Importance

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Abstract

A headset which is adjustable to two or more different levels of tightness. The headset includes a headband, and one or two earcups, each such earcup having an inner surface for engagement against the head of a user. At least one of the earcups includes a mounting bracket attaching the earcup to the headband. The mounting bracket is pivotally attached to the headband and to the earcup. An adjustment cam mechanism is associated with the headband and the mounting bracket for selectively adjusting the extent of outward pivotal movement of the mounting bracket with respect to the headband. This mechanism permits selective adjustment of the maximum at-rest distance from the inner surface of the earcup to the inner surface of the other earcup. Preferably the adjustment cam mechanism comprises a stop associated with an end of the headband, and a rotatable cam associated with the corresponding mounting bracket. The cam is engageable against the stop to limit the extent of outward pivotal movement of the first mounting bracket with respect to the headband. The cam may be rotated to two or more positions, making the headset adjustable to different degrees of tightness. The headset is comfortable for a range of head sizes and gives the headset user the ability to quickly and easily adjust the tightness of the earcups based on the conditions encountered, all without the use of tools.

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