| 摘要 |
<p>The device shall find application in the fabrication of numerous configurations of door locks, padlocks, etc. It improves the lives of the pins of the casing and guarantees protection along the line of the section formed between the core and the lock. The device consists of a key blank (22) including a common rentangular operating part (26) determining the safety key surface (30) having key profiles (32) machined which determine a key combination, and at least one replaceable component (40) fitted to the common rentangular operating part (26). The replacement movable component (40) is fitted in a direction, outward from the safety key surface (30).</p> |
