US716498A - Subbass for self-playing organs. - Google Patents

Subbass for self-playing organs. Download PDF

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Publication number
US716498A
US716498A US5967501A US1901059675A US716498A US 716498 A US716498 A US 716498A US 5967501 A US5967501 A US 5967501A US 1901059675 A US1901059675 A US 1901059675A US 716498 A US716498 A US 716498A
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Prior art keywords
chamber
subbass
pneumatics
self
vacuum
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Expired - Lifetime
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US5967501A
Inventor
Charles Warren
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BELL ORGAN AND PIANO COMPANY Ltd
BELL ORGAN AND PIANO Co Ltd
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BELL ORGAN AND PIANO Co Ltd
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Priority to US5967501A priority Critical patent/US716498A/en
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10BORGANS, HARMONIUMS OR SIMILAR WIND MUSICAL INSTRUMENTS WITH ASSOCIATED BLOWING APPARATUS
    • G10B3/00Details or accessories
    • G10B3/16Swell chambers; Accentuating means

Description

Patented Dec. 23, i902.
C. WARREN.
SUBBASS FOB SELF PLAYING ORGANS.
(Application filed May 10I 1901.' (No Model.) a 2 sheets-sheet 1.'
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No. -7|6,498. Patented Dec. 23, |902.
C. WARREN.
SUBBASS FOB SELF PLAYING DBGANS.
Application m'ed my 1o, 1901.)
(No Modal.) 2 Sheets-Sheet 2.v
TH: Norms PETERS co wom-uvm., wAsmNGToN. D, c.
UNITED STATES ATENT OFFICE.
CHARLES VARREN, OF GUELPH, CANADA, ASSIGNOR TO THE BELL ORGAN AND PIANO COMPANY, LIMITED, OF GUELPH, ONTARIO, CANADA, A COR- PORATION.
SUBBASS FOR SELF-PLAYING ORGANS.
SPECIFICATION forming part of Letters Patent No. 716,498, dated December 23, 1902.
Serial No. 59,675. (No model.)
To @ZZ whom, it may concern:
Beit known that I, CHARLES VARREN, musical instrument expert, of the city of Guelph, in the county of Vellington, in the Province of Ontario, Canada, have invented certain new and useful Improvements in Subbasses for Self-Playing Organs, of which the following is a specification.
My invention relates to that class of pneuxo matic-organs which may be played either from the ordinary keyboard or automatically by means of a tracker-board and perforated music-sheet; and the object of the invention is to produce a simple, eiective, compact, and easily-operated subbass.
The invention consists in the construction and arrangement of parts hereinafter described and particularly pointed out in the claims.
The invention is illustrated in the accompanying drawings, in which- Figure l is a perspective view of an organ with the casing mostly broken away, exhibiting the construction and arrangement of z5 mysubbass. Fig. 2 isavertical section. Fig. 3 is a detail of the valve which controls the communication between the exhaust-chamber and the trunk and the upper pneumaticchamber.
In the drawingslike letters of reference indicate corresponding parts in each figure.
I shall rst briey describe the upper vacuum-chamber and the diaphragm in connection therewith and the coactiug parts used 3 5 with the tracker-board.
ctis the vacuum-chamber,extendinglongitudinally and communicating with the trackerboard b by a tube c, communicating alternately with the diaphragms d in the front .lo and back walls of the Vacuum-chamber.
e represents valves covering the openings e and connecting the chamber ct with the outer air, being adapted to he operated by the diaphragm d in the usual Well-known manner.
f represents the pneu matics, which are connected to the keys by cords g, and e2 represents passage-ways leading from the opening e to the pneumatics.
c/ represents passage-ways leading from the 5o tracker to the space behind the diaphragm.
r is the relief-Valve, which covers an opening r in the trunk t', leading from the exhaustchamber B to the vacuum-chamber a.
o is the opening communicating between the exhaust-chamber and the trunk and normally covered by the valve q, which has a pin q', which abuts the inner side of the relief-valve 1^. The slide q is connected bythe rod q2 to one of the stops of the organ.
e3 represents branch passage-ways leading 6o through the plate supporting the pneumaticchamber to the supplemental tubes C, which extend through the top of the subbass-casing D and communicate with the pneumatics E. Each pneumatic E is connected by a rod E to a pallet F, which extends over the corresponding chamber G of the reed-box G. Each chamber contains one reed g.
H is the mute iiap, which covers an opening lt, being held against the casing by a 7o springt. The mute flap H is suitably hinged at the top, as indicated, and has an upward extension h2, which is connected by the rod h3 to the double pivoted arm h4, which is connected by suitable connections to the stop I-I. (See Fig. 2.)
Vhen it is desired to operate the subbass, the stop H must be pulled out, so as to throw the mute tia-p outwardly and uncover the opening h. It will now be seen that imme- 8o diately any of the openings in the music-sheet uncover the corresponding openings in the tracker-board the corresponding tubes C will be thrown into communication with the air, and thereby operate the diaphragm d, as is commonly known, thus collapsing the pneumatic f and necessarily at the same time collapsing, through the passage-Way e3 and tube C, the pneumatic E in the subbass-chamber, thus raising the corresponding pallets and 9o, causing the corresponding reeds in the reedbox G2 to speak. Y
It will of course be understood that the relief-valve r must be closed and the opening o opened, so that the organ may be automatically played by the tracker-board, and necessarily when the relief-valve r is thrown open and the opening is closed by its valve q that the pueumatics operated through the vacuumchamber ct will be inoperative and necessarily Ico the subbass, which is connected therewith by the passage-ways e and C. It will also be uuderstood that when the pneumatics are operating in connection With the Vacuum-chamber a. the pneumatics will not be operating in the subbass unless the mute flap His open.
What I claim as my invention isl. In pneumatic-organs, the combination with the upper and lower vacuum-chambers, diaphragms, tubes and tracker board and pneu matics coacting with same, of a subbasschamber having a mute opening and pneumatics located therein beneath the top of the same, tubes connecting such pneumatics with the passage-ways leading to the upper portion of the vacuum-chamber, the reed-box and reeds located in chambers therein, such reeds extending downwardly through the main or lower vacuum-chamber into the exhaust-bellows and the pallets extending over the top of the reed-box chambers and connections between the pallets and pneumatics as specified.
2. In a device ofthe class described, in combination the main vacuum-chamber extending completely across the instrument, a supplemental chamber extending portion of the way across the instrument, and located directly upon the top or sound board ofthe main vacuum-chamber and provided with au inclined top extending downwardly from back tofront, whereby freedom of movement is given to the extended keys, as specified.
3. In a pneumatic-organ, the combination with the upper vacuum-chamber communieating with the main vacuum-chamber, the diaphragms, tubes and tracker-board and pneumatics coacting with such upper chamber, of a supplemental chamber and pneumatics located therein, passage-ways and tubes extending from the upper vacuumchamber directly to the top of the pneumatics in the supplemental chamber, the reedchamber and reeds extending downwardly from the supplemental chamber directly underneath the pneumatics, the pallets covering the reed-chambers, the connections between the pallets and pneumatics and the opening in the wall of the supplemental chamber and the mute flap covering the same as specified.
B. BOYD, L. TRIMBLE.
US5967501A 1901-05-10 1901-05-10 Subbass for self-playing organs. Expired - Lifetime US716498A (en)

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