| 摘要 |
<p>In the present invention there is disclosed a cylindrical lock with a cylindrical core (2), a cylindrical bush (1) and a flat key (3, 42, 48), in which the cylindrical core (2) is provided with a key slot (4), that is open in the direction towards a parting cylindrical surface (8) forming an interface between said cylindrical core (2) outer cylindrical surface and said cylindrical bush (1) inner cylindrical surface, whereby in the cylindrical core (2) there is arranged a blocking stirrup (45) bridging the key slot (4) and sliding in transverse recesses (28) performed in the cylindrical core (2) in the direction towards the cylindrical bush (1). The blocking stirrup (45) is arranged in the cylindrical core (2) inner region in proximity of the inserted flat key tip, whereby the cylindrical bush (1) is provided in the cylindrical core (2) outer region with a circular groove (23) open in the direction towards the parting cylindrical surface (8) forming the interface between said cylindrical core (2) outer cylindrical surface and said cylindrical bush (1) inner cylindrical surface in which the flat key (3, 42) locking projection (19) can be rotated and in the circular groove (23) region there is arranged in the cylindrical core (2) at least one sliding retention pin (29, 36) being provided on its end turned toward the flat key (42, 48) back (18) with a retention edge (35) bearing against a sprung pin (23) or over which the spring pin (32) is forced off from the locking projection (19).</p> |
