Abstract: The present invention includes a height raising member body mountable to an upper end of a frame disposed above an entrance of a car that moves up and down through an elevator shaft, in which a rail for guiding a car door in an opening and closing direction and a pulley for use in opening and closing drive of the car door are mounted to the frame. The height raising member body characteristically includes: a base part connectable to the frame; and a supporting part capable of supporting the motor at a position upward away from the base, the motor being configured to drive the pulley via a belt.

Abstract: An anti-falling device for a door of an elevator of the present invention includes: a door hanger; and a first roller and a second roller both provided on the door hanger and arranged to face a lower end surface of the door rail. The first roller is made of a metal is and arranged at a position downwardly away from the lower end surface of the door rail. The second roller is configured to be in elastic contact with the door rail, and is arranged to be held in contact with the lower end surface or arranged at a position closer to the lower end surface than the first roller.

Abstract: The invention relates to an elevator car comprising a support frame, a floor structure and a ceiling structure, as well as at least one car door, and side walls extending between the floor structure and the ceiling structure, wherein the side walls are formed from several wall elements, which are aligned end-to-end or end-to side in corners, wherein the wall elements are composite panels consisting of at least one support material and at least one noise insulating material, that the elevator car comprises at least one flatbar, extending over the surface of both adjacent wall elements, and covering the joint between them, which flatbar comprises or is connectable with fixing elements to at least one of both adjacent wall elements. Via this means the joint between two noise insulating wall elements does prevent any essential noise leakage.

Abstract: A roller assembly includes a frame (16) defining a doorway (14). A rail (32), which includes at least one supporting surface along at least one side of the rail, is secured to the frame (16). At least one roller (38), which is adapted to roll along the supporting surface of the rail (32), has a tire material (68) that contacts the rail (32). A thermal barrier (62, 70, 72, 76, 80) is positioned to inhibit heat transfer from the rail (32) to the tire material (68).

Abstract: An elevator in which a first gap between a car sill and a landing sill can be maintained as small as possible except at a space of the car sill which passes over a second connecting element that drives a landing door on a landing. The structure of the elevator is simple, inexpensive and reliable, wherein a second gap of the space required for the connecting element, which gap is larger than the first gap, can be closed and opened.

Abstract: In a car door apparatus for an elevator, a closing-plate supporting portion is provided at a car-door front surface, the closing-plate supporting portion supporting the closing plate so that the closing plate is slidable along a direction in which the car door is opened and closed. A door-pocket cover is provided with a closing-plate engagement portion brought into engagement with the closing plate at the time of a door-closing operation to restrict displacement of the closing plate in a door-closing direction relative to the cover front-surface portion.

Abstract: An elevator door system includes an elevator car having a front face defining a door opening. At least one elevator door is coupled to the front face of the elevator car for movement between an open position exposing the door opening and a closed position covering the door opening. At least one drive motor is mounted on the front face of the elevator car and is disposed between a lower edge and an upper edge of the elevator car. The drive motor is drivingly coupled to the elevator door for moving the elevator door between the open and the closed positions.

Abstract: An elevator car has a car body with movably mounted car door leaves having upper guide rollers and a roof frame which stabilizes the car body. In addition, there is a door drive for moving the car door leaves and a horizontal door guide rail for mounting and guiding the car door leaves. A door drive carrier is arranged on a horizontal surface on an upper face of the roof frame horizontally along an upper front horizontal edge of the car body. The door drive carrier has a vertical surface section which runs parallel to a vertical front side of the roof frame and a horizontal surface section which runs parallel to the horizontal surface of the roof frame. The guide rail is fastened directly to the vertical front side of the roof frame.

Abstract: An elevator door guide (16) includes at least one elevator door guide member (30, 32) having a first channel (18) and a second channel (64) each for at least partially establishing a direction of door movement. The first channel (18) is open in a first direction (24) and the second channel (64) is open in a second direction (66). In one example, the channel (18) at least partially establishes a direction of door movement and a passage (26) extends through the elevator door guide (16) in a direction (28) that is transverse to the direction of door movement.

Abstract: An elevator installation includes an elevator cage, which is movable in an elevator shaft, with a cage door suspension for a cage door, wherein the cage door suspension is movably arranged at the elevator cage by means of at least one movable mount. During operation of the elevator installation, a self-centering aligning movement of the cage door suspension from a skewed setting of the elevator cage, in correspondence with a skew setting axis, to an approximately vertical and centered setting of the cage door suspension in correspondence with a vertical, can be performed.

Abstract: An apparatus for sealing a gap between an elevator car door and the associated car wall during car travel includes a sealing strip of resilient material with wall portions that can be reversibly stretched to bridge and seal the gap.

Abstract: An elevator door system includes an elevator door (12) having a first door panel (14a), a second door panel (14b), and a doorsill (24). A first door support frame (28a) is attached at a lower portion of the first door panel (14a). The first door support frame (28a) has a first finger (36a) that extends below the second door panel (14b) when the elevator door (12) is closed. A second door support frame (28b) is attached at a lower portion of the second door panel (14b). The second door support frame (28b) has a second finger (36b) that extends below the first door panel (14a) when the elevator door (12) is closed.

Abstract: In a car door apparatus for an elevator, a closing-plate supporting portion is provided at a car-door front surface, the closing-plate supporting portion supporting the closing plate so that the closing plate is slidable along a direction in which the car door is opened and closed. A door-pocket cover is provided with a closing-plate engagement portion brought into engagement with the closing plate at the time of a door-closing operation to restrict displacement of the closing plate in a door-closing direction relative to the cover front-surface portion.

Abstract: An elevator door hanger apparatus includes a door hanger configured to be attached to a top portion of a door panel and to at least one movable member and an isolator plate attached to the door hanger and including a lip extending from a bottom of the isolator plate away from the door hanger.

Abstract: An elevator door guide (16) includes at least one elevator door guide member (30, 32) having a first channel (18) and a second channel (64) each for at least partially establishing a direction of door movement. The first channel (18) is open in a first direction (24) and the second channel (64) is open in a second direction (66). In one example, the channel (18) at least partially establishes a direction of door movement and a passage (26) extends through the elevator door guide (16) in a direction (28) that is transverse to the direction of door movement.

Abstract: The bottom guiding device according to the invention for telescoping elevator car and/or landing doors with at least one fast-moving door (3) and one slow-moving door (1) moving parallel to and within a small distance from a threshold plate (5) of a car and/or landing door respectively, is characterized in that it implements a threshold plate (5) on the car and/or landing side, formed with at least one lower edge parallel to the travel path of the doors (1, 3) and forming a bottom guide track (31) for the doors; a bottom plate (11) integral with the slower door (1) and extending with a small clearance below the faster door (3), provided on the threshold side with a guide track (13) parallel to the travel path of the doors (1, 3) and accommodating a guide element (19) integral with the faster door (3) and close to its rear lower end; at least two distant guide elements (25) integral with said bottom plate (11) on the slower door and accommodated on said (31) on the threshold plate so as to slide freely; and at

Abstract: A method of modernizing the car door system of a elevator car, which originally comprises at least one car door leaf, a door drive with a crank gear and a drive linkage displacing the car door leaf and a car door/shaft door coupling actuated by the drive linkage, with the following method steps: demounting the door drive together with the crank gear and the drive linkage, mounting a door drive with a linearly moved drive means and coupling of the drive means with the car door leaf of the original car door system, and mounting an actuating device for actuating the car door/shaft door coupling.

Abstract: An elevator installation contains an elevator car (12) that is arranged movably between floors (S1, S2) in an elevator hoistway (11). The elevator car (12) has a car door (14), and the elevator hoistway (11) has on the each floor (S1, S2) a hoistway door (13). Assigned to the car door (14), or to the hoistway door (13), is a sill-section (16). To draw attention to a gap (30), or give a warning of a step, between elevator car (12) and floor (S1, S2), it is proposed to arrange in the sill-section (16) of the elevator car (12), or of the floor (S1, S2), at least one light module (20, 21, 22).

Abstract: An elevator (20) includes a sill (38) that extends out from underneath an elevator car (30) to bridge an operating gap (26) between the car (30) and a landing (24). When an elevator door (34) is aligned with a landing door (36), the sill (38) extends outwardly from the car (30) until the sill (38) makes contact with a landing structure (40). A locking mechanism (52) securely locks the sill (38) to the landing structure (40). In one example, once proper sill alignment and locking engagement occurs, a door moving mechanism (50) is released and the elevator (34) and landing (36) doors open.

Abstract: This invention claims a steel elevator door guide, which contains a reinforcement beam, an attachment beam, a guide carrier and a glide. The attachment beam connects at the bottom end of a elevator cab or corridor door. The invention is held securely clamped together by fasteners, welding or glue. To further protect against any lateral movement imposed onto an elevator door, one or more frictional surfaces is engraved at contact points between individual components and safety rail (s) are provided. A noise reducing, nylon glide is attached to the guide carrier using the same fasteners as those supporting the reinforcement beam. These components are intended to prevent lateral motion of an elevator cab or corridor door even if a severe lateral pressure on the elevator doors has caused the glide to severely flex or fail.

Abstract: A door assembly for an elevator having a cab having a cab entry, the elevator having an elevator shaft having upper and lower shaft entries, the assembly incorporating first, second, and third ladder frames having a plurality of roller carrying rungs and bolt and spacer sleeves spanning between the ladder frames' rungs, each ladder frame having proximal and distal ends, the first ladder frame overlying and extending outwardly from the elevator's cab entry, the second ladder frame overlying and extending inwardly from the elevator's upper entry, and the third ladder frame overlying and extending inwardly from the elevator's lower entry; the door assembly incorporating first, second, and third pluralities of rollable trolleys mounted upon the first, second, and third ladder frames' pluralities of roller carrying rungs; and the door assembly incorporating first, second, and third pluralities of door panels, suspending from the first, second, and third pluralities of rollable trolleys.

Abstract: A door panel position control mechanism for a multiple panel horizontal sliding door assembly of a freight elevator landing. The mechanism comprises a multiple node scissors linkage that is configured to be easily installed and initially adjusted and which has its parts symmetrically balanced about a vertical plane such that excessive eccentric loading on the components is reduced and a long service life is obtained with reduced wear and a reduced need for periodic adjustment.

Abstract: A device moves a door seal for a displaceable door panel of an elevator car in an elevator installation with an elevator shaft having shaft doors. The movable door seal is arranged so that the door panel in a closed state is sealed off. The device includes an entrainer unit connected with the door panel and upon stopping of the elevator car at a floor executes a part movement. The device also includes a coupling mechanism mechanically connecting the entrainer unit with the door seal to bring the door seal out of a sealing position into an open position when the entrainer unit executes the part movement.

Abstract: A clutch couples a car door of an elevator car with a landing door of an elevator system, wherein the car door is movable with respect to the elevator car by a first actuator. The clutch includes at least one coupling element and a second actuator. The coupling element is movable with respect to the car door between a first position and a second position by the second actuator such that the coupling element engages with the landing door when the elevator car is within a landing zone and the coupling element is moved towards the second position, thereby establishing the coupling of the car door with the landing door. The second actuator is a linear motor.

Abstract: A car door apparatus of an elevator includes a pair of door panels, a door drive device, and a door-opening mechanism. The pair of door panels open and close a doorway of the car of the elevator. The door drive device drives the door panels to open and close the doorway using electric power. When the car is stopped in an emergency in which a power source for driving the elevator is shut off, the door-opening mechanism starts up the door drive device using a secondary battery to move the door panels in the opening direction by a predetermined distance respectively to make a predetermined clearance between the door panels.

Abstract: An elevator door assembly includes a rail and at least one roller that rolls along the rail to move a door between opened and closed positions, for example. A resilient track is provided on the rail that facilitates more efficient roller movement and increases the longevity of the assembly. In one example, the resilient track includes several pieces of flexible material that are snapped in place onto the rail. In another example, the flexible track is supported on the rail using a spray coating technique.

Abstract: An elevator door assembly includes a rail and at least one roller that rolls along the rail to move a door between opened and closed positions, for example. A resilient track is provided on the rail that facilitates more efficient roller movement and increases the longevity of the assembly. In one example, the resilient track includes several pieces of flexible material that are snapped in place onto the rail. In another example, the flexible track is supported on the rail using a spray coating technique.

Abstract: A height adjustment assembly connecting an elevator door to an elevator door hanger comprises a door bracket, a plurality of door clip receiving sections and corresponding number of door clips. Each door clip comprises upper and lower fins, side fins, and an oblique slot disposed centrally between the fins. Each oblique slot is aligned with an aperture in the receiving sections, and the upper and lower fins slidably engage corresponding slots in the receiving sections. A fastener inserted into the oblique slot in the door clip and the aperture in the door bracket holds the clip and the bracket onto the door hanger in a friction hold mode. The height of the door may be adjusted by moving the door clips laterally in the slots.

Abstract: A height adjustment assembly connecting an elevator door to an elevator door hanger comprises a door bracket, a plurality of door clip receiving sections and corresponding number of door clips. Each door clip comprises upper and lower fins, side fins, and an oblique slot disposed centrally between the fins. Each oblique slot is aligned with an aperture in the receiving sections, and the upper and lower fins slidably engage corresponding slots in the receiving sections. A fastener inserted into the oblique slot in the door clip and the aperture in the door bracket holds the clip and the bracket onto the door hanger in a friction hold mode. The height of the door may be adjusted by moving the door clips laterally in the slots.

Abstract: An elevator door assembly includes a rail and at least one roller that rolls along the rail to move a door between opened and closed positions, for example. A resilient track is provided on the rail that facilitates more efficient roller movement and increases the longevity of the assembly. In one example, the resilient track includes several pieces of flexible material that are snapped in place onto the rail. In another example, the flexible track is supported on the rail using a spray coating technique.

Abstract: An elevator door system for an entrance opening to an elevator cab. The system includes a two-part door having an open position and a closed position. The two-part door includes a first door portion for traversing across and covering a portion of the entrance opening as the two-part door moves between the open position and the closed position of the two-part door. The two-part door also includes a second door portion for traversing across and covering another portion of the entrance opening as the two-part door moves between the open position and the closed position of the two-part door. A header track includes a rail with a door track for guiding movement of the first and the second door portions. The door track is held onto the rail of the header track via an S-shaped spring clip.

Abstract: An elevator door sill assembly for use in elevator systems that have sliding doors. The door sill assembly comprises a sill plate, a support sill located below the sill plate having a rail that presents an inboard sliding surface and an outboard sliding surface. The assembly also comprises a first guiding surface that engages that inboard sliding surface and a second guiding surface that engages the outboard sliding surface. The assembly prevents that bottom of the elevator door from swinging while the door slides opened and closed. The sill assembly and guide system may be used with either hoistway doors or elevator car doors.

Abstract: In an arrangement for sliding doors, a door leaf comprises a number (n) of interlinked and jointed sections (4:1-4:n) in which adjoining sections are able to rotate around a joint axis (A) from a position in which the sections are in alignment with each other to a relative angled position. The door leaf can slide in the door opening (6) in guides (8, 9), each of which comprising a first and a second interacting guide element (8′, 8″; 9′, 9″) arranged on two opposing end edges (22, 23) of the door leaf and the corresponding sides of the door opening. To obtain a sound insulating door, there is an elastically deformable material between the adjoining and relatively flexible sections (4:1-4:n) to separate the sections from each other.

Abstract: A carrier for the reception of all important components of a door drive. The carrier has a base part and a length adapter, which are connectible together in such a manner that carriers of different lengths can be produced so that the carrier can be used in different door systems with different entrance widths.

Abstract: An elevator door system for an entrance opening to an elevator cab. The system includes a two-part door having an open position and a closed position. The two-part door includes a first door portion for traversing across and covering a portion of the entrance opening as the two-part door moves between the open position and the closed position of the two-part door. The two-part door also includes a second door portion for traversing across and covering another portion of the entrance opening as the two-part door moves between the open position and the closed position of the two-part door. A header track includes a rail with a door track for guiding movement of the first and the second door portions. The door track is held onto the rail of the header track via an S-shaped spring clip.

Abstract: An elevator door system includes an elevator car having a front face defining a door opening. At least one elevator door is coupled to the front face of the elevator car for movement between an open position exposing the door opening and a closed position covering the door opening. At least one drive motor is mounted on the front face of the elevator car and is disposed between a lower edge and an upper edge of the elevator car. The drive motor is drivingly coupled to the elevator door for moving the elevator door between the open and the closed positions.

Abstract: A flexible door assembly includes an upper guide track comprising an elongate bar including at least two generally planar support surfaces. The upper guide track is mounted in the elevator cab, or outside the cab in the hoistway, above the door opening, defining a non-linear pathway. A plurality of door sections each having a door panel, and a carriage assembly including a carriage frame and at least two wheels each supported by, and in rolling contact with, one of the at least two support surfaces on the guide track, a hinge pin supported by the carriage, a door panel pivotally connected to the hinge pin, and wherein the carriage, the hinge pin, and the door panel pivot about the same vertical axis defined by the longitudinal axis of the hinge pin when a door assembly has moved through a bend in the upper guide track.

Abstract: An elevator car includes a hold closed feature for an elevator car door. The hold closed feature maintains the elevator car door in a hold closed position when the elevator car is not at a landing or is "parked" at a landing. The hold closed feature includes a profiled ramp disposed on the elevator car and a roller disposed on the elevator car door. The roller engages the profiled ramp during the hold closed position of the elevator car until a certain predetermined force is exerted for the roller to disengage from the profiled ramp.

Abstract: The invention relates to a multifunction connection and support element for an elevator door structure. The element includes, for each lateral jamb, a connection and support bracket that connects and unites each jamb with an architrave and also to an anchor bracket to be fixed to an elevator shaft wall. The anchor bracket also functions as a guide for sliding carriages of a door motion mechanism. The connection and support bracket performs all functions that in the past were carried out by several distinct connection and support elements.

Abstract: An elevator car door operator includes a drive motor, a drive pulley mounted for rotation by the drive motor, a continuous loop drive belt mounted on the drive pulley at one end of the belt and on an idler pulley at the other end of the belt, a drive bar connected to the drive belt and slidably mounted on a bar guide for translational movement across the elevator car door header. One or more doors are slidably mounted on guide tracks for movement between open and closed positions. One of the doors is either connected directly to the drive bar, or connected to a two-to-one relating cable mounted on the drive bar, so that the motion of the drive bar is transmitted to that door, thereby slidably positioning the door as the drive bar is slidably positioned by the belt along the length of the bar guide.

Abstract: An elevator includes a housing having three door panels and a lever swung to operate the door panels. A casing is secured on top of the housing and has three tracks for slidably receiving three slides which are secured to the door panels. A wire couples two of the slides to the casing for guiding the slides to move relative to the tracks, and another wire couples the other slide and the middle slide for guiding the other slide to move relative to the middle slide and for allowing the door panels to be moved safely and smoothly.

Abstract: An elevator car door restraint includes a position indicator mounted at the access points at each of the floors, a locking arm pivotally mounted between its ends on a first portion of the car for movement of the first end of the locking arm between an engaged and disengaged position, and for contact by the second end of the locking arm with one of the position indicators. A lock plate mounted on the second portion of the car which moves relative to the first portion of the car when the car door moves includes a contact face which is engageable with the first end of the locking arm when the first end is moved to the engaged position to mechanically restrain the elevator car door from opening. The locking arm is biased by a spring so that the first end of the arm is rotated into engagement position unless the first end is permitted from such rotation by contact of the second end with a position indicator. An integral hoistway interlock for center-parting the hoistway access doors is also provided.

Abstract: Sill system for an elevator car, comprising a sill profile (5), a lower door guide (7) movable in a slot (12) in the sill profile (5) and a guide holding bracket (9) for connecting the lower door guide (7) to the door. The guide holding bracket (9) is passed to the lower door guide (7) from below the surface level of the car floor (3).

Abstract: A door guide assembly for an elevator cab includes a gib bracket and a sill having a guide groove in the face of the sill. The guide bracket extends down from the door and into the guide groove to guide the motion of the door. The guide groove includes a narrow opening and an expanded section inward of the opening. Engagement between the narrow opening and the gib bracket prevents excessive vertical movement of the door and engagement between the expanded section and the gib bracket prevents excessive lateral motion of the door.

Abstract: In the overhead supporting beam of an elevator door, the roller races (4,5) for the rollers of the door panels are formed from one piece with the overhead supporting beam (1). The door operating mechanism (11) with the door operating motor (15) is fitted to form a single unit with the overhead supporting beam (1) of the door.

Abstract: A roller for use in a roller guide for sliding elevator doors may include a resilient element for effecting quieter elevator operation. The resilient element may form a roller body with a bowl shaped annular casing of sheet steel to run along a carrier section including a preferably greased rail running surface. The roller body may be dimensioned such that the spring effect of the resilient element is stressed only within the elastic range or limit of the sheet steel. To obtain optimum spring effect, a radius of the rail running surface may be slightly greater than a radius of the roller body. Also, the roller body may include an open side.

Abstract: A roller guide for use with sliding elevator doors may include elements for effecting quieter sliding door running by reducing noise associated with the rollers running along the roller guide. The roller guide may by formed by a convex running surface made from a hose-like covering of sheet metal producing a spring effect. The hose-like covering may be dimensioned to utilize the spring effect within an elastic range or limit of the sheet metal, with the optimum spring effect occurring when a radius of the rail running surface is slightly less than a radius of a running surface. An elastic material, to dampen running noise, may be inserted between the hose-like covering and a carrier section. The carrier section may also include spaces for clamping respective ends of the hose-like covering.

Abstract: A bi-parting elevator door actuator apparatus operably connected to a bi-parting door assembly having 1) a door interlock and power control assembly; 2) a bi-fold door actuator assembly; and 3) an electrical control circuit. The door interlock and power control assembly includes 1) a door latch assembly connected to the bi-parting door assembly to hold in a closed position; 2) a cam roller and linkage assembly engagable with the bi-parting door assembly to open and close a first power relay assembly; and 3) a door actuated power assembly having a second power relay assembly operable to be opened on opening of the bi-parting door assembly. An elevator drive motor is denied electrical power when a) the bi-parting door assembly is in an open position; and b) the traveling elevator car assembly reaches a predetermined position for stopping.

Abstract: An elevator wiper (6) includes a sheet steel (7), installed in a removable fashion on side jams (2), (3) which face the surfaces (4a), (5a) of the elevator doors (4) and (5), and a sponge (8), installed on this sheet steel (7) in contact with the surfaces (4a), (5a) of the aforementioned doors (4), (5) for wiping dirt off.

Abstract: An elevator car has a car door having a arcuate cross-section and attaching to and rotating about a pivot. A hoistway door has an arcuate cross-section and is selectively coupled to a car door to open and close therewith.