Importance

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Abstract

The present invention disclosed a elevating cable reel of single-layer winding type comprising; a main body installed on a ceiling or wall or a support of a predetermined shape and having a storage space therein; a drum rotatably accommodated inside the main body, and having a hollow therein, and a power cable being wound around a circumferential surface thereof; a driving motor disposed in the hollow to provide forward/reverse rotational force to the drum; a slip ring installed on a part of the drum to receive commercial power in a contact manner; and an elevating body suspended from the lower end of the power cable and installed to be elevated up and down. And, the power cable is wound in a single layer on the circumferential surface of the drum to prevent heat generation due to eddy current.

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First Claim