H - Electricity – 04 – R
Patent
H - Electricity
04
R
349/86
H04R 1/10 (2006.01)
Patent
CA 1295410
ABSTRACT Apparatus for adjustably varying the tension intermediate the downwardly depending ends of a spring headband in a headset includes a longitudinally extending spring member having an arcuate shape and radius less than the intermediate portion of the headband, that is disposed on the top of the intermediate portion of the headband and stationarily connected to the headband at one end, a tension adjusting slider is disposed around the headband and the spring member for longitudinal movement so that the tension intermediate the lower ends of the headband is varied as the slider is repositioned. Fig.: 1
553290
Flygstad Dean W.
Mitches & Co.
Telex Communications Inc.
LandOfFree
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