| 摘要 |
<p>The present invention relates to a safety lock including a cylindrical body in which is movably mounted a cylinder containing a safety mechanism which is constituted by pivoting blades meshing respectively with toothed wheels loosely mounted on an axis pin transversely connected to a cylinder and each provided with a notch adapted to be positively and drivingly connected to a catch for operating the lock mechanism, only after the notches are caused to coincide with the catch which initially is spaced from the wheels.</p> |
