Patent ID: 8148884

Claim:
An electrodeless discharge lamp comprising: a bulb having a discharge container containing a discharge gas inside thereof; a base for fixing and supporting the bulb; and a coupler member detachably fitted via the base to, and for exciting, the bulb, wherein the base comprises a metal frame for fixing the discharge container of the bulb, and a resin cover for covering a portion of the metal frame which portion faces the bulb, the metal frame having a base portion fitted to the coupler member, and post portions provided to stand on the base portion for fixing the discharge container of the bulb, the discharge container having a groove formed near a position where it is fitted to the base, the post portions of the metal frame and post portions of the resin cover which are formed corresponding thereto each having a hole formed at a position facing the groove of the bulb and extending in a direction perpendicular to an axial direction of the bulb, a metal piece that serves as a stopper which has a U-shape for preventing falling of the bulb being fitted into the hole, an end of the metal piece being fitted into the groove of the bulb.