| 摘要 |
A data plug, such as a USB connector, has a ball and socket joint so that it can be rotated, allowing several devices to be plugged into USB sockets which are close together. The plug has a first hollow spherical housing 361 and a second hollow spherical housing 371 which partially surrounds the first. Wires run through the two spheres. The plug can be used for a portable device (6, Fig 7) or as an adapter to a data transmission interface (4, Fig 6).
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