Abloy Oy

Jouni Tirkkonen

Pauli Havukainen

Keijo Kinnunen

A combination of a disc tumbler cylinder lock and a key. The disc tumbler cylinder lock includes rotation limiting device for the key and a guiding element. The key includes grooves for the guiding element, which has two rails making up some of said rotation limiting device, and both of the rails include at least one limiter protrusion arranged to facing inward in the disc tumbler cylinder lock. The key includes at least one recess for the limiter protrusions. The rotation limiting device further includes a front guide having the rails in association therewith. The front guide and the rails are arranged to allow the key, which is in a basic position in the disc tumbler cylinder lock, to be turned for releasing the locking of the disc tumbler cylinder lock.

Disc tumbler cylinder lock and key combination

A padlock having a key intended to unlock another lock. The other lock can be a padlock or some other locking structure. The key is inserted into a bore made in the body of the padlock, intended for one end of the shackle. To fit the key into the bore, its blade section is pivotable relative the shank of the key, and the blade section is adapted, in a first position of the blade section, to be at least partially received into the bore. The shank of the key can be received into the bore as well.

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Joensuu, Finland

Jouni Tirkkonen