Disposable foam sleeve for sound control device and container th

Details Disposable foam sleeve for sound control device and container th Disposable foam sleeve for sound control device and container th

1998-03-30

1999-07-06

Le, Huyen

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

381330, 181130, H04R 2500

Patent

active

059206365

ABSTRACT:
An improved sleeve for mounting on the distal portion of a hearing aid or other sound control device to provide circumferential contact to the ear canal of a person into which the device is inserted. A currently preferred embodiment of the sleeve comprises a foam cylinder having an axial hole therethrough, with a washer-like disc axially aligned with the hole in the cylinder, the inner diameter of the disc being approximately the same as that of the hole through the cylinder. A knob-terminated sound delivery tube on the device snaps into the disc. A plurality of these sleeves can be stored in a novel tray-like container that permits removal only when a snap fit has been achieved between the sound delivery tube and the plastic disc. Used sleeves can be removed and stored in a separate compartment of the container.

REFERENCES:
patent: 2453238 (1948-11-01), Locke, Jr.
patent: 3983336 (1976-09-01), Malek et al.
patent: 4420657 (1983-12-01), Larkin
patent: 4466539 (1984-08-01), Frauenhoffer
patent: 4724922 (1988-02-01), Kalayjian
patent: 4880076 (1989-11-01), Ahlberg et al.
patent: 5002151 (1991-03-01), Oliveira et al.
patent: 5402887 (1995-04-01), Shillington
patent: 5415315 (1995-05-01), Ramirez
patent: 5682020 (1997-10-01), Oliveira

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