Patent ID: 7692528

Claim:
A rotary electronic component comprising: a rotary electronic component main body having an approximately ring-like shape and a hollow interior, the rotary electronic component main body including a positioning member which extends from an interior wall of the main body and towards the center of the hollow interior; an internal electrical component which is situated in the hollow interior; and wherein an external electrical component which is situated outside of the hollow interior, wherein a portion of the external electrical component rotates with the main body, the positioning member is in contact with a periphery of the internal electrical component, the positioning member extends from the interior wall partway between a top end and a bottom end of the main body so that a) a first hollow region of the hollow interior is situated below the positioning member and is occupied by a portion of the internal electrical component and b) a second hollow region of the hollow interior is situated above the positioning member and is occupied by a further portion of the internal electrical component wherein the external electrical component rotates independently of the internal electrical component.