# US 8,539,802 B2 · Movement transmission device and method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,539,802 B2 - Document ID: US8539802B2 - Status: Granted - Kind: B2 - Application number: 10/556,012 - Filed: 2004-05-07 - Published: 2007-06-21 - Granted: 2013-09-24 - Earliest claimed: 2003-05-09 - Assignees: Simonvoss Technologies AG - Applicants: Herbert Meyerle - Inventors: Herbert Meyerle - Web page: https://patentgrep.com/patent/US8539802B2 ## CPC - E05B 47/0673: {with a rectilinearly moveable blocking element} - E05B 47/0642: {axially, i.e. with an axially disengaging coupling element} - E05B 47/068: {axially, i.e. with an axially disengaging coupling element} - E05B 47/0692: {with a rectilinearly moveable coupling element} - E05B 47/0006: {having a non-movable core; with permanent magnet} - E05B 2015/0448: {Units of springs; Two or more springs working together} - E05B 2047/0031: {of the elastic type} - E05B 2047/0079: {Bi-stable electromagnet(s), different pulse to lock or unlock} - E05B 2047/0093: {including means for preventing manipulation by external shocks, blows or the like} - Y10T 70/443: Single stem or shank - Y10T 70/5416: Exterior manipulator declutched from bolt when dogged - Y10T 70/5823: Coaxial clutch connection - Y10T 70/5978: With switch - Y10T 70/7062: Electrical type [e.g., solenoid] - Y10T 70/7751: With ball or roller - Y10T 70/7949: Yielding or frangible connections - E05B: LOCKS; ACCESSORIES THEREFOR; HANDCUFFS - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A device and a method are provided for transmitting a movement as well as corresponding forces or moments and in particular a rotational movement, wherein the transmission only takes place in a coupled state but not in a decoupled state. Devices and methods of this kind are in particular used in the field of lock devices, such as door or safe locks and the like. The device, in particular for a movement as well as corresponding forces and/or moments comprises a drive and a take-off, wherein the drive and take-off are coupled via a coupling element in such a manner that in the decoupled state a movement of the drive causes a movement of the coupling element which is not suitable for transmitting a movement of the drive to the take-off. ## Claims ### Claim 1 A device for transmitting a movement as well as corresponding forces and/or moments, the device comprising: a drive, a take-off and two coupling elements, wherein the drive and the take-off are coupled by the coupling elements in such a manner that; (i) in a decoupled state a rotational movement of the drive causes movement of the coupling elements, wherein movement of the coupling elements is not suitable for transmitting movement from the drive to the take-off, and wherein in the decoupled state rotational movement of the drive causes the coupling elements to move radially and orthogonally with regard to said rotational movement of the drive, (ii) wherein in the coupled state a moveable coupling locking element is located between the coupling elements so that the coupling elements can no longer move radially such that rotational movement of the drive causes rotational movement of the coupling elements in a same direction together with the take-off, further comprising an actuator for positioning the coupling locking element, wherein the actuator is bistable, wherein a mechanical potential formed by a storage device, has to be overcome for moving the coupling locking element from the decoupled state in a coupled state and/or from the coupled state in the decoupled state. ### Claim 2 A device, for transmitting a movement as well as corresponding forces and/or moments, the device comprising: a drive, a take-off and two coupling elements, wherein the drive and the take-off are coupled by the coupling elements in such a manner that, (i) in a decoupled state a rotational movement of the take-off causes movement of the coupling elements, wherein movement of the coupling elements is not suitable for transmitting movement of the take-off to the drive, and wherein in the decoupled state rotational movement of the take-off causes the coupling elements to move radially and orthogonally with regard to said rotational movement of the take-off, and (ii) wherein in the coupled state a moveable coupling locking element is located between the coupling elements so that the coupling elements can no longer move radially such that rotational movement of the take-off causes rotational movement of the coupling elements in a same direction together with the drive, further comprising an actuator for positioning the coupling locking element, wherein the actuator is bistable, wherein a mechanical potential formed by a storage device, has to be overcome for moving the coupling locking element from the decoupled state in a coupled state and/or from the coupled state in the decoupled state. ### Claim 3 (depends on 1) The device according to claim 1, wherein movement of the drive in the decoupled state cannot be transmitted to the take-off by the movement of the coupling elements because a resistance of the take-off cannot be overcome. ### Claim 4 (depends on 1) The device according to claim 1, wherein the coupling locking element causes a coupling as well as a decoupling of the drive and the take-off. ### Claim 5 (depends on 4) The device according to claim 4, wherein in the decoupled state the coupling locking element is not engaged with the coupling elements. ### Claim 6 (depends on 1) The device according to claim 1, wherein the actuator causes a displacement of the coupling locking element with a mechanical potential formed by a storage device, into a position suitable for coupling. ### Claim 7 (depends on 1) The device according to claim 1, wherein the actuator comprises an electromagnet arrangement having at least one yoke and a coil. ### Claim 8 (depends on 1) The device according to claim 1, wherein the device is manipulation resistant such that movement directions of the coupling elements are orthogonal with respect to attacks to be expected in a longitudinal direction of the device and/or counter-moments compensate for forces caused by an attack. ### Claim 9 (depends on 1) The device according to claim 1, wherein a mechanical potential formed by a storage device, has to be overcome for a relative movement between the drive and take-off, wherein said potential is lower than a mechanical potential of the take-off formed by the storage device. ### Claim 10 (depends on 1) The device according to claim 1, wherein the potential formed by the storage device, is such that when the force at a drive falls below a specific value, the coupling locking element can be brought into and/or out of a coupling position without the application of a force. ### Claim 11 (depends on 1) The device according to claim 1, wherein the drive and take-off are coupled by means of the coupling elements such that in the decoupled state movement of the take-off, with a stationary drive, causes a movement component of the coupling elements in an orthogonal direction thereto, and that movement of the take-off in the coupled state causes movement of the coupling elements in a same direction as take-off. ### Claim 12 (depends on 1) The device according to claim 1, wherein a movement of the coupling elements is orthogonal with respect to movement direction of the drive and does not cause movement of the take-off. ### Claim 13 (depends on 1) The device according to claim 1, wherein rotational movement of the coupling elements causes rotational movement of the take-off. ### Claim 14 (depends on 1) The device according to claim 1, wherein the coupling elements are pre-stressed with respect to the take-off and/or with respect to the drive. ### Claim 15 (depends on 1) The device according to claim 1, wherein a mechanical potential framed by a storage device, which has to be overcome for the movement of the take-off, acts on the coupling elements. ### Claim 16 (depends on 1) The device according to claim 1, wherein the coupling elements consists of at least one roller element or sliding element. ### Claim 17 (depends on 16) The device according to claim 16, wherein the roller elements or the sliding elements are guided in the drive such that the roller element or the sliding element moves in a radial direction with respect to said drive. ### Claim 18 (depends on 16) The device according to claim 16, wherein the roller elements or the sliding elements are pressed outwards by a spring element preferably consisting of a leg spring. ### Claim 19 (depends on 16) The device according to claim 16, wherein the take-off is configured such that the take-off comprises at least one projection at an inner side on which the roller elements or sliding elements move. ### Claim 20 (depends on 16) The device according to claim 16, wherein the roller elements or slide elements can give way in case of a relative movement between the drive and take-off when the drive and take-off are not coupled with each other. ### Claim 21 (depends on 17) The device according to claim 17, wherein the drive and the take-off are configured such that the roller elements or sliding elements can move inwards in case of rotation of the drive and overcome potential of the spring element wherein torque generated by said spring element is not sufficient to overcome a mechanical potential at the take-off, which is formed by a storage device. ### Claim 22 (depends on 1) The device according to claim 1, wherein the coupling locking element is supported such that a movement being necessary for engagement is perpendicular to an attack direction. ### Claim 23 (depends on 1) The device according to claim 1, wherein a mass center of the coupling locking element is selected such that, when the drive and take-off are not coupled with each other, the coupling locking element is supported in a rotational axis. ### Claim 24 (depends on 1) The device according to claim 1, wherein the coupling locking element is connected to a switch element by a coupling locking spring. ### Claim 25 (depends on 24) The device according to claim 24, wherein the switch element is operated by an actuator which comprises an electromagnet arrangement. ### Claim 26 (depends on 24) The device according to claim 24, wherein the coupling locking spring is arranged and configured such that when the switch element is operated by an electromagnet arrangement of the actuator, the coupling locking element can be moved into a position by the coupling locking spring in which the drive and take-off are coupled with each other. ### Claim 27 (depends on 24) The device according to claim 24, wherein the switch element and/or the coupling locking element comprises a switch element spring. ### Claim 28 (depends on 27) The device according to claim 27, wherein, for coupling, the switch element can be moved by an actuator such that the switch element spring is pre-stressed and that the coupling locking element connected to the switch element can be moved into a coupled position by spring forces. ### Claim 29 (depends on 28) The device according to claim 28, wherein the movement of the coupling locking element into a coupled position is limited by a stop so that the coupling locking spring can be pre-stressed. ### Claim 30 (depends on 28) The device according to claim 28, wherein the pre-stress of the switch element spring is suitable to move the coupling locking element into a decoupled position, when a magnetic force of an actuator is removed from the switch element for a short period of time. ### Claim 31 (depends on 28) The device according to claim 28, wherein the pre-stress of the coupling locking element and/or the switch element spring is suitable to release the switch element from an electromagnet arrangement of the actuator for decoupling, when a magnetic force of the actuator is removed from the switch element, and also when the coupling locking element is still clamped between the coupling elements due to an external torque acting on the drive. ### Claim 32 (depends on 24) The device according to claim 24, wherein the coupling locking element and the switch element are configured separately from each other and each comprises a spring element. ### Claim 33 (depends on 32) The device according to claim 32, wherein the switch element is operated by an actuator which comprises an electromagnet arrangement. ### Claim 34 (depends on 32) The device according to claim 32, wherein the spring elements are arranged such that the switch element holds the coupling locking element in a decoupled position and releases the coupling locking element when the coupling locking element is operated by the actuator, so that said coupling locking element can assume a coupled position. ### Claim 35 (depends on 32) The device according to claim 32, wherein the coupling locking element is connected to the coupling locking spring and the switch element is connected to the switch element spring. ### Claim 36 (depends on 35) The device according to claim 35, wherein the coupling locking element is held in a decoupled condition by the switch element by its switch element spring, wherein the switch element spring is pre-stressed. ### Claim 37 (depends on 36) The device according to claim 36, wherein the pre-stress of the switch element spring is suitable to release the switch element from an electromagnet arrangement of the actuator for decoupling, when a magnetic force of the actuator is removed from the switch element, also when the coupling locking element is still clamped between the coupling elements due to an external torque acting on the drive. ### Claim 38 (depends on 35) The device according to claim 35, wherein an actuator comprises an electromagnet consisting of at least one yoke and a coil, wherein an effective direction of the magnetic field between the switch element and the yoke is perpendicular with respect to an attack direction. ### Claim 39 (depends on 38) The device according to claim 38, wherein a current is provided through the coil for coupling the drive and the take-off, said current effecting a magnetic flux through the yoke and the coupling locking element and/or the switch element, which are at least partially magnetically permeable, wherein the coupling locking element is moved such that the roller element or sliding element can transmit a torque onto the take-off. ### Claim 40 (depends on 1) A lock device comprising a device according to claim 1. ### Claim 41 (depends on 2) The device according to claim 2, wherein the actuator causes a displacement of the coupling locking element with a mechanical potential formed by a storage device, into a position suitable for coupling. ### Claim 42 (depends on 2) The device according to claim 2, wherein the actuator comprises an electromagnet arrangement having at least one yoke and a coil.