Abstract: A method of controlling access to an elevator car, in particular to its roof and/or underside, including the steps of switching the elevator control into a maintenance mode which controls the car to travel to a predetermined stop position permitting access, and opening a landing door of the elevator shaft the car is running in. The elevator control is switched into the maintenance mode only if operating a landing call receiving device in a predetermined identification pattern which differs from a call pattern for calling the elevator.

Abstract: An elevator installation has a first cage pair a second cage pair, both movable in an elevator shaft. Cages of a cage pair can move simultaneously in opposite directions within the shaft. In the shaft is a change zone which allows the cages of the cage pair to change between sides of the shaft while in upward or downward motion.

Abstract: An elevator installation can comprise an elevator cage, a counterweight, a first support, a second support, a drive for driving of drive pulleys in common and for movement of the supports, and a monitoring device with two slack support switches. A first slack support switch is arranged in the region of a first fastening point for monitoring the first support. A second slack support switch is arranged diagonally opposite in the region of another fastening point for monitoring the second support. The monitoring device comprises a safety circuit, in which the two slack support switches are so integrated in a safety circuit of the elevator installation that actuation of just one of the two slack support switches interrupts the safety circuit.

Abstract: A brake monitor for monitoring a brake system of an elevator system that includes a drive and a drive controller checks for a travel signal generated by the elevator system. If a brake-release signal is not received within a time-window after the occurrence of the travel signal, the brake monitor activates a relay circuit for interrupting a safety circuit of the elevator system or for interrupting a control voltage of the drive controller so that the elevator system can be stopped.

Abstract: An escalator or moving walkway comprises a balustrade base, an illumination profile disposed in the base and a transparent cover through which illumination is provided. An illumination strip is located within the illumination profile, and has a plurality of LED lamps. A reflecting surface is provided on the illumination profile, and is aligned such that at least a portion of the light emitted by the LED lamps impinging upon the surface is reflected in the direction of the cover, facilitating an even level of illumination.

Abstract: A user can be detected and identified at or near an elevator installation. A record for the user can be read from a database, and based on information in the record, a personalized building action can be performed for the user. A portion of the building can thus be “prepared” for the user.

Abstract: This elevator car (10) is characterized by a car roof (9), which is designed to be non-load bearing, so that in the uppermost position of the car (10) the required free space F in the form of a cuboid lying on one of the sides thereof and having the minimum dimensions of 0.5 m×0.6 m×0.8 m is located completely inside the car (10) and extends down to the car floor (8). When a potential load is applied onto the car roof (9), it yields or is lowered due to deformation. In this way, the required free space F of 0.6 m×0.5 m×0.8 m above the surface on which a maintenance technician can stand is ensured in any case as a safety space against the danger of crushing, even if the elevator car moves very close to the ceiling of the shaft.

Abstract: An escalator, a moving walkway or an elevator cage includes at least one illuminable transparent panel. The illuminable transparent panel has a construction containing a plurality of layers. The two side surfaces of each layer are bounded in the area dimension thereof by an edge region. The layers of the construction are arranged with the side surfaces against one another. The layer sequence of the construction is defined, wherein a first layer is a first glass pane, a second layer is a first transparent polymer layer, a third layer is a second glass pane, a fourth layer is a transparent polymer material plate containing light-dispersing particles, a fifth layer is a third glass pane, a sixth layer is a second transparent polymer layer and a seventh layer is a fourth glass pane.

Abstract: A method of producing a load-bearing steel construction connection, wherein a clinch connection (13) connecting a first metal workpiece (6.1, 6.2) with a second metal workpiece (6.3, 6.4) is formed by local deformation by means of a die tool (20) and a counter-tool (30). In that case initially the first metal workpiece (6.1, 6.2) and the second metal workpiece (6.3, 6.4) are placed one on the other on a processing surface of the counter-tool and aligned. The die of the die tool is then advanced and sunk into the two metal workpieces (6.1, 6.2; 6.3, 6.4) placed one on the other until the clinch connection (13) has been formed by plastic deformation. The first metal workpiece (6.1, 6.2) has a first workpiece thickness (t1) and the second metal workpiece (6.3, 6.4) has a second workpiece thickness (t2), which together give a total workpiece thickness (tt) which is thicker than 8 millimeters.

Abstract: The method of operating an elevator system in a building with at least one building door (2, 2?, 2?) includes through opening and/or closing the building door (2, 2?, 2?) the floor (1, 1?, 1?) of the opened and/or closed building door (2, 2?, 2?) is defined as the start floor and a destination call for an elevator car (7) to the start floor is actuated. As soon as the elevator car (7) has reached the start floor, an elevator door (3, 3?, 3?) of the start floor is opened. As soon as at least one user has entered the elevator car (7), the opened elevator door (3, 3?, 3?) is closed and the user is conveyed by the elevator car (7) to a destination floor, wherein the destination floor is defined by a destination call stored for a start floor.

Abstract: An elevator installation is provided that includes an elevator cage, a drive pulley, at least one support means formed as a flat belt, and a drive engine which drives the at least one support means, which carries the elevator cage, by way of the drive pulley. In the elevator installation, the support means has, at least on a running surface facing the drive pulley, several ribs of wedge-shaped or trapezium-shaped cross-section which extend parallel in a longitudinal direction of the support means and further has several tensile carriers oriented in the longitudinal direction of the support means. The tensile carriers are sized so that a total cross-sectional area of all the tensile carriers amounts to 30%-40% of a cross-sectional area of the support means. The tensile carriers may be distributed in a transverse direction of the support means so that exactly two tensile carriers are associated with each of the ribs, the tensile carriers having an outer diameter equal to 35%-40% of a rib spacing (T).

Abstract: A testing device for checking a safety circuit of an elevator apparatus includes at least one hardware-monitoring unit for monitoring at least one functionally relevant composite resistor in the safety circuit.

Abstract: A safety system for an elevator has a bar mounted on a landing door, the bar being adapted to extend into a passageway of the landing door, and a holding member adapted to prevent the bar from extending into the passageway of the landing door when a car door is positioned correctly behind the landing door. The bar is adapted to extend into the passageway when the landing door is opened and when the holding member does not prevent the bar from extending into the passageway of the landing door.

Abstract: An elevator installation includes a car, a counterweight and safeties which are fitted to the car and the counterweight. The car contains an electrically controlled device for actuating and optionally resetting the safety and the counterweight also contains an electrically controlled device with a safety, or the safety of the counterweight is actuated by a slack-line release.

Abstract: An elevator system and a method for maintenance of such an elevator system include a device for receiving a plurality of sensor signals. The device is mounted on at least one elevator car or at least one counterweight of the elevator system. The device includes at least one processor and at least one computer-readable data store in at least one device housing. A first sensor for generating a sensor signal is a position sensor and/or a speed sensor and/or an acceleration sensor which is mounted in and/or on the device housing.

Abstract: The invention relates to a method and an elevator system in a building including a plurality of floor levels (1, 1?, 1?), at least one elevator door (3, 3?, 3?) and at least one building door (4, 4?, 4?, 5, 5?, 5?) and at least one elevator control (10) which controls at least one elevator drive (11) to move at least one elevator car (8), wherein an opening and/or closing of a building door (4, 4?, 4?, 5, 5?, 5?) causes at least one starting door signal (S1) to be generated and at least one elevator car (8) is ascertained for the starting door signal (S1).

Abstract: A lift cage includes a platform having a plurality of platform sections. The cage includes a front-sided and a rear-sided platform section arranged on a central platform section. The platform sections have connection points which are arranged on parallel, vertical planes, whereon the platform sections can be connected together by connection elements. In order to provide additional stabilization for the cage platform, stable platform edge profiles are connected to the uppersides of all platform sections. Subsystems of the lift cage can be premounted in the platform sections. A method for installing a lift wherein a cage platform is prepared in at least two separate platform sections, and the platform sections of the cage platform, which are delivered separately, are connected together by connection elements during installation.

Abstract: An elevator system includes an elevator car and a counterweight fixed to a traction device. A drive pulley moves the traction device. A bottom tensioning apparatus is fixed to the counterweight and to the elevator car. A tensioning weight tensions the bottom tensioning apparatus. In an end position of the counterweight, the elevator car can continue to move when the traction device is moved further by the drive pulley. This moves the tensioning weight at half the speed of the elevator car, for example. A measuring device is provided for the tensioning weight for detecting such a motion of the tensioning weight. This allows a triggering of an emergency stop of the elevator car.

Abstract: An elevator installation includes a drive unit moving a car and a counterweight in an elevator shaft. The drive unit has a drive motor and a brake coupled to a drive shaft and mounted on a crossbeam in the elevator shaft or on the shaft ceiling. The drive unit has two spaced-apart drive zones and the drive motor is arranged to the left or the right of the two drive zones with the brake on the same side or the opposite side of the drive zones.