Apparel – Head coverings – Convertible
Patent
1991-08-19
1994-03-15
Nerbun, Peter
Apparel
Head coverings
Convertible
379430, 381183, H04M 105, A42B 106
Patent
active
052936473
ABSTRACT:
A headset comprising: a headband, two ear cups, coupling means for rotatively coupling the ear cups to the headband for adjustably varying the location of each ear cup relatively to the headband and for simultaneously adjustably varying the pressure of each ear cup on the ears of the user. Securement means provide effective fixing of the ear cups in each chosen location. Moreover, the headset as a whole can be provided in a compact size for the purpose of carrying or keeping.
REFERENCES:
patent: 1087704 (1914-02-01), Adams-Randall
patent: 1649551 (1927-11-01), Smith
patent: 3682268 (1972-08-01), Gorike
patent: 4597469 (1986-07-01), Nagashima
patent: 5056161 (1991-10-01), Breen
Mirmilshteyn Gennady
Mirmilshteyn Isaak
Mirmilshteyn Michael
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