Patent ID: 8755555

Claim:
Adjustable and convertible headphones comprising: a headband, having an end having headband holes formed therethrough; an adjustment member, having an end having adjustment member holes formed therethrough that are coaxial to the headband holes, a hollow formed in the interior thereof surrounding a pin protruding through said headband and adjustment member holes, and a tab radially intruding into the hollow; an earpiece, having an opening and a channel formed therein for receiving the adjustment member, the earpiece thereby slidably connected to the adjustment member; the adjustment member and the earpiece in combination including a detent mechanism for resisting sliding movement of the earpiece with respect to the adjustment member; and the end of the adjustment member being connected to the end of the headband by a hinge, the hinge including a spring mechanism disposed in the hollow and configured so that rotation of the adjustment member with respect to the headband in a first direction causes the tab to contact and compress the spring mechanism, and rotation of the adjustment member with respect to the headband in the second direction does not cause the tab to contact the spring mechanism, whereby the hinge is spring-loaded in a first direction and not spring-loaded in an opposite second direction.