CONNECTING ELEMENT FOR ANTI-NOISE HEAD-PHONE HAVING TWO AXIS OF ROTATION Russian patent published in 2018 - IPC A42B3/16 

Abstract RU 2654421 C1

FIELD: instrument engineering.

SUBSTANCE: invention relates to an ear protection device, made in the form of a unit attached to the helmet with an anti-noise head-phone that includes a holder, anti-noise head-phone, lever having first and second ends, first end is located inside the holder, and an anti-noise head-phone is attached to the second end, and a spring that meshes with the holder and the first end of the lever.

EFFECT: lever is made rotatable around a first axis of rotation between its first position and the intermediate position and around the second axis of rotation between its intermediate position and the second position.

13 cl, 5 dwg

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RU 2 654 421 C1

Authors

Nordin Henrik

Nilsson Sigvard

Jonsson Emil

Dates

2018-05-17Published

2015-04-23Filed