Patent ID: 10619379

Abstract:
The invention relates to a key (1) for locking a cylinder lock, comprising at least one first surface (2) and at least one second surface (2′), with sensing positions (4) provided along the longitudinal extent of the key (1), wherein at least one code (3) is provided on the first surface (2) and wherein at least one further code (3′) is provided on the second surface (2′), the codes comprising control points (6, 6′, 7, 7′) at the sensing positions (4) that are provided transversely to the longitudinal extent of the key (1) and arranged at certain control heights (5), wherein at least at one sensing position (4) at least one control point (25, 25′) has a different dimension, preferably a larger diameter, on the two surfaces than a control point (6, 6′, 7, 7′) at another sensing position (4). The invention also relates to a lock for such a key and a system made up of at least two locks and at least one key.