Abstract: The present invention relates to a door drive for garage, garden, hall or factory doors, comprising a motor unit which comprises a drive motor and a motor output shaft, an output transmission, which on the input end can be connected with the motor output shaft and on the output end includes a transmission output shaft for driving a door moving element, in particular a door shaft, a release clutch for releasing the motor output shaft with respect to the door moving element as well as at least one damping element for damping drive shocks. In accordance with the invention, the door drive is characterized in that the output transmission includes a transmission housing formed separate from the motor unit and together with the release clutch and the damping element forms a separate, modular drive attachment, which can be connected on the one hand to the motor unit and on the other hand to the door moving element.

Abstract: A drive for closure elements is provided, in particular in the area of garage and industrial doors, but also for example in the form of roller shutters, with a reference value generator arranged in the motor or in the gearing of the drive for determining the actual position of the closure element. When a reference point position is reached, the reference value generator emits a signal or causes a signal modification, on the basis of which the actual-value generator can be calibrated. The reference value generator has two reference discs rotating in different speeds, which, in predetermined angular positions to one another, define the reference point positions which can be scanned by at least one scanning device.

Abstract: The present disclosure relates to a light barrier holder comprising a receiving housing for the receiving of a part of the light barrier, for example of a transmitter or of a receiver having an opening through which the rays of the light barrier can pass, with the surface of the housing being spherically arched in the region of the opening and wherein a tubular neck is set at the housing in the region of the opening and can be plugged through corresponding openings of installation openings each having a corresponding spherical arching and can be fixed in place by a securing element.

Abstract: The present disclosure relates to an apparatus for controlling a door drive comprising a path-measuring apparatus for the sensing of a door position and/or a door drive position and for the emitting of a corresponding door position signal as well as comprising a control device for the control of the door drive in dependence on an absolute value of the door position signal and at least one reference point. In accordance with the present disclosure, the apparatus for controlling a door drive is characterized in that the path-measuring apparatus is made with at least two channels and comprises an absolute value encoder for the emitting of an absolute value signal on a first channel and a reference value encoder for the emitting of a plurality of reference point signals on a second channel, and the control device distinguishes a respective reference point signal from other reference point signals using the associated absolute value signal and controls the door drive starting from a specific reference point.

Abstract: This invention relates to an operating unit for one or more gate, window, door or roller shutter drives. In accordance with the invention, one basic element is provided for each driven gate, window, door or roller shutter. The basic elements each accommodate the operating elements required for operating a gate, window, door or roller shutter drive, and can be joined together.

Abstract: The invention relates to a door drive head comprising a preferably shell-shaped carrier base body to which different drive components can be attached and which has connection means at its outer side to which a carriage rail can be connected in which a door drive carriage runs which, on the one hand, is driven via a driving means by the drive motor supported in the housing and, on the other hand, moves the door to be driven. In accordance with the invention, the carriage rail can be inwardly pivoted into its mounting position around a pivot axle projecting outwardly out of the carrier base body.

Abstract: The present invention pertains to a door drive housing with an assembly holding device for mounting an electric door drive assembly with at least one electric terminal, particularly of a transformer, wherein the assembly holding device contains preferably separable mounting means for mounting the assembly. According to the invention, the door drive housing is characterized in that the mounting means contain a plug-type receptacle, into which the assembly can be inserted, as well as snap-in means that positively interlock with the assembly during the insertion into the plug-type receptacle.

Abstract: The invention concerns a door with a door panel that with the help of a slide rail mechanism can be moved between an open and a closed position. According to the invention, this door has at least one actuator with an engagement device that can be moved between an end position and a locking position, and which is positioned on an area of the door panel facing the slide rail mechanism of the door. In addition, there is a counter-device that is positioned permanently and with which the engagement device can be brought into contact in at least one intermediate position of the door panel between its open and its closed position in such manner that the door panel is fixed.

Abstract: The invention concerns a drive for closing devices, for example gates or shutters, with variable speed output drive and a device for detecting a given position of the closing device. According to the invention, the drive speed output depends on the position of the gate and can be controlled depending on the given mechanical closing characteristic of the closing device.

Abstract: The invention relates to a gate or door drive housing with a basic carrier body for preference in the shape of a bowl or shell, to which various different drive components can be secured, and a cover hood which can be connected to the basic carrier body. According to the invention, a housing extension for accommodating additional and/or larger drive components can be connected in a releasable manner in an exact fit to the basic carrying body.

Abstract: A drive for doors, in particular garage doors, having door runners which are in each case arranged laterally and which are guided in fixed position rails, and having a drive unit having at least a motor and a driving gear. The drive unit has two rope pulleys arranged to oppositely rotate, with the two free ends of a respective rope being wound on each rope pulley. The rope ends cooperate with the door runners such that the door can be opened or closed via the rotational movement of the rope pulleys.

Abstract: The invention relates to an enclosure that consists of segments that can be rotated toward one another around joints, with the adjacent edges of the segments being formed in a concave or convex manner, in order to form a narrow gap between them during rotation around an articulating axis. The joints consist of two articulating arms, firmly attached to adjacent segments, that are attached to one another in such a way as to be rotatable toward one another around the articulating axis. According to the invention, one of the adjacent segments has a recess running parallel to the edge, in which the articulating axis is positioned at least partially.

Abstract: The invention concerns a drive for closing devices, for example gates or shutters, with variable speed output drive and a device for detecting a given position of the closing device. According to the invention, the drive speed output depends on the position of the gate and can be controlled depending on the given mechanical closing characteristic of the closing device.

Abstract: A drive system for closing devices, for example gates or shutters, with a variable speed output drive and a device for detecting a given characteristic of the drive, and is varied to maintain a substantially constant speed of the closing device as it moves between the open position and the closed position.

Abstract: The invention relates to a drive for closure elements, in particular in the area of garage and industrial doors, but also for example in the form of roller shutters, with a reference value generator arranged in the motor or in the gearing of the drive for determining the actual position of the closure element. When a reference point position is reached, the reference value generator emits a signal or causes a signal modification, on the basis of which the actual-value generator can be calibrated. According to the invention, the reference value generator has two reference discs rotating in different speeds, which, in predetermined angular positions to one another, define the reference point positions which can be scanned by means of at least one scanning device.

Abstract: A safety contact rail for a movable closing mechanism includes a hollow profile having a deformable region, an electrically-conductive area positioned along an inner surface of the hollow profile and a contact element that is positioned therein to be freely movable with respect to the hollow profile and having a conductive area over at least a portion of its surface which is arranged to contact the hollow profile conductive area upon deformation of the hollow profile.

Abstract: The invention relates to a gear unit with hollow shaft for gate drives, preferably for driving sectional and roller gates. According to the invention the gear unit comprises a hollow shaped part which can be introduced into the hollow shaft, the outside and inside of which are made in such a way that the connection with a shaft to be accomodated in the hollow shaped part and with the hollow shaft accomodating the hollow shaped part is form-locking in the turning direction.

Abstract: The invention relates to a drive spindle, in particular to drive garage doors, having recesses or projections disposed on the circumferential surface which can be connected to corresponding projections or recesses of a guide element for the purpose of the axial movement. In accordance with the invention, the drive spindle consists of at least two components which can be detachably connected to one another.

Abstract: The invention relates to a drive for doors, in particular garage doors, having door runners which are in each case arranged laterally at the moving part of the door and which are guided in fixed position rails, and having a drive unit consisting at least of a motor and a driving gear. In accordance with the invention, the drive unit has two rope pulleys arranged in counter rotating manner, with the two free ends of a respective rope being wound on each rope pulley. The rope ends cooperate with the door runners such that the door can be opened or closed via the rotational movement of the rope pulleys.

Abstract: The present invention relates to a drive system for closing elements, preferably for doors, roller blinds or windows, with a motor, with a position pick-up to detect certain positions of the closing element, with an operating unit which allows authorized persons to open or close the closing element, and with a control unit with the control unit being actively linked to the motor, the position pick-up and the operating unit. To solve the object of preventing any arbitrary opening in such a drive system without using additional locking elements and without any self-locking effect of the drive system, the motor can be driven by the control unit at times where no command to open exists from the operating unit in such a way that a closing force can be exerted on the closing element which closing force depends on the position and/or change in position of the closing element.