Patent ID: 7371086
Filing Date: 2008-05-13
Classification: H01R

Abstract:
1. An anti-unplugging unit attachable to a plug of a transmission cord and to be put in a jack of electronic or communications equipment with the plug for preventing unauthorized removal of the plug from the jack, said unit comprising: a latch member having an engaging portion for engaging a predetermined portion of a jack when the unit with the plug is inserted into the jack, lock means for selectively allowing or preventing release of engagement of the engaging portion with the predetermined portion of the jack, and a housing fixable to the plug and accommodating said latch member, said lock means, and an elastic member for elastically urging the latch member into engagement with the predetermined portion of the jack at its engaging portion placed in the jack, and wherein said lock means comprises a latch engaging member engaging the latch member and actuated for pressing said latch member against the elastic force of said elastic member, and a lock body to be operated with a key for actuating the latch engaging member.