Abstract: A speed monitoring device for measuring a rotational frequency or rotational speed of a main drive shaft of a passenger transportation system can include at least one rotational speed sensor having an input shaft, a pinion, and a tapping device arranged on a shaft casing surface of the main drive shaft of the passenger transportation system. Furthermore, there is also a bracket for attaching the rotational speed sensor and the pinion in a stationary position relative to an axis of rotation of the tapping device, the tapping device having a gearing which can be coupled to the pinion in a rotation-transmitting manner, and the pinion being rotatably mounted in the bracket at two bearing areas.

Abstract: The invention relates to a passenger conveyor, such as an escalator or autowalk, comprising a band of conveying elements; a diverting wheel for diverting the passage of the band of conveying elements and/or a traction member thereof and a brake for braking rotation of the diverting wheel. The brake comprises a screw member having a conical threaded external rim; a nut member having a conical threaded internal rim, the screw member and nut member being screwed together, one of said screw member and nut member being connected with the diverting wheel for being driven by the diverting wheel. The brake further comprises a stopping device for stopping rotation of the other of said screw member and nut member.

Abstract: A drive belt segment (22) for forming a drive belt (20), in particular an endless drive belt (20) configured to be employed in a people conveyor (1), has two opposing ends and extends in a longitudinal direction between the two opposing ends. Each end is provided with a connector (30) which is configured for being connected to a corresponding connector (30) of the same or another drive belt segment (22) for forming an endless drive belt (20).

Abstract: Embodiments of the present invention relate to a conveying system for conveying an item to be conveyed. The conveying system comprises a conveying track which comprises a conveying surface on which the item to be conveyed is placeable, wherein the conveying track comprises a coupling surface formed adjacent to the conveying surface, wherein the coupling surface comprises a first coupling profile. The conveying system further comprises at least one conveying drive for driving and/or braking the conveying track, wherein the conveying drive comprises a second coupling profile. The first coupling profile is coupled with the second coupling profile in such a way that the conveying drive is coupled with the conveying track in an interlocking manner for transferring a conveying force.

Abstract: Power is recovered from an escalator or a moving walkway as the step orbits an endless track on rollers. A generator is connected to a roller orbiting the track. A battery backup is provided. The power is used for emergency lighting on the step, and for data transmission. Advertising and messages are displayed on a dynamic video screen mounted on the step. The apparatus is mostly contained within the escalator step. Information is communicated wirelessly to a remotely located central control station and back to the step, so as to display information in real time and to update advertising while the escalator is in operation. The central control station also monitors performance parameters. The visual display can include LED lighting.

Abstract: A polygon compensation coupling system for reducing a polygon effect in a chain driven system is disclosed. The polygon compensation coupling system may include a chain sprocket and a main drive in engagement with the chain sprocket, such that the engagement defines a compensation curve to reduce the polygon effect.

Abstract: A device for driving a handrail of a passenger conveyor includes an endless drive element that is driven by a motor. Support rolls are disposed on the side of the drive element which lies opposite to the handrail, and the drive element is supported on the support rolls by a belt.

Abstract: A conveyor for transporting a product, the product being preferably in the form of respective articles, in particular articles of the tissue industry, including a means for supporting and guiding an endless conveyor belt, especially one of the type with articulated links, the belt including at least one respective positive stretch, in particular for transporting the product, and preferably a return stretch, if necessary positioned under the respective longitudinal transporting stretch; and means for driving the conveyor belt and including a means for engaging the respective link of the conveyor belt and, more specifically, means which are adapted to engage a rear-facing surface of the respective conveyor belt link, the means for engaging and driving the conveyor belt being adapted to engage a respective longitudinal stretch, preferably rectilinear, of the conveyor belt itself.

Abstract: A tread element (12) for a passenger conveyor (10); the tread element (12) comprising a tread (14) defined by a front side, a rear side, a first lateral side and a second lateral side; a riser (16) comprising a riser panel (18) adjacent the rear side of the tread (14) and pivotably connected to the tread (14); at least one tread chain axle (28) adapted to connect the tread element (12) to the at least one tread chain (22); at least one tread roller (42) adapted to engage with a guide element (36) of the passenger conveyor (10) to adjust the position of the tread (14) with respect to the riser (16); and at least one cantilever arm (40) supported at its one longitudinal side by the tread chain axle (28) and supporting the tread roller (42) at its opposite longitudinal side.

Abstract: A pallet conveyor (70), in particular a people conveyor, comprises a plurality of pallets (8) interconnected to form an endless pallet band which is moveable in a conveying direction, and a pallet chain (50) drivingly coupled to the pallet band. The pallet chain (50) comprises a plurality of pallet chain links (42; 44); the pitch of the pallet band is larger than the pitch of the pallet chain (50); and each pallet is (8) non-rotatably connected to or integrally formed with at least one of the pallet chain links (42; 44).

Abstract: A transportation element (7; 8; 9) for a people conveyor (70), which is configured to be moved in a conveying direction, comprises a lower flange (24); an upper flange (22); and an intermediate element (26) connecting the upper the flange (22) with the lower flange (24).

Abstract: A system includes a variable frequency drive (VFD) comprising an inverter having an output configured to be coupled to a motor and a switch configured to couple a power source to the motor to bypass the VFD. The system further includes a control circuit configured to synchronize the VFD to the power source, to operate the switch to couple the power source and the VFD in parallel and to subsequently disable the inverter responsive to a current of the inverter. In some embodiments, a PWM frequency of the VFD may be temporarily increased when transferring the motor from the power source to the VFD.

Abstract: A safety system for a moving walkway having a continuous loop of steps driven by a drive system and missing step detector adapted to detect a missing step from the loop of steps. The safety system comprises: an interrupt unit adapted to control the drive system to disable automatic movement of the loop of steps upon detection of a predetermined event and adapted to subsequently control the drive system to enable automatic movement of the loop of steps only after a safety procedure has been completed without a missing step being detected by the missing step detector. The safety procedure comprises causing a step to traverse an entire loop under manual control of the drive system.

Abstract: A moving walkway pallet is composed of a series of plates of a plate belt arranged to circulate between two deflecting regions of the walkway. Each plate has a base body with a base surface to which a tread element can be attached. The plates are pivotally connected to each other along pivot axes (SA) extending across a width (B) of the plates. The pivot axis is located either in a plane containing the base surface or above the side of the plane, remote from the base body. The base body has a width base body cross-section having a geometric center of gravity arranged below the base surface.

Abstract: A conveying device with an extensively extended conveying element that is led in a revolving manner along a conveying direction, is deflected at the head-ends of the conveying device and is laterally enclosed by side closure beams. The conveying device includes a drive device with a drive motor to drive the conveying element. The drive device is arranged between the two head-ends, between the side closure beams, and between the upper conveying section and the lower return section of the conveying element. The drive device includes a drive element that is arranged in a revolving manner about two deflection pivots spaced from one another in the conveying direction, and is driven by the drive motor. The drive element supports the upper conveying section of the conveying element, which is arranged at the top, and with this forms a contact fit for transmitting a drive force onto the conveying element.

Abstract: A drive system (10) that is operable to drive a conveyor band (12) includes a drive motor (26), inner and outer drive shafts (28, 30), a gearbox (32), and a band engagement member (34, 36). The inner drive shaft (28) includes first and second ends (38, 40), the first end (38) being connected to the drive motor (26). The gearbox (32) includes input and output portions, the input and output portions being in geared connection with one another, and the input portions being connected to the second end (40) of the inner drive shaft (28). The outer drive shaft (30) includes a cavity (46) that extends through at least a portion of the outer drive shaft (30). The outer drive shaft (30) is connected to the output portion of the gearbox (32). The band engagement member (34, 36) extends radially outward from an outer surface of the outer drive shaft (30). At least a portion of the inner drive shaft (28) is positioned within the cavity (46) of the outer drive shaft (30).

Abstract: A polygon compensation coupling system for reducing a polygon effect in a chain driven system is disclosed. The polygon compensation coupling system may include a chain sprocket and a main drive in engagement with the chain sprocket, such that the engagement defines a compensation curve to reduce the polygon effect.

Abstract: A drive chain band for a chain drive device having chain links and pins is provided. The drive chain band may include one or more drive bands, and a plurality of connectors disposed on the one or more drive bands. Each connector may have a toothed profile configured to directly receive and engage the pins.

Abstract: A self-clamping handrail device includes a belt-handrail compound comprising a first belt, a second belt coupled to the first belt, and a handrail coupled to the second belt, a counter bar and a clamping frame configured to support the belt-handrail compound as the belt-handrail compound passes between the counter bar and the clamping frame, the clamping frame configured to move about a clamping curve based on a tension force applied to the handrail, and the first belt and the second belt applying a normal force to the handrail based at least in part on the tension force.

Abstract: Embodiments of the invention provide a long-distance transport system for people in an inclined lane, in which the system includes a plurality of hydraulic driving units, a traction chain, a truss, supporting guide rails and retractable pedals. According to an embodiment of the invention, the truss is formed by a plurality of truss units sequentially connected end to end. Each truss unit is provided with the hydraulic driving unit. The traction chain and the supporting guide rails are all arranged in the length direction of the truss. The traction chain is driven by and connected with the plurality of the hydraulic driving units. The retractable pedals are arranged on the traction chain and are provided with supporting rollers rolling along the supporting guide rails.

Abstract: The invention relates to an escalator with a step belt or to a moving walkway with a plate belt. The step belt or plate belt has a link chain which contains engagement points arranged in succession at theoretically equal engagement spacings. The escalator or moving walkway has a first deflecting region and a second deflecting region with chainwheels. The link chain is arranged to circulate between the deflecting regions and the engagement points engage in tooth gaps of the chainwheels. The chainwheels have a pitch circle with a pitch which is referred to the tooth gaps and corresponds with half an engagement spacing of the link chain.

Abstract: Power is recovered from an escalator or a moving walkway as the step orbits an endless track on rollers. A generator is connected to a roller orbiting the track. A battery backup is provided. The power is used for emergency lighting on the step, and for data transmission. Advertising and messages are displayed on a dynamic video screen mounted on the step. The apparatus is mostly contained within the escalator step. Information is communicated wirelessly to a remotely located central control station and back to the step, so as to display information in real time and to update advertising while the escalator is in operation. The central control station also monitors performance parameters. The visual display can include LED lighting.

Abstract: A safety brake of an escalator or moving walkway includes at least one locking member, which is arranged so as to adopt a release setting or locking setting by means of a pivot movement. The locking member in the locking setting engages in at least one moved part of the escalator or the moving walkway and blocks this. In addition, the safety brake comprises a linear guide by which the locking member is linearly guided between a first position and a second position. The linear guide is mounted on a stationary part of the escalator or the moving walkway by a pivot axle.

Abstract: A drive system provides a displacement mechanism for driving motion of a device using energy stored in an energy accumulator in a non-electric form. A charge/discharge arrangement selectively charges the energy accumulator with energy derived from an energy source while isolated from the displacement mechanism, and the connects the energy accumulator to the displacement mechanism to provide energy for driving motion of the device. The energy accumulator may be hydraulic, pneumatic or gravitational. Examples of devices driven by the system include elevators, escalators and vehicles.

Abstract: A tread plate assembly for a passenger conveyer system includes a first tread plate projecting from a first skirt plate, a second tread plate projecting from a second skirt plate and arranged adjacent the first tread plate, a link pivotally connected to the first skirt plate and slidably and pivotally connected to the second skirt plate, and a bridge member connected to the link and arranged between the first skirt plate and the second skirt plate to form a moving skirt of the passenger conveyer system.

Abstract: A drive system for transport of a passenger transport installation including an escalator or a moving walkway. Steps or pallets of the transport are actively connected to pulling elements which can be moved in the transport direction by at least one electric motor provided with a gear train having a chain wheel. The electric motor containing the gear train is positioned in one of the reversing areas of the transport and a further electric motor exclusively serves for the linear motion of the transport. Bushes/rolls of plate link chains are adjacent to or roll along individual teeth of the chain wheel while only getting into line contact, outside the tooth ground of the chain wheel. A point of force application of the bushes/rolls on the respective tooth of the chain wheel is realized such that only a one-directional force application component is generated at the respective tooth.

Abstract: A bidirectional moving walkway with a tightening system for tightening the band of pallets of the walkway includes two tightening units (6, 6?) arranged at each end of the moving walkway and each including a locking system for locking the movable frame (7) of each end tightening unit (6, 6?). Two drive units (3, 3?) are each arranged at either end of the moving walkway. The locking system of each tightening unit (6, 6?) of either end of the walkway is configured for locking the operation of the tightening unit (6, 6?) when the drive unit (3, 3?) of its same end is operated, such that the moving walkway always works with the tightening unit operated by the passenger entrance end and locked by the passenger exit end.

Abstract: An exemplary device for controlling power associated with a passenger conveyor motor includes a regenerative drive that is configured to facilitate providing electricity generated by the motor to a power source when the passenger conveyor is moving. The controller determines when an operating condition of the regenerative drive is outside of a desired range and responsively prevents the regenerative drive from facilitating providing the electricity to the power source.

Abstract: A moving walkway including a band (1) of pallets (2) moveable on side guides (4-5) and a drive mechanism formed by a pair of drive wheels (6) having a common shaft (7). The wheels have free-rotating peripheral rollers (9) engaging with formations (15) of the pallets (2) on their inner surface.

Abstract: A method for assembling a drive system for an escalator system includes securing one or more track sets extending along a path of the escalator to one or more support members extending at least partially across a width of the escalator system. A drive member is secured to the one or more support members such that the drive member is operably connected to the one or more track sets. The one or more track sets, the one or more support members and the drive member are installed into the escalator system as a unit.

Abstract: Provided is a missing step detection device which can be miniaturized even when the clearance between adjacent steps is wide.

Abstract: A power transmission system for a people mover includes a transmission housing, a first motor having a motor shaft, an output gear located inside the transmission housing, and a plurality of gears located inside the transmission housing. The plurality of gears includes an output gear located inside the transmission housing, and first and second reduction gears cooperating to drive the output gear. At least one of the first and second reduction gears has an input/output shaft extending outside the transmission housing. The system also includes an external reduction stage located outside the transmission housing and driven by the first motor shaft to rotate the input/output shaft.

Abstract: A conveyor system includes an electric motor to move a conveyor. A voltage determining device is coupled to an alternating-electricity source that supplies alternating electricity to the conveyor system. A power supply appliance supplies power between the electric motor and the alternating-electricity source. The power supply appliance includes an inverter and an inverter control. The inverter includes a rectifying bridge and a motor bridge. The rectifying bridge input is coupled to the alternating-electricity source and the rectifying bridge output is coupled to the motor bridge input. The motor bridge output is coupled to the electric motor. The inverter control is coupled between the voltage determining device and the motor bridge. The inverter control is responsive to frequency and phase of the determined voltage of the alternating-electricity source to adjust the frequency and phase of the motor bridge output voltage such that the motor bridge output voltage is made to be essentially constant.

Abstract: A people mover comprising a plurality of steps or palettes to carry and move people. A transmission chain formed into an endless loop is connected to the steps or palettes via which the steps or palettes are moved. The transmission chain comprises consecutive chain links connected in a hinged manner to each other such that the chain links are bendable in relation to each other in a first direction (I) and in a second direction (II). Two turning elements are provided around which the transmission chain is arranged to pass. The consecutive chain links of the transmission chain bend in relation to each other in the first direction (I) when passing around the respective turning elements. A bending limitation mechanism is arranged to limit bending of the transmission chain occurring in the second direction (II).

Abstract: An escalator includes a plurality of steps or panels, a chain for driving the steps or panels, at least one chain wheel around which the chain is deflected and wherein the chain, starting from the chain wheel, forms an upper strand and a lower strand. There is also provided a device for the polygonal compensation of the movement of the at least one chain wheel. The effective lever arm of the chain on the at least one chain wheel in the upper strand is substantially equal to the effective lever arm of the chain on the at least one chain wheel in the lower strand.

Abstract: An escalator includes a plurality of steps or panels, a chain for driving the steps or panels, at least one chain wheel around which the chain is deflected and wherein the chain, starting from the chain wheel, forms an upper strand and a lower strand. There is also provided a device for the polygonal compensation of the movement of the at least one chain wheel. The effective lever arm of the chain on the at least one chain wheel in the upper strand is substantially equal to the effective lever arm of the chain on the at least one chain wheel in the lower strand.

Abstract: An escalator includes a plurality of steps or panels, a chain for driving the steps or panels, at least one chain wheel around which the chain is deflected and wherein the chain, starting from the chain wheel, forms an upper strand and a lower strand. There is also provided a device for the polygonal compensation of the movement of the at least one chain wheel. The effective lever arm of the chain on the at least one chain wheel in the upper strand is substantially equal to the effective lever arm of the chain on the at least one chain wheel in the lower strand.

Abstract: Drive system for escalators and moving walkways, comprising a set of wheels (3) carrying free-rotating rollers (4), with parallel axes to that of the wheels, and one or more shafts (5) perpendicular to the movement direction of the belt of steps or pallets (1), in which said roller wheels are mounted. The shafts (5) and wheels (3) are arranged between the moving forward way and the return way of the belt of steps or pallets (1). The wheels (3) engage through the rollers (4) with the steps or pallets (1) through engaging formations (7) of said belt of steps or pallets (1). The shafts (5) connect to a driving assembly through a transmission mechanism.

Abstract: A drive system for transport of a passenger transport installation including an escalator or a moving walkway. Steps or pallets of the transport are actively connected to pulling elements which can be moved in the transport direction by at least one electric motor provided with a gear train having a chain wheel. The electric motor containing the gear train is positioned in one of the reversing areas of the transport and a further electric motor exclusively serves for the linear motion of the transport. Bushes/rolls of plate link chains are adjacent to or roll along individual teeth of the chain wheel while only getting into line contact, outside the tooth ground of the chain wheel. A point of force application of the bushes/rolls on the respective tooth of the chain wheel is realized such that only a one-directional force application component is generated at the respective tooth.

Abstract: A passenger conveyor (10), comprises: an endless tread band, the endless tread band comprising a plurality of treads (24), at least one endless drive chain (26), the drive chain (26) being driven around a first and a second turnaround section (14) by means of a drive, the drive chain (26) comprising a plurality of drive chain links (18), each of the drive chain links (18) having associated thereto a respective drive chain roller (30), consecutive of the drive chain links (18) being connected via the drive chain rollers (30), a plurality of the treads (24) being connected to the drive chain (26), and at least one panel member (12) located on a lateral side of the treads (24) such as to be movable with respect to the treads (24), the at least one panel member (12) being supported such as to remain stationary with respect to one of the drive chain links (18), wherein each of the treads (24) is associated with a plurality of consecutive panel members (12).

Abstract: The invention relates to a switch arrangement of an electric motor drive (1). The electric motor drive comprises safety switches (3) determined by the safety of the drive, a controlled mechanical brake (4), a power supply circuit (5) of the brake control, a power converter (6), which power converter comprises a network rectifier (7) and a power rectifier (8) of the motor. The power rectifier of the motor is at least partly implemented with controlled semiconductor switches (9, 10) arranged into a bridge. The power converter comprises an intermediate circuit (11, 12) between the network rectifier and the power rectifier of the motor. The switch arrangement comprises normally-open switches (13, 14) in the intermediate circuit of the power converter (6).

Abstract: A balustrade assembly includes a decking panel and a skirt panel that are attached to one another and to a balustrade support structure without fasteners. A positioning device included in the balustrade assembly varies the position of the skirt panel relative to moving steps in two directions by pushing against stationary components that are a part of or otherwise connected to a frame of a passenger conveyor. A balustrade support employed in the assembly reduces material and manufacturing costs and is adjustable to vary the height of a balustrade panel and handrails in a passenger conveyor.

Abstract: A passenger conveyor includes a releasable step locking system having a clamp, a lock, and an actuator. The clamp couples a step to a propulsion mechanism, the lock secures the coupling between the step and the propulsion mechanism, and the actuator changes the state of the lock so that the propulsion mechanism can be either engaged or disengaged from the step.

Abstract: The invention relates to a turnaround curve system for a chain conveyor system, having a chain having linear traction which is driven in turnaround sections by means of turnaround guides (7). The turnaround guides (7) have a geometry obtained by means of a family of curves corresponding to paths defined by six points (1-6), the six points (1-6) corresponding to six linkage positions of consecutive links of the chain in the turnaround sections. The system allows the turnaround sections to be more compact and extend the life of the rollers of the chain, since the rollers are subjected to smaller loads.

Abstract: A footstep guide rail (3) (rail body 3a) is arranged so that a level H of a horizontal surface is set at the position obtained by adding a designated offset ? to a tangential line L of a drive sprocket (9) and the footstep guide rail (3) is provided, at its one end on an introductory side of the drive sprocket (9), with a curved part (13). At a reference position closest to the drive sprocket (9), the horizontal surface of the footstep guide rail (3) is changed to the curved part (13). Consequently, it is possible to absorb velocity unevenness of one footstep roller approaching the drive sprocket (9).

Abstract: An escalator includes a plurality of steps or panels, a chain for driving the steps or panels, at least one chain wheel around which the chain is deflected and wherein the chain, starting from the chain wheel, forms an upper strand and a lower strand. There is also provided a device for the polygonal compensation of the movement of the at least one chain wheel. The effective lever arm of the chain on the at least one chain wheel in the upper strand is substantially equal to the effective lever arm of the chain on the at least one chain wheel in the lower strand.

Abstract: An escalator includes a plurality of steps or panels, a chain for driving the steps or panels, at least one chain wheel around which the chain is deflected and wherein the chain, starting from the chain wheel, forms an upper strand and a lower strand. There is also provided a device for the polygonal compensation of the movement of the at least one chain wheel. The effective lever arm of the chain on the at least one chain wheel in the upper strand is substantially equal to the effective lever arm of the chain on the at least one chain wheel in the lower strand.

Abstract: A transport system for the movement of passengers/goods formed by a moving endless belt having: a series of pallet assemblies; drive equipment for transmitting a drive movement from actuating equipment to the pallet assemblies in a low speed section located in an embarking/disembarking area of the endless belt; drive equipment for transmitting a drive movement from actuating equipment to the pallet assemblies in a high speed section located in a middle area of the endless belt; and drive equipment for transmitting a drive movement from actuation equipment (400?) to the pallet assemblies in a transitional speed section located between the embarking/disembarking area and the middle area of the endless belt.

Abstract: The invention relates to an escalator or moving walkway that includes a drive shaft rotating at a relatively low peripheral speed around a horizontal axis and at least one sealing element associated with the drive shaft. Lubricant is supplied to the drive shaft and can escape from leakages at the one sealing element. A device is provided for a permanent recirculation of the lubricant escaping from the leakages. The device includes at least one conveyor element arranged downstream of the sealing element, seen in the direction of the leakage, and at least one recirculation element for the lubricant. The recirculation element cooperates with the conveyor element to return the lubricant into a region upstream of the at least one sealing element.

Abstract: A conveyance device has two endless arrangements of tread steps, step plates or pallets driven in a transportation direction by a drive. Adjacent to a first longitudinal side of the first arrangement is a first balustrade with a handrail, and adjacent a second longitudinal side of the first arrangement is a second balustrade and handrail. The second arrangement is located parallel and next to the first arrangement and is also driven by the drive. The second balustrade is configured as a center balustrade between the two arrangements to be used by persons on both arrangements. A third balustrade and handrail is adjacent a second side of the second arrangement.