US1436771A - Musical transposing chart - Google Patents

Description

W. M. MELIN. MuslcM4 TnANsPosmG 0mm.

y Y Ammmou msn num.A 191s. l Patented No 28 1922 4 sains-SHEET n.

wits; @new 3mm l WMM/Eff@ Y m3 JH?! A /23 1291,91

W. M. MELING.

MUSICAL TRANSPOSING C HAHT. Amlcmo'u msn Aucas. 1919.

1 ,436,77 1 `fatemi/ed Nov. 28, 1922.

4 SHEETS-SHEET 2. im

v 9 b1 u lo M gg u, rf Q L s s i l u l s s l\ s ns S s s W. M MAELING.

MUSICAL TRANSPOSING CHART.

APPLICATION FILED AUG`5| 1919. 1,436,771 Patented Nov. 28, 1922.

4 SHEETS-SHEET 3.

W. M. MELING.

MUSICAL TRANSPOSING CHART.

. I APLlCATION HLED AUG- M1919. Pautend NOV. 28

4 SHEETS-SHEET 4.

and State of New York,

Patented Nov. 28, 1922.

narranv STATES PATENT OFFICE.

To a7! y107mm it New York city,

WALDEIVLAR M. MELING, 0F NEW YORK,

.MUSICAL TRANSPDSING GHART.

Application led August 5, 1919.

71mg/ concern.' l

M.. Marlins, residing at in the county of New ork have invented new and useful Improvements 1n Musical TransposingI Charts, ot which the following is a specification.

This

invention relates to transposill charts for music, and is particularly uselfu for teachers for crcises in all ot the clefs and keys gle sheet of musical characters,

of transposition giving pupils numerous exfrom a sinthe method being shown in a clear and concise manner whereby the pupil may readily learn to tran spose.

The chiet characteristic of this invention is to provide a and accurately chart of this character in transposed `.troni one key lo another without necessitating the operator first obtaining a thorough knowledge ot transposition hefore operating this device.

Another important obiect of this invention iS to in which tlie musical statir is a separate sheet characters,

i'ovide a chart of this character arranged upon from that of the musical movement of the whereby upon sheet bearing the musical characters, relaitively tothe first-named sheet, the composition will be changed from one key to another.

Another salient feature of this invention is to provide a key and signature belt which is cooperahle with cal chara cteis` indicate the key, moved as required notes on the staff.

the sheet bearing the musi- VVhen the belt is moved toY the sheet will be held or to correctly locate the Another object of this invention is to `provide a simple a nd eflic-.ient means for actuating the key signatures helt and controlling the action of the musical character sheet.

ln carrying out my invention, itis my purpose ha ving mounted for panel being spaced rollers over the musical characters to provide a panel to carry a sheet thereon and rectilinear movement, the

arranged between ai pair' of is trained a beit,A

which sheet bearing the lying the sheet musical characters. Overbearing the musical' chismebe easily i seriai No. 315,571.

ters yand also overlying said exposed belt portion, is a transparent sheet upon which is scoreda series of stais whereby the characters upon the sheet carried by the panel will be given their positions `upon the staffs. By moving the panel and the sheet bearing the musical characters transversely of' these stas, the characters will automatically assume a different key corresponding to the distance moved. That is tosay, assuming that the characters are arranged in the key of C, and it is desired to transpose them into the Vkey of D, the panel and sheet bearing the musical characters Willhe moved vertically so as to canse the key note oi the key of C which is on the first line below the stati in the treble clef to move to the first space below the staff. It will thus be seen that all of the musical characters upon the panel will be correspondingly moved and` thus changeV the characters from the key of C to the key of D.V l am fully aware of the fact that it has hitherto been proposed to transpose nrinsicalv characters by manipulation of panels and sheets, but as far as am' aware I am the first to transpose the characters hy moving them transversely of a stad.

Other objects the invention will appear as the specification is read in connection with the accompanying drawings, in which:

Figure 1 is a front'elevation of my chart constructed in accordance with my invention.

Figure 2 is a front elevation of my device showing the casing open;

Figure is a detail view ci the for moving the panel and belt.`

Figure 4 is atransverse section taken on the line 44'ofFigu mechanism igurei' isa, detail view of the rollers and be t.

Figure 6 is a detailed transverse sectional view of the panel and belt and o-l the shaft having' the" roller which (io-acts with the rack bar` shiftn the panel belt and rollers 'which carry t e belt.

Figure 7 is a` detailed View showing the shafts la and 21) in cross-section, andthe gears 19 and 21 in elevation.

VFig/ure 8 is a detailed perspective show ing: ai modified formi of the staff element.

Figure 9 Vis a horizontal` section showing the application of sain medtcticn.

Figure l() is an, inlarfged view ot the bar 29a per se.

Similar' letters designate fcerresp'onrliirgl parts inV Figures 1 7 to which niffrence will iirst be had.

A designates a rectangular casing formed of front and rear sections 1 and 2, respectively, which are hingedly connected' to each other to permit of readv access to the interior of the casing. rear section 2 at4 Athe inner sides of the side walls thereof are bearings 3, Figures2 and 3, in which are disposed stub shafts# having pins `8. Arranged in'aiial alinement with and below the stub shaftsfl are rollers 5 to the upper ends of kwhich sleeves 6 are fixed; the said sleeves 6 beingmovable endwise on the shafts 4 and through the nwardly-reaching portions of the bearings, and being equipped withslots 7 that receive the pins Sso that the shafts 4 and rollers 5 willturn together. i The lower end-s ot the rollers 5 areV movable endwise :upon journals 5. carried by and extendingupwardly from the lowe' end wall 5l `oi' the casing section 2. Connected to and extending hetween the lower` portions of the` rollers 5, so as to move up anddown therewith, is a bar 9 from which a rod lextends` downwardly and through `the wall 5*?, and is equipped with a handle 11. Manifestly vertical movement ot' the rollers will attend vertical movement of the rod 10.

Fixed to the stub shafts 4 are `beveled gears 12 ,intermeshed with beveled gears 13, Fixed on a. shaft 14, journaled in vertical extensions 15 on the bearings 3., One end of the shaft 14 is extended through one side walll of the section y2` and terminates in a handle 16. It will be seen from this construction that upon rotation of the Shaft 14 the rollers 5. will be rotated synchronously in the same direction.v The shaft Millas its intermediate portion appropriately threaded as at 17. while a` portion of the shaft adjacent to its right-hand end is sepiaredv in cross-section as at 18 to receive a slidable gear 19. Journaled in vand extending1 between the bearings 3 is a shaft 20 which is provided adjacent to the right-hand end thereo'lz with a gear 2l. the latter adapted to be engaged by the gear 19. whereby a turning movement will be imparted to the shaft 20 when the shaft 14 is rotated. The shaft 20 is also provided with a'gear 22 intermeshed with a vertically arranged'rack bar 23. The lower end ot secured to e. panel 2471110011. which the sheet 26 bearing the musical characters is to be placed. the panel being*` provided at its upper end with retaining members orclips 25 which serveto hold thesheet 26inproper position on the VVpanel. The pan`el24fV is of such a lengt-h esito permit rectilinear-move ment of the same when the rack bar`23 is Mounted' within theV the rack harVv is:

`through half the distance .moved through the medium of the gear 22 and the shaft 20. Thus it will be seen that I have provided means` foilrotating;Y the rollers" and simultaneously Vmoving the panel 24.

lnorde'axto Ymove Ythe panel and rollers a predetermined distance when transposing a series of musical characters from one hey to another, the shaft 14 has mounted thereon a nut 27 in engagement with the threaded portion 17 thereof. Said nut 27 is provided at its upper and lower ends with transversely extending grooves 28. Figure 4,V which receive rods 29, 29a. These rods are arranged above and below the shaft 14 and in parallel relation thereto, and are connected by means of bell crank levers 30, pivotally mounted at 30a, the vertical portions of the levers 3() being partially arcuate and receiving in their arcuate portions the shaft 14 is clearly shown in the drawings. The lower rod 29 is provided upon its upper edge with a series of teeth 31, any one ot which is engageable with a lug 32 formed on the lower end of the nut 27. The righthand end ot the upper rod with a depending arm 33, disposed in a groove 34 formed in a collar 35, the latter being integral with the gear 19.

Attention is directed to ,the fact that the ,gear 19V is provided with only one tooth, Figure 7, while the gear 21 is provided with a series of spaced notches 36. any one of which is adapted to receive the tooth of the gear 19 as will be understood.

In the device as shown the gear 21 will be moved: one-seventh of a turn to rotate the Shaft 20 a corresponding distance, whereby the panel will be moved to cause a correspending shifting of the musical characters, as will be hereinafter described as is necessary in connection with gear 22 to produce the desiredvertical movement of the sheet. Although I have described the specific means of actuating the rollers and panel, I wish it to be clearly understood that anyY suitable means may be employed for obtaining this result, without departingr from the spirit and scope of this invention.

W'ith particular reference to Figure S it will be understood `that in practice the proper proportion of the elements will be important inasmuch as for every7 turn of the handle 16 and the shaft 14 the rollers ,5 will make one turn and the belt 37 will be advanced a distance equal to the circumfeh ence of each roller 5. This distance should be the same as that between indicia as F (1 gear 19 the gears 21 and 22 should be turned one-seventh of a turn to shift the panel 24 between the lines of the staffs.

Trained over the rollers ,5 and connecting;r

the Same is a belt or apron 37 which has imprinted thereupon staffs and vertical sets of bass and treble clefs and the signatures of the several keys, the corresponding key and signature on one staff being in vertical alinement with the signatures upon the remaining staffs, While the treble and bass clots are arranged alternately throughout the vertical series, as is clearly shown in Figure 2 et the draivin Arranged directly below each ot1 the elet marks are the letters indicating the respective names ot' the keys which are to he exposed with the elet and key signatures, as will he hereinafter described. The stretch ot the helt B7 between the rollers 5 is adapted to underlie the panel 24 and is passed forwardly through a vertical slot 39 formed in the panel andy adjacent the letthand roller 5, whereby one vert-ical set ot key indicia will rest at the lett-hand side ot the sheet 26 and in exposed position. Thus the vertical series of clefs and key signatures will indicate the key ot the musical characters.

By particular reference to Figure 3 it will he understood that turning* of the shaft 14 about its axis Will be attende-d by rotation of the upright rollers 5 and the movement ot the sheet BTAtrom one roller to the other. One complete revolution of the shaft i4 is designed to turn the rollers 5 sutlicicntly ar to present a fresh vertical series of key signatures at the lett hand side ot' the sheet 26 in Figure E2. The thread l? on the shaft 14 is illustrated'conventionally in Figures Q and 3, but it is to he understood that in practice the said thread will he ot' such pitch that one complete revolution of the shatt will be attended by movement ot the nut 27 toward the right or the lc't't in Figure 3 for a purpose hereinafter set torthn It will also he understood that when the said sha it 14 is turned through one complete revolution the single tooth on the gear l5) will cooperate with the gear 2l to turn the shaft QI) and the spur gear QQ sulliciently fur to raise the rack 23 and the panel 24 to position the stati's ou the sheet Q6 relative to the said vertical series ot key signatures. It is evident that the members I9 and 2l must be in clutch in order to change the position of the pa nel and sheet. relative to the staffs, There- Vlore, the lug, r 32 to make this change must lic traveling;4 in one ol" the interdental spaces in the har 3l. Further movement o i the lids will cause the separation of the members l!) and 2l so that the movement ot the belt will not he accompanied hy a movement ot the panel. Such changes of key as `from any key to its flat or sharp as from D to D-tlat or from lP to F-sharp would be made Without a change ot the panel. Manifestly the depression of the bar 31 ivill be attended by rockingV of the levers 30, and the movement oi' the har Q9 toward the lett in Figure 3. with the result that against the action of the spring' 1S, the gear l2) will be moved out of the vertical plane ot' the gear 21 and consequently out of engagement with said gear 2l. ln this connection it will he noted that the belt 37 and the panel Q4 carrying the sheet 2G will he properly positioned whereupon the mechanism 3l, i9 and il will be stopped through the deiliression ot thc har 3l by the tooth 32 carried on the nut Qi". When the plane of a transposed composition is completed, and it is desired to provide another transposition, the operation described is repeated.

The tront section l of the casing A is provided with a rectangular opening 40 in which is suitably arranged a transparent sheet ot material 4l which is in this instance transparent celluloid, the sheet being of' such a size as to completely close the opening 40. This sheet 4l is provided With a plurality of musical staffs arranged transversely ot the sheet and in spaced relation to each other as at 42, While the inner vertical edge of the sheet is painted or other- Wise treated at spaced intervals to provide the opaque portions 43 and the intervening; transparent portions 44, the opaque portions 43 being provided with relatively small rectangular transparent portions 45, lt nih he seen from this construction that When the front section l is swung; so as to rest in front of the rear section 2 of the casing, the transparent sheet 41 carried by said section l. will be caused to overlie the musical sheet 2G, the stalls 42 upon the transparent sheet beingy so arranged as to position the musical characters upon the stali's, as is clearly shoivn in Figure l of the drawings. The opaque and transparent portions 43 and 44, respectively, will cover certain p0rtions ot the exposed part of the belt 37 so as to display the key signatures at one end ot the staffs 4Q upon the transparent sheet. The smaller transparent portions 45 are adapted to expose the names ot the keys arranged under each of the staffs on the belt 37.

From the foregoing construction it will be seen that when it is desired to change or transpose the musical characters upon the sheet 26 from one key to another, by actuating'the previously described mechanism through the medium of the shaft 1.4 and handle lr6. the musical sheet Will be moved upwardly or downwardly so as to cause the musical characters to assume different positions upon the stalis 4Q, While the belt 37 is simultaneously moved to expose the corresponding key signature. .lt will thus be seen that the musical characters are easily and quickly transposed from one key to another by a simple manipulation of the handle 16.

lf it is characters from desired to transpose the musical the treble to the bass or It is to be understood that vice versa, the rollers i are moved vertically or longitudinally upon the stub shafts l through the medium of the rod 10, so as to cause the treble signatures to be passed beneath the opaque portions 43, and thus cause the bass signatures to be exposed in the transparent portions ela. Suitable means (not shown) may be employed for locking the rod l0 in this position, whereby the musical characters upon the sheet 26 may be read in the bass.

In Figures 8 and 9, I have shown a modified lorm oi my invention. in which I provide the front section la of the casing With a spring-actuated roller 46, such as is used upon a common shade roller, the surface of the roller being provided at spaced intervals with annular grooves 4 7, each of which is adapted to receive a cord 18. The cords and grooves are arranged in series of fives to represent the corresponding lines of a musical stall', the inner ends of the cords being secured to the spring-aetuated roller, While the opposite extremities are connected together in series of tives by means of a bar 4,9, the medial portion ot' the bar 49 being provided with a loop which is adapted to engage a hook 5l suitably mounted upon the section 2a. In this embodiment of my invention, I have substituted the cords for the lines upon the transparent sheet, and eliminated the transparent sheet and thus permit ready access to the sheet bearing the musical characters, to correct or change the musical characters as the user may see fit.

when the bar 49 is disconnected from hook 51, the springr within the roller 46 will actuate the roller t0 Wind the cords thereupon, the grooves serving to keep the cords in their proper spaced relation. It will thus be seen that the cords may be readily removed from the surface of the musical sheet, and furthermore may be readily drawn into operative position.

and operation of be apparent to those skilled tion and minor details of construction may ent, is:

tion of the panel and forwardly throng slot of the panel and overlying the left-hand vertical portion thereof; said belt bearing vertical sets or signatures and key indicia, statt-bearing means through which the musical characters of the composition are visible; said staff-bearing means overlying the sheet bearing said characters, means for moving the panel reetilinearly transversely to the lines of the staifs, means for rotating the rollers to move the belt at right angles to the line of movement of the panel, and connections from the means for movin the panel to the means for rotating the ro ers, whereby the movement of the panel is con trolled relative to the rotation of the rollers.

2. In a music transposing device, the combination of means for a sheet bearing the musical characters of a composition, means movable rectilinearly behind the rst-named means and visible at the left hand side thereof; the secondnamed means bearing vertical sets of signatures and key indicia, staff-bearing means through which the musical characters of the composition are visible, said staff-bearing second means transversely to the lines of the staffs, the movement of the second means being controlled by the movement of the rst means.

In testimony whereof I aHX my signature.

VVALDEMAR M. MELING.

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