Locks – Operating mechanism – Using a powered device
Patent
1991-01-04
1993-06-15
Cuomo, Peter M.
Locks
Operating mechanism
Using a powered device
70278, 70282, 70455, E05B 4700
Patent
active
052193861
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a locker unit comprising a plurality of lockers, each of which is provided with its own door, which has a locking device with a mechanical lock.
Various locker units are already known, comprising a plurality of lockers, in which each individual locker is provided with its own door and which can be locked with a locking device. Such lockers, also known as safety deposit boxes, are often used in banks, in order to allow customers to store valuables without any inspection by the bank. In order to achieve security to prevent unauthorized opening of a locker, these doors are usually equipped with two mechanical locks, one so-called customer lock and one bank lock. This ensures that after the customer has presented proof of authorization to open the locker, he can open it, and that in addition to the customer key, there is additional protection against unauthorized access. The so-called bank lock is opened by a bank employee who accompanies the customer after an identity check, and the customer can then open the locker with his own key. It is disturbing for many customers that the bank employee, who is present with the customer in the locker area, can observe the transactions of the customer. Accordingly, the banks have attempted to automate access to such locker units, with another factor being high personnel costs.
Therefore, locker units have become known in which one of the two locks in the door, specifically the bank lock, can be released via remote control, by a bank employee who works outside the locker unit. Such a lock is known, for example, from EP-OS 0 096 400. With additional security circuits, it is guaranteed that in case of a mistaken release by the bank employee, the bank lock falls into place again automatically, within a very short period of time, so that even a subsequent attempt by a customer to penetrate into a locker with a skeleton key will fail. In addition, numerous safety measures, such as movement sensors, infrared sensors, etc., are arranged as security devices in the locker unit, as is also usual in other vault units. It is disadvantageous in such locker units that either the personnel expenditure for operating the bank lock is relatively high, or that when using currently known locks, the energy for activating the electrically activated locks is relatively high. This requires extensive electrical installations, so that these systems are not suitable for upgrading doors of a locker unit which are equipped with two mechanical locks. In such units, all the doors of the locker unit would have to be replaced and special wiring would have to be installed. The expenditure for this is relatively high, and in addition, it is a significant problem that it is not always possible to bring all the customers together on the same day, to remove the valuables stored in the lockers, so that the renovation can be carried out.
The present invention is therefore based on the task of creating a locker unit of the type stated initially, in which locker units with mechanically activated doors, especially existing ones, can be equipped in simple manner in such a way that the so-called bank lock can be activated by remote control, without a high energy expenditure being required for this. Furthermore, it should be possible to refit existing locker units without having to replace the doors, and without having to install a costly wiring network.
This task of the invention is accomplished in that the locking device comprises an auxiliary lock assigned to the lock, which has an electrical drive for a locking device, and that the locking device comprises a rest position which blocks access to or movement of the mechanically activated customer lock, and an open position which frees this access and/or movement. This now makes it possible to achieve, in advantageous manner, that access to the mechanically activated customer lock, i.e. its activation, is prevented via the auxiliary lock. With this measure, which appears relatively simple, it is achieved that the energy expenditure for activa
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Kletzmaier Karl
Krippner Gunther
Cuomo Peter M.
Dino Suzanne L.
Keba Gesellschaft m.b.H. & Co.
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