| 摘要 |
Locking and blocking devices for USB ports include a lock having a linear cam with a lock button at its back end, and a locking member pivotally connected at its back end to a retaining sheath such that forward sliding of the linear cam pivots the locking member outwards. The front end of the locking member is biased toward the interior of the lock. The locking member has protrusions at its front end configured for insertion into holes of a USB port. A blocking plate includes at least one opening configured for insertion of the retaining sheath. A retaining bracket has a back face that defines a first opening, wider than the cable that connects a plug to an external device. The front face of the bracket defines a second opening configured for insertion of the retaining sheath, and a third opening configured for insertion of the plug.
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