Patent attributes
A locking zipper includes a zip retainer and a zip fastener for zipping two elongated engaging tracks locating alongside of each other. The zip retainer includes a retention base, and a locking head integrally extended from the retention base. The zip fastener includes a sliding base and a key-free locker which is integrally provided at the sliding base and is releasably engaged with the locking head. At a zipped position, the sliding base is slid to the retention base for zipping the engaging tracks with each other that the key-free locker is locked with the locking head to securely lock up the zip fastener with the zip retainer. At an unzipped position, the key-free locker is released from the locking head such that the sliding base is slid away from the retention base for unzipping the engaging tracks from each other.