Hearing device with locking system for connectors

1. Hearing device with locking apparatus comprising:

a first component ( 10 ) with a housing ( 11 ) being adapted to be carried outside of or at the human body;

a second component ( 20 ) to be inserted either partially or fully into an ear canal of a human body; and

a connecting means connecting mechanically said first component ( 10 ) and said second component ( 20 ), said connecting means comprising a tube ( 30 ) and a first fastener ( 31 ) being arranged at one end of said tube ( 30 );

said first fastener ( 31 ), being adapted to detachably connect said second component ( 20 ) with said connecting means;

said hearing device further comprising an individual locking element ( 5 ; 9 ) to be swiveled into retaining or locking surfaces arranged within said second component ( 20 ), thereby contacting outer surfaces of said first fastener ( 31 ) in its connected state with said second component ( 20 ).

2. Hearing device according to claim 1 , further comprising an opening arranged at the second component ( 20 ) for receiving at least a part of said first fastener ( 31 ), wherein at least one recess ( 24 ′) is arranged at the sidewall of said opening ( 24 ) providing said retaining or locking surfaces for said individual locking element.

3. Hearing device according to claim 2 , further comprising two recesses ( 24 ′) arranged at opposite sidewalls of said opening ( 24 ).

4. Hearing device according to claim 1 wherein said locking element is a thin locking plate ( 5 ), to be arranged transversally to the insertion direction of the first fastener ( 31 ) into said second component ( 20 ).

5. Hearing device according to claim 4 wherein said locking plate ( 5 ) has a rhombic shape and has an opening ( 7 ) arranged in its center.

6. Hearing device according to claim 5 wherein the locking plate ( 5 ) has rounded edges ( 6 ) at least at the smaller diameter of said locking plate ( 5 ).

7. Hearing device according to claim 5 wherein the opening ( 7 ) has a rectangular, triangular, square or hexagonal shape.

8. Hearing device according to claim 1 further comprising a second fastener ( 32 ) being arranged at the other end of said tube ( 30 ) and adapted to detachably connect said first component ( 10 ) with said connecting means.

9. Hearing device according to claim 1 wherein said tube ( 30 ) is a hollow tube with at least one end-to-end opened channel arranged within said tube ( 30 ).

10. Hearing device according to claim 1 , further comprising electric wires ( 38 ) and a solid wire ( 39 ) provided within said tube ( 30 ), said solid wire ( 39 ) being firmly attached to said first fastener ( 31 ) thereby forming a pull-out safety device.

11. Hearing device according to claim 1 wherein electric wires ( 38 ) are arranged within the tube ( 30 ).

12. Hearing device according to claim 1 wherein said second component ( 20 ) is an ITE-device having a faceplate ( 22 ) and a shell ( 21 ) connected to said faceplate ( 22 ).

13. Hearing device according to claim 12 wherein an opening ( 24 ) is provided in said faceplate ( 22 ) for entering said first fastener ( 31 ) into said shell ( 21 ) of said ITE-device.

14. Hearing device according to claim 12 wherein a cavity ( 27 ) is provided at said faceplate ( 22 ) arranged at the inside of said shell ( 21 ), wherein said cavity is either made as a part of said faceplate ( 22 ) or as a separate part attached to said faceplate ( 22 ).

15. Hearing device according to claim 1 wherein said locking element is a pin ( 9 ) with a substantially cylindrically shape.

16. Hearing device according to claim 15 wherein the pin ( 9 ) has truncated conically shaped ends ( 9 ′).

17. Hearing device according to claim 1 wherein a recess ( 31 ′) is provided at the back end of said first fastener ( 31 ) to receive said locking element ( 5 ; 9 ), having a shape that allows the locking element ( 5 ; 9 ) to be turned or swiveled around an axis perpendicular in relation to the surface of the back end of said first fastener ( 31 ).

18. Hearing device according to claim 1 further comprising a covering plate ( 25 ) covering the back end of said first fastener ( 31 ) in its inserted state within said second component ( 20 ).

19. Hearing device according to claim 18 with tongues ( 25 ′) arranged at the inner side of covering plate ( 25 ) to resiliently be plugged into respective receiving bores or openings arranged at the back end of said first fastener ( 31 ).

20. Method of detachably connecting a first component ( 10 ) and a second component ( 20 ) of a hearing device to each other by use of a connecting means, said hearing device comprising:

the first component being adapted to be carried outside of or at the human body; and

the second component ( 20 ) being adapted to be inserted either partially or fully into an ear canal of a human body;

said connecting means connecting mechanically said first component ( 10 ) and said second component ( 20 ), said connecting means comprising a tube ( 30 ) and a first fasteners ( 31 ) being arranged at one end of said tube ( 30 );

said method comprising the step of applying a detachable locking element ( 5 ; 9 ) for locking said first fastener ( 31 ) in said second component ( 20 );

said locking element ( 5 ; 9 ) being inserted transversally to the insertion direction of the first fastener ( 31 ) into said second component ( 20 ) and being swiveled or turned around the insertion axis to engage into recesses ( 24 ′) arranged in said second component ( 20 ) to fix said fastener ( 31 ) in its inserted state.