AT72806B - Octave coupling for pianos. - Google Patents

Octave coupling for pianos.

Info

Publication number
AT72806B
AT72806B AT72806DA AT72806B AT 72806 B AT72806 B AT 72806B AT 72806D A AT72806D A AT 72806DA AT 72806 B AT72806 B AT 72806B
Authority
AT
Austria
Prior art keywords
pianos
octave
octave coupling
coupling
desc
Prior art date
Application number
Other languages
German (de)
Inventor
Hermann Wiedmer
Original Assignee
Hermann Wiedmer
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hermann Wiedmer filed Critical Hermann Wiedmer
Application granted granted Critical
Publication of AT72806B publication Critical patent/AT72806B/en

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  • Orthopedics, Nursing, And Contraception (AREA)

Description

  

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 Winkelhebels   47,   43 die Verbindungsstange 42 nach vorn gezogen und damit zugleich die Oktavenkupplung eingeschaltet. Eine bei 51 befestigte Feder 50, die an dem Verbindungsstück 42 angreift, sorgt dafür, dass die Vorrichtung bei Freigabe des Kniehebels 49 sofort wieder ausgeschaltet wird. 



  In Fig. 12 ist die Ruhestellung der Vorrichtung veranschaulicht. 



   Will der Spieler während des Spieles die Vorrichtung einschalten, so   drückt   er in der dargestellten Bassseite mit dem linken Knie den Kniehebel 49 in der Richtung des Pfeiles, dadurch setzt sieh der Winkelhebel 47, 43 in   Bewegung ; zieht   mittels der Querstange 42 die gleicharmigen Hebel 33, 34, 35 und 36 nach vorn, wodurch die Platte 24 gleichmässig und leicht nach hinten 
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 wieder aus. 



   PATENT. ANSPRÜCHE :
1. Oktavenkupplung mit   Wellen für Tasteninstrumente,   dadurch gekennzeichnet, dass die Wellen (10 mit den beiden parallelen Armen (6 und   7) unter der vorderen Hälfte der Tasten (67, 69)   rechtwinkelig zu ihnen derart gelagert sind, dass, wenn auf den einen Arm (6)   t, in Druckmittel (66)   der angesehlagenen Taste (67) wirkt, der andere Arm (7)   mitttds eines Zugmittels 68) die   andere 
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 Angle lever 47, 43 pulled the connecting rod 42 forward and thus switched on the octave clutch at the same time. A spring 50 fastened at 51, which acts on the connecting piece 42, ensures that the device is immediately switched off again when the toggle lever 49 is released.



  In Fig. 12, the rest position of the device is illustrated.



   If the player wants to switch on the device during the game, he presses the knee lever 49 in the direction of the arrow in the bass side shown with his left knee, thereby setting the angle lever 47, 43 in motion; pulls the equal-armed levers 33, 34, 35 and 36 forwards by means of the crossbar 42, whereby the plate 24 evenly and slightly backwards
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 out again.



   PATENT. EXPECTATIONS :
1. Octave coupling with shafts for keyboard instruments, characterized in that the shafts (10 with the two parallel arms (6 and 7) under the front half of the keys (67, 69) are mounted at right angles to them so that when on one Arm (6) t, acts in pressure means (66) of the button (67) that is lying down, the other arm (7) mitttds a traction means 68) the other
 EMI3.2

Claims (1)

bunden sind. are bound. 3. Oktavenkuppiung nach Anspruch l und 2, dadurch gekennzeichnet, dass die flachen schienen von ihrer Drehachse aus sowohl nach oben als auch nach unten abgeschrägt sind. 3. Oktavenkuppiung according to claim l and 2, characterized in that the flat rails are bevelled from their axis of rotation both upwards and downwards. 4. Oktavenkupplung nach den Ansprüchen 1 bis 3, dadurch gekennzeichnet. dass die oberen. EMI3.3 4. Octave coupling according to claims 1 to 3, characterized. that the top. EMI3.3
AT72806D 1913-10-20 1914-10-20 Octave coupling for pianos. AT72806B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE72806X 1913-10-20

Publications (1)

Publication Number Publication Date
AT72806B true AT72806B (en) 1916-12-11

Family

ID=5636253

Family Applications (1)

Application Number Title Priority Date Filing Date
AT72806D AT72806B (en) 1913-10-20 1914-10-20 Octave coupling for pianos.

Country Status (1)

Country Link
AT (1) AT72806B (en)

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