| 摘要 |
PROBLEM TO BE SOLVED: To provide a conversion type cylinder lock, capable of setting many variations in locking key codes, and capable of shortening the length in the axial direction.SOLUTION: A conversion type cylinder lock comprises an outer cylinder 1 and an inner cylinder 2 rotatably inserted into the outer cylinder, provided with a key insertion hole 20 in the axial direction and having a plurality of pin tumbler insertion pin holes 21 provided in a two-row shape communicating with the key insertion hole 20. A pin tumbler 3 is slidably inserted into the respective pin holes 21, and an annular tooth part 31 is formed in an outer peripheral part of the pin tumbler 3. A disk tumbler 4 stored in a first side bar 5 communicates with the respective pin holes of the inner cylinder 2, and is slidably inserted into a disk insertion groove 22. A disk tooth part 41 meshing with the tooth part 31 of the pin tumbler 3 is provided in the disk tumbler 4. The first side bar 5 is fitted to a side bar recessed part 23 of the inner cylinder 2, and a second side bar 6 is fitted to a fitting recessed part 54 of the first side bar 5. |
