HEADPHONES HEADSET Russian patent published in 2017 - IPC H04R1/00 

FIELD: acoustics.

SUBSTANCE: invention relates to acoustics, particularly to earphones. Headset comprises head strap with flexible headband, earphones holders and mechanisms of adjustment and fixation of holders on head strap. Every mechanism of adjustment and fixation comprises base with recess. Holder includes strip, on one side is made concave, on other side is convex, in strip center slot is made, by convex side holder strip is arranged in base recess. Fastener with convex surface and hole is located in holder strip concave side. Clamping element is screw, passing through fastener hole and holder strip slot and fixed in base. Clamping element rod diameter is less than holder strip slot width. During adjustment process holder strip is installed in base recess with possibility of displacement in longitudinal plane and turning in transverse plane. At that, holders are made with Y-shaped bracket. in lateral cross-section external and internal sides are made of semicircular shape. Recess and fastener are also have semicircular shape in cross-section.

EFFECT: technical result is improvement in design reliability and ease of adjustment.

7 cl, 13 dwg