US125113A - Improvement in music-leaf turners - Google Patents
Improvement in music-leaf turners Download PDFInfo
- Publication number
- US125113A US125113A US125113DA US125113A US 125113 A US125113 A US 125113A US 125113D A US125113D A US 125113DA US 125113 A US125113 A US 125113A
- Authority
- US
- United States
- Prior art keywords
- arm
- music
- arms
- head
- pawls
- 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
- 210000003127 Knee Anatomy 0.000 description 6
- 239000010985 leather Substances 0.000 description 6
- 210000002105 Tongue Anatomy 0.000 description 4
- 241000507564 Aplanes Species 0.000 description 2
- 210000003414 Extremities Anatomy 0.000 description 2
- 210000001847 Jaw Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 210000000056 organs Anatomy 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; 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
- B42D9/00—Bookmarkers; Spot indicators; Devices for holding books open; Leaf turners
- B42D9/04—Leaf turners
- B42D9/08—Leaf turners having radial arms, one per leaf, operated successively
- B42D9/082—Leaf turners having radial arms, one per leaf, operated successively actuated by hand
Definitions
- the first part of my invention relates to vibrating arms having each a circular head banded with rubber or leather, and working on a pivot in a suitable slotted frame, said vibratin g arms having movable upright arms attached, which may be adjusted to differentsized leaves, and are provided with spring-jaws at their tips they further can be turned down out of the way when desired.
- the second part of my invention relates to a sliding arm, the inner end portion of which is furnished with elongated cogs covered with leather or rubber to produce a fllClZlOll-SlllfttCQ bearing upon the betorementioned circular heads.
- Said slider has a gain or groove on its front side, in which matches a tongue formed upon the arm-frame, and is confined thereto by a spring and roller.
- This spring is secured to a block firmly fastened to the bed-piece, over which the sliding arm moves.
- the other end portion of this arm has four or more pawl-gains formed in it, two or more on either end, and is connected to the inner end portion by a hinge or pivot.
- the third part of my invention relates to a crosshcad having tongues and pawls working in guide-blocks. The pawls are so adjusted that they will engage the before1nentioned gains in the outer part of the sliding arm as the head is moved back and forth.
- a pawl-plate Just below this cross-head, and near to its center of motion, is placed a pawl-plate, firmly secured to the guideblocks.
- the use of this plate is to raise the pawls and prevent their engaging the left gains; for instance, when the right pawl carries the arm to the right, the operation being the same in the reverse motion.
- the fourth part of my invention relates to a combination of levers, springs, and stops, arranged to move the several parts, as desired, by the knee of the performer applied to the main lever, as hereinafter described.
- Figure 2 is a sidewise view of the invention 5 and Fig. 1, a top view, with the case partly removed, showing the working parts more fully.
- Fig. 3 is aplan of the under side of the instrument, showing the operating knee-lever and connections.
- Fig. 4 is aview sidewise, showing the sliding arm, cross-head, &c., in detail.
- A is the piano-forte, of the usual construction.
- B is the namefboard, into which I insert the arm-frame b, which receives the vibrating arms a a.
- O is the top rail of the piano-forte, which supports the music-rack.
- b is a slotted frame, in which the vibrating arms a a are pivoted, and u, the pivot passing through the frame I) and arm-heads a a. This pivot extends upward to hold the music in place, and is the central rod or pivot, about which the leaves are turned. It has also a spring-joint, by which it is turned down when the instrument is closed. 0 0 are movable vertical arms, having spring-jaws to hold the music-leaves.
- E is a sliding arm, having elongated cogs y, faced with leather, rubber, or the like, which impinges on the heads of the vibrating arms a a, and causes them to operate.
- This arm is in two parts, connected by a hinge or pivot joint, 2, and the right-hand end has on its top face four gains, into which the pawls h h engage when the apparatus is operated.
- d is a spring secured to block 0, having aroller on its end, which presses on arm E and confines it against the arm-frame.
- F is a cross-head working in guides G G, and placed in such relation to arm E that its pawls will engage the arm by dropping into the gains on its top face.
- j is an arm pivoted to the cross-head F and connected with arm J J is an arm formed to fit a post passing through the bottom of the piano-forte, and having on its lower end an arm, P, shown also by dotted lines.
- Z is a knee-lever pivoted on the under side of the instrument, and extending to the front, where the forked end 0 receives the knee of the perform er, by which it is operated.
- This knee-lever is supplied at the rear end with springs and stops m m and saw placed upon either side to carry it back after each operation.
- 7c is a lever connecting the kneelever I with the lever P, causing the parts to operate.
- F, Fig. 4 shows the position of the pawls h h in the cross-head.
- a is a block, to which are secured the springs m m, and is firmly secured to the bottom of the instrument.
- t is a pawlplate fastened to and connecting the guideblocks G G over the right-hand end of arm E and under the cross-head F. It serves to prevent the engagement too soon of either pawl with its respective gains.
- the cross-head F connects the knee-lever and its movements with the sliding arm E by means of the pawls taking into the gains or notches in the upper face of the latter, back and forth alternately.
- m are studs for the springs m m to bear against, and thus cause the knee-lever l to rest in th center of its movement.
- the vibrating arms being turned to the right, place the knee in the fork 0 at the front of the instrument, and move it gently to the right hand.
- One of the pawls will engage the arm E and carry one of the arms a a to the left,
- the slotted arm-frame b in combination with the arms a a c c and pivot u, substantially as described 2.
- the jointed arm E having the elongated cogs y y, spring 01, and roller 1', substantially as described.
Landscapes
- Electrophonic Musical Instruments (AREA)
Description
(IHARLES I. ADKiNS.
impsovement in Music Leaf Turners.
N0.125,113. PatentedAprH2,1872.
CHARLES I. ADKINS, OF PATASKALA, OHIO.
IMPROVEMENT IN MUSIC-LEAF TURNERS.
Specification forming part of Letters Patent No. 125,113, dated April 2, 1872.
SPECIFICATION.
1, CHARLES I. ADKINS, of Pataskala, in the county of Licking and State of Ohio, have invented certain Improvements for Turning Leaves of Music used on the piano, melodeon, or organ, of which the following is a specification:
Nature and Object of my Invention.
The first part of my invention relates to vibrating arms having each a circular head banded with rubber or leather, and working on a pivot in a suitable slotted frame, said vibratin g arms having movable upright arms attached, which may be adjusted to differentsized leaves, and are provided with spring-jaws at their tips they further can be turned down out of the way when desired. The second part of my invention relates to a sliding arm, the inner end portion of which is furnished with elongated cogs covered with leather or rubber to produce a fllClZlOll-SlllfttCQ bearing upon the betorementioned circular heads. Said slider has a gain or groove on its front side, in which matches a tongue formed upon the arm-frame, and is confined thereto by a spring and roller. This spring is secured to a block firmly fastened to the bed-piece, over which the sliding arm moves. The other end portion of this arm has four or more pawl-gains formed in it, two or more on either end, and is connected to the inner end portion by a hinge or pivot. The third part of my invention relates to a crosshcad having tongues and pawls working in guide-blocks. The pawls are so adjusted that they will engage the before1nentioned gains in the outer part of the sliding arm as the head is moved back and forth. Just below this cross-head, and near to its center of motion, is placed a pawl-plate, firmly secured to the guideblocks. The use of this plate is to raise the pawls and prevent their engaging the left gains; for instance, when the right pawl carries the arm to the right, the operation being the same in the reverse motion. The fourth part of my invention relates to a combination of levers, springs, and stops, arranged to move the several parts, as desired, by the knee of the performer applied to the main lever, as hereinafter described.
Description of the Accompanying Drawing. Figure 2 is a sidewise view of the invention 5 and Fig. 1, a top view, with the case partly removed, showing the working parts more fully. Fig. 3 is aplan of the under side of the instrument, showing the operating knee-lever and connections. Fig. 4 is aview sidewise, showing the sliding arm, cross-head, &c., in detail.
General Description.
A is the piano-forte, of the usual construction. B is the namefboard, into which I insert the arm-frame b, which receives the vibrating arms a a. O is the top rail of the piano-forte, which supports the music-rack. b is a slotted frame, in which the vibrating arms a a are pivoted, and u, the pivot passing through the frame I) and arm-heads a a. This pivot extends upward to hold the music in place, and is the central rod or pivot, about which the leaves are turned. It has also a spring-joint, by which it is turned down when the instrument is closed. 0 0 are movable vertical arms, having spring-jaws to hold the music-leaves. These vertical arms, at their lower ends, slide upon the horizontal arms a a, as shown, and, when pushed to their outer cylindrical extremity, may also be turned down out of the way of closing the instrument. A set-screw may be employed to hold the vertical portions at any desired point. E is a sliding arm, having elongated cogs y, faced with leather, rubber, or the like, which impinges on the heads of the vibrating arms a a, and causes them to operate. This arm is in two parts, connected by a hinge or pivot joint, 2, and the right-hand end has on its top face four gains, into which the pawls h h engage when the apparatus is operated. d is a spring secured to block 0, having aroller on its end, which presses on arm E and confines it against the arm-frame. F is a cross-head working in guides G G, and placed in such relation to arm E that its pawls will engage the arm by dropping into the gains on its top face. jis an arm pivoted to the cross-head F and connected with arm J J is an arm formed to fit a post passing through the bottom of the piano-forte, and having on its lower end an arm, P, shown also by dotted lines. Z is a knee-lever pivoted on the under side of the instrument, and extending to the front, where the forked end 0 receives the knee of the perform er, by which it is operated. This knee-lever is supplied at the rear end with springs and stops m m and saw placed upon either side to carry it back after each operation. 7c is a lever connecting the kneelever I with the lever P, causing the parts to operate. F, Fig. 4, shows the position of the pawls h h in the cross-head. a is a block, to which are secured the springs m m, and is firmly secured to the bottom of the instrument. t is a pawlplate fastened to and connecting the guideblocks G G over the right-hand end of arm E and under the cross-head F. It serves to prevent the engagement too soon of either pawl with its respective gains. The cross-head F connects the knee-lever and its movements with the sliding arm E by means of the pawls taking into the gains or notches in the upper face of the latter, back and forth alternately. m are studs for the springs m m to bear against, and thus cause the knee-lever l to rest in th center of its movement.
Operation of the Machine.
The vibrating arms being turned to the right, place the knee in the fork 0 at the front of the instrument, and move it gently to the right hand. One of the pawls will engage the arm E and carry one of the arms a a to the left,
and. with it the music-leaf previously placed on the rack in connection with the jaws of the vertical arm 0. Repeat, and the next arm will pass to the left in a similar manner. Reverse the movement and the arms will pass to the right.
WVhat I claim, and desire to secure by Letters Patent, is-
1. The slotted arm-frame b, in combination with the arms a a c c and pivot u, substantially as described 2. The jointed arm E, having the elongated cogs y y, spring 01, and roller 1', substantially as described.
3. The cross-head F and pawls h h, in combination with the guide-blocks G G and pawlplate t, substantially as herein described.
4. The knee-lever l, springs m m, and studs :1; w, in combination with a music or other leaf turner, constructed substantially as and for the purpose set forth.
his CHARLES I. +ZADKINS.
mark. Witnesses:
JAMES S. GRINNELL, J. M. BLANOHARD.
Publications (1)
Publication Number | Publication Date |
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US125113A true US125113A (en) | 1872-04-02 |
Family
ID=2194542
Family Applications (1)
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US125113D Expired - Lifetime US125113A (en) | Improvement in music-leaf turners |
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- US US125113D patent/US125113A/en not_active Expired - Lifetime
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