Abstract: The invention relates to an elevator arrangement having an elevator comprising an elevator car arranged to run up and down in an elevator shaft along guide rails, an elevator operating system, a control system, a safety system, and an inspection or maintenance mode. The elevator car comprises a roof, a plurality of car walls and a car door. A working connection from inside the elevator car to the elevator shaft is formed via opening a part of or the whole roof of the elevator car and/or a part of or the whole wall of the elevator car and/or the car door. The safety system is arranged to prevent the elevator car from moving if a weight on the roof of the elevator car exceeds a predetermined threshold value.

Abstract: The invention relates to an elevator arrangement comprising an elevator with an elevator control system, a safety system and an inspection or maintenance mode, which elevator having an elevator car arranged to run up and down in an elevator shaft along guide rails, and which elevator car is equipped with a roof. The roof of the elevator car is arranged to uncover upper part of the elevator car in order to form a natural safe working space inside the elevator car, and that the arrangement comprises a control mechanism in order to control the position of the roof.

Abstract: The object of the invention is an elevator provided with a safety device arrangement, which elevator comprises at least an elevator car traveling along guide rails and a safety brake device for stopping unintended movement of the elevator car. The safety device arrangement comprises a tuning apparatus disposed on the elevator car for detecting a presence on the roof of the elevator car.

Abstract: An arrangement in the door structure of an elevator includes at least an elevator car with doors and door panels, landing doors of the landing areas with door panels and a hanger carriage of each door panel, as well as a top track for the doors, supported on which top track the doors are suspended. The top track includes a separate frame beam, which is enclosed for essentially its whole length with a reinforcement structure.

Abstract: The elevator comprises a car moving upwards and downwards in an elevator shaft by a lifting machinery comprising a drive unit, an electric motor having an axis of rotation forming an axial direction (X-X), and a drive pulley, the drive unit being connected to an electrical power source and providing a controllable source of power to the electric motor, and transmission means passing over the drive pulley and being connected to the car. The drive unit comprises a first end surface and the electric motor comprises a first end surface, the drive unit being attached to the electric motor so that a predetermined axial distance (X1) remains between the first end surface of the drive unit and the first end surface of the electric motor, said first end surfaces being opposite to each other.

Abstract: The invention relates to a tension arrangement for an elevator, which elevator comprises at least an elevator car arranged to run in an elevator shaft along guide rails, a counterweight or balance weight connected to the elevator car with a traction member from below and suspension ropes from above, and a hoisting machinery equipped with a drive wheel and an elevator motor in the lower part of the elevator shaft. The drive wheel and elevator motor are supported by a lever mechanism which is arranged to allow the drive wheel and elevator motor to move up and down.

Abstract: The object of the invention is a method and an arrangement for testing the car structures of an elevator and for adjusting a load-weighing device in an elevator provided with a load-weighing device, in which elevator the elevator car is adapted to travel in the elevator hoistway via one or more traction members and suspension members that are separated from each other. For testing the car structures of an elevator and for adjusting a load-weighing device the elevator car is held in its position with a separate arresting means, which is connected to a measuring means measuring tensile stress, and the elevator car is driven upwards with the own hoisting machine of the elevator while at the same time measuring with the measuring means the tensile stress produced in the arresting means.

Abstract: The tensioning system for the traction belt of an elevator is installed or can be installed in connection with the car and/or the counterweight of the elevator for pretensioning at least one traction belt running between these and comprises means for storing energy. In addition to this, the tensioning system is configured to use the energy stored in the means intended for storing energy for pulling in the traction belt in question for returning tension when the tension of the traction belt falls. The patent application also contains an independent claim for an elevator.

Abstract: An apparatus for fixing a hoisting machine in an elevator includes a machine station configured to arrange a traction sheave of the elevator, a motor and a plurality of diverting pulleys for one or more traction members into position relative to each other. A fixing arrangement for fixing a hoisting machine in an elevator includes a machine station and a plurality of brackets. The plurality of brackets fix the machine station into a final position, which is determined by a position of guide rails in the elevator hoistway.

Abstract: An arrangement for condition monitoring of a traction belt and/or termination of a traction belt, wherein the arrangement comprises at least two independent condition monitoring means. The invention contains independent claims also for methods for the condition monitoring of the traction belt and/or termination of the traction belt, as well as a method for evaluating the way how traction belts wear, and an elevator.

Abstract: An elevator includes at least an elevator car arranged to move reciprocally in an elevator hoistway and fitted on guide rails, a plurality of landing doors having landing door locks openable e.g. with a service key, and a safety arrangement arranged to form a safe space, preferably a working space, in the elevator hoistway below the elevator car, access to which safe space is enabled via at least one landing door in the proximity of the base of the elevator hoistway, and/or a safe space, preferably a working space, above the elevator car, to which access is enabled via at least one landing door leading to the roof of the elevator car, and in which elevator the aforementioned safe space has a minimum height. The formation of each safe space is arranged to be implemented as a consequence of the opening occurring, e.g. with a service key, from a floor level of a landing door enabling access into the elevator hoistway.

Abstract: The object of the invention is an elevator car intended for transporting people and freight, in an elevator wherein the elevator car is supported resting on suspension members and arranged movably in an elevator hoistway when moved by a hoisting machine. At least the floor and roof of the elevator car are composed of dimensionally precise modular elements fabricated by casting, extruding and/or pressing into their shapes and dimensions.

Abstract: The object of the invention is an arrangement for adjusting the tautness of a traction member of an elevator, which arrangement comprises an elevator car and a compensating weight, which are for their part connected to support the elevator car by the aid of a suspension member, such as a rope or belt, and also a hoisting machine provided with a traction sheave, and one traction member, such as a belt, which is adapted to transmit the rotational movement of the traction sheave into movement of the elevator car and of the compensating weight, and also a tension control means, which is arranged to adjust the magnitude of the tension forces exerted on the suspension member and on the traction member.

Abstract: The object of the invention is a door arrangement of an elevator, which elevator comprises at least an elevator car, an elevator car door with door panels and a suspension beam for the door panels, as well as a door motor and door coupler structure, and also landing doors, with door panels, of the floor levels and a suspension beam for the door panels, as well as a synchronization means and rollers for the door coupler. The suspension beam of the door panels of the elevator car is disposed below the motor of the door operator and the door coupler structure, and that the suspension beam of the door panels of a landing door is disposed below the synchronization means of the door panels and the rollers of the door coupler.

Abstract: The invention relates to an elevator arrangement with multiple elevator cars in the same elevator shaft, the arrangement at least an uppermost elevator with its operating system, hoisting machinery and elevator car, and a lowermost elevator with its operating system, hoisting machinery and elevator car, which elevator cars are arranged to run in the same elevator shaft along the same guide rails. The types of the two elevators in the same elevator shaft are mutually different from each other.

Abstract: The invention relates to a method and arrangement for installing an elevator, which comprises an elevator car arranged to run in an elevator shaft along the guide rails, a balancing weight connected to the elevator car with suspension ropes and with a traction member, the elevator comprising further a hoisting machinery with a driving wheel in the lower part of the elevator shaft below the elevator car, the installing comprising one or more jumps to make the elevator serve higher floors. During the jump phase extensions needed for the suspension ropes are taken from first supply reels and extensions needed for the traction member are taken from second supply reels.

Abstract: The object of the invention is an elevator arrangement, which comprises at least an elevator car configured to move up and down in an elevator hoistway and at least two compensating weights, which are for their part connected to support the elevator car by the aid of their own support means, such as by the aid of ropes or belts and also e.g. diverting pulleys, and a hoisting machine provided with at least one traction sheave or corresponding, and at least one traction means such as a rope or belt, which is configured to transmit the rotational movement of the traction sheave into movement of the elevator car and of the compensating weights. Each compensating weight is connected by the aid of a traction means to the same hoisting machine.

Abstract: A method for modernizing a hydraulic elevator including an elevator car guided by car guide rails for moving in an essentially vertical direction in the elevator hoistway, a hydraulic system including a lifting cylinder having a cylinder part essentially vertically supported on the base of the elevator hoistway and a piston rod moving in relation to the cylinder part and a hydraulic powerpack and a control center. The hydraulic system of the hydraulic elevator is modernized to include a function for preventing unintended starting at a floor, in such a way that the hydraulic powerpack is retained and an electrically-operating valve that is monitored with a control and that acts on the flow of hydraulic fluid of the lifting cylinder is added to the hydraulic system. The control controls a valve to prevent movement of the piston rod of the lifting cylinder downwards and/or upwards, if predetermined criteria are fulfilled.

Abstract: A control arrangement and to a method for supplying electrical power in an elevator system are disclosed. The control arrangement includes a sensor detecting movement of an elevator car and also a control of the lighting of the elevator car. The control of the lighting of the elevator car is configured to control the emergency lighting of the elevator car on the basis of movement data of the elevator car expressed by the sensor detecting movement of the elevator car.

Abstract: The object of the invention is an elevator provided with a safety apparatus arrangement, which elevator comprises at least an elevator car traveling along guide rails and a safety brake device, such as a safety gear, for stopping undesired movement of the elevator car, as well as a transmission mechanism for activating the safety gear. The safety apparatus arrangement comprises a tuning apparatus disposed on the elevator car for detecting a presence on the roof of the elevator car, which tuning apparatus comprises means for pre-activating the transmission mechanism when a presence on the roof of the elevator car has been detected.