Image Number 8 for United States Patent #6619081.
Steel cable lock structure having an inner stop member movably and relatively rotatably fitted with one end of a lock casing. The center of the inner stop member is formed with a cross-shaped perforation. A core shaft extends through the perforation to rotatably connect with a driving member drivingly connected with the lock core. The circumference of the core shaft is formed with axially extending lateral ribs that extend into guide channels on the at least one lock bolt to connect the at least one lock bolt with the core shaft and enhance torque strength of the lock bolt structure. The core shaft is driven by the driving member to make an outward extending hook section of the at least one lock bolt lock or unlock a lock bolt hole of an article.