Holder device for power supply rail

A holder device for a power supply rail, the holder device comprising:

• a main body part positioned inside a power supply rail and provided to be slidably movable in a rail direction;
• a head part rotatably coupled to the main body part, configured to fix a sliding movement position of the main body part inside the power supply rail, and formed to contact a pair of electrodes provided inside the power supply rail;
• and
• a fixing part formed to protrude to an outside of the main body part when the head part rotates and provided to support an inner side of the power supply rail in a state in which the sliding movement position of the main body part is fixed;
• wherein the main body part comprises a stepped part formed to be locked in the power supply rail and configured to expose the head part rotatably coupled thereto to an outside of the power supply rail.

A holder device for a power supply rail, the holder device comprising:

• a main body part positioned inside a power supply rail and provided to be slidably movable in a rail direction;
• a head part rotatably coupled to the main body part and configured to fix a sliding movement position of the main body part inside the power supply rail, the head part comprising a connection member to be connected to a holder;
• and
• a fixing part formed to selectively protrude to an outside of the main body part when the head part rotates and provided to support an inner side of the power supply rail in a state in which the sliding movement position of the main body part is fixed;
• wherein the head part is identical to the main body part in size and shape and is disposed on a same line as the main body part during rotation.