US1173185A - Rewind mechanism. - Google Patents

Rewind mechanism. Download PDF

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Publication number
US1173185A
US1173185A US79842413A US1913798424A US1173185A US 1173185 A US1173185 A US 1173185A US 79842413 A US79842413 A US 79842413A US 1913798424 A US1913798424 A US 1913798424A US 1173185 A US1173185 A US 1173185A
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valve
pneumatics
rod
motor
communication
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US79842413A
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Adolph P Gustafson
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M SCHULZ CO
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Schulz Co M
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10FAUTOMATIC MUSICAL INSTRUMENTS
    • G10F5/00Details or accessories
    • G10F5/04Tune barrels, sheets, rollers, spools, or the like
    • G10F5/06Driving or setting of tune barrels, discs, or the like; Winding, rewinding, or guiding of tune sheets or the like

Description

A. P. GUSTAFSON. REWIND MECHANISM. APPLICATION FILED-00131. I9l3' Patented Feb. 29, 1916.
3 SHEETS-SHEET I.
r I I l l l I I Illlllll |ll|| THE COLUMBIA PLANOGRAPH co. WASHINGTON, D. c.
A. P. GUSTAFSON. REWIND MECHANISM, APPLICATION FILED OCT. 31. m3.
1,1 73,1 85. Patented Feb. 29, 1916.
3 SHEETSSHEET 2.
x4 5. v ji J7 5 A. P. GUSTAFSON. REWIND MECHANISM. APPLICATION FILED OCT. 31. 1913.
Patented Feb. 29, 1916.
PP r UNITED STATES PATENT OFFIQE.
ADOLPH P. GUSTAFSON, OF CHICAGO, ILLINOIS, ASSIGNOR TO M. SCI-IULZ (10., OF CHICAGO, ILLINOIS.
REIVIND MECHANISM.
Specification of Letters Iatent.
Patented Feb. 29, 1916.
Application filed October 31, 1913. Serial No. 798,424.
To all whom it may concern Be it known that I, ADoLrH P. GusTAr- SON, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented a certain new and useful Improvement in Rewind Mechanism, of which the following is a full, clear, concise, and exact description, reference being had to the accompanying drawings, forming a part of this specification.
My invention relates to mechanical musical instruments of the kind in which a traveling music sheet brings about an automatic action of a piano or like device.
Prominent objects of the invention are to provide a simple and practical form of rewinding mechanism for the music sheet, to arrange for the ready and effective control of the same; to secure a quickness and certainty of action; to simplify and cheapen the cost of production; and to secure the foregoing and other desirable results in a simple and expeditious manner.
In the accompanying drawings, Figure 1 is a View partly in elevation and partly in section of a music sheet and operating mechanism therefor embodying my invention; Figs. 2 and 3 are sectional views of a part of said mechanism; Fig. 4. is a section of another part of the same; Fig. 5 is a cross section taken on line 5-5 in Fig. 4:; Fig. 6 is an elevation partly in section of another part of the mechanism; Fig. 7 is a plan view of the mechanism shown in Fig. 8; Figs. 8 and 9 are views of another part of said apparatus.
Referring first to Fig. 1, I show a music sheet 1, carried by the usual rolls 2 and 3 mounted in a frame 4, mounted on a cross piece 5. At the right hand side of the frame 4 is mechanism commonly called rewinding mechanism, consisting of devices for automatically drawing the music sheet across the tracker board 6 and returning or rewinding the same. As this particular mechanism in itself forms no part of my present invention I will not describe the same herein, as any desired type or form of mechanism can be used. I show, however, a sliding rod 7 arranged conveniently to slide below the cross piece 5, and carrying a cross member 8 which is associated or connected with the re winding mechanism in such a way that the member 8 upon a horizontal sliding movement of the rod 7 causes the rewinding mechanism to operate in either one way or the other. In the arrangement shown a movement of the rod 7 to the left will cause the music to be advanced over the tracker board, whereas a movement of said rod to the right will cause said music to be rewound. The rod 7 is provided with a finger piece 9, for sliding it to one side or the other, which finger piece 9 projects up through the horizontal piece 5 so as to be easily accessible to the hand of the operator.
In accordance with the arrangement herein shown for carrying out my invention the sliding rod 7 is provided at its left hand end with a sliding valve 10 arranged to slide upon a platform or support 11, a spring 12 being conveniently interposed between the valve 10 and member 5 to hold said valve closely upon its seat. The valve 10 is provided with a longitudinally extending passage 14 as best shown in Figs. 2 and 3, and the platform or seat 11 is provided with ports 15, 16 and 17, with which the valve 10 is arranged to cooperate, the passage 1% being adapted to connect either the ports 15 and 16, as shown in Fig. 3, or else to connect the ports 16 and 17. The ports 15, 16 and 17 communicate with tubes 18, 19 and 20, respectively. The middle tube 19 runs to some suitable air chest or duct in communication with the wind inducing apparatus of the instrument, as for example to an air chest or box in which a vacuum or partial vacuum is maintained by a bellows. The side tubes 18 and 20 run to a device 21 comprising a central block 22 on the opposite sides of which are mounted collapsible pneumatics 23 and 2 1. The central block 22 is to be secured firmly in position in the instrument and the pneumatics 23 and 21 are connected together by a cross piece or connection 25 which is adapted to cause the two pneumatics to move in unison as shown in dotted lines in Fig. 6. The tube 18 communicates by a passage 26, Fig. 6, with the right hand pneumatic E2 1 and the tube 20 communicates by a passage 27 with the left hand pneumatic 23. Thus when the valve 10 is actuated to connect the central port 16 with the right, hand port 17 (Fig. 3), assuming reduced air pressure to be used in the instrument, the left hand pneumatic 23 will be collapsed moving said pneumatics to the right hand position as indicated in dotted lines in Fig. 6. On the other hand when the valve 10 connects the ports 15 and 16 the right hand pneumatic will be collapsed moving the pneumatics to left hand position as shown in full lines in Figs. 1 and 6. A lever arm 29 is attached to one of the pneumatics 23 and in turn is connected with a link 30 which runs to a valve box 31. This valve box contains a valve 32 which is engaged by the hooked end 33 on the rod 30, so that when said rod 30 is moved to the left, Fig. 1, the valve 32 is swung up about its hinged connection 34 as shown in dotted lines in Fig. 4. The valve 32 controls a port 35 which communicates with a passage 36 which is understood to run to or be connected with a pressure reducing apparatus. A pipe 37 runs into one end of the box 31 which pipe is understood to run to the motor which is used for moving the music sheet. Thus when the valve 32 is opened a direct passage is opened between the duct 36 and the motor tube 37, thereby establishing direct and unregulated wind connection to the motor. The box 31 is also provided with a longitudinal slot 38 formed in its bottom and this slot is controlled by a valve 39 from which a rod 40 is extended.
The rod 40 is understood to be run upward to the vicinity of the music sheet and connected for hand operation so that the valve 39 when controlled would regulate the motor tempo, it being understood that the port or slot 38 is also connected with the wind inducing apparatus so that more or less pressure is permitted by the valve 39 to be available through the motor tube 37. In Fig. 1 I show a pointer or indicator 41 attached to a rod 42, the latter being understood to be connected by suitable intervening mechanism with the rod 40. The pointer 41 is placed in front of a scale 44 by which the tempo is indicated.
The pneumatic 23 is also shown connected with a rod 45 which extends to a second valve box 46 containing a valve 47 operated by the rod 45. This valve 47 controls a port 48 in a partition 49 so as to make and break communication between the chamber 50 and a pipe 51 which latter runs to the player action. The chamber 50 is understood to be in communication by a port 52 with the pressure reducing apparatus. Thus when the pneumatic 23 operates the valve 47 is also operated to open and close the port 48. Thus in operation the slide rod 7 will be actuated by the finger piece 9 to bring about a forward or backward movement of the music sheet 1. When moved to the left 'the music sheet will be advanced, and the valve 10 will connect the tubes 18 and 19, thereby collapsing the pneumatic 24, as shown in Figs. 1 and 6, so that the rod 30 operated by the lever 29 isthrown to the right, thereby closing the valve 32. This permits regulated wind to have communication with the mot-or, the speed of which is controlled by the tempo lever or indicator 41 connected with the rod 42, controlling the slide valve 39. At the same time the rod 45 is actuated to the left, as shown in Fig. 1, causing valve 47 to open the port 48 and thereby permit free communication between the chamber 50 and the action through the pipe 51. When, however, the finger piece 9 is actuated so as to slide the rod 7 to the right, the valve 10 connects the tubes 19 and 20, thereby causing the collapse of the pneumatic 23 and the shifting of the rod 30 to the left so that as the rewind takes place the valve 32 opens the port 35, thereby establishing direct or unregulated wind communication to the motor allowing the motor to rewind at full speed. At the same time the rod 45 is drawn to the right, thereby causing the valve 47 to close the port 48 and shut off wind communication to the action.
It will be understood that changes and modifications may be. made without depart ing from the spirit of the invention.
What I claim is:
1. Apparatus of the class specified, comprising in combination rewind mechanism, a slide rod for controlling the same, a pair of connected pneumatics a valve controlled bv said rod and in turn controlling said pneumatics and means whereby said valve may cause the actuation of either one or the other of said pneumatics, a valve controlling communication to the action connected with said pneumatics, and a second valve controlling communication to the motor also connected with said pneumatics.
2. Apparatus of the class specified, com.- prising in combination a rewind mechanism, a slide rod controlling said mechanism, a valve controlled by said rod, pneumatic tubes running from the valve seat for said valve, pneumatics to which said tubes are extended, said pneumatics being controlled by said valve and being connected for joint operation, a valve controlling communication to the action, said valve being connected with said pneumatics, and a second valve also connected with said pneumatics for controlling communication to the motor.
3. Apparatus of the class specified, comprising in combination a slide rod, a valve controlled by said rod, pneumatic tubes running from the matics to which said tubes are extended, said pneumatics being controlled by said valve and being connected for joint operation, a valve controlling communication to the action, said valve being connected with said pneumatics, and a second valve also connected with said pneumatics for controlling communication to the motor.
4. The combination of a slide rod, a valve operated thereby,
pneumatics connected to-' valve seat for said valve, pneugether and controlled by said valve, and a valve box containing a valve connected with said pneumatics, said valve being arranged to control communication between the motor and a. Wind inducing apparatus, and a second valve in said box also controlling communication to said motor.
5. The combination With a pair of connected neumatics of a valve controlling Wind connection With the action and a second valve controlling Wind communication to the motor, said valves being connected for simultaneous operation by said pneumatics.
6. The combination with a pair of connected pneumatics of a valve controlling wind connection With the action and a second valve controlling wind communication to the motor, said valves being connected for simultaneous operation by said pneu- Inatics, and a third valve associated With Copies of this patent may be obtained for five cents each, by addressing the said motor valve, said third valve being arranged for manual operation to regulate Wind pressure to said motor.
7. The combination With a pair of connected pneumatics, of a motor valve and an action valve actuated by said Pneumatics, and a movable member, said member forming a means for alternately opening one of said valves and closing the other.
8. The combination with a pair of connected Pneumatics, of a motor valve and an action valve actuated by said Pneumatics, and a movable member controlling the actuation of either of said valves.
In Witness whereof, I hereunto subscribe my name this 20th day of October, A. D.,
ADOLPH P. GUSTAFSON. lVitnesses A. L. J ONES, HAZEL ANN JONES.
Commissioner of Patents,
Washington, D. 0.
US79842413A 1913-10-31 1913-10-31 Rewind mechanism. Expired - Lifetime US1173185A (en)

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