Ear protector

Details Ear protector Ear protector

1975-06-20

1977-07-26

Schroeder, Werner H.

Apparel

Head coverings

Convertible

A41D 2100

Patent

active

040372731

ABSTRACT:
An ear protector for excluding foreign material and noxious noise from the ear. The ear protector includes two units attached to a head strap which encircles the head of the user. Each unit includes a rigid ring which encircles the ear of the user and to which the head strap is attached, a resilient ring coaxially mounted on the rigid ring, and a flexible container into which a rigid ring and resilient ring are hermetically sealed.

REFERENCES:
patent: 1571471 (1926-02-01), Galayda
patent: 1873864 (1932-08-01), Ely
patent: 2447470 (1948-08-01), Valentine
patent: 2504826 (1950-04-01), Goldman
patent: 2609544 (1952-09-01), Berg
patent: 2898596 (1959-08-01), Keen

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