US479434A - Key-coupler for organs - Google Patents

Key-coupler for organs Download PDF

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US479434A
US479434A US479434DA US479434A US 479434 A US479434 A US 479434A US 479434D A US479434D A US 479434DA US 479434 A US479434 A US 479434A
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lever
key
octave
coupler
levers
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS
    • G10H1/00Details of electrophonic musical instruments
    • G10H1/02Means for controlling the tone frequencies, e.g. attack, decay; Means for producing special musical effects, e.g. vibrato, glissando
    • G10H1/04Means for controlling the tone frequencies, e.g. attack, decay; Means for producing special musical effects, e.g. vibrato, glissando by additional modulation
    • G10H1/053Means for controlling the tone frequencies, e.g. attack, decay; Means for producing special musical effects, e.g. vibrato, glissando by additional modulation during execution only
    • G10H1/0535Means for controlling the tone frequencies, e.g. attack, decay; Means for producing special musical effects, e.g. vibrato, glissando by additional modulation during execution only by switches incorporating a mechanical vibrator, the envelope of the mechanical vibration being used as modulating signal
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10BORGANS, HARMONIUMS OR SIMILAR WIND MUSICAL INSTRUMENTS WITH ASSOCIATED BLOWING APPARATUS
    • G10B1/00General design of organs, harmoniums or similar wind musical instruments with associated blowing apparatus
    • G10B1/08General design of organs, harmoniums or similar wind musical instruments with associated blowing apparatus of harmoniums, i.e. reed organs

Description

(No MudeU J. LLOYD, Jr. KEY ooUPLBR FOR ORGANS. No. 479,434. Patented July 26, 1892.
l (i E NQ Ys( 3. V l WH y s 041 d. www?? j@ UNITED STATES PATENT OEEICE.
JOHN LLOYD, JR., OF RED BANK, NEIV JERSEY.
KEY-COUPLER FOR ORGANS.
SPECIFICATION forming part of Letters Patent No. 479,434, dated July 26, 1892.
Application led November 14, 1891. Serial No. 4ll,918 (N0 mden .To @ZZ whom it may concern:
Be it known that I, JOHN LLOYD, Jr., a citizen of the United States, residing at Red Bank, Monmouth county, in the State of New Jersey, have invented a certain new and useful Improvement in Key-Couplers for Organs and Analogous Instruments, of which the following is a specification.
The improvement applies to reed or pipe instruments which are worked by keys. It is capable in one adjustment of causing the depression of each key to sound not only its proper note, but also an octave below or an octave above. In another adjustment the coupler is out of use and the depression of the keys induces only their own proper notes to speak.
My coupler is also capable of adjustment in another condition, to which I attach especial importance. It attains the end, the importance of which has been long appreciated by musicians and which is ordinarily attained in playing with pedal-keys, of allowing` any two or other number of bass-notes to be depressed simultaneously, each giving its proper sound, with the ordinary effect of playing such chords, and causing the octave of only the lowermost to be sounded.
There are objections in the nature of inusic, well recognized in the theory of sounds, to producing the octaves of all of such notes simultaneously. The ear is pleased with a single chord of thirds and fifths; but if the octave of each is sounded the ear is offended. It adds brilliancy, force, and power to the instrument to sound the octave of the lowermost of any number of bass-keys that are depressed simultaneously and the uppermost of any number of treble-keys that are depressed simultaneously, leaving the others to sound singly in the ordinary way. My ininstrument can be adj usted to attain this. In the ordinary use of my instrument it will be so adjusted. For example, the player may depress the keys for 0, 113, and `G, and the octave of the lowest key, sometimes designated 0 0, one octave below 0, will sound; but E E and G G will not sound. A few moments later the player plays another chord, depressing D and .A, and simultaneously therewith the instrument gives D D, but does not give A A.
The accompanying drawings form a part of this specification and represent what I consider the best means of carrying' out the invention as applied to the bass-notes.
Figure 1 is a plan view showing the novel parts with the key-levers and other upper portions of the instrument removed. This iigure shows the work for only two keys and their octaves. All the entire series for the base portion are alike. A drawing and description of two will sulice for the whole. Fig. 2 is a vertical section on the line 2 2 in Fig. l, and Fig. 3 is a perspective view of one of my coupling-wires detached.
Similar letters of reference indicate corresponding parts in all the igures where they appear.
A is the reed-board; B, a valve turning on a hinge Z1,- 0, its actuating-spring, and D a push-pin or sticker performing its usual function of receiving the force of the key-lever E, turning on a center e. All these parts, as also all the parts not otherwise described or shown, may be of the ordinary form and arrangement and may perform their usual functions.
A is a rail supporting by iianges A2 and pins g a series of levers G, which I will term balance-levers.7 All are alike, and a description of one will sut'ce for all. The forward end of each balance-lever G is held up by a button D on the push-pin D, and also by a spring G', which extends forward and rests on an adjustable support Il, turning on an axis 7L, supported in the lixed framework. On the upper face of this lever is a tube G2, which extends upward, loosely embracing the push-pin I) up to the lower face of the key-lever. lVorking the key not only depresses the push-pin D, but also the front end of the balance-lever G, and correspondingly raises the rear end of the latter.
At a proper distance from the center on the rearward extension of each balance-lever is a regulating-screw G3, which attaches adjustably the button G4. When the key-lever is depressed and this balance-lever is tilted, it raises this button.
I I2 is one of my wires. The portion I is straight and is held in bearings ASAS, close to the upper face ot the reed-board. The arm I is pressed upon by the button G4. The opposite arm I2 extends across the top of a sec- IOO ond button D2, fixed at a proper level on a push-pin D an octave below the key which acts on the arm I', and is subjected to a depressing force exerted by a spring J. The force of this spring must be sufficient to depress the valve B in opposition to the gentle force of the'spring C, but must not be sufficient to equal the combined forces which ordinarily hold down the button G4. The coupling-wires l are made of such form and dimensions and are so mounted in the instrument that the button D2, acted on by any given arm l2, is always an octave below that of the key which operates the button G, which presses on its opposite end l. In other words, my coupling-wires extend, like other coupling-wires in instruments of this kind, always one octave. lVhen a key-lever E is depressed, it depresses its proper push-pin D, tube G2, and balance-lever G directly, raising regulating-button G4, which releases arm I and allows spring J, which rests on arm l2- one octave below, to depress button D2 and push-pin D.
I can throw my whole coupling mechanism out of use by a very simple movement.
K is a hinged piece lying in the position shown and connected to the reed-board by hinges k. lVhen this is in the position Shown by strong lines, it is of no effect and the coupling is allowed to act; but by simply turning this piece K up into the position shown in dotted lines it holds up the entire series of arms I2 against the force of their several springs J. With this piece K elevated the key-levers may be operated and each will sound only its proper note. None of the notes an octave below will be sounded. A third adjustment is the one to which I attach the most importance. It involves a number of additional parts, which appear in the rear of the button G4.
A4 is a rail supporting` flanges A5, which carry, by means of horizontal center pins Z, short levers L,one under the rear end of each balance-lever G. The rear end of each lever L is pivoted by a horizontal pin m to a hook M, extending upward and pressed forward by the gentle force of a spring N and in its ordinary position reaching over the rear end of the balance-lever G. lVhen the key-lever E is depressed and the balance-lever G is rocked, the extreme rear end of the latter acting through the rocker G5, which may be provided With ordinary adjustments and faced with cloth, engages the hook M and lifts it. This tilts the short lever L and depresses its forward end. The parts are so arranged that the forward end of each lever L lies over the arm I', not of its own coupling-wire I, but of the coupling-wire of the note immediately above it. The forward end of each lever L is also provided with a lateral extension or arm L', which extends over the forward end of the lever L for the note next above. The rear end of each leverLis also provided with a lateral arm L2, which extends across over the rear end of the lever L for the key next below. These are arranged obliquely, as indicated in Fig. l, so that they do not interfere with each other. It follows that the depression of the forward end of any one `lever L acts through its arm L to depress the forward end and similarly rock the corresponding lever of the note nextaboveandthat, throughitsarmLand of arm L2 of the note next above, it acts to depress the forward end and raise the rear end of thenotenextabove,andsoonthroughtheentire series, extending to the center line of the instrument. It will now be seen that the energy with which the player acts in playing any given note of the bass when the instrument 1s thus adjusted is transmitted through the key-lever E, tube G2,balance-lever G, hook M, and lever L and holds down with sufficient firmness on the Whole series of arms l of the notes above it, from that note to the center line of the instrument, and prevents their octaves from being sounded when any one of those keys above are simultaneously depressed. So soon as the key-leveris relieved all the parts are again restored to place. This entire series of levers L and their connections may be thrown out of action at will by forcing the several hooks M sufficiently rearward. This is done by a lever P, which extends the whole length of the series in front of the upper ends of the hooks M and is pivoted at each end at p. When this lever, operated by a suitable stop, (not shown,) is pressed rearward, it acts against the hooks M, pressing them so far rearward that they are out of the path of the levers G. Thus adjusted the instrument may be played and all the notes will sound their several octaves, as before described. lt will be rare, if ever, that the instrument will be used in this condition. The main use of this lever P and its connections throwing the hooks M and their connections out of gear is to serve simultaneously with the elevation of the piece K to avoid working the rear parts uselessly when none of the octavcs are being sounded.
In addition to other advantages my combination attains the important end of making the touch uniform whether the coupler is on or od.
Modifications may be made by any good mechanic without departing from the principle or sacrificing the advantages of the invention.
Parts of the invention can be used without the whole. I can work successfully with either of the lateral arms L or L2 without the other. It is sufficient that there is a reliable connection between each lever L and the adjacent one forthe next-highernote, so thatthe depressing of any key will not only cause the sounding of the note an octave below, but will also so operate through the levers L and their connections that the couplers for all the notes above up to the center line of the instrument will be thrown out of use, so that other notes may be played in the lower register of the in- IIO Strument in the ordinary manner without sounding their octaves.
It will be understood, as before intimated, that my invention is also applied to the upper register of the instrument, so as,when desired, to cause the several keys, in addition to their proper sound, to each produce a sound an octave higher. In such case the same provisions whichI have described for preventing any note but the lowest from sounding its octave may also apply to prevent any note but the highest from sounding its octave.
I claim as my invention I. In a reed or pipe organ, the coupler described, arranged to operate the coupled valve by a gentle yielding force, as herein specified.
2. In a reed or pipe organ, the coupler described, arranged to operate the coupled valve by a gentle yielding force, in combination with a stronger spring or set of springs which, unless prevented, hold the valves closed and with coupling-wires, as I I I2, arranged to prevent the action of such latter springs and to allow the valves to open when required, substantially as herein specified.
8. In a reed or pipe organ, the coupler described, arranged to operate the coupled valve by a gentle yielding force, in combination with a stronger spring or set of springs which, unless prevented, hold the valve closed and with mechanism operated by the key-lever for relieving the valve from the control of such stronger springs and allowing it to be opened, as herein specified. A
4. In a reed or pipe organ having coupling'- wires arranged to allow the depression of a key to open its proper valve and also to liberate and allow to be opened a valve giving the octave thereof, provisions, as the levers L and their lateral arms L', for holding out of action the Valves on one side of the octave of the one being played, so that only the eXtreme lowest and highest keys shall produce their octave-sounds, as herein specilied.
5. In a reed or pipe organ having couplingwires adapted to sound the octaves of the eX- treme keys, the levers L and the lateral arms L L2 thereon adapted to engage each lever L with the corresponding lever on one side thereof and to insure that the levers L on one side of the one being played shallbe operated,and thus to allow the sounding of the octave of the extreme key to compel the non-sounding` of the oetaves of others, the key -levers of which may be depressed simultaneously, as herein specified.
In testimony that I claim the invention above set forth I affix my signature in presence of two witnesses.
JOHN LLOYD, JR.
XVitnesses:
CHARLES R. SEARLE, M. F. BoYLE.
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