Abstract: A door closing device for a door is described. The device includes an externally powered and/or spring force-powered catch device F for mounting to the stationary door frame TR or the door leaf TF. The catch device has a movably mounted catch element F and an externally powered and/or force storage means-powered drive assembly M connected to the catch element F. It is essential that the catch element F can be connected to and disconnected from the counterpart element, for example the lock latch S, so that the catch element F can be brought into engagement with the counterpart element S for pulling the door leaf TF shut and can be brought out of engagement with the counterpart element S outside of the pulling-shut movement.

Abstract: The invention describes a remote-actuable door opener for installation in a door having a preferably positionally fixed door frame and having a door leaf movably mounted thereon. The door leaf has a movable door opener catch (1) and a remote-actuable blocking device (2) which interacts directly or indirectly with the door opener catch (1) in such a way that the door opener catch (1) can be switched into a blocking position and into a release position. It is essential that an actuating device (200) is provided which automatically sets the door opener catch (1) into a position in which the door opener catch (1) abuts against the lock catch (90) in the closed position of the door. Here, the door opener catch (1) is in particular formed from a bearing body (110) and from a catch body (10) which is displaceably guided on the bearing body and which is driven by the actuating device (200) in the direction of the actuating movement.

Abstract: A door closing device for a door is described. The device includes an externally powered and/or spring force-powered catch device F for mounting to the stationary door frame TR or the door leaf TF. The catch device has a movably mounted catch element F and an externally powered and/or force storage means-powered drive assembly M connected to the catch element F. It is essential that the catch element F can be connected to and disconnected from the counterpart element, for example the lock latch S, so that the catch element F can be brought into engagement with the counterpart element S for pulling the door leaf TF shut and can be brought out of engagement with the counterpart element S outside of the pulling-shut movement.

Abstract: The invention relates to a closing system comprising at least one door provided with at least one displaceable closure element and a closure element receiving member. The at least one closing element of the door lock projects into the closing element receiving member when the closing system is in the closed state. The invention also relates to a keyless entry system for controlling the access of a chamber door, and to a method for controlling the closing state of the closing system comprising at least one door provided with a displaceable closing element and a closing element receiving member, whereby the at least one closing element of the door lock projects into closing element receiving member when the closing system is in the closed state, a force sensor and an evaluation unit. The closing system can be switched, in the closed state, from a first operational state to a second operational state.

Abstract: The invention describes a remote-actuable door opener for installation in a door having a preferably positionally fixed door frame and having a door leaf movably mounted thereon. The door leaf has a movable door opener catch (1) and a remote-actuable blocking device (2) which interacts directly or indirectly with the door opener catch (1) in such a way that the door opener catch (1) can be switched into a blocking position and into a release position. It is essential that an actuating device (200) is provided which automatically sets the door opener catch (1) into a position in which the door opener catch (1) abuts against the lock catch (90) in the closed position of the door. Here, the door opener catch (1) is in particular formed from a bearing body (110) and from a catch body (10) which is displaceably guided on the bearing body and which is driven by the actuating device (200) in the direction of the actuating movement.

Abstract: The invention relates to a closing system comprising at least one door provided with at least one displaceable closure element and a closure element receiving member. The at least one closing element of the door lock projects into the closing element receiving member when the closing system is in the closed state. The invention also relates to a keyless entry system for controlling the access of a chamber door, and to a method for controlling the closing state of the closing system comprising at least one door provided with a displaceable closing element and a closing element receiving member, whereby the at least one closing element of the door lock projects into closing element receiving member when the closing system is in the closed state, a force sensor and an evaluation unit. The closing system can be switched, in the closed state, from a first operational state to a second operational state.

Abstract: The invention concerns a locking/unlocking device for a swivel latch of a door opener with a locking lever, that locks or unlocks the swivel latch, and a safety lock that holds the locking lever in a locking position and can be swiveled with the help of an electromagnet in a position unlocking the locking lever, wherein the safety lever is positioned in its center of gravity. Thus only one safety lever is required for the impact safety of the door opener, the susceptibility to shocks and vibrations can be reduced and a space-saving arrangement can be achieved. In a preferred form of execution, the safety lever has two arms wherein the electromagnet is in active connection with one lever arm and a compression spring is in active connection with the other lever arm. The assembly of the device is position-independent.

Abstract: The invention describes an electric door opener for glass doors, having a pivotable door opener latch comprising a holder, and a mating holder, with the holder and the mating holder delimiting a receiving region for receiving a glass door leaf. In order to simplify installation and improve storage, the door opener is designed such that the holder is provided with an adjustable configuration to ensure adjustability of the width of the receiving region.

Abstract: A door opener is described for releasing a door with a lock catch counterpart for holding a lock catch and with a switchable securing element to secure the door opener against unauthorized opening of the door. The invention is based on the object of further developing this type of known door openers for special application purposes. To do this, the invention provides an ejector for ejecting the lock catch out of the lock catch counterpart, a transfer element for transferring the force initiate through the door to the door opener and an actuating element for actuating the ejector.

Abstract: The invention concerns a locking/unlocking device for a swivel latch of a door opener with a locking lever, that locks or unlocks the swivel latch, and a safety lock that holds the locking lever in a locking position and can be swiveled with the help of an electromagnet in a position unlocking the locking lever, wherein the safety lever is positioned in its center of gravity. Thus only one safety lever is required for the impact safety of the door opener, the susceptibility to shocks and vibrations can be reduced and a space-saving arrangement can be achieved. In a preferred form of execution, the safety lever has two arms wherein the electromagnet is in active connection with one lever arm and a compression spring is in active connection with the other lever arm. The assembly of the device is position-independent.