US1305829A - Chusetts - Google Patents

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US1305829A
US1305829A US1305829DA US1305829A US 1305829 A US1305829 A US 1305829A US 1305829D A US1305829D A US 1305829DA US 1305829 A US1305829 A US 1305829A
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arm
sheet
music
rod
key
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42DBOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D9/00Bookmarkers; Spot indicators; Devices for holding books open; Leaf turners
    • B42D9/04Leaf turners
    • B42D9/08Leaf turners having radial arms, one per leaf, operated successively

Description

W. U. MOWLL AND A. T. PALMER.

SHEET Music TURNER.

APPLICATION FILED NOV. 8. l9l5.

1 ,305,829. Patented June 3, 1919.

2 SHEETS-SHEET l.

ff E? W ALF/950 TPALMEH A TTV W'. U'. MOWLI AND A. T. PALMER.

SHEET MUSIC YURNEK.

APPLICATION FILED NOV. B. |916.

1 ,305,829. Patented June 3, 1919.

2 SHEETS-SHEET 2.

/NVENTQHS l/l/ALLEH U. M01/V41. ALFRED TPALMEH A TT'K UNITED STATES PATENT OFFICE.

WALLEE U. MOWLL, or KINGSTON, Am) ALFRED T. PALMER, or MEDEOED, MASSA- CHUSETTS; SAID PALMER ASsIGNoIt To SAID MowLL.

SHEET-MUSIC TURNER.

Specification of Letters Patent.

Patented June 3, 1919.

Application ined November s, 191s. serial No. 130,167.

To all 'whom t may concern;

Be it known that we, WAIIER U. MoWLL and ALFRED T. PALMER, citizens of the United States, and residents, respectively, of Kingston, in the county of Plymouth, and Medford, in the county of Middlesex, both in the Commonwealth of Massachusetts, have invented new and useful Improvements in Sheet-Music Turners, of which the following is a specification.

This invention relates to mechanism for turning the leaves of sheet-music on a pianoforte and its need is so apparent to those skilled in the musical art that no extended introduction is required.

The several objects attained in this invention are First,-A turning agency that will handle any sheet eiiciently, whether new and crisp or old and limp.

Second,-A substantial rest for the music which may be removed from the piano at will.

Third- Means whereby the shifting lever for each sheet covers that for the succeeding sheet Vand thus prevents improper manipulation.

Fourth,-Means whereby the said shifting lever may be swung aside to uncover that for the succeeding Sheet.

Fifth,-Auxiliary means for turning a loose central sheet.

SiXth,-Simplicity and cheapness of construction without impairment of eiii'ciency.

These, with minor features to be later explained, are illustrated, as one embodiment of our invention, by the accompanying drawings which form part of this Specification and in which,

Figure'l is a view of our invention in place on a music-rack.

Fig. 2 is an edge view of Fig. 1.

Fig. 3 is a partial, enlarged view of Fig. 1.

Fig. 4 is a plan view of Fig'. 3.

F-ig. 5 is a section on line 5-5 of Fig. 3.

Fig. 6 is a section on line 6 6 of Fig. 3.

Fig. 7 isa section on line 7-7 of Fig. 3.

Fig. 8 is a section (partial) on line 8 8 of Fig. 1.

Fig. 9 shows a modification.

Fig. 10 is a section on line 1010 of Fig. 9.

VOur device is illustrated as having three turning arms although it is understood that we-do not limit ourselves to this number,

which may be made greater or less, as desired.

These three arms will accommodate a piece of sheet-music comprising two folios and a loose central Sheet such as is illusvtrated in Fig. 1 where A and B represent the outer folio which is not to be turned, C and D the'inner folio and E the loose central sheet, the last three of which may be turned by arms F, H and G, respectively.

In Fig. l, all the arms are shown in position for turning although C, the first Sheet to be turned, has been swung to turned position without its arm F, for purposes of greater clearness in the description which follows.

Qur device consists, primarily, of a frame 1 provided with a series of ears or lugs, one of which, 2, is adapted to engage a socket formed in a bracket 3, the latter being secured, as by screws 4, to the ordinary musicrest 5. Ear 2 is designed to snugly engage bracket 3 to hold frame 1 firmly but removably in place; while an extension 6, on bracket 3, acts as a guide for ear 2 and also prevents marring of lthe `woodwork of the rest 5 while ear 2 is being inserted.

Two other ears 7 and 8 are bored to receive a rod or pivot 9 which is prolonged upwardly to act, in conjunction with blade 10, as a. grip to hold the center fold of the folios in place.k The` lower end of rod 9 is threaded to receive three nuts l1, 12 and 13, the first above and the two last below ear 8, thus firmly securing rod 9 to frame l. Other ears 14, 14 are bent to form auxiliary rests for the music sheets and ears 15, 15 project upwardly to help form a back support for said sheets. f

The arms F, Gr and H are similarly shaped buty different in length, although this difference is not essential. A description of arm G will suiiice for all three, as they are all pivotally connected to rod 9.

Arm G is preferably formed of a metal rod which extends upwardly behind the sheet it is to turn and has convolutions near the foot of the sheet for the double purpose of providing a rest 16 and a yielding grip 17. (Fig. 8.) Although this grip 17 Shown in the preferred form of our invern tion and is a desirable feature, it might be modified in the construction shown in Figs. 9 and 10 so as to form simply a cradle for the music-sheet, as will be later explained.

The horizontal l,extension '18 of .arm is firmly united at 19 and 20 to a pressed metal swing-arm 21 which is formed with two ears- 22 and 23 that pivotally engage rod 9.' -Between ears 22 and andY surrounding rod 9 is a coiled spring 24, one end of which is secured to swing-arm 21 at 25, the other end being1 securedto frame l'at 26. (Fig. 4.)

Spring 24: is under sufficient tension to carry arm G,with its sheet E,when released, from theposition illustrated to thrown position where the edge 27, of swing-arm 21 willv casing 30 formed with a series of horizontal` slots- 31 which are open at the right, each with a notched portion 32 6) and 'closed atV the left to form the stop l28.

' vThe free end of swing-arm`21 is adapted `to proj eet' through slot`31 and rest andinove along the'V lower edge thereof. Secured to lswing-arm 21, as byv rivets 33, is a leafspring 3-1 which, at its free end, is provided Vwith a finger-hold or key 35 and, intermediately, witha notch 36 adapted'toengage the notched portion 32 of slot 31 iso.-

that, in swung position, the edge 27 is sure' to take'k the impact of the blow againststopl 28 and thus prevent undue wear y,on 'rivets' 33 as would ensue ifthe-spring ',341 should directly engage the stop 2,8. 4 Y p It will be noticed, in Fig. 7, that the linger- "holds-B- are in superimposedposition, the upper projecting more than theother twoand the lower being the shortest. To understand .the reason lfor this it isxnecessary to discuss the form of blow requiredto release the arms. i i 'f W'hen a performer Vhas his mind centered on the notes of the'mus'ic he is playing, it is desirable .to presentA asv Vlitle distraction as possible in the turning movement. For this purpose,we have superimposed the keys 35 Y so that the performers finger may go to the same spot for each turn; and no particular feat ofl selection is required as he can reach but the key desired. The motion is a quick downward blow which carries leaf-spring 34 away from its notch 32,- the finger slipping forward and downward outof the path of swing-arm 21. Before the leaf-spring 34 can recover from the blow, coiled spring 24 has carried it forward and away from notch 32, after which, for the balance of the throw, leaf-spring 34 travels in Vcontact with the upper edge of slot 31 and, itself, meets no other stop, the swing being checked when edge 27 contacts with stop 28, as previously explained.V VTo re-set the arm, it is manually swung to the right until leaf-spring34lf automatically rengages notch 32, there being a slight play, in that position, between swingarm 21 and the frame 1, as seen in Fig'. l.

To prevent thev nger from accidentallyV of but one arm at a time andthat the one Y desired; for, to vengage arm G before arm F, the motion of the nger must be distinctly forward rather than downward and this forward thrust would be poorly calculated to clear the path of the released arm before Y its leaf-spring could rengageitsnotch 32.

f In Fig. 2, itrwill be noticed that blade 10' is formed or shaped toV lightlycontact the Vupper extension or free end of rod 9,1,to present a frictional grip at the center V.of .the folio -tobe turned.V This; grip', with that formed at 17, serves to keep the folio prop-f erly alined so that thefturn isneatlygmadek around rod 9 asa pivot.

Y These grips are suiiciently light to avoid any tendency toward tearing the paper, but,

in. turning a loose central sheet E, the grip ofrod 9 is absent and we find it desirable to provide a special,- auXiliary grip tov coperate with Agrip 17. One such gri-p is seen inv Fig. 1 and comprises a stiff spring-wire arm 37 having at its outer end a Vwound socket 38 adapted to loosely'envelopthe tip of'armrG and at its inner end a similarl socket for the tip of rodr9, the latter being supplemented f Y with an eXtra turn of. the wire to form the snap 39 to grip the'- sheet. As'rod 9-is sta- 5 Vtionary, snap 39 is madeto follow4 the sheet E as it turns by the Vwire connection 37 to armr G. disposed Vacross sheet E, the latteris held in position while turning. In Figl, sheetE isf.

shown so held and ready to turn, liberty having been taken, as before explained, toA

set arm F without its sheet C.

If the music has no central sheet,- the wirearm 37 may be deposited at the base of frame 1,- within the two hooks 40, the nut 13 being sufficiently in therway to cause a slight twist in arm 37 to insert and remove. This locking feature is well illustrated in Fig. 7.

As seen in the drawings, frame 1, with its various ears, is preferably formed from a single piece of sheet metal and the casing 30, with its open-ended slots 31, is adapted to fit into place after theV arms have been assembled upon rod 9, the lugs 29 passing through openings in .frame 1 .and clenched behind the same. We alsov prefer to provide a cover for casing 30 in the form of a semicircular cap l1 perforated for the passage of rod 9 and securedto frame l by `lugs l2.

.To obviate the necessity of soldering this lith these two grips, -V diagonally cap in position and thus prevent rapid disassembling, we form a lug 43 on'the down-` turned edge 44 of cap 41, said lug having a lip or catch 45 at its eXtremity that will readily engage the lower edge of an inturned lug 46 formed integral with casing 30. This is best seen in Fig. 5.

A series of washers 47 are preferably interposed between the ears 22 and 23 of the adjoining arms 21, asseen in Fig. 5.

In Figs. 9 and 10 is shown a modied form which dispenses with casing 30 and leafspring 34 and substitutes therefor a series of notched lugs 50 bent outward from the rame and a modification in the shape of swing-arm 21 wherein the upper leaf of said arm forms the catch and key and, to release, the entire arm must be depressed by warping slightly on pivot-rod 9, the same coiled spring 24 serving as the turning agency and the stop 28 being replaced by an ear 51 on the frame. In this form the grip 17 must be suliiciently weak to avoid any permanent derangement of the music sheet about its pivot rod 9 when the arm is warped to release the catch.

It will be noticed that arms F, Gr and H extend upwardly above the center of the sheets. While this is not essential, it is preferable where old music has become limp and would, otherwise, tend to buckle and fold while turning.

We do not limit ourselves to the precise Iorm of construction illustrated.

What we claim is:

l. A sheet music turner comprising a frame; an arm pivotally mounted in connection with said frame; a casing inclosing said pivotal mounting and provided with a slot for the projection of the ree end of said arm; a notch near one end of said slot; a key on said arm and movable in relation thereto; an attachment for securing said key to said arm, said attachment being adapted to occupy said notch; and means for swinging said arm when said key is manipulated to free said attachment from said notch.

z. In a sheet music turner, a plurality of pivotally mounted arms; means for separately swinging each arm; a key attached to each arm, each key being superimposed with relation to its successor; and a hooded portion connected with each key and positioned to protect its successor against untimely manipulation; in combination with a detent for each arm that is adapted for release through the manipulation of its key.

3. A plurality of swinging arms; a detent for each arm; independent means for swinging each arm; a key mounted on each arm and in movable relation thereto; means for causing each key, upon receipt of a downward blow from the linger of the operator, to release its arm from its detent; and protective mea-ns, mounted in connection with each arm and positioned to guard its successor against untimely release by said blow.

4. A swinging arm adapted to turn a sheet of music; means for swinging Said arm; a detent for said arm; a key mounted on said arm and positioned to receive a downward blow of the operators finger, when said arm is held by said detent; and means for causing the release of said arm from said detent, through the agency of said blow.

In testimony whereof, we have aiiixed our signatures in the presence of two witnesses.

WALLER U. MOWLL. ALFRED T. PALMER. Vitnesses:

CONRAD B. SHEVLIN, GEORGE LIBBY.

Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents, Washington, D. G.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040038793A1 (en) * 1997-09-30 2004-02-26 Lencoski Michael J. Method, machine and stock material for making folded strips

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040038793A1 (en) * 1997-09-30 2004-02-26 Lencoski Michael J. Method, machine and stock material for making folded strips

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