Disposable foam sleeve for sound control device and container th

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing

Patent

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Details

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:
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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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