Patent ID: 7428834

Claim:
A lock for locking a universal serial bus port comprising a shell having a front end opening and a rear end opening; a tongue mounted securely in the front end opening in the shell and having a distal end; a fastening end; a top surface; a bottom surface; two sides; and two locking protrusions formed on and protruding adjacently out from the top surface of the tongue; a slide being mounted slidably in and extending from the front end opening of the shell and having a distal end; a fastening end; two sides; a bottom surface; and two supporting wings being formed on the distal end of the slide respectively on the sides of the slide, protruding out from the bottom surface of the slide and selectively sliding through the front end opening of the shell; and a lock cylinder being mounted in the shell, being connected securely to the fastening end of the slide and selectively pushing out and retracting the slide relative to the shell.