Abstract: A computer-implemented method for determining the position of a lift cabin in a lift shaft with the aid of a coding device, in which method is at least one of a section of the code band and the bearing device is recorded with an optical detection device as a pixel image in which the pixel image is larger than the position marker, the pixel image is processed and a binary code is decoded by means of an algorithm and converted into a position indication, a checksum of the position marker, which is formed by at least one of the binary code and grayscale values of the position marker, is compared to a predetermined value, and one of a barcode and a 2D code calculated from the position indication using an inverse of the algorithm and is compared with at least one recorded row outside of the position marker.

Abstract: The object of the invention is an insulated landing door of an elevator, which door comprises at least one door panel that opens and closes in the lateral direction and is provided with a glass surface plate, which door panel comprises a frame structure supporting the door panel and an edge beading on the front edge of the door panel and an insulation element. The insulation element is composed of one or more glass plates, and that there is an air gap between the glass surface plate and the glass insulation element.

Abstract: A vertical reciprocating conveyor has a carriage mounted for movement in a support frame between different designated vertical levels, a door assembly mounted on the support frame for gaining access to the carriage when the carriage is at the one designated level. A visual warning barrier is movably mounted between a raised, inoperative position and a lowered, operative position across a doorway formed in the support frame at the one designated level. The visual warning barrier is automatically moved from the raised, inoperative position to the lowered, operative position upon movement of the door assembly to the open position when the carriage is located away from the one designated level.

Abstract: An elevator door assembly (20) includes an electromagnet (30) use as part of a door coupler for coupling elevator car doors (24) to elevator hoistway doors (26). A disclosed example includes an electromagnet core (40) with a gap (50) in one of four sides of the core. The gap (50) directs and concentrates magnetic flux of the electromagnet (30) to concentrate an attractive force for coupling the electromagnet (30) with a vane (32). Disclosed examples includes unique geometric and dimensional relationships to achieve a desired goodness factor.

Abstract: An elevator installation has at least one shaft door and a monitoring device for monitoring movements for opening the shaft door, the monitoring device comprising a first, energy-autonomous counting device for counting the movements, which independently of an intact power supply increments a first count value in the case of one of these movements, and a second counting device for counting the movements, which when the power supply is intact increments a second count value in the case of one of these movements, and a comparison circuit which calls up and compares the first and second count values and can generate a signal based on the comparison of the count values.

Abstract: An elevator apparatus including a position determination apparatus for determining the position of an elevator car inside an elevator shaft, the position determining apparatus including a marking unit for marking a position of the elevator car, and a detection unit for detecting the marking unit, the marking unit being arranged on one of the shaft doors and the detection unit being arranged on the associated car door or vice versa for the purpose of improved installation.

Abstract: An elevator shaft closure, which separates an elevator shaft of a building from a story of the building, has a door frame. An elevator control arrangement is arranged in a chamber of the door frame, wherein the elevator control arrangement includes an elevator control unit and at least one electronic power unit for operation of an elevator motor.

Abstract: A lightweight glass plate includes a first glass plate, a second glass plate and an intermediate layer that connects the first and the second plates together. The lightweight glass plate further includes at least one connection element that allows the lightweight glass plate to be connected to an abutting component. The connection element is embedded into the intermediate layer in an edge area of the lightweight glass plate and the intermediate layer extends to surfaces located between the connection element and the glass plates. The lightweight glass plate is preferably used in the preparation of elevator doors and/or car walls. The lightweight glass plates are lightweight and can transfer large forces.

Abstract: The disclosure relates to an elevator installation and a method for maintenance of such an elevator installation. The elevator installation comprises at least one door and at least one acceleration sensor. The acceleration sensor is mounted on the door, for example.

Abstract: A safety system for an elevator has a bar mounted on a landing door, the bar being adapted to extend into a passageway of the landing door, and a holding member adapted to prevent the bar from extending into the passageway of the landing door when a car door is positioned correctly behind the landing door. The bar is adapted to extend into the passageway when the landing door is opened and when the holding member does not prevent the bar from extending into the passageway of the landing door.

Abstract: Fixtures (22, 27) at a doorway (13) of a landing (14) are formed integrally with a door frame (17, 17a). The fixtures include electronic modules (42, 46, 54) and energy storage devices (43, 47, 55). Power may be supplied by a generator (32) rotated by a pinion (34) in response to a rack (35) on a hoistway door (20), or by electrical contacts (58) disposed on the hoistway side of the door frame which touch contacts (65) on an elevator car door (63) when the door is open, thereby receiving power over a line (66) from the elevator car; or power may be provided by an inductive coupler (70). The fixtures (22, 27) may be within the profile of the door frame (17), or extend outwardly from the profile of the door frame (17a).

Abstract: A pulley suspension assembly for assisting a user to vertically transport a cable to an elevated location may include a base member adapted to be positioned at the elevated location. A plurality of prongs may be statically coupled the base, extended upwardly therefrom, and seated adjacent to a rear edge thereof. A rectilinear guide rail may be statically mated to the prongs and spanned therebetween. Additionally, a plurality of stabilizing brackets may be statically affixed to the top surface and front of the base member. Further, a rectilinear shaft may be connected to the brackets and spanned therebetween. A plurality of pulleys may be journaled about the rectilinear shaft and rotatable thereabout. Such pulleys may be uniformly juxtaposed side-by-side and freely reciprocated along the shaft while rotating about the fulcrum axis. Anchor cables may be included and engaged with the prongs and an existing support surface at the elevated location.

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: The invention relates to a safety lock (1) for an elevator landing door detecting intrusion of a person in the shaft through the landing door, activating a bistable switch (21) through its spindle lever (11) putting the elevator into safe operation when the landing door is opened by turning the corresponding key, it being impossible to reset the switch (21) manually from the inside of the shaft, which comprises a device (17) fixing the lock in the open position with the door open, that is released when the door is closed such that the switch (21) can be reset by turning the lock (1) in the closing direction of the door in which the key is turned in the opposite direction to the opening direction, the switch (21) being reset mechanically by a mechanical means connected to the spindle lever (11).

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: An elevator shaft door having a door panel composed of a front wall and rear wall, which walls are connected together by a thermally releasable material, wherein at least a part of the closing edge of the respective door panels consists of a profile member that is formed by the back wall or thermally non-detachably fastened to the back wall. In the case of a fire, the back wall separates from the front wall through release of the thermally releasable material, wherein the front wall curves by heat effect while the back wall with the closing edge retains the original shape.

Abstract: A door panel comprises a surface board 11 facing a hoistway, a back board 12 facing a hoistway, and a reinforcing member 13 for reinforcing the surface board 11 and the back board 12 . The back board is connected to the surface board or the reinforcing member by a connecting member 15 which is capable of losing the force of constraint against the surface board or the reinforcing member on high temperature conditions during a fire. This connecting member 15 prevents the door panel of the elevator hall door from being deformed during a building fire, and prevents the elevator hall door from falling, thus preventing smoke and flame from entering the hoistway.

Abstract: An elevator shaft door frame incorporates a control arrangement for an elevator installation including a control unit. The control unit is fixed in a chamber of a frame element of the door frame. The chamber communicates with an outside opening in the door frame, which opens at a floor, and is closed with a cover. The cover can be moved from the closed position by demounting to a service position in which access to the chamber is free. In addition, the door frame has an inside opening to the chamber which is accessible from the elevator shaft.

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 shaft door having a door panel composed of a front wall and rear wall, which walls are connected together by a thermally releasable material, wherein at least a part of the closing edge of the respective door panels consists of a profile member that is formed by the back wall or thermally non-detachably fastened to the back wall. In the case of a fire, the back wall separates from the front wall through release of the thermally releasable material, wherein the front wall curves by heat effect whilst the back wall with the closing edge retains the original shape.

Abstract: An elevator door panel for closing the opening to an elevator shaft comprising a generally planar steel sheet reinforced on the shaft side by a perimeter framework and intermediate vertical stiffening members. At its lower edge the panel includes a resilient seal member supported on a structural steel construction that is generally symmetrical about a vertical plane at a mid-section of the panel thickness.

Abstract: The invention provides 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: A hold block for fastening a structural elevator component, such as a landing door sill, an overhead structure of a landing door opening or a car door sill, to a base. The hold block comprises a fixing element for fixing the hold block to the base and a supporting element, disposed at an angle relative to the fixing element, for attachment of the structural component to the hold block, both of the elements being made of the same continuous plate-like material. In addition, the hold block comprises an adjustment elbow between the fixing element and the supporting element to allow adjustment of the angle between the planes defined by the elements, and a locking element for locking this angle.

Abstract: An elevator installation with hoistway doors has door panels that can be laterally displaced beyond the width of the hoistway, and/or they can be at least partially displaced into the hoistway wall resulting in an elevator installation with improved utilization of building space, which also requires less effort to install. The door frame of the hoistway door assembly is transformed into a flat, wide hoistway wall module with integral hoistway doors such that building space hitherto required in the hoistway by the hoistway wall is reduced. The hoistway wall module is either inserted between the landing floors, or else several such hoistway wall modules are fitted together vertically and form a largely freestanding modular hoistway wall which forms between the elevator installation and the building an interface which is either self-supporting or supported individually on each floor.

Abstract: A modular lock (10) for elevator doors, in particular for locking and unlocking the floor doors of elevators and hoists, comprises a first fixed plate (12) and a second plate (14) articulated on the same, cooperating with the blades of the car activator and provided with means (52, 62) for striking a contact (48, 56).

Abstract: A lifting device for transporting items of personal property between floors of a building is provided which includes an a vertically adjustable outer frame, a pair of vertically adjustable spaced apart guide rails attached to the outer frame, a lift container having guide members positioned thereon to guide the lift container along said guide rails and to allow the lift container to move vertically along said guide rails, and a drive mechanism including a motorized drive pulley, a plurality of idler pulleys and drive belt. The drive belt is connected at one end to a top wall of said lifting container and is connected at an opposite end to the bottom wall of said lifting container.

Abstract: This invention relates to an improved sliding entrance door assembly for an elevator and to the method of installing the assembly. In one embodiment the assembly includes one or more stationary panels affixed to the frame. The stationary panels are comprised of a side panel and a transom panel. The side panel replaces the wall adjacent to the elevator opening. The transom panel is located above the sliding entry door and the side panel. By using the stationary panel, which is thinner than a conventional wall, the sliding entry door assembly uses less of the hallway space. In an alternate embodiment, two sliding entry doors are installed in the frame. They are in separate planes so that one door can slide behind the other. The advantages to the present door assembly is that it may be installed in less time and the assembly requires less space than conventional door assemblies. Also the assembly closes the gap to the shaftway as soon as it is installed.

Abstract: This invention relates to an improved sliding entrance door assembly for an elevator and to the method of installing the assembly. In one embodiment, the elevator sliding entrance door assembly comprises, viewed from the hallway, a sill, a left vertical post having a top portion, a right vertical post having a top portion and positioned parallel to the left post, a header formed with an open notch connected to the left and right posts, a door frame consisting of a strike jamb, head jamb and return jamb attached to the header, one post and sill. An elevator door track is attached to the header. The assembly also includes a sliding elevator door having rolling means to rollingly suspend the door from the track, the door being adjustable after being suspended through the opening formed in the header. In addition, the slide sill having a groove therein which defines a lower track for the door extends between the left post and the right post.

Abstract: Disclosed is an apparatus for closing hatch doors of an elevator, which is capable of minimizing a generation of noise during an opening and closing the hatch doors of the elevator. The apparatus for closing the hatch doors of the elevator, according to the present invention a frame which is attached to a wall of a landing in an elevator hoistway, for supporting a pair of door hangers to slidably move on the frame, a pair of hatch doors which respectively have the door hangers attached to each upper portion thereof, which are supported by a sill disposed on the landing, and which are slidable opened and closed along the sill and the frame, and a mechanism for closing the hatch doors of the elevator by using a self-weight thereof when the hatch doors are opened. The apparatus for closing the hatch doors of the elevator according to the present invention as constructed above is applied to various types of elevators and minimizes the noise generated during the opening and closing the hatch doors of the elevator.

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 system has a car provided with a doorway and a door movable across the doorway. An improved mechanism to move the door selectively to open and closed positions includes a header mounted to the car above the door. The header supports a linear drive carrying the door. The drive includes a spool rotationally mounted to the header for driving a cable wound about the spool, the cable being operatively connected to a hanger carrying the door for moving the hanger linearly across the header responsive to rotational movement of the spool. The spool further includes a vertically extending axial opening. A door operator comprises a motor driving an output shaft. The door operator is secured to the header so that the output shaft is received in the spool axial opening, whereby operation of the motor causes rotation of the spool.

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: The invention relates to a system for forming the jambs for elevator landing doors in a door opening (3) in the wall (2) between the elevator shaft and the landing. The jambs (4) consist of a skeletal structure (15,16,17) placed at the sides and at the top of the door opening and supporting the jamb structure, the skeletal structure being fastened to the wall by means of brackets (9) in a manner permitting adjustment in the direction of the plane of the door opening. Attached onto the skeletal structure is a surface structure (27,28) adjustable in the direction of the thickness of the wall. Each skeletal structure module is fixed to a bracket (9) in such a way that the position of the skeletal structure module can be adjusted in the direction of the plane of the door opening separately on the shaft side and on the landing side.

Abstract: An elevator drive, which moves an arcuate car door attaching to a support that rotates about an axis, has a motor having an output, an arm attached to the output, and a linkage having a first coupling allowing compound motion attached to the arm and a second coupling allowing compound motion attached to the support, the door moving as the arm rotates in response to motion of the output.