JPS633771U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a sectional view showing an embodiment of this invention, Fig. 2 is a sectional view taken along the line A-A in Fig. 1, Fig. 3 is a sectional view showing the operating state, and Fig. 4 shows the assembled state of the inner cylinder. FIG. 5 is a sectional view of the outer cylinder, FIG. 6 is a sectional view of the guard plate, FIG. 7 is a front view of an example of the disk tumbler, FIG. 8 is a perspective view of the key, and FIG. 9 is a sectional view of the outer cylinder. FIG. 8 is a sectional view taken along the line B-B in FIG. 8, FIG. 10 is a perspective view showing an example of a conventional locking device, FIG. 11 is a perspective view of a conventional inner cylinder, and FIG. 12 is a vertical sectional view of FIG. 10. be. 1...Outer cylinder, 15...Side bar engagement groove, 2...
...Inner cylinder, 3...Inner cylinder main body, 31...Side bar loading section, 32...Tumbler unit loading section, 34
...Det bolt mounting shaft, 4...Tumbler unit, 46...Disc tumbler, 5...Side bar.

Claims (1)

[Scope of utility model registration request] In the locking device comprising an outer cylinder having a side bar engagement groove formed on the inner surface, an inner cylinder loaded into the outer cylinder, and a side bar that appears and retracts from the shear line between the inner and outer cylinders and restricts rotation of the inner cylinder, The inner cylinder has a side bar and a tumbler unit loading part formed in the shaft part located in the outer cylinder, an inner cylinder main body having a dead bolt mounting shaft formed in the protruding part, and a side bar and a tumbler unit loading part that is removably loaded into the unit loading part. A locking device comprising: a tumbler unit incorporating a plurality of disc tumblers for regulating the operation of a bar.