US981363A - Pneumatic piano. - Google Patents
Pneumatic piano. Download PDFInfo
- Publication number
- US981363A US981363A US53403809A US1909534038A US981363A US 981363 A US981363 A US 981363A US 53403809 A US53403809 A US 53403809A US 1909534038 A US1909534038 A US 1909534038A US 981363 A US981363 A US 981363A
- Authority
- US
- United States
- Prior art keywords
- bellows
- valve
- bracket
- piano
- pneumatic
- 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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Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10F—AUTOMATIC MUSICAL INSTRUMENTS
- G10F1/00—Automatic musical instruments
- G10F1/02—Pianofortes with keyboard
Definitions
- Tu mmms PETERS C17,, wnsnmarau, 121 c.
- the object of this invention is to improve the construction of parts of a pneumatic piano,such as is set forth. in my application filed Nov. 18, 1909, Serial No. 528,689.
- the chief feature of this invention consists in providing an individual bracket support for each individual pneumatic element which can be readily removed by detaching the bracket or support therefor.
- the bracket is used for inount ing only the bellows or suction apparatus and the secondary valve.
- Another feature of the invention consists in forming the bracketfor supporting the bellows, and the plate for supporting the spring which holds the secondary valve in one piece or part, so that their relationship will always be the same and they can be economically made and readily replaced or removed.
- Another feature of the invention consists in the construction of the parts associated with the secondary valve.
- Figure 1 is a vertical central section through the lower part of a power pneumatic element, other parts being removed and parts broken away.
- Fig. 2 is a side elevation of the bracket for supporting the bellows and the plate for holding the secondary valve.
- Fig. 3 is a front elevation of the same.
- Fig. 4 is a section on the line 1& of Fig. 2.
- Fig. 5 is a section on the line 5--5 of Fig. 1.
- FIG. 11 represents the rear wall of the power pneumatic portionof a piano, and 11. is a passageway that is in communication at times with the outer air by valve-controlled passageways not here shown, and the passageway 11 extends down through and is in communication with the secondary pouch 12 so as to admit air to actuate the same.
- a rod 13 is secured at one end to the Specification of Letters Patent.
- secondary pouch 12 extends through-an opening in the suction chamber 1 1 and the port 15 leading therefrom into the chamber 16, and has on it a fixed collar 17 between its ends, and normally said collar lies within the port 15.
- a secondary valve 18 closes the port 15 and is loosely mounted on the rod 13 and held in place against the collar 17 by the spiral spring 19, the apex of which surrounds the end of the rod 13 and is held against the valve by the screw 20, and an enlarged portion of the spring fits in the grooved wall of a hole 21 in the plate 22 that is secured in place by the screws 23 to the plate 245.
- the plate 22 forms a part of the support 25 of the bellows and is integral therewith, the support extending horizontally and at a right angle from the plate 22, and the bellows is secured on said support by a screw 27.
- a port 28 in the bellows communicates with the passageway 29 in the support 25 that runs to the chamber 16.
- the width of the bracket composed of the plate 22 and bellows support 25 is the same as .the bellows instead of running throughout the en. tire width of the piano, and, therefore, each pneumatic element is individually support ed, and the support of one element can be removed without disturbing the others. Such removal of the bracket is effected by unscrewing the screws 23 that renders the bellows and bracket accessible, and the secondary valve goes with it upon releasing the screw 21, so that all the parts are accessible for repair.
- a pneumatic piano the combination of a vertically disposed structure containing a valve chamber, a valve therein, a belllows, a bracket having a horizontal portion which individually supports said bellows and is provided with a passageway in communication with said bellows and valve chamber and a vertical portion detachably secured to said structure, and forming one side wall of said valve chamber and means held by the vertical portion of the bracket for supporting the valve.
- a structure containing a valve chamber, a valve therein, a bellows a bracket having one portion which individually supports said bellows and is provided witha passageway in communication with the bellows and Valve chamber and another portion at a right angle to said bellows supporting portion which is secured to said structure so as to form one wall of said valve chamber and which has an opening through it forming a part of said passageway from said chamber, and a spring detaohably held by said last mentioned portion of the bracket for sup- 1O porting the valve.
Description
W. G. 1111122. PNEUMATIC PIANO.
APPLICATION FILED DI10.20,1909.
981,363, Patented Jan.10,1911.
11 IIIII/IIIII/ 4 WITNESSES: INVENTOR.
I ATTORNEY.
Tu: mmms PETERS C17,, wnsnmarau, 121 c.
UNITED sTATEs PATENT OFFICE.
WILLIAM G. BE'IZ, OF CHICAGO HEIGHTS, ILLINOIS, ASSIGNOR 'IO S'IEGER & SONS PIANO MANUFACTURING COMPANY, OF CHIOAGO, ILLINOIS, A CORPORATION OF ILLINOIS.
PNEUMATIC PIANO.
To all whom it may concern:
Be it known that I, IVILLIAM G. Bn'rz, of Chicago Heights, county of Cook, and State of Illinois, have invented a certain new and useful Pneumatic Piano; and I do hereby declare that the following is a full, clear, and exact description thereof, reference be ing had to the accompanying drawings.
The object of this invention is to improve the construction of parts of a pneumatic piano,such as is set forth. in my application filed Nov. 18, 1909, Serial No. 528,689.
The chief feature of this invention consists in providing an individual bracket support for each individual pneumatic element which can be readily removed by detaching the bracket or support therefor. In this particular form the bracket is used for inount ing only the bellows or suction apparatus and the secondary valve.
Another feature of the invention consists in forming the bracketfor supporting the bellows, and the plate for supporting the spring which holds the secondary valve in one piece or part, so that their relationship will always be the same and they can be economically made and readily replaced or removed.
Another feature of the invention consists in the construction of the parts associated with the secondary valve.
The nature of these features of the invention will be understood from the following description. and claims and the accompanying drawings:
In the drawings Figure 1 is a vertical central section through the lower part of a power pneumatic element, other parts being removed and parts broken away. Fig. 2 is a side elevation of the bracket for supporting the bellows and the plate for holding the secondary valve. Fig. 3 is a front elevation of the same. Fig. 4 is a section on the line 1& of Fig. 2. Fig. 5 is a section on the line 5--5 of Fig. 1.
In detail, represents the rear wall of the power pneumatic portionof a piano, and 11. is a passageway that is in communication at times with the outer air by valve-controlled passageways not here shown, and the passageway 11 extends down through and is in communication with the secondary pouch 12 so as to admit air to actuate the same. A rod 13 is secured at one end to the Specification of Letters Patent.
Application filed December 20, 1909.
Patented Jan. 10, 1911.
Serial No. 534,038.
IVhat I claim as my invention and desire to secure by Letters Patent is: g
1.. In a pneumatic piano, the combination of a vertically disposed structure containing a valve chamber, a valve therein, a belllows, a bracket having a horizontal portion which individually supports said bellows and is provided with a passageway in communication with said bellows and valve chamber and a vertical portion detachably secured to said structure, and forming one side wall of said valve chamber and means held by the vertical portion of the bracket for supporting the valve.
2. In a pneumatic piano, the combination of a structure containing a valve chamber, a valve therein, a bellows, a bracket having one portion which individually supports said bellows and is provided witha passageway in communication with the bellows and Valve chamber and another portion at a right angle to said bellows supporting portion which is secured to said structure so as to form one wall of said valve chamber and which has an opening through it forming a part of said passageway from said chamber, and a spring detaohably held by said last mentioned portion of the bracket for sup- 1O porting the valve.
In witness whereof, I have hereunto at? fixed my signature in the presence of the witnesses herein named.
VILLIAM G. BETZ.
Vitnesses H. C. TEHLAN, C. W. BOYNTON.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US53403809A US981363A (en) | 1909-12-20 | 1909-12-20 | Pneumatic piano. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US53403809A US981363A (en) | 1909-12-20 | 1909-12-20 | Pneumatic piano. |
Publications (1)
Publication Number | Publication Date |
---|---|
US981363A true US981363A (en) | 1911-01-10 |
Family
ID=3049728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US53403809A Expired - Lifetime US981363A (en) | 1909-12-20 | 1909-12-20 | Pneumatic piano. |
Country Status (1)
Country | Link |
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US (1) | US981363A (en) |
-
1909
- 1909-12-20 US US53403809A patent/US981363A/en not_active Expired - Lifetime
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