Patent ID: 7232242
Filing Date: 2007-06-19
Classification: H01J

Abstract:
1. A lamp holder for a lamp with a single base, on which the base of the lamp is mounted by processes of contacting a second mounting face of the base with a first mounting face of the lamp holder and turning the base in a first turning direction with respect to the lamp holder, comprising: a plurality of first engaging portions with which a plurality of second engaging portions of the base is engaged so as not to be dismounted in a direction perpendicular to the first and second mounting faces, when the base is turned in the first turning direction; at least a first hooking portion with which at least a second hooking portion of the base is detachably hooked when the base is turned at a predetermined angle in the first turning direction; and a cantilever spring having at least a lamp holding spring provided as a stepped portion in generally a center of the cantilever spring, wherein the lamp holding spring is configured to apply a force for restricting turning of the base in a second turning direction opposite to the first turning direction under a condition that the second hooking portion of the base is hooked with the first hooking portion.