AT77524B

AT77524B - Music stand with winding and unwinding drum for ribbon-shaped sheet music.

Info

Publication number: AT77524B
Authority: AT
Inventors: Bruno Pottere
Original assignee: Bruno Pottere
Priority date: 1916-05-02
Filing date: 1916-05-02
Publication date: 1919-08-11

Description

  

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Bei dieser Ausführungsform wird bei jeder Schaltung das Notenblatt um die gleiche Strecke fortbewegt.   Ausserdem ist die Anwendung eines Notenblattea   möglich, das auf beiden Seiten bedruckt ist. In diesem Falle wird bei Gebrauch der inneren Notenbandseite die Abwickeltrommel verkehrt   ill   das Gehäuse a eingelegt, wobei das Notenband in der in Fig. 6 strichliert gezeichnetenWeisezurLeitrolleläuft. 



   Durch die Anordnung der Klinke 90 ist die   Sperrstange     ? völlig unabhängig   von den)   Auslösemechanismus   und es wird daher das Federgehäuse bei jeder halben Umdrehung zuverlässlich gesperrt, ohne Rücksicht darauf, ob der Fusstaster 97 längere oder kürzere Zeit tätigt bleibt, da der Bolzen   95,   dessen Bolzenende in der Betätigungsstellung über der Klinke liegt, hei jeder Stellung des Winkelhebels über die Klinke 90 hinweggleitend, in seine Anfangsstellung gelangen kann. 



   Das Vor-bzw. Zurückbewegen des Notenbandes geschieht auf ähnliche Weise wie bei der ersten Ausführungsform, und zwar durch Aufstecken einer Kurbel oder dgl. auf das   vierkantig   ausgebildete Achsenende 64 der Auf- oder Abwickeltrommel, wobei vorerst durch   Niederdrücken,   der Taste 111 das Zahnrad 74 von dem   Zahnrad 7   ausgerückt und gleichzeitig der Bremshebel 106' durch die Stange 82 ausser Wirkung gebracht wird. Durch die Längslöcher   104     bzw. 110 df, 1   
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In this embodiment, the music sheet is advanced by the same distance with each switching. It is also possible to use a sheet of music which is printed on both sides. In this case, when the inner side of the note tape is used, the unwinding drum is inserted upside down into the housing a, the note tape running to the guide roller in the manner shown in broken lines in FIG.



   The arrangement of the pawl 90 is the locking rod? completely independent of the) release mechanism and the spring housing is therefore reliably locked with every half turn, regardless of whether the foot switch 97 remains activated for a longer or shorter time, since the pin 95, the pin end of which lies above the pawl in the actuated position, is called each position of the angle lever sliding over the pawl 90, can get into its initial position.



   The before or. Moving back the music tape is done in a similar way as in the first embodiment, namely by attaching a crank or the like. To the square-shaped axle end 64 of the winding or unwinding drum, initially by pressing the button 111, the gear 74 disengaged from the gear 7 and at the same time the brake lever 106 'is brought out of action by the rod 82. Through the longitudinal holes 104 or 110 df, 1
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Claims

EMI4.3 couple (71st hindm ched, which effects its progression, the winding and unwinding drums (2, 1) are inevitably connected to one another by gears (69).

5. music stand according to claim 4, characterized in that the spring mechanism ./ EMI4.4

6 music stand according to claim 5, characterized in that when the foot switch (97) is actuated with the interposition of a cable release (98), a bolt (95) is displaced counter to the action of a spring (94), which acts on one arm of an angle lever ( 89) EMI4.5 <Desc / Clms Page number 5> EMI5.1 rushes.

8. Note stand according to claims 1 to 7, characterized in that the port. Switching mechanism for the note tape (3) by means of a button (47, 111), lever or the like. Can be switched off from the winding or unwinding drum, so that the note tape can be returned or removed by a hand crank or the like to be placed on an axle end of the drums. can also be moved forward.

9. Note stand according to claim 5, characterized in that the locking rod (82) during its triggering movement simultaneously disables a brake lever (106) acting on one of the drums.

10. Note stand according to claims 8 and 9, characterized in that when down EMI5.2 Effect is brought about.

11. Note stand according to claims 1 and 8, characterized in that when a key (47) is pressed down by means of a spring-loaded angle lever (49), the gear (21) is disengaged from the gear (21a), at the same time the key rod end formed into a nose (55) pivots the lever (31) or puts the brake levers (31 and 33) out of action.

1. Note stand according to claim 1, characterized in that the front wall of the housing is formed into a frame (6). which is used to put on the usual sheet music