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| Number | Title | Issue Date |
| 7950514 | Apparatus and method for variable torque braking of escalators and moving walkways A braking apparatus and method for an escalator or moving walkway are provided. The braking apparatus may include a braking element, a linearly controllable solenoid assembly, a biasing mechanism, and a control device. The braking element may be adapted to engage a ... | 05/31/2011 |
| 7931136 | Jam sensor for shopping cart conveyor A shopping cart conveyor system is designed to shut the system down in the event that a shopping cart becomes jammed. The system includes a track operable to guide a shopping cart between a first location and a second location, and a drive assembly for moving a shop... | 04/26/2011 |
| 7753190 | Transportation device with deflector apparatus An escalator or moving walk has respectively a step band and steps, or a moving walk with a pallet band and pallets. A balustrade has a handrail that is held by a balustrade skirt. Arranged on the balustrade skirt is a wedging guard apparatus or deflector apparatus ... | 07/13/2010 |
| 7568570 | Safety monitoring system for a people conveyor People mover (2) comprising an endless tread belt (6) formed from several tread elements (4) connected to one another, which is driven by a drive unit about a first and second reversal point (22), and a side skirt (24) moved along ... | 08/04/2009 |
| 7562758 | Safety device for transport systems A safety device is provided for transport systems such as walkways and stairs that include moving elements (1, 2) with longitudinal movements and in which one of the moving elements (1, 2) may undergo tilting movements in relation to an operating direc... | 07/21/2009 |
| 7497315 | Escalator drive system failure detection and brake activation An escalator drive assembly (30) includes a sensor that facilitates detecting when the normal drive assembly operation is interrupted, such that a brake should be activated. In one example, a sensor member (40) in the form of a flange (42) is as... | 03/03/2009 |
| 7407048 | Safety switch and method of checked redundancy An apparatus and method of disabling a drive system of a passenger conveying system is provided. The passenger conveying system is monitored with switches each arranged to detect a respective malfunction of the passenger conveying system. A shutdown signal is produc... | 08/05/2008 |
| 7404477 | Proximity hand rail monitor for a moving walkway The present invention discloses and teaches method and apparatus for the detection of a disengaged, moving, handrail on a people moving walkway particularly an escalator. By the present invention a proximity sensor is positioned beneath the handrail for detection of... | 07/29/2008 |
| 7387194 | Automatic passenger conveyor slow speed operation A passenger conveyor system (20) automatically reduces the speed of the conveyor responsive to a request from one or more potential passengers. In one example, a controller (32) receives information regarding a wirelessly transmitted signal (42)... | 06/17/2008 |
| 7353931 | Comb plate for passenger conveyor with moving flange Comb plate (18) for a passenger conveyor (2) with a conveyor band and a moving flange a number of teeth (24) arranged on it essentially parallel to one another across the width of the conveyor band, which mesh in use with grooves (6) prov... | 04/08/2008 |
| 7334672 | Method for detecting faults in a combplate and sensor combplate A combplate closes the terminal ends of a continuous belt transport system having grooved carrier plates. The combplate has a plurality of protrusions and a communications board. The plurality of spaced apart projections are located along the one lateral edge with a... | 02/26/2008 |
| 7269465 | Control system for controlling safety-critical processes There is provided a control system for controlling safety-critical processes that includes a fieldbus, a bus master for controlling a communication via the fieldbus, at least one signal unit for linking to at least one of the safety-critical processes, and a first c... | 09/11/2007 |
| 7264105 | Escalator with step brushes, step of such an escalator, and method of modernizing an escalator An escalator has steps has steps that have a step-tread surface with a step-tread edge. Step brushes are arranged on the step-tread edge perpendicularly or vertically. Step brushes may also be arranged on the edge of the step's step-riser edge. The brushes provide a... | 09/04/2007 |
| 7234583 | Escalator or moving walk An improved escalator or moving walk construction, head elements are pre-assembled as a sub-assembly which is subsequently mounted on the truss of the escalator. The sub-assembly includes comb plate holders, one on each side, which carry a comb plate. The comb plate... | 06/26/2007 |
| 7232028 | Cleaning unit for cleaning travel equipment, travel equipment with a cleaning unit and method for carrying out a cleaning sequence for cleaning travel equipment A cleaning unit for cleaning travel equipment allows the travel equipment to be shifted from an operating mode to a cleaning mode. The cleaning equipment is an escalator or a moving walkway which has tread units connected with an endless conveyor. The cleaning unit ... | 06/19/2007 |
| 7225912 | Escalator wheel monitor The present invention teaches a mechanical device that monitors the support wheels, or rollers, of a moving escalator stair step. The diameter of each support wheel is indirectly measured by determining the height of each support wheel axial above a given plane. Sup... | 06/05/2007 |
| 7210361 | Device for measuring the tightness of a transmission belt A device for measuring the tightness of a transmission belt comprises a hilt, an insertion tube, a frame, a retaining piece and an engaging piece. The hilt is provided with a transverse handle, a sleeve and a retractable axle having a section of a screw thread. The ... | 05/01/2007 |
| 7204361 | Escalator with riser brushes, step of such an escalator and method of modernizing an escalator An escalator with steps having a tread surface and riser surface has riser brushes arranged at the riser surface. The riser brushes provide a barrier for the gap which is normally present between the tread surface of a first step and the riser surface of an adjacent... | 04/17/2007 |
| 7191890 | Escalator or moving walkway with handrail entry, handrail entry of such an escalator or moving walkway, and method of reducing a gap in the handrail entry An escalator or moving walkway with a handrail and a handrail entryway has a finger contact protection cover, wherein the finger contact protection cover includes corrugated bristles. The corrugated bristles allow the gap between the handrail and the entryway to be ... | 03/20/2007 |
| 7140486 | Device for monitoring abnormality in a chain A chain monitoring device is provided with a base, guiding posts fixed to the base, a member movable along the guiding posts, a chain sprocket rotatable with a chain with its teeth being engaged into the chain, springs for resiliently urging the member for the engag... | 11/28/2006 |
| 7084588 | Method, apparatus and article for motor control voltage dropout detection A control subsystem for an electric motor determines whether power was interrupted, and delays torque production if power was interrupted. The control subsystem may employ two separate non-volatile memory locations, or alternatively a single non-volatile memory loca... | 08/01/2006 |
| 6997302 | Escalator drive mechanism with failure detection and backup An escalator drive assembly includes a backup member (40) that facilitates controlling movement of the escalator (20) even when the normal drive assembly operation is interrupted. A backup member (40) in the form of a flange (42) is assoc... | 02/14/2006 |
| 6999851 | Robot apparatus and motion controlling method therefor A robot apparatus and a motion controlling method for the robot apparatus wherein a reflex motion or the like can be performed at a high speed while decreasing the calculation amount of and the concentrated calculation load to a control apparatus. The robot has a co... | 02/14/2006 |
| 6976571 | Comb plate for people mover A comb plate (2) for a people mover with a step belt, having a base plate and a number of teeth (4) applied to one side of it, arranged essentially parallel to one another, which mesh in use with grooves in a people mover, whereby the comb plate (2 | 12/20/2005 |
| 6971496 | Escalator braking with multiple deceleration rates A braking system for an escalator having multiple rates of deceleration. When electrical protective devices (EPD) indicate that the escalator should be stopped, the main controller makes a determination as to whether the maximum rate of deceleration should be applie... | 12/06/2005 |
| 6966419 | Safety device for a passenger conveyor A safety device for a passenger conveyor such as an escalator or a moving walk having an improved safety performance and a simple configuration. The safety device separately detects the forward and upward displacements of a combplate beam 12 with respect to a... | 11/22/2005 |
| 6896119 | Method of stopping conveying equipment for persons The invention relates to a method for stopping conveying equipment for persons of the type that includes a drive motor, a frequency converter for controlling motor operation, and a holding brake. On activation of a safety element a the frequency converter decreases ... | 05/24/2005 |
| 6827196 | Method for stopping conveying equipment for persons The invention relates to a method for stopping conveying equipment for persons, wherein on response of a safety element a braking process performed by a frequency converter co-operating with a drive motor is initiated, by means of which the conveying equipment for p... | 12/07/2004 |
| 6814220 | Retaining device for a conveyor belt assembly A retaining device (10) for a conveyor belt assembly (12) which includes a clamping means (14) for clamping a conveyor belt (36) of the conveyor belt assembly, and a biasing means (38,40) for displacing the clamping means between a... | 11/09/2004 |
| 6793061 | Escalator or moving step assembly An escalator or moving step assembly includes a control unit, a plurality of input/output units each for providing data concerning a respective one of a location and a function of the escalator, and a standard bus system. The input/output units are connected to the ... | 09/21/2004 |
| 6766893 | Method and device for controlling the brake(s) of a device for transporting people A method and arrangement for controlling the respective brake of a device for transporting people, such as an escalator or a moving pavement in that the control signals for the drive motors and the brake are monitored with the aid of several processors. If functiona... | 07/27/2004 |
| 6758319 | Method for disconnecting transport systems and a security circuit for transport systems A method and a system for disconnecting passenger transport systems, especially escalators and moving walkways. Functional units of a passenger transport system monitor for malfunctions of the passenger transport systems by using switching elements and the signals o... | 07/06/2004 |
| 6752255 | Handrail-forming device for a high-speed moving walkway or the like The device includes a protection and safety assembly which covers the downstream end of said device and which, in said decelerated safety zone, includes a moving member disposed above said handrail elements and adapted to be entrained by a foreign body itself entrai... | 06/22/2004 |
| 6666319 | Safety device for escalators and moving walkways A device for monitoring the presence. of steps and pallets of an escalator or moving walkway, such that missing steps or pallets are immediately detected, so that the drive will be stopped before the missing or defective part reaches the visible area of t... | 12/23/2003 |
| 6644457 | Escalator combteeth force detector An escalator combtooth assembly for an escalator is responsive to combplate obstruction and generates an alarm signal when an obstruction is encountered. One or more combteeth plates are pivotally mounted to the front or leading edge at a combplate assemb... | 11/11/2003 |
| 6644210 | Shopping cart conveyor with front wheel alignment and turning system An inclined conveyor for transporting shopping carts between an upper floor and a lower floor. The inclined conveyor includes a continuous conveyor assembly having a conveyor belt including a plurality of spaced drive lugs that engage a shopping cart. The... | 11/11/2003 |
| 6637579 | Method and device for reducing the polygon effect in the reversing area of pedestrian coveyor systems The invention relates to a method for reducing the polygon effect that occurs over the course of the reversing of a chain which can be used for a pedestrian conveyor, especially an escalator or moving walkway. To this end, a different rotational speed is ... | 10/28/2003 |
| 6601688 | Passenger conveyor gap monitoring device A gap monitoring device (16; 19) for monitoring a gap (12) between a tread panel (4) of a passenger conveyor and individual tread elements (2) in a tread elements band of the passenger conveyor, characterized in that a space sensor (18; 34) is provided to... | 08/05/2003 |
| 6595344 | Strip barrier brush assembly A strip brush moving surface guard mounted on a fixed surface and projecting over the edge of the moving surface includes a base for the strip brush and an elongated holder secured to the fixed surface. The holder includes a drop-in recess for the base wi... | 07/22/2003 |
| 6591947 | Use of multi-state sensors Transport system (2), comprising a controller, a drive motor and a safety switch (18) that is connected to a safety-related part (8, 10) of the transport system (2) and is able to distinguish between a safe state of the transport system (2) and an unsafe ... | 07/15/2003 |
