Patent ID: 9391403
Filing Date: 2016-07-12
CPC Classification: G06F,H01R

Claim Text:
1. A USB port locking device, comprising: a blocking member having a blocking coupling part insertively coupled to a USB port of an electronic device to block access of an external device; an external USB port part connected to the blocking member and to which an external USB connection port is insertively coupled; a signal connection part enabling signal transmission between a terminal inside the USB port of the electronic device and the external USB connecting port inserted into the external USB port part; a locking member selectively locked to the electronic device so that the blocking member is not forcedly removed in a state of being inserted into the USB port of the electronic device; a stopping member selectively blocking an unauthorized external USB connecting port from being inserted into the external USB port part; and a lock member movably provided on the blocking member, and selectively interfering with the locking member and the stopping member depending on a moving position, thus controlling a locking operation of the locking member and a blocking member of the stopping member.