Abstract: A disposable capsule for machines for preparing beverages is provided. The capsule has a hollow, cup-shaped body with an insert having a frustoconical disk-like portion having a plurality of through openings formed in a mantle thereof, perforation members formed in a cavity thereof, and a stem that extends axially from a top portion of the frustoconical disk-like portion. The insert is axially movable between an assembly or packaging position, wherein the frustoconical disk-like portion rests on the bottom of the hollow body and the stem presses against the cover of the capsule deforming it outwards, and an opening position, wherein a free end of the stem is advanced in the axial direction and substantially aligned with a flange within the cup-shaped body, and the disk-like portion is flattened on the bottom and an perforation members interfere with the inner film thereby tearing it.

Abstract: A cassette for packing waste material into an elongated tube of flexible material is provided. The cassette includes a ring-shaped receptacle defining a central opening and a storage area for receiving the elongated tube of flexible material. The cassette also includes a cover at a top portion of the storage area and a plurality of projecting elements extending from a periphery of the cassette and being configured to support the cassette in a waste storage container. Also provided is a cassette which includes a lip having a variable projection width. A waste storage container is also provided including a cassette holder having a hollow area for removably receiving a cassette, the cassette being configured to matingly fit into the hollow area.

Abstract: An apparatus including a vessel open at the upper end to contain refuse or other material within an internal sack or bag type liner that the vessel holds open at the top. A lid that covers the opening to the vessel to conceal its contents with a lifting mechanism to open the lid in hands-free manner. A tab, flange, or other feature within the vessel to prevent the lining sack from coming into contact with and interfering with the function of the lid and its lifting mechanism.

Abstract: A method for movement of products is described. The method uses a facility which contains warehouse shelves, each shelf has a front, at least one moveable frame which travels to each shelf front to access the containers stored on each shelf. The moveable frame includes a repositionable storage ledge, a lifting device, and a gripping device. Mobile Robots exchange payloads between moveable frames.

Abstract: An overhead guide track system for automated material handling and storage facilities wherein at least one transfer unit is suspended from carriages that travel along the track system, the track system including a plurality of first and second support beams being assembled in an X-Y manner such that the first and second support beams intersect with one another in perpendicular relationship and wherein each of the first and second support beams includes a horizontal flange connected to a central vertical web, each of the vertical webs of the first and second beams having opposite ends connected to vertically oriented pedestals at a plurality of intersections of the first and second support beams and which pedestals support transfer plates over which the carriages are supported as the carriages pass over open gaps between the horizontal flanges at the intersections of the first and second support beams.

Abstract: A system comprising a holding area, a manual section, a distribution section, and at least one conveyor. The manual section may include a handling area enabled for pill counting, pharmacist verification, exception handling, or combinations thereof. The distribution section may be disposed proximate the handling area and the manual section, and may include a robot and a scanner. The at least one conveyor may enable transportation of a container between said distribution section and said manual section. The robot may be adapted to pick a container from the holding area and move the container to the scanner for scanning. The robot may also be further adapted to place the container onto the conveyor to direct the container to a handling area which is enabled for an action based on the scan.

Abstract: A picking device for piece goods is disclosed, in which cleaning of the picking device is facilitated. The picking device may include a shelf row having shelf bases, each including a plurality of storage chutes, and a retrieving device, via which piece goods can be retrieved. A shelf base may include a frame structure, chute partitions, chute bases, and blocking devices, which are coupled to a control device. Two chute partitions and one chute base may define one elongate storage chute, assigned to each chute base is a support device, on which the chute base rests and which is designed such that another chute base can be slid between the resting chute base and the support device. Assigned to each chute base is a holding means, which prevents the chute base from sliding in the longitudinal direction of the storage chute when the chute base is on the support device.

Abstract: A conveyor belt and belt modules with plug-in accessories, such as sideguards. The accessories have plugs that plug into sockets in the belt or individual belt modules. Lugs and mounting slots and tabs and detents on the plugs and sockets help guide, register, and lock the accessories in place. The plugs and sockets allow the accessories to be locked and unlocked by twisting the plugs in the sockets.

Abstract: A surface arrangement for a conveyor roller adapted for use in a conveyor system configured to support and move a conveyor medium, and a conveyor roller incorporating same. The surface arrangement has a cylindrical rotatable supporting surface, at least one shear stop member extending outwardly from the rotatable supporting surface, at least one lagging member positioned on the rotatable supporting surface, and a bond between the at least one lagging member and the rotatable supporting surface. The at least one lagging member is positioned on the rotatable supporting surface, with at least a portion of one end of the at least one lagging member abutting at least a portion of the side surface of the at least one shear stop member. The at least one shear stop member is adapted to resist movement of the at least one abutting lagging member in at least one direction along the circumference of the rotatable supporting surface to reduce a shear force exerted on the bond when the conveyor roller is in use.

Abstract: The invention relates to a line sorter for sorting items of various shapes, sizes and weights, in particular postal parcels or airport baggage. The line sorter (102) has a closed loop of coupled sorting carts or slats provided for moving along a loop track formed by an upper track section (104), a lower track section (106), one end track section connecting the upper and lower track sections at each of two ends of the line sorter, and one or more adjustment elements also forming part of the track loop. One of the end track sections 108, 109 can be longitudinally displaced relative to the upper and lower track sections to increase or decrease the resulting length of the track loop. The adjustment element(s) (210, 211) is movably mounted between said end track section and an adjacent upper or lower track section. A wedge shaped portion of the adjustment element is arranged for adjustable engagement with a correspondingly shaped portion of said end track section, or the upper or lower track section.

Abstract: In an aspect, an auger mover for moving and steering an auger is provided. The auger mover can have a frame having a front end and a rear end, the rear end connectable to an auger axle on the auger, a first pivotal wheel attached to a front end of the frame and pivotal relative to the frame, a second pivotal wheel attached to a front end of the frame and pivotal relative to the frame independently of the first pivotal wheel, an auger connection assembly connected to the frame and connectable to the auger and a steering assembly operatively connected to the first pivotal wheel to pivot the first pivotal wheel.

Abstract: Transmission equipment is provided. The transmission equipment includes a carrier and a transmission rail. The carrier includes at least one carrier guiding structure. The transmission rail includes a first rail, a second rail and a turning unit. The first rail includes at least one first transmission member. The second rail includes at least one second transmission member. The turning unit includes a first guiding slot, a second guiding slot and a turning member. At least one portion of the first guiding slot is parallel to the first rail. At least one portion of the second guiding slot is parallel to the second rail. The turning member moves between a first position and a second position.

Abstract: Provided is a pallet car for the transport of bulk material for a thermal treatment thereof. The pallet car comprises a frame with at least two opposed cross-beams on which grate bars rest and two end pieces each connecting the cross-beams with each other, which each include at least two rollers and at least one side wall. In the pallet car, the grate bars and/or the side walls and/or the insulating plates are made of a ceramic fiber composite, wherein the fibers are metallic and high-temperature resistant.

Abstract: The present invention relates to a method by means of which conveyor belts of belt conveyors, which can be loaded with a bulk material, have their operational behaviour and/or state and/or loading monitored during operation, wherein the belt conveyor has provided on it at least one radar-antenna combination, which consists of at least one transmitting antenna and one receiving antenna and is oriented onto the conveyor belt, wherein a radar-antenna combination arranged to the side of the conveyor belt periodically picks up the reflection from emitted radar beams by way of the side edge of the conveyor belt and/or the loading boundary of a bulk material located on the conveyor belt and communicates corresponding signals to a signal-processing unit, whereas a radar-antenna combination oriented onto the surface of the conveyor belt periodically picks up the reflection of emitted radar beams, on the one hand, by way of the surface of the conveyor belt and, on the other hand, by way of reinforcing supports embedded

Abstract: An automated parcel singulator includes a conveyor system, a control and monitoring system, an infeed table, and a hopper system. The hopper system stores and dispenses parcels and boxes onto the infeed table. The infeed tables singulates and moves the boxes and parcels, so that when the boxes and parcels are placed on the conveyor system they form a single line of packages.

Abstract: A train bulk cargo loading system having a disconnected railroad track scale, includes a disconnected railroad track scale (1), a tractor (2), a lifting scraping plow (4), a controllable vibration charging hopper (6), a surge bin (8), a belt conveyor (9) and a control terminal (7). The train bulk cargo loading system having the disconnected railroad track scale has a low overall height and a small footprint, thus reducing the construction and production costs. The system integrates loading, trimming, measuring and data sharing, and features uniform loading, balanced train wheel pressure, and accurate measuring. Thus, huge human and material resources consumption caused by uneven loading of an original loading system, large wheel pressure deviation and secondary trimming and measuring required by the railway department may be avoided, significantly reducing the construction cost and operation cost.

Abstract: Embodiments disclosed herein generally relate to systems and methods for emptying and/or cleaning a tray within in an assembly line grow pod. In one embodiment, a sanitizer component for cleaning a tray coupled to a cart in an assembly line grow pod is disclosed. The sanitizer component is coupled to a track such that the cart and the tray are received in the sanitizer component via the track. The sanitizer component comprises a first actuator arm positioned underneath the track and extendable through an opening in the track and an aperture at a bottom end of the cart to contact the tray such that the tray rotates in a first direction. The sanitizer component further includes an actuator motor coupled to the first actuator arm for extending the first actuator arm and a controller. The controller is communicatively connected to the actuator motor in the sanitizer component.

Abstract: The present disclosure is directed, in part, to methods of transferring discrete articles. A method comprises providing a transfer device having a frame defining a rotation axis, and circumnavigating a plurality of transfer heads of the transfer device about the rotation axis in an orbit, with the orbit passing through a pick-up location and a drop-off location. The method comprises providing a web accumulation device proximate to the drop-off location, moving the web through the web accumulation device at a variable speed, picking up a discrete article at the pick-up location, carrying the discrete article on the one of the plurality of transfer heads between the pick-up location and the drop-off location, and placing the discrete article onto a portion of the web in the drop-off location at a first discrete article pitch and when the portion of the web is moving at a first speed.

Abstract: An apparatus for feeding a solar panel includes a picker section which holds a plurality of solar panels; a first feeding section which makes the picker section reciprocate in a vertical direction; and a second feeding section which makes the picker section reciprocate in a horizontal direction, wherein the picker section includes: a main rail arranged in the horizontal direction; a plurality of picker units provided under the main rail, reciprocating in a lengthwise direction of the main rail, and holding and moving corresponding solar panels at a time; a connecting unit connecting neighboring picker units among the picker units, and restricting a space between the neighboring picker units not to go beyond a preset reference space; and an adjusting unit provided on the main rail to make the picker units move in the lengthwise direction of the main rail and adjust a space between the picker units.

Abstract: An agricultural vehicle includes: a chassis; a tank carried by the chassis; at least one meter module coupled to the tank, the at least one meter module having at least one gate; a gate control link coupled with the at least one gate of the at least one meter module; a control rod carried by the chassis; and a connector coupling the control rod to the gate control link at a connection interface such that movement of the control rod controls an open state of the at least one gate of the at least one meter module, the connector having a frangible portion adjacent the connection interface, the control rod and the gate control link uncoupling from one another upon a breaking force causing the frangible portion to break.

Abstract: A conveying machine for containers, comprising at least one base module having a predetermined length according to a feed direction of the containers and at least a supporting carriage for the containers slidably mounted on said base module. The base module and carriage together define a linear motor, wherein the stator is the base module and the rotor is the carriage. The machine comprises a supporting plate for the containers, which is rotatably mounted on the carriage and means for moving the plate, which is operatively connected to the plate to rotate it on itself.

Abstract: Various embodiments described herein generally relate to techniques for conveying articles on a conveyor system of a robotic carton unloader in a material handling environment. In accordance with an embodiment, the robotic carton unloader includes angled center guides for conveying and guiding one or more articles on one or more individually actuatable zones of the center conveyor. In this aspect, one or more zones may be actuated selectively to move rollers-driven belts of respective zones, in either of an upstream direction or a downstream direction, to separate and convey cartons on the center conveyor.

Abstract: A separation mechanism includes a body frame, a clamping mechanism, a lifting assembly, and a material frame. The clamping mechanism includes a driving motor mounted on the body frame, two rotating shafts driven by the driving motor, and at least one clamping assembly. A separation area is formed between the two rotating shafts. The clamping assembly includes a main cam mounted on the respective rotating shaft and a main clamping block following the main cam. The main cams being configured that when the rotating shafts rotate to an initial station, the main cams drive the main clamping blocks to withdraw to release the material tray, and when the rotating shafts rotate to a clamping station, the main cams drive the main clamping blocks to stretch to clamp the material tray. A feeding device is also provided, which is simple in structure, small in size, and convenient to control.

Abstract: A track system for a cart includes a plurality of curved modular track sections for the cart. Each of the plurality of curved modular track sections includes one or more rails configured to engage with the cart on the track, and one or more reservoir sections configured to receive liquid from the cart. Each of the plurality of curved modular track is tilted relative to ground by a predetermined angle such that the one or more reservoir sections are configured to direct the liquid to a predetermined area. Each of the plurality of curved modular track sections includes a gear system configured to engage with a gear of the cart.

Abstract: The present invention relates to a blocking device for blocking a vehicle and/or entrance to a loading-unloading station, a dock and/or distribution center provided therewith and method therefor. The blocking device includes: a guide track with guide track supports disposed along a driveway; a carriage attached to the guide track with a blocking element, with the carriage being capable of moving along the driveway; a blocking element extension mechanism configured to extend the blocking element between a retracted position and an extended blocking position; and a guide track drive configured for lifting and/or lowering the guide track. The guide track drive is further configured such that the guide track performs a horizontal movement when being lifted or lowered, and the vertical and horizontal movements are being performed simultaneously or successively.

Abstract: There is provided a sheet processing apparatus including a conveyance unit configured to convey a sheet, a creasing unit configured to form a first crease and a second crease different from the first crease on the sheet, and a detection unit configured to detect a direction of the first crease. When a second crease is to be formed after the formation of the first crease by the creasing unit, a direction of the second crease with respect to a widthwise direction of the sheet is controlled based on a detection result of the detection unit.

Abstract: A first sheet product 1 is gripped between an additional conveyor 2 and a feeding conveyor 3 at a downstream end of the additional conveyor 2. Subsequently, subsequent sheet products 1 are moved back by the feeding conveyor 3 to he separated from the first sheet product 1. Subsequently, the first sheet product 1 is supplied by the additional conveyor 2.

Abstract: A belt conveying apparatus includes: an endless belt member; a belt conveying roller that rotatably stretches the belt member; a pair of regulating members, disposed at both end parts of the belt conveying roller, that regulates movement of the belt member in a width direction thereof; a moving mechanism that moves at least one of the pair of regulating members in the width direction; and a supporting member that supports the belt member in an area extending in the width direction after the regulating member has moved.

Abstract: The image forming device includes a recording paper setting plate on which media are set, a paper end sensor lever, and a print control section that controls the whole of the device. The paper end sensor lever includes a paper contact part for detecting a first condition in which there are no media set on the recording paper setting plate and an arm contact part for detecting a second condition in which the amount of the media set on the recording paper setting plate is smaller than a prescribed amount.

Abstract: A sheet conveying device, which is included in an image forming apparatus, includes a detector to detect a lateral end face of a sheet, a first pair of rollers to hold and convey the sheet and swing in a direction parallel to a plane of the sheet, a second pair of rollers to convey the sheet together with the first pair of rollers, and a controller to rotate the first pair of rollers to multiple angles, detect time changes at each angle at the lateral end face while conveying the sheet, and determine a home position corresponding to a position where respective rates of the time changes of the sheet at the first and second nip regions are substantially identical to each other or a home position having a least difference of rates of the time changes of the sheet at the first and second nip regions.

Abstract: Web-wound rolls with a web edge treatment by printable adhesive compositions and processes to make the same are provided. The web-wound rolls include a substrate web having at least two web edges. One or more quantities of adhesive are disposed and subsequent curing adjacent to one or both of the web edges. The substrate web is wound upon itself in multiple revolutions about a central core, and each revolution is held substantially separate from the next by the adhesive.

Abstract: An unwinding assembly comprising first and second unwinding and handling units comprising respective robots having respective wrists movable under the control of at least one electronic control unit, wherein each of said unwinding and handling units comprises a respective unwinding device mounted on the wrist of the respective robot. The present invention also relates to an unwinding and handling unit capable of handling the reel carried by it with high freedom of movement, while maintaining small dimensions.

Abstract: A method for automatically replacing reels in an unwinding assembly capable of carrying out the handling operations of the reels, as well as preparing and joining the tail of the web of the finished reel with the head of the web of the new reel in a simple, efficient way, reducing the risk of malfunctions and maintaining the correct orientation of the new web as that of the finished web.

Abstract: The invention relates to a winding device (500) for web-type material, wherein the winding device (500) has at least one first frame (501) and at least one first roll holding device (519) having at least one roll holding means (522) that is rotatable about a first rotational axis (521), and wherein the winding device (500) has at least one throw-on element (503), and wherein the at least one throw-on element (503) is disposed movably relative to the first frame (501) in at least one adjustment direction (B) and/or opposite said at least one adjustment direction (B), and wherein this at least one adjustment direction (B) has at least one component that points toward the first rotational axis (521), and wherein a guidance system (504) for at least one webbing-up means for webbing up at least one material web (02) is disposed such that a first guidance section (506) of the guidance system (504) is disposed fixedly relative to the at least one first frame (501), and in that regardless of the position of the at le

Abstract: A sheet conveying apparatus includes a storage portion to store a sheet, first and second stack portions, first and second conveyance paths to convey a sheet towards the first stack portion and the second stack portion, respectively, a first conveyance unit, a reverse path, and a second conveyance unit. The first conveyance unit is provided downstream of the first conveyance path and reverses and conveys a sheet conveyed to the first conveyance path. The reverse path conveys, once more to the first conveyance path, a sheet that has been reversed by the first conveyance unit. The second conveyance unit is provided in the second conveyance path and downstream of an intersection point between the second conveyance path and the reverse path. While conveying and reversing a sheet conveyed to the second conveyance path towards the reverse path, the second conveyance conveys the conveyed sheet towards the second stack portion.

Abstract: According to one embodiment, a sheet post-processing apparatus has a sheet discharge tray, a drive motor, a power transmission breaker, a first power transmitter, a second power transmitter, and a load reducer. The sheet discharge tray stacks sheets. The drive motor raises and lowers the sheet discharge tray. The power transmission breaker can cut off power transmission from the drive motor to the sheet discharge tray when an upward external force is applied to the sheet discharge tray. The load reducer provides a reverse load to the sheet discharge tray in a reverse direction to the load generated on the sheet discharge tray due to stacking of the sheets. The load reducer is connected to the first power transmitter.

Abstract: A counter-ejector comprises: an elevator including a table displaceable in a forward-backward direction parallel to a feeding-out direction; a backward restriction member for restricting a situation where backward edges of corrugated paperboard sheets in a batch are displaced in a direction opposite to the feeding-out direction; table upward-downward movement drive device; a table displacement drive device; and a control device. The control device executes a table downward movement control processing such that the table is displaced backwardly in at least part of a time period when the table is moved downwardly from the hopper part to a table stop position and a time period when the table is stopped at the table stop position, and a table upward movement control processing such that the table is displaced forwardly in a time period when the table is moved upwardly from the table stop position to the hopper part.

Abstract: A plastic film applicator includes an applicator body including a mandrel and a grip connected to the mandrel, and a brake device including a bearing ring detachably mounted between the mandrel and grip of the applicator body for enabling the elastic braking pad to be biased toward the applicator body by an external force and an elastic braking pad having one end thereof connected to the bearing ring and elastically biasable by an external force. After the user attached a plastic film roll onto the mandrel of the applicator body, the user can press the thumb on the elastic braking pad to timely force the elastic braking pad toward the plastic film roll, forcing the abutment protrusion of the elastic braking pad into abutment against the film roll shaft, and thus, a braking effect is provided to the film roll shaft to stretch the extended plastic film for wrapping.

Abstract: A spool wire storage device includes a cabinet body, a door for providing access to an interior of the cabinet body, and a plurality of U-shaped spooled wire storage trays mounted within the cabinet body. The U-shaped spooled wire storage trays include a U-shaped bottom shelf, and a U-shaped sidewall extending upward from the U-shaped bottom shelf. The U-shaped bottom shelf and the U-shaped sidewall form an open front portion of the storage tray extending between terminal ends of the U-shaped sidewall. The U-shaped bottom shelf declines from the open front portion rearward. A spool of wire is located in each of the plurality of U-shaped spooled wire storage trays. A base is located beneath the cabinet body. The base forms a first fork channel and a second fork channel configured to receive forklift forks.

Abstract: An automated filament exchange method includes: locating the spool for winding the first filament for the 3D printer; winding the first filament on the subspace of the spool located at the spool location step; allowing the first filament wound at the subspace first filament winding step to pass through a gap formed on the main space flange located between the main space and the subspace; and winding the first filament located at the main space of the spool on the main space of the spool, wherein after the first filament is wound on the subspace of the spool, the first filament passes through the gap and is then wound multi-layeredly on the main space of the spool.

Abstract: An illustrative example embodiment of an elevator system includes: a plurality of elevator cars; a plurality of elevator machines, respectively associated with the elevator cars to selectively cause movement of the associated elevator car, at least some of the elevator machines respectively operating in a first mode including consuming power and in a second mode including generating power; a power source having a power output threshold and a power intake threshold; and at least one controller that is configured to determine when the power source is providing power for the elevator system, and dynamically adjust how the plurality of machines move the elevator cars to maximize a number of the plurality cars being used to move passengers while keeping power consumption by the elevator system below the power output threshold and keeping power generation by the elevator system below the power intake threshold.

Abstract: An elevator system includes an elevator car; a guide rail; and a linear synchronous reluctance motor including: a primary circuit having a plurality of primary poles and windings about the primary poles; a secondary circuit having a plurality of secondary poles; the primary circuit coupled to one of the elevator car and the guide rail, the secondary circuit coupled to the other of the elevator car and the guide rail.

Abstract: A method for driving an elevator car brake device, an elevator system for executing the method, and a computer program implementing the method involve the brake device including at least one automatically releasable pressure element effecting a braking action and an electromagnet automatically releasing the pressure element, wherein a respectively required braking torque of the car is ascertained using a model of the elevator system, a direction of car travel, a state of load of the car and a desired car deceleration. A drive signal for driving the electromagnet is generated based on the braking torque and is supplied to the electromagnet, wherein, when the car is braked, an actual car deceleration is ascertained and calibration is performed based on the ascertained actual car deceleration, specifically calibration of the ascertained required braking torque or calibration of the drive signal that is generated based on the ascertained required braking torque.

Abstract: A device and a method for controlling an apparatus being an elevator, an escalator or automatic doors are provided, by which it is detected whether a fault is present in the apparatus, it is determined, when the fault is present, whether an automatic fault clearing may be carried out, and if it is determined that the automatic fault clearing may be carried out, the automatic fault clearing is performed by automatically clearing one or more faults.

Abstract: A method for controlling an apparatus being an elevator, an escalator or automatic doors is disclosed. The method comprises detecting a fault in the apparatus, receiving a remote fault clearing command, clearing one or more faults and exiting a fault state of a controller of the apparatus related to the detected fault, and entering an operation mode for controlling the apparatus. Also, a corresponding control device is disclosed.

Abstract: An illustrative example assembly for determining a load on an elevator car includes a plurality of terminations respectively configured for securing an end of a load bearing member. A plurality of strain gages are respectively secured to a portion of respective ones of the plurality of terminations so that each of the terminations includes at least one of the strain gages. A load determining processor receives indications from the plurality of strain gages and determines a load on the elevator car based on the received indications.

Abstract: An elevator system has a control system linked to a plurality of functional components and a plurality of individually configurable user interfaces. Each of the user interfaces has a light detection unit with a light sensor. A portable configuration device has a human-machine interface, a light source and a data processing unit that codes data entered by a user via the human-machine interface for controlling the light source to generate a sequence of lights of different brightnesses. This sequence of lights is detected by the light detection unit and converted into an item of information used to configure the user interface, for example, to transmit to the control system a position at which the user interface is located. Thus, the control system can clearly identify user interfaces that are connected in series.

Abstract: A lift system for protecting the privacy of passengers. The lift system having a lift car that can be moved between floors of a building. The lift car having a video camera arranged in the lift car. The video camera being a part of a video system that also includes a video monitor for displaying information relating to the interior of the lift car. A video control device is communicatively connected to and controls the video system in a selective manner according to one of several operating modes. The several operating modes include a first operating mode in which the video system is deactivated or activation is blocked, so that the video system remains in an inactive state, if a passenger asks for the video system to be deactivated. When in the first operating mode the video system remains in the inactive state for as long as the passenger is in the lift car.

Abstract: Disclosed is an elevator control system configured to control movement of an elevator car (12) along an elevator hoistway (26) between a starting position and a destination position (L2), the control system comprising a car holding position monitoring unit configured to monitor whether the elevator car (12) has moved upwards or downwards in the hoistway (26) during a holding period (68) where the car (12) was intended to remain stationary at the destination position (L2).

Abstract: An elevator car has at least one balustrade attached to a roof of the elevator car, which balustrade can be pivoted about a rotation axis between a folded-down position, in which the balustrade is arranged essentially horizontally, and a raised position, in which the balustrade is arranged essentially vertically. The balustrade is mechanically coupled to a 3-state switch, which switch can adopt three different switching states. The balustrade and the 3-state switch thus cooperate such that the 3-state switch adopts a first switching state when the balustrade is in the folded-down position, the 3-state switch adopts a second switching state when the balustrade is in the raised position, and the 3-state switch adopts a third switching state when the balustrade is in neither the folded-down position nor the raised position.