JP2010513753A5 - - Google Patents

Claims (19)

A locking system comprising a security reversible key (S) having at least two coding pin rows (Ai) on a flat side, a tumbler pin (3) and an assigned cylinder (Z), which rotates the cylinder By doing so, the locking or switching function (9) is executed,
Characterized by a concave recess (10) in the key tip (11) interacting with the convex structure (20) of the movable counterpart (21) in the cylinder,
As a result, when the key is fully inserted, the concave recess (10) will fit snugly with the convex structure (20) of the counterpart (21),
The key having no concave recess is locked out by the convex structure of the corresponding part (a), thereby preventing complete insertion, and the concave recess (10) starting from the key tip is In the direction of the key axis (x), it is first provided with a first slope (N1) with respect to the key axis, followed by a second slope (N2) with respect to the key axis, the second slope being Greater than the first slope, the concave recess (10) comprises a rounded concave area (13) in the x direction;
Locking system in which the coupling element (22) can be moved to the locking or switching position in the x direction by means of the counterpart (21). A cross-sectional plane (36) from the introduction surface (35) of the key tip portion forms an angle (W2) with respect to the center bisection plane (5) of the key, and the angle W2 is at most 15. The locking system according to claim 1, wherein the locking system is between 20 ° and 20 °.   Different variants of the concave recess (10i) can be obtained by different shapes and / or by arrangement in different parts (12.1, 12.2) of the key cross section and / or the central bisection plane (5) of said key. 2. Locking system according to claim 1, characterized in that it is defined by different angles (W2) of the introduction surface (35) of the key tip relative to. 4. Locking system according to claim 3 , characterized in that a distinct partitioning into independent market areas (Mi) is defined by different variants of the concave recess (10i). 2. Locking system according to claim 1, characterized in that the counterpart (21) is arranged on the movable coupling element (22) of the double cylinder or is formed as a separate part. In addition to the convex structure (20) , the corresponding part (21) also includes a concave pedestal area (25) corresponding to the convex shape of the key tip (11) adjacent to the concave concave part (10). The locking system according to claim 1, wherein: A key and cylinder manufacturing method for a locking system according to any one of claims 1 to 6 , wherein the concave part (10) of the key tip part (11) and the convex structure (20) of the corresponding part (21) are provided. A method characterized in that it is manufactured or licensed centrally, and that further coding of the key (S) and assembly of the cylinder (Z) can be performed in a distributed manner in further manufacturing steps. Key blank (S ') or security reversible for security reversible key (S) with at least two coding pin rows (Ai) on the flat side used with tumbler pin (3) and assigned cylinder (Z) A lock or switching function (9) is performed by rotating the cylinder,
Characterized by a concave recess (10) in the key tip (11) interacting with the convex structure (20) of the movable counterpart (21) in the cylinder;
The concave recess (10) is suitable to fit the convex structure (20) of the corresponding portion (21) when the key is completely inserted, and as a result, has the concave recess. No key blank or key is locked out by the convex structure of the counterpart (a), thereby preventing complete insertion;
The concave recess (10) starting from the key tip has a first slope (N1) with respect to the key axis in the direction of the key axis (x), and then with respect to the key axis. A second slope (N2), the second slope is greater than the first slope, and the concave recess (10) comprises a rounded concave area (13) in the x direction;
A key blank or key that allows the coupling element (22) to be locked in the x direction or moved to the switching position by means of the corresponding part (21). The first slope (N1) of the concave recess (10) relative to the key axis is between 0 ° and 10 ° , and the second slope (N2) of the concave recess is at least 40 °. The key blank or key according to claim 8 , wherein 9. A key blank or key according to claim 8 , characterized in that the concave recess (10) comprises an introduction area (7) for a coding pin row (A). Said concave recess (10) comprises in addition to the introduction area (7, 31) for the tumbler pin (3) , preferably also a section having a larger slope (N2.2) of at least 55 °. The key blank or key according to claim 8 . Key blank or key according to claim 8 , characterized in that the concave recess (10) also comprises a blocking groove (BN). The key blank or key according to claim 8 , characterized in that the width (b1) of the concave recess (10) is at least 20-40% larger than the width (b2) of the tumbler pin (3). A key blank or key according to claim 8 , characterized in that the width (b1) of the concave recess (10) is at least 50% of its length (l1). The key blank or key according to claim 8 , characterized in that the surface area of the cross-section (F1) of the concave recess (10) is at least 8% of the surface area of the cross-section (F) of the key. The concave recess (10) is made of a contoured milling cutter (40), the axis (41) of the milling cutter (40) being perpendicular to the x-axis and between 0 ° and 20 ° with respect to the y-axis . Key blank or key according to claim 8 , characterized in that it has an angle (W1) between. The concave recess (10) includes a rounded concave area (13) in the direction of the axis (x) of the key, and the radius (R) of the rounded concave area (13) is the key Key blank or key according to claim 8 , characterized in that it is less than or equal to at most 2 mm. The concave recess (10) comprises a key blank or a minimum distance (e) to the center bisection plane (5) of the key thickness (d) which is at most 10%, The key blank or key according to claim 8 . 9. A key blank or key according to claim 8, characterized in that the concave recess (10) is arranged in the coding pin row (A) and before the first coding position (P1).