US 11,869,290 B2
Key storage device
Marc Pendl, Hart bei Graz (AT); Alexander Resch, Hart bei Graz (AT); Johannes Hutter, Hart bei Graz (AT); Wolfgang Puntigam, Hart bei Graz (AT); and Franz Mathi, Hart bei Graz (AT)
Assigned to KNAPP AG, Hart bei Graz (AT)
Appl. No. 17/637,373
Filed by KNAPP AG, Hart bei Graz (AT)
PCT Filed Aug. 14, 2020, PCT No. PCT/AT2020/060306
§ 371(c)(1), (2) Date Feb. 22, 2022,
PCT Pub. No. WO2021/035263, PCT Pub. Date Mar. 4, 2021.
Claims priority of application No. A 50732/2019 (AT), filed on Aug. 23, 2019.
Prior Publication US 2022/0284750 A1, Sep. 8, 2022
Int. Cl. G07C 9/00 (2020.01); E05B 19/00 (2006.01); F16P 3/08 (2006.01); G07C 9/33 (2020.01); E05B 41/00 (2006.01)
CPC G07C 9/00896 (2013.01) [E05B 19/0005 (2013.01); E05B 41/00 (2013.01); F16P 3/08 (2013.01); G07C 9/33 (2020.01); G07C 2009/00936 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A security system for a danger area which comprises a machine having a machine control unit, the security system comprising an access door to the danger area, the door being assigned to a key, and a key storage device operable to store the key, the key being provided with an identification code, wherein the key storage device comprises a locking unit having an unlocked state in which the key is removable from the key storage device and a locked state in which the key is locked in, or on, the key storage device, wherein the key storage device comprises a control unit connected to the locking unit and having a data interface, and the control unit operable to read out the identification code of the key and providing the identification code of the key at the data interface, wherein the key storage device comprises a receptacle, configured as a hole, configured to receive a blocking element which is independent of the key storage device, and comprising a padlock, for blocking a connection of the key to the key storage device, wherein the machine control unit is connected to the key storage device and operable to release, upon identification of the identification code of the key of the access door by the control unit of the key storage device, an operating state of the machine and/or upon transferring the locking unit from the locked state to the unlocked state, to set the machine from the operating state to a security state.