements of the automatic mechanism as to avoid obstructing the sound or such access to the piano strings and action as is necessary in tuning and. other ordinary care of the instrument.
It consists in the elements and features of construction shown and described as in. dicated in the claims.
In the drawings :Figure 1 is a front elevation of a piano equipped with this invention having the front panels of the case removed, a portion of the pumpers being broken away to show the parts behind. Fig. 2 is a detail section at the line on Fig. 1.
The drawings represent a customary form of upright piano having a pneumatic action for automatic playing, which is seen in front elevation at A, positioned above the manual keys at the rear part thereof. The controlling mechanism comprising the tracker, B, roll carriage, C, and rolls, I), D thereon and motor, E, of familiar pneumatic type, is positioned above the pneumatic action, A. For operating the pneumatic action there are provided customary pumpers, F, F, and two exhaust chambers,
Gr, G, or retaining bellows. The pumpers.
are mounted under the rear portion of the manual as close up'against the foundation board, K, as possible, allowing only room for vibration of the moving members of the pumpers, the lower wall of the pumpers being the fixed wall and carried by rigid hangers, f, f, suspending it from the foundation board, K, the upper Wall being the moving wall and playing in the triangular space between the lower fixed wall and foundation board. The exhaust chambers or receiving bellows are located in upright position at the two ends of the case substantially beyond the range of the manual, in a space which is otherwise'unappropriated Serial No. 513,757.
in an ordinary upright piano case, laterally beyond the string board, so that the lower end portion of the string board having the pins to which access is necessary for tuning,
Specification of Letters Patent. t t 1 1 1 Application filed August 20, 1909.
is unobstructed so far as the several bellows or other parts relating to the automatic devices are concerned. In order that both pumpers may operate upon both exhaust chambers and their respective retaining bellows, the two exhaust chambers, G, G, are
connected by an air trunk, L, which extends longitudinally of the instrument aboveand at thev rear of the p'umpers, and each pumper is connected by a short air trunk,
L with the exhaust chamber at the cor responding end of the instrument. I
In order to afford ready access to the upper portion of the string board and the hammer action, the controlling mechanism comprising the tracker, roll carriage and rolls and motor has those several elements mounted together as a unitary structure.
upon a longitudinally extending carrying bar, N, provided at its opposite ends with lever arms, I pivotally connected at 01), to the two ends of the'c'ase so that the entire operating mechanism constituting said unitary structure may be swung down forwardly from operative position so as to rest immediately above the manual, thus exposing, without obstruction, all the upper part of the string board and hammer. action. The pneumatlc action A, is also constructed for easy removal from operative position so as to give free access to the portion of the string board immediately behind it, for any purpose for which such access may be re quired, although, as a matter of fact, said pneumatic action is positioned in front of the strings intermediate their ends where no access to them is required for tuning or attention in the ordinary care of the piano. Such removability of the pneumatic action, however, is attained by erecting a shelf or base I by means of upright posts or legs, P extending from the foundation board,
'K, opportunity for reaching said foundaof the pneumatic action, A, are stepped, being checked in all-horizontal directions by cleats, 1 ,1 on the upper surface of the shelf, and being held firmly to the shelf by hooks, P.
I claim 1. In combination with a manually oper able upright piano, an interiorly positioned pneumatic action for automatic playing, and exhaust chambers or receiving bellows for operating such pneumatic action located in upright position at the ends of the system of manual keys beyond the stringoccupied portion of the lower end of the string board. I
2. In combination with a manually operable upright piano, an interiorly positioned pneumatic action for automatic playing; exhaust chambers for operating such pneumatic action located in upright position at the ends of the system of manual keys beyond the string-occupied portion of the lower end of the string board, and pumpers for such exhaust chambers located horiz .1- tally between the same immediately below the manual.
3. In combination with a manually operable upright piano, an interiorly positioned pneumatic action for automatic playing; exhaust chambers for operating such pneumatic action located in upright position at the ends of the system of manual keys beyond the string-occupied portion of the lower end the string board; pumpers for such exhaus. chambers located horizontally bet-ween the same immediately below the manual, and an air trunk connecting the two exhaust chambers located at the rear side of such chambers.
4:. In combination with a manually operable upright piano, an interiorly positioned jneuniatic action for automatic playing; exhaust chambers and retaining bellows for operating such pneumatic action located in upright position at the ends of the system of manual keys beyond the string-occupied portion of the lower end of the string board; tw; pumpers for such exhaust chambers located side by side in horizontal position between the exhaust chambers and immediately-below the manual, each pumper being directly connected with the exhaust chamber at the corresponding end of the manual, and an air trunk connecting the two exhaust chambers at the rear side of such chambers.
In testimony whereof, I have hereunto set my hand, in the presence of two witnesses, at Chicago, Illinois, this 7th day of August,
CHARLES WARREN. In the presence of JULIA S. ABBOTT, CHAs. S. BURTON.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US51375709A US1011293A (en) | 1909-08-20 | 1909-08-20 | Interior-player piano. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US51375709A US1011293A (en) | 1909-08-20 | 1909-08-20 | Interior-player piano. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1011293A true US1011293A (en) | 1911-12-12 |
Family
ID=3079602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US51375709A Expired - Lifetime US1011293A (en) | 1909-08-20 | 1909-08-20 | Interior-player piano. |
Country Status (1)
Country | Link |
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US (1) | US1011293A (en) |
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1909
- 1909-08-20 US US51375709A patent/US1011293A/en not_active Expired - Lifetime
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