US133531A - Improvement in swells for pipe-organs - Google Patents
Improvement in swells for pipe-organs Download PDFInfo
- Publication number
- US133531A US133531A US133531DA US133531A US 133531 A US133531 A US 133531A US 133531D A US133531D A US 133531DA US 133531 A US133531 A US 133531A
- Authority
- US
- United States
- Prior art keywords
- reservoir
- organs
- pipe
- valve
- pressure
- 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
- 230000000153 supplemental effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10B—ORGANS, HARMONIUMS OR SIMILAR WIND MUSICAL INSTRUMENTS WITH ASSOCIATED BLOWING APPARATUS
- G10B3/00—Details or accessories
- G10B3/16—Swell chambers; Accentuating means
Definitions
- My invention relates to pipe-organs or those having a forcing-bellows in contradistinction from the reed-organs, having the air drawn through by suction, and embraces the use of a supplementary air-reservoir, by means of which, aided by a valve controlled by the organist, the wind-pressure is varied at will, substantially as hereinafter described.
- the supplemental or pressure regulating reservoir A A is supplied with air from the main reservoir or bellows. In the drawing it is represented as filled.
- the main reservoir is weighted for the maximum pressure, and the supplementary reservoir for the minimum pressure desired.
- the valve B is controlled by the motion of the supplemental reservoir, closing as this reservoir fills, and opening as it empties. All the air admitted to the pipes passes through this small reservoir.
- the pressure of air is uniformly sustained at its minimum, whether much or little is used in playing. If, when using the organ at the minimum pressure, the valve 0 is opened wide, the pressure changes to its maximum, and if opened slowly the change is gradual, and an effective and desirable swell in the tone is produced.
- the valve B may be controlled to produce the same effect, but it is better to have it effected only by the rising and falling of the small reservoir as it adjusts itself to the volume of air needed, when used by the player at the lighter pressure.
- the supplemental reservoir and automatic valve B for using a lighter pressure than the main reservoir is not new; neither is the idea of increasing the tone by increasing the pressure; but
- the supplemental reservoir A A in combination with valve 0 and attaching devices to connect with pedal or draw-stop, substantially as described.
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Percussion Or Vibration Massage (AREA)
Description
UNITED STATES PATENT OFFICE.
FRANCIS H. HASTINGS, OF BOSTON, MASSACHUSETTS.
IMPROVEMENT IN SWELLS FOR PIPE-ORGANS.
Specification forming part of Letters Patent No. 133,531, dated December 3, 1872.
To all whom it may concern:
Be it known that I, F. H. HASTINGS, of Boston, in the county of Sufiolk, State of Massachusetts, have invented a certain novel contrivance for producing crescendo and diminuendo effects in the tone of pipe-organs, of which the following is a specification:
My invention relates to pipe-organs or those having a forcing-bellows in contradistinction from the reed-organs, having the air drawn through by suction, and embraces the use of a supplementary air-reservoir, by means of which, aided by a valve controlled by the organist, the wind-pressure is varied at will, substantially as hereinafter described.
The accompanying drawing shows a lateral sectional view, Figure 1; end sectional view, Fig. 2; and plan, Fig. 3.
The supplemental or pressure regulating reservoir A A is supplied with air from the main reservoir or bellows. In the drawing it is represented as filled. The main reservoir is weighted for the maximum pressure, and the supplementary reservoir for the minimum pressure desired. The valve B is controlled by the motion of the supplemental reservoir, closing as this reservoir fills, and opening as it empties. All the air admitted to the pipes passes through this small reservoir. By the automatic operation of the reservoir and valve B the pressure of air is uniformly sustained at its minimum, whether much or little is used in playing. If, when using the organ at the minimum pressure, the valve 0 is opened wide, the pressure changes to its maximum, and if opened slowly the change is gradual, and an effective and desirable swell in the tone is produced. The valve B may be controlled to produce the same effect, but it is better to have it effected only by the rising and falling of the small reservoir as it adjusts itself to the volume of air needed, when used by the player at the lighter pressure. I design to operate the valve 0 by a pedal or draw-stop connected by the rod D in any usual manner, so as to be at hand when desired for use by the player.
The supplemental reservoir and automatic valve B for using a lighter pressure than the main reservoir is not new; neither is the idea of increasing the tone by increasing the pressure; but
I claim as new and desire to secure by Letters Patent- 1. The combination of the reservoir A A with the valves B and G, or with a single valve, in any manner by which the pressure is made to vary with perfect gradation at the option of the organist, substantially as described.
2. The supplemental reservoir A A, in combination with the valve 0, substantially as described.
3. The supplemental reservoir A A, in combination with valve 0 and attaching devices to connect with pedal or draw-stop, substantially as described.
- FRANCIS H. HASTINGS.
Witnesses:
O. H. SMITH, E. J. KILBURN.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US133531A true US133531A (en) | 1872-12-03 |
Family
ID=2202947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US133531D Expired - Lifetime US133531A (en) | Improvement in swells for pipe-organs |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US133531A (en) |
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0
- US US133531D patent/US133531A/en not_active Expired - Lifetime
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