Sliding valve ear plug

Details Sliding valve ear plug Sliding valve ear plug

1991-12-23

1994-07-26

Gellner, Michael L.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

A61B 702

Patent

active

053328710

ABSTRACT:
A one of a pair earplug that has a hole through the center of it. When it is placed into a person's ear canal it enables them to hear sound from an outside source. It would be made from a material comparable to plastic. A valve in a small housing attached to the earplug is placed into their ear and ear canal to fit comfortably. The earplug, valve, and valve housing in the ear would work together to protect the wearer from loud noises only when needed and when the valve is activated to close by the wearer moving the valve fingerlatch. In the reverse when a person wanted to hear better they would manually regulate the earplug, opening the mechanical valve with the valve latch. The earplug openings would let the user hear through the hole in the earplug and valve body housing without removing the earplug. The person would then avoid losing the earplug, getting it soiled, etc. by taking it out of the ear to hear.

REFERENCES:
patent: 2390794 (1945-12-01), Knight
patent: 2754365 (1956-07-01), Walters
patent: 3702123 (1972-11-01), Macken et al.
patent: 3934100 (1976-01-01), Harada

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