| 摘要 |
A single-pull multi-function device for conveying signal and/or supplying power comprises a housing, a power converting assembly, a reel assembly, an elastic member, an electrical module, and a cable. The power converting assembly includes a power converting module, an electrical port, and a power plug for external power connection. The reel assembly includes a reel rotatably mounted with a central axle of the housing. The reel defines a cylindrical recess being coaxially therewith. The elastic member, which is disposed in the cylindrical recess of the reel, has one end connected to the central axle of the housing and another end connected to the reel. The electrical module includes electrical ports and a circuit board mounted on the reel. The cable, which is wound along the reel, is electrically connected to the electrical module at one end thereof and is electrically connected to a connecting port assembly at another end thereof.
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