| 摘要 |
<p>A key kit for opening tumbler locks has a key member with a shaft insertable into a tumbler lock, the shaft having a series of longitudinally-spaced recesses into which the tumblers in the lock can respectively enter. A foil of impressionable material is removably positionable on the shaft over the recesses, and a tumbler displacing member is insertable into the lock with the shaft and foil to displace the tumblers without the tumblers engaging the foil. The tumbler displacing member being removable from the lock after the shaft and foil have been inserted therein to enable the key member to be manipulated to cause the tumblers to make impressions in the foil corresponding to the key shape required to open the lock.</p> |
