The leading part of the lock is the cylinder mechanism. They come in several varieties. The most common is the Scandinavian oval or cylinder, as it is called by consumers. It differs from other locking devices by its rigid attachment, which completely prevents "hammering" inside
Advantages and disadvantages of the Scandinavian oval
The inner parts of the lock move its deadbolt and then fix them in a given mode. The lock is almost universal:
- Can be cut into doors of any modification;
- Increased strength and reliability;
- Long service life.
The disadvantage of the Scandinavian oval is weak resistance to frost. On entrance doors or garage doors, it can freeze due to condensation accumulating inside.
Example of a Scandinavian oval
Scandinavian cylinder 701 Inovo is used for installation in apartments, private homes, offices. It is mounted on both interior and exterior doors. Features:
- Protection - medium level;
- Keys are English type;
- The shape of the oval;
- 5 pcs. pins (+ one key for construction workers).
The absence of narrow channels and springs provides the mechanism with increased resistance to clogging and freezing, which makes it possible to use the Scandinavian oval in any conditions, even adverse ones.