Socket device

A socket device configured to receive a lamp device, the socket device comprising:na socket device body including an insertion hole, wherein, when the lamp device is attached to the socket device body, the socket device body is configured to bring a cap portion of the lamp device inserted into the insertion hole into direct and thermal contact with a heat radiating body; andan elastic body disposed on the socket device body, wherein the elastic body is configured to press the lamp device against the heat radiating body via the socket device body when the socket device body and the heat radiating body are connected to one another,wherein the socket device body is configured to move against the elastic body by an engagement of the cap portion of the lamp device with an inside of the insertion hole, andwherein the elastic body is configured to push the lamp device toward the heat radiating body while separating the socket device body from a fixture device to create a space therebetween.

A method comprising:nattaching a lighting socket device to a lighting fixture device, wherein the socket device includes an insertion hole;inserting a lamp device into the insertion hole of the socket device; andengaging at least a portion of the lamp device with an inside portion of the insertion hole, wherein the socket device is configured with an elastic member that causes, when engaging the at least a portion of the lamp device with the inside portion of the insertion hole, the lamp device to be pushed toward a heat radiating body and the socket device to be separated from the fixture device to create a space between the socket device and the fixture device.