| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 187266000 | Having cable guiding pulley wheel spaced therefrom | 38 |
| 20080277207 | Machine Room-Less Elevator - A machineroom-less elevator in which a counterweight is vertically moved behind a cage, with the cage and the counterweight being suspended in a jig back manner through a first and second diverting sheaves. In this machineroom-less elevator, a sufficiently large vertical stroke of the counterweight can be secured, while a durability of a hoist rope is improved. In addition, since no tensile difference is generated in respective parts of the hoist rope, vertical vibrations of the cage are prevented when the cage restarts a vertical movement. A traction sheave is disposed on one of right and left sidewalls of an elevator shaft. A first diverting sheave is disposed below and sufficiently apart from the traction sheave, and a second diverting sheave is disposed on a top of a rear wall of the elevator shaft. The traction sheave is disposed to be inclined relative to the sidewall such that a rotational axis thereof extends from the sidewall of the elevator shaft to the rear wall thereof, when viewed vertically from above. | 11-13-2008 |
| 20080289908 | SHEAVE SUPPORT APPARATUS FOR ELEVATOR - A sheave support apparatus for an elevator includes a car frame and a sheave support member. The car frame supports a car, and has a beam extending in a horizontal direction. The sheave support member rotatably supports a pair of sheaves around which cables pass, and is attached to the beam to extend in the horizontal direction in a state of crossing the beam of the car frame. The sheave support member includes a first support beam and a second support beam. The first and the second support beams are fixed to the beam of the car frame in a state of holding the beam therebetween from above and below. The sheaves are supported between respective end portions of the first support beam and respective end portions of the second support beam. | 11-27-2008 |
| 20080296096 | Mechanical adjustment device of a pressing and guiding sheave assembly of an aerial rope of a mechanical lift installation - A mechanical adjustment device of a pressing and guiding sheave assembly of an aerial rope of a mechanical lift installation comprises a separating element moving rope away, fixed to the support frame of the sheave assembly by connecting means ensuring independently from one another a first free movement of the separating element in a lateral direction of the sheave assembly and a second controlled movement at least in a transverse direction of the sheave assembly between a working position wherein the separating element presses against the rope to automatically release the main sheaves of the sheave assembly and a standby position disengaged from and away from the rope. | 12-04-2008 |
| 20090008192 | ELEVATOR - An elevator has a machineroom of a comparatively low height so designed that a sufficiently large working space necessary for inspection and maintenance work is available in the machineroom and a hoist cable can be wound round a traction sheave disposed in the machineroom at a large contact angle. The elevator has a cage provided with front and back cage-side sheaves and suspended for vertical movement in an elevator shaft, and a counterweight that moves vertically in a space behind a vertical plane containing the back wall of the cage in the elevator shaft. The traction sheave and a drive unit for driving the traction sheave are disposed in the machineroom with their axes laterally extended. The back cage-side sheave lies below the traction sheave. | 01-08-2009 |
| 20090114483 | Roping method and apparatus - Roping method and apparatus for replacing, installing and/or re-roping the hoisting rope of a traction sheave elevator, said elevator having an elevator car, which is at least partially suspended on a set of hoisting ropes, said set of ropes comprising one or more parallel ropes. The elevator car is moved by means of the ropes. In the method, a rope feed apparatus ( | 05-07-2009 |
| 20090229923 | Traction sheave elevator without counterweight - The subject of the invention is a traction sheave elevator without counterweight, which comprises at least a drive machine with traction sheave, hoisting ropes, an elevator car guided on its track or the like, car guide rails on one side of the elevator car, which is supported on the hoisting ropes such that the hoisting ropes are on one side of the elevator car. The elevator contains a plurality of rope pulley modules, which comprise a plurality of diverting pulleys. | 09-17-2009 |
| 20090314585 | SUSPENSION AND TRACTION ELEMENT FOR ELEVATOR APPARATUSES AND ELEVATOR APPARATUS - The invention relates to a suspension and traction element ( | 12-24-2009 |
| 20100072000 | MACHINE ROOMLESS ELEVATOR - A machine roomless elevator comprises a car ( | 03-25-2010 |
| 20100155181 | ELEVATOR INSTALLATION WITH REDUCED HOISTWAY DIMENSIONS - An elevator system comprises a hoistway ( | 06-24-2010 |
| 20100163348 | METHOD FOR INSTALLING THE HOISTING ROPING OF AN ELEVATOR - A method for installing the hoisting roping of an elevator, the elevator including at least an elevator car that moves in essentially a vertical direction in the elevator hoistway, a hoisting machine, a traction sheave, and at least a plurality of diverting pulleys includes fitting a plurality of hoisting ropes to pass around a plurality of diverting pulleys as well as the traction sheave, the hoisting ropes, after the installation, forming the hoisting roping of the elevator. Each hoisting rope is guided to pass around each diverting pulley and/or the traction sheave such that a loop is formed from the part between the first and second end of the hoisting rope, the loop being fitted to pass around the diverting pulley and/or the traction sheave. | 07-01-2010 |
| 20100206669 | ELEVATOR - An elevator has a car, a balance weight, a traction sheave, a driving unit, deflector sheaves and main ropes. The balance weight moves in a back region. The traction sheave has a rotational plane disposed in parallel with a back wall in the back region of the uppermost portion of the elevator shaft. The deflector sheaves have rotational planes disposed in parallel with a lateral inner wall of the elevator shaft in a side region. The driving unit is installed on the rotation center line of the traction sheave, and at least a part of the driving unit is disposed in the side region. The direction of the winding plane of the plurality of main ropes is changed between the traction sheave and the deflector sheave. | 08-19-2010 |
| 20110042170 | LIFT WITH BALANCING WEIGHT - The present invention refers to a configuration of the pulleys and ropes so as to obtain the cage ( | 02-24-2011 |
| 20110056770 | UNDERSLUNG ELEVATOR CAR CONFIGURATION - An exemplary elevator system includes an elevator car ( | 03-10-2011 |
| 20110132695 | Elevator Apparatus Yielding No Reverse Rope Bend - Provided is an elevator apparatus that may be mounted horizontally in an upper portion of an elevator hoistway. Such an elevator apparatus may comprise a drive machine, a deflector sheave, a support frame, and a roping system. The roping system may be configured to eliminate reverse rope bend to improve the rope life of the system. | 06-09-2011 |
| 20110226557 | ELEVATOR MACHINE SUPPORT - An exemplary elevator system comprises a machine support ( | 09-22-2011 |
| 20110278098 | METHOD FOR ARRANGING THE REEVING OF AN ELEVATOR, METHOD FOR MODERNIZING AN ELEVATOR, AND ELEVATOR - A method for arranging the reeving of an elevator is provided, which elevator comprises at least an elevator car provided with a car sling comprising an overhead beam, a traction sheave and hoisting roping that passes over the traction sheave, as well as a counterweight and a plurality of diverting pulleys. At least two diverting pulleys are disposed on the roof of the elevator car such that the centers of rotation of the diverting pulleys are above the bottom surface of the overhead beam of the car sling, and the rims of the diverting pulleys are below the bottom surface of the overhead beam of the car sling. | 11-17-2011 |
| 20110308892 | DIVERTING PULLEY ARRANGEMENT AND ELEVATOR - Diverting pulley arrangement, more particularly a diverting pulley arrangement of an elevator, which includes an axle, at least one diverting pulley that rotates while supported on the axle, a faceplate structure, in relation to which and supported by which the diverting pulley is arranged to rotate on the first side of the faceplate structure, which axle is locked so that it does not rotate in relation to the faceplate structure by the aid of a locking element, which locking element is on the second side of the faceplate structure and supported so that it does not move in relation to the faceplate structure. The locking element is placed against the locking surface included in the axle so that the contact point of the locking element and the locking surface of the axle is at least partly visible. | 12-22-2011 |
| 20120006627 | MONITORING OF SUPPORT IN AN ELEVATOR INSTALLATION - An elevator comprises an elevator car, a counterweight, a drive and a support, wherein the support couples the elevator car and the counterweight with the drive so that the elevator car and the counterweight are movable in opposite vertical directions by the drive, and wherein the support has a support section at the car side and a support section at the counterweight side. The elevator further comprises a sensor line which is coupled to both the elevator car and the counterweight and which is guided so that in the case of movement of the elevator car and the counterweight in opposite directions it generally remains tensioned by a substantially constant tension stress. The elevator further comprises a sensor which is coupled with the sensor line so that slackening of a support section is detectable by the sensor. | 01-12-2012 |
| 20120085594 | Drive Arrangement for Machine Roomless Elevator - A drive arrangement for an elevator car and a machine roomless elevator incorporates a machine having a drive sheave, a pair of right and left car side sheaves disposed beneath the car, a counterweight with a pair of top mounted sheaves, and a hoist cable including a plurality of ropes. The car is shifted to one side of the hoistway and the car guide rails are shifted forward in the hoistway in order to create a large pocket in a rear corner of the hoistway for the counterweight. In this manner, the elevator car can nest beside the machine in the top of the hoistway limiting the required top hoistway space and creating a minimal hoistway footprint. | 04-12-2012 |
| 20120305335 | DRIVE FRAME FOR AN ELEVATOR INSTALLATION - An elevator installation comprises a drive frame and a drive unit, wherein a support element couples an elevator cage with a counterweight, wherein a drive roller and a spacer roller are mounted at the drive frame on a mounting device associated therewith, wherein the support element is guided over the spacer roller of the drive roller, wherein at least one of the mounting devices is fixable to the drive frame at at least two positions so that a horizontal support element spacing is thereby variable and wherein a portion of the support element between the drive roller and the spacer roller is substantially rectilinear. | 12-06-2012 |
| 20130270044 | ELEVATOR SUSPENSION AND/OR DRIVING ARRANGEMENT - An elevator system includes an elevator car, one or more sheaves, and one or more belts operably connected to the car and interactive with the one or more sheaves for suspending and/or driving the elevator car. The one or more belts include a plurality of wires arranged into one or more cords, and a jacket substantially retaining the one or more cords. A cord ratio, between a smallest sheave diameter (D) of the one or more sheaves of the elevator system that are interactive with the belt and a largest cord diameter (d | 10-17-2013 |
| 20130327596 | ELEVATOR SYSTEM INCLUDING A 4:1 ROPING ARRANGEMENT - An exemplary elevator system includes an elevator car. At least one guiderail guides movement of the elevator car. The guiderail has a length in a direction of movement of the elevator car and a depth generally perpendicular to the length. A plurality of flat belts are situated relative to the elevator car such that movement of the flat belts for causing movement of the elevator car is approximately four times a corresponding movement of the elevator car. A plurality of sheaves is situated for directing the flat belts as the belts at least partially wrap around the sheaves. The plurality of sheaves remains fixed near one end of the guide rail. The plurality of sheaves rotate about coaxially aligned axes and have a collective width along the axes that is no greater than the depth of the guiderail. | 12-12-2013 |
| 20140174859 | SUSPENSION ARRANGEMENT AND GUIDE SHOE ARRANGEMENT FOR AN ELEVATOR - A suspension arrangement and guide shoe arrangement of an elevator, which arrangement comprises at least an elevator car and at least two compensating weights, which are for their part connected to support the elevator car by the aid of at least two suspension members, such as by the aid of ropes or belts, and also by the aid of diverting pulleys, and a hoisting machine provided with at least one traction sheave or corresponding, as well as at least two traction members, such as belts, ropes or chains, separate from the suspension members, which traction members are configured to transmit the rotational movement of the traction sheave into movement of the elevator car and of the compensating weights. There are at least four guide rails of the elevator car and they are fitted into an elevator hoistway symmetrically to each other in relation to the elevator car. | 06-26-2014 |
| 20140209414 | DIVERTING PULLEY ARRANGEMENT, ELEVATOR, AND METHOD - Diverting pulley arrangement, more particularly a diverting pulley arrangement of an elevator, which arrangement includes an axle, at least one diverting pulley that rotates while supported on the axle, a faceplate structure, in relation to which and supported by which the diverting pulley is arranged to rotate on the first side of the faceplate structure, which axle is locked so that it does not rotate by the aid of a locking element that moves in relation to the faceplate structure, which locking element is on the second side of the faceplate structure. When it starts to rotate, the end of the axle forces the locking element to displace out of its position and to trip a safety switch. | 07-31-2014 |
| 20140291076 | ELEVATOR SYSTEM BELT - A belt for suspending and/or driving an elevator car includes a plurality of wires arranged into a plurality of cords. The plurality of cords includes one or more inner cords located at an innermost portion of the belt relative to a lateral end of the belt and one or more outer cords located laterally outboard of the one or more inner cords. The one or more outer cords have a construction distinct from the one or more inner cords. A jacket substantially retains the plurality of cords. | 10-02-2014 |
| 20140305745 | ELEVATOR - An elevator includes an elevator car, a counterweight and suspension roping, which connects the elevator car and counterweight to each other, and which suspension roping includes one or more ropes, which include a load-bearing composite part, which includes reinforcing fibers in a polymer matrix. The elevator car and the counterweight are arranged to be moved by exerting a vertical force on at least the elevator car or on the counterweight. The elevator includes a device separate from the suspension roping for exerting the force on at least the elevator car or on the counterweight. | 10-16-2014 |
| 20140332321 | ELEVATOR HAVING A SUSPENSION - An elevator includes a car, a counterweight, a suspension working together with the car and the counterweight, and a wheel at least partially wound around by the suspension. The suspension includes a tie beam arrangement with two tie beams and an encasing shell wherein a ratio of the width of the suspension to the height thereof is in a range between one and three. The wheel includes a flute having a flat base for guiding the suspension. When the suspension is unloaded, there is an air gap between the suspension and a guide region of the flute. The suspension is ovalized under loading to close the air gap. The shell is coated, at least in areas, on the outer surface thereof, wherein the coating optionally has a friction-reducing, friction-increasing, and/or wear-detecting effect. | 11-13-2014 |
| 20140345979 | Vehicle Elevator Systems And Methods - Ground-accessing elevator systems and methods are provided for transporting personnel between the ground level and one or more decks of multi-level vehicle such as a fixed-wing aircraft. The vehicle elevator systems and methods may be implemented using a multi-track guide rail system configured to guide an elevator car between the ground and two or more levels within a vehicle. The multi-track guide rail system may include an intra-vehicle track fixed to the vehicle structure and configured to guide the elevator car between decks of the vehicle, and a separate deployment track may be configured to telescope downward from the intra-vehicle guide rail track to guide the elevator car during deployment to the ground from the vehicle. | 11-27-2014 |
| 20150021122 | ELEVATOR APPARATUS - In an elevator apparatus, a hoisting machine includes a driving sheave, and a motor portion that rotates the driving sheave, and is disposed in an upper portion inside a hoistway. A suspending unit is wound sequentially around a first car suspending sheave, a second car suspending sheave, the driving sheave, and a counterweight suspending sheave. The second car suspending sheave, the driving sheave, and the counterweight suspending sheave are disposed on a first side of a car guide rail center line that connects first and second car guide rails when viewed from directly above. A portion of the motor portion is disposed between a back surface of the second car guide rail and a hoistway wall. The driving sheave is disposed so as to overlap with the second car guide rail when viewed from a landing side. | 01-22-2015 |
| 20150053506 | ELEVATOR - An elevator includes an elevator car; a counterweight; a drive wheel mounted stationary, and having a rotational axis; first diverting wheel(s), mounted on the elevator car, and having a rotational axis parallel with the rotational axis of the drive wheel; a second and a third diverting wheel mounted on the counterweight radially side by side, each having a rotational axis, which is at an angle of 60 to 90 degrees relative to the rotational axis of the drive wheel; a roping suspending the elevator car and counterweight and including a first belt-like rope and a second belt-like rope, each having a first end and a second end fixed to a stationary rope fixing, and each comprising one or more load bearing members made of fiber-reinforced composite material; wherein the first rope and the second rope are arranged to pass side by side from the fixing of the first end downwards to the elevator car; and to turn side by side under said first diverting wheel(s); and to pass upwards to the drive wheel; and to turn side by side over the drive wheel; and to pass downwards to the counterweight, each rope turning around its longitudinal axis an angle of 60 to 90 degrees, and into the gap between the rims of the second and third diverting wheel, the first rope passing to the second diverting wheel and the second rope passing to the third diverting wheel, the first rope passing under the second diverting wheel and the second rope passing under the third diverting wheel, the diverting wheels rotating in opposite directions guiding the ropes arriving to them from the drive wheel to turn away from each other; and to pass upwards to the fixing of the second end. | 02-26-2015 |
| 20150107940 | ELEVATOR AND ELEVATOR REFURBISHING METHOD - A car and a counterweight are suspended by a main rope that is wound onto a driving sheave, a car suspending sheave, and a counterweight suspending sheave. A first main rope portion between the driving sheave and the car suspending sheave and a second main rope portion between the car suspending sheave and the car-side rope fastener portion are passed through a common car-side penetrating aperture so as to cross each other when viewed in an axial direction of the driving sheave. A third main rope portion between the driving sheave and the counterweight suspending sheave and a fourth main rope portion the counterweight suspending sheave and the counterweight-side rope fastener portion are passed through a common counterweight-side penetrating aperture that is disposed on the machine room floor so as to cross each other when viewed in the axial direction of the driving sheave. | 04-23-2015 |
| 20150129366 | SHEAVE FOR AN ELEVATOR SYSTEM - A method for constructing an interface between a sheave and a coated belt or rope of an elevator system, includes determining the surface energy of a surface of a coated belt or rope; and selecting a sheave such that the sheave has a work of adhesion between the coated belt or rope and the sheave, the work of adhesion meeting a defined relationship with a work of adhesion threshold. | 05-14-2015 |
| 20150144433 | METHOD FOR INSTALLING ROPES OF AN ELEVATOR AND A PULLEY ARRANGEMENT OF AN ELEVATOR - The invention relates to a method for installing one or more ropes of an elevator, wherein a pulley of a pulley arrangement is roped, which pulley arrangement comprises a pulley having a shaft for mounting it rotatably on a support frame, the shaft having a first end and a second end; and a support frame having a first supporting wall and a second supporting wall spaced apart and having a pulley space between them, in which pulley space the pulley is mounted, the first end of the shaft extending into a first opening of the first supporting wall, and the second end of the shaft extending into a second opening of the second supporting wall. In which method one or more ropes is/are guided to pass around said pulley. The method comprises steps wherein a free space is arranged on the axial side of the pulley and the second end of the shaft sufficiently large to allow a rope to be moved transversely past the axial side of the pulley and the second end of the shaft in the pulley space, said step comprising at least enabling axial movement of the shaft, and thereafter moving the shaft axially so that the second end of the shaft retracts from the second opening, into the pulley space; and thereafter said rope(s) is/are moved in the transverse direction thereof in the pulley space past the axial side of the pulley and the second end of the shaft; and thereafter the shaft is moved axially so that the second end of the shaft penetrates back into the second opening; and thereafter the shaft is fixed at least axially immovable. The invention relates also to a pulley arrangement of an elevator. | 05-28-2015 |
| 20150353323 | ELEVATOR APPARATUS - In an elevator apparatus, a safety device is activated using a force that is generated by a mass body that includes sheaves and a rope, if acceleration of a car reaches an abnormal acceleration set value. A tensioning sheave that can be moved vertically in order to apply tension to the rope is included among the sheaves. A vertical vibration suppressing apparatus that is connected to the tensioning sheave allows vertical displacement of the tensioning sheave during normal operation while also suppressing vertical vibration of the tensioning sheave if the acceleration of the car reaches the abnormal acceleration set value. | 12-10-2015 |
| 20160039638 | ELEVATOR - An elevator includes a first elevator unit vertically movable in a hoistway; a second elevator unit vertically movable in a hoistway; a suspension roping including one or more belt-shaped suspension ropes interconnecting the first elevator unit and the second elevator unit; a drive wheel for moving said one or more belt-shaped suspension ropes; a plurality of cambered diverting wheels; said one or more belt-shaped suspension ropes each passing around the drive wheel and comprising consecutively a first rope section extending between the drive wheel and the first elevator unit; and a second rope section extending between the drive wheel and the second elevator unit wherein both rope sections diverge from the drive wheel towards the same lateral side thereof, the first rope section passing over a first cambered diverting wheel, in particular resting against a cambered circumferential surface area thereof, and therefrom down to the first elevator unit, and the second rope section passing over a second cambered diverting wheel, in particular resting against cambered circumferential surface area thereof, and therefrom down to the second elevator unit. | 02-11-2016 |
| 20160039639 | ASYMMETRIC AND STEERED SHEAVES FOR TWISTED MULTI-BELT ELEVATOR SYSTEMS - An elevator system includes an elevator car located in a hoistway. One or more belts are operably connected to the elevator car to drive and/or support the elevator car along the hoistway. The one or more belts are routed over one or more sheaves. The one or more sheaves include an outer surface rotatable about a central axis and a flange located at at least one lateral end of the sheave. The sheave further includes a tracking compensator to limit lateral motion of the belt along the outer surface to prevent the belt from contacting the flange. | 02-11-2016 |
| 20160159615 | UNDERSLUNG ELEVATOR - An underslung elevator includes: a suspending sheave assembly disposed on a lower portion of a car floor, the suspending sheave assembly being configured such that suspending sheaves are each supported rotatably between two longitudinal end portions of a pair of suspending sheave beams; and rubber vibration isolators disposed between a car frame lower beam and the suspending sheave assembly. The suspending sheaves are supported on the pair of suspending sheave beams such that portions thereof protrude upward beyond the pair of suspending sheave beams, and the rubber vibration isolators are disposed to be positioned vertically above shafts of the suspending sheaves when viewed from an axial direction of each of the suspending sheaves, and to be positioned on opposite sides of each of the suspending sheaves when viewed from vertically above. | 06-09-2016 |
| 20160376125 | TRACTION ELEVATOR ROPE MOVEMENT SENSOR SYSTEM - An elevator system constructed in accordance to one embodiment of the present disclosure includes an elevator car, a counterweight, a sheave assembly, a suspension rope, a compensation rope, a first optical sensor assembly and a controller. The suspension rope has a first suspension end coupled to the elevator car and a second suspension end coupled to the counterweight. The first compensation rope has a first compensation end coupled to the elevator car and a second compensation end coupled to the counterweight. The first optical sensor assembly can have a first optical sensor pair including a first emitter and a first receiver. The first emitter is configured to emit a first beam to be received by the first receiver. The first optical sensor pair is configured to detect interruption of the first beam by the first compensation rope. The controller controls movement of the elevator car based on the detected interruption. | 12-29-2016 |
