FIELD: medicine.
SUBSTANCE: hearing-protecting device includes first and second bowls for ears and head element. Bowls for ears are kept in fixed position on protruding ends of head bow by traction by means of friction force of first end and first bowl for ear and second end and second bowl for ear.
EFFECT: application of invention allows to change bowl for ear easily, if it is damaged or if other level of sound decrease is desirable, user does not need to buy whole new device.
11 cl, 15 dwg
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Authors
Dates
2010-02-27—Published
2006-08-09—Filed