| 摘要 |
<p>With the aim of interacting with a complementary locking mechanism the anticipated key more specifically its transverse profile can be additionally modified up to the point that apart from an enhanced number of possible combinations of various keys it will also be possible to significantly decrease the possibility of unlocking the lock by using a fake key. This can be achieved by physically preventing the insertion of a fake key featuring a sinusoidal profile. For this purpose the angle (alpha) between the skimmed lateral surfaces (1111, 1112; 1121, 1122; 1131, 1132; 1211, 1212; 1221, 1222; 1231, 1232) of at least one of the available grooves (111, 112, 113; 121, 122, 123) of the sine-shaped transverse profile (200) in the active area (1) of the key is between 15 and 45 degrees, preferably between 20 and 30 degrees larger than angle (beta) between the individual lateral surfaces (1111, 1112; 1121, 1122; 1131, 1132; 1211, 1212; 1221, 1222; 1231, 1232) of each of the currently available remaining grooves (111, 112, 113; 121, 122, 123).</p> |
