FIELD: locks.
SUBSTANCE: invention relates to a key with a key head and a key tube, as well as to a lock, in particular for receiving a key and a locking system, which includes a key and a lock. Wrench comprises head and tube (10). At that, key tube (10) includes swirl section (20), which is formed, in particular, by cold forming, along longitudinal axis (L) by several sections. Key tube (10) includes base section (26) at the transition section to twisting section (20). Cross-section (30) of key tube (10) projects at least sections beyond base section (26) in section (20) of twisting in direction of spout (70) of key.
EFFECT: enabling creation of an improved key, a lock and a lock system with an expanded possibility for encoding, in order to achieve a new safety quality.
25 cl, 7 dwg
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