Key-operated mechanical lock

Claim 2

In a mechanical, key-operated lock, in which the actual information of the key is scanned by means of a mechanical scanner having a sensing element for each area of information and wherein the positions of the sensing elements are compared with the required information for opening the lock, which required information is contained in the lock in a mechanical storage means, and wherein the lock can be opened when the actual information and the required information coincide, the improvement which comprises a locking mechanism for said sensing elements, said locking mechanism locking said sensing elements after each sensing movement in their relative positions for a period of time, which is at least as long as the time required for the subsequent comparison of the sensed actual information with the stored required information.

Claim 3

The improvement as claimed in claim 1, wherein means are provided for mechanically setting different required information conditions at said required information storage means, and a storage means locking mechanism for locking such different required information conditions in said required information storage means.

Claim 4

The improvement as claimed in claim 2, wherein means are provided which operate in such a manner that, after insertion of a new key into the keyhole of the lock in unlocked condition and after sensing of the key and locking of the actual information of the new key transmitted to said lock, said actual information, during the course of the closure movement of the lock, is mechanically and automatically transmitted to the temporarily unlocked required information storage means and, after transmission, is locked as new required information by said locking mechanism for said storage means.

Claim 5

The improvement as claimed in claim 1, wherein information-bearing comparison elements for said actual information and information-bearing comparison means for the required information storage means are provided, said actual information-bearing comparison elements and required information-bearing comparison means being relatively movable to each other until mechanical contact between them is established, the relative movement reaching a maximum when said actual information and said required information coincide, said lock being capable of being opened only when said maximum relative movement has been obtained.

Claim 6

The improvement as claimed in claim 4, wherein each of said sensing elements is associated with a storage element of said required information storage means and the actual information condition transmitted to the lock consists in the locked position of all sensing elements (1, 2) in sensing direction while the required information condition consists in the locked position of all storage elements (10) in the sensing direction (AR), while the relative movement of the information-bearing comparison parts of the storage elements is effected in a direction transverse to the sensing direction (AR) relative to the sensing elements (1, 2).

Claim 7

In a mechanical, key-operated lock, in which the actual information of the keys is scanned by means of a mechanical scanner having a sensing element for each area of information and wherein the positions of the sensing elements are compared with the required information for opening the lock, which required information is contained in the lock in a mechanical storage means, and wherein the lock can be opened when the actual information and the required information coincide, the improvement which comprises a locking mechanism for said sensing elements, said locking mechanism locking said sensing elements after each sensing movement in their relative positions for a period of time, which is at least as long as the time required for the subsequent comparison of the sensed actual information with the stored required information, a stationary lock cylinder (15), the lock having a lock body rotatably arranged within said stationary lock cylinder, said lock body containing the lock elements of the lock, the axis of the keyhole of the lock extending parallel to the axis (5) of the lock cylinder while, by means of the inserted key (9), said lock body is rotatable by at least 180* about the axis (5) of the lock cylinder, said sensing elements (1,2) are arranged in the direction of the axis (5) of the lock cylinder in a row and adjacent each other and comprise axially movable sensing pins (1) and sensing members (2) secured to said pins (1), the axes of the pins and the planes of the sensing members (2), extending in planes perpendicular to the axis (5) of the lock cylinder, while the sensing members (2), in relation to the axis of the pins, have on one side locking notches (2a), and on the other side parts (2b) for comparing the informations.

Claim 8

In a mechanical, key-operated lock, in which the actual information of the keys is scanned by means of a mechanical scanner having a sensing element for each area of information and wherein the positions of the sensing elements are compared with the required information for opening the lock, which required information is contained in the lock in a mechanical storage means, and wherein the lock can be opened when the actual information and the required information coincide, the improvement which comprises a locking mechanism for said sensing elements, said locking mechanism locking said sensing elements after each sensing movement in their relative positions for a period of time, which is at least as long as the time required for the subsequent comparison of the sensed actual information with the stored required information, a stationary lock cylinder (15), the lock having a lock body rotatably arranged within said stationary lock cylinder, said lock body containing the lock elements of the lock, the axis of the keyhole of the lock extending parallel to the axis (5) of the lock cylinder while, by means of the inserted key (9), said lock body is rotatable by at least 180* about the axis (5) of the lock cylinder, said sensing elements (1,2) are arranged in the direction of the axis (5) of the lock cylinder in a row and adjacent each other and comprise axially movable sensing pins (1) and sensing members (2) secured to said pins (1), the axes of the pins and the planes of the sensing members (2), extending in planes perpendicular to the axis (5) of the lock cylinder, while the sensing members (2), in relation to the axis of the pins, have on one side locking notches (2a), and on the other side parts (2b) for comparing the informations.

Claim 9

The improvement as claimed in claim 6, wherein the storage elements (10) comprise flat plates extending in the plane of the associated sensing members (2), which plates contain the information-bearing comparison portions (10a) at one end, said plates being movable with their information-bearing comparison portions, thereby that the other ends of the plates are rotatable about an axis (11) which extends parallel to the axis (5) of the lock cylinder, the tangent of the circular arcs about said axis (11) extending at least approximately perpendicular to the sensing direction (AR) in the vicinity of the information-bearing comparison portionS, said storage elements (10) being provided with locking notches (10b) and having slot guides (10c), whereby the storage elements (10) are movable at least approximately parallel to the sensing direction (AR) on the shaft (11a) of the storage elements.

Claim 10

The improvement as claimed in claim 7, wherein a storage element actuator (14), common for all the storage elements (10), is provided, said actuator (14) being rockably mounted on the shaft (11a) for the storage elements, said actuator causing the pressing of the information-bearing comparison portions of the storage elements (10) against the information-bearing comparison portions of the sensing elements (1, 2) in elastic manner by spring means (F2).

Claim 11

The improvement as claimed in claim 8, wherein at least one locking rail (12) for storage elements is secured on the rotatable shaft (11a) of the locking elements, which rail is provided with locking ends (12a) engageable into said locking notches (10b).

Claim 12

The improvement as claimed in claim 9, wherein the locking mechanism for the sensing elements comprises a rockable locking rail (6b) engageable with a locking edge (6c) into said notches (2a), and an edge (6d), said rail (6b) being fixed on a rotatable shaft (6a) parallel to the axis (5) of the lock cylinder and that in one of the rocking positions of the rail (6b) the sensing elements (1, 2) are locked, while in the other rocking position the sensing elements are lifted.

Claim 13

The improvement as claimed in claim 10, wherein the rocking movements are transmittable by the rotation of the lock body by stationary cam or curve discs (K1, K2, K3) and contact cams (R1, R2, R3), associated with said cam discs, said cams (R1, R2, R3) being mounted on lever arms, said rocking movements being transmittable onto three lock elements, which rotate together with the lock body and which consist of the rockable sensing element locking shaft (6a), the storage element actuator (14) as well as the storage element lock mechanism (12).

Claim 14

The improvement as claimed in claim 11, wherein stationary obstructions (SP1, SP2 and K''3) are provided in the lock, and wherein the lock can be actuated from locked position to open position, and in the reverse, only if both the sensing elements (1, 2) are locked and also the storage element actuator (14) has performed the maximum possible relative movement against the sensing elements (1, 2) and the storage elements (10) are locked, said stationary obstructions preventing opening of the lock in other positions of the sensing elements and storage elements.

Claim 15

The improvement as claimed in claim 12, wherein one of the information-bearing comparison portions (2b or 10f) consists of catching curves and the associated information-bearing comparison portions (10a or 2f) consist of comparison points and that the actual information of the sensing elements (1, 2) is transmittable during the closure movement to the storage elements (10) in automatic manner.