DE379043C

DE379043C - Sound box for speech or similar devices

Info

Publication number: DE379043C
Application number: DEP44713D
Authority: DE
Original assignee: POLYPHONWERKE AG
Current assignee: POLYPHONWERKE AG
Priority date: 1922-02-10
Filing date: 1922-08-02
Publication date: 1923-08-14

Description

Patent-A ν Sprüche:Patent-A ν Proverbs:

1. Schalldose für Sprech- oder ähnliche Apparate, bei der der Nadelhalter zwischen auf einer Linie liegenden Reihen von Schneiden, Spitzen o. dgl. gelagert ist, wobei die eine Reihe der Schneiden, Spitzen1. Sound box for speech or similar devices, in which the needle holder between Rows of cutting edges, points or the like lying on a line are mounted, wherein which a number of cutting edges, tips

o. dgl. an der Schalldose angeordnet ist, 6c während die andere Reihe durch Federn angepreßt wird, nach Patent 377779, dadurch gekennzeichnet, daß das Anpressen der die eine Reihe der Schneiden o. dgl. tragenden besonderen Platte (d) durch fij» Blattfedern (t, t') bewirkt wird, derart, daß keine Relativbewegung zwischen den Federn und der Platte beim Schwingen des Nadelhalters stattfindet.or the like is arranged on the sound box, 6c while the other row is pressed by springs, according to Patent 377779, characterized in that the pressing of the special plate (d) carrying a row of cutting edges or the like is pressed by leaf springs (t, t ') is effected in such a way that there is no relative movement between the springs and the plate when the needle holder oscillates.

2. Schalldose nach Anspruch 1, dadurch gekennzeichnet, daß jede der Blattfedern ("f, t') eine gewisse Strecke weit konzentrisch zu dem Umfang des Dosengehäuse:; (α) im Abstand davon verläuft, wobei dieser Teil der Federn gegen das Dosengehäuse verstellbar ist.2. Sound box according to claim 1, characterized in that each of the leaf springs ("f, t ') a certain distance far concentric to the circumference of the can housing :; (α) extends at a distance therefrom, this part of the springs being adjustable against the can housing is.

Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.

Claims

The invention is directed to a sound box for speech or similar apparatus, in which the needle holder is mounted between rows of cutting edges, tips 5 or the like lying on a line, with one row of cutting edges, tips or the like on the Sound box is arranged, while the other row is pressed by springs. In a further development of the special plate protected according to patent 377779 , which is equipped with the cutting edges, points or the like under spring pressure, the essence of the invention is that the pressing of this special plate is effected by leaf springs, as they are during storage have already been used by sound box needle holders, but in direct action on the needle holder plate. In the present case, however, there is no relative movement between the leaf springs and the plate when the needle holder vibrates, so that the plate is held steadily and securely by the leaf springs.

Each of the two leaf springs expediently runs a certain distance concentrically to the circumference of the box body at a distance da \ 'on, this part of the springs against the Can body is adjustable.

One embodiment of the invention is shown schematically in the drawing, for example illustrated.

Α between the sound outlet cover and the η with the needle holder plate are combined p r cutting or tips or balls, r arranged which α in corresponding recesses of the housing and the plate resting p. There are also cutting edges or balls s, s' between the plate p and the particular plate d. The centers of all spheres lie in a plane parallel to the membrane.

For pressing the plate d , according to the invention, leaf springs are used, each of which is expediently a distance far concentric to the circumference of the can housing at a distance therefrom. This distance or this part t or t 'of each spring is fixed by a screw u or u on the sound box housing α. One more screw each z; z · ' with lock nut ζϊ. a / is used to adjust the spring pressure.