Abstract: A pressure regulator includes a fluid transfer chamber defining one or more apertures. A flow control element is disposed within the fluid transfer chamber and is movable with respect to the fluid transfer chamber. An actuator is secured to the flow control element and is operable to move the flow control element with respect to the fluid transfer chamber to control fluid flow through the apertures in the fluid transfer chamber.

Abstract: A buffer device (121) for an elevator system (100), the buffer device (121) including a first contact structure (501) and a second contact structure (503). The first contact structure (501) includes a first contact surface (505), and the second contact structure (503) includes a second contact surface (507). The first contact surface (505) and the second contact surface (507) are arranged for contacting respective vertically offset surfaces of an elevator car (101) or counterweight (109).

Abstract: An elevator landing sill device includes a landing sill provided along a lower edge of a landing opening, and a fixture fixed to a hoistway wall of a building, to which the landing sill is attached. The elevator landing sill device includes a partition member for sealing a gap between the landing sill and the hoistway wall. The partition member includes a center plate, the building-side mount part attached to one end of the center plate, a sill-side mount part attached to the other end of the center plate, a building-side rotating part for rotatably fixing the center plate and the building-side mount part, and the sill-side rotating part for rotatably fixing the center plate and the sill-side mount part. A building-side fastener for fixing the building-side mount part to the building, and a sill-side fastener for fixing the sill-side mount part to the landing sill are further provided.

Abstract: A fitting arrangement for a sliding window or a sliding door has an actuating mechanism that can be arranged on a sliding sash and that is movable at least with a portion in the rebate circumferential direction, and a first control element that is arranged on the portion of the actuating mechanism, and a second control element that is arranged on a transverse slide. The transverse slide has a locking element, and the control elements interact and are tailored to one another in such a way that, upon a movement of the portion in the locking direction, the locking element is moved away from the sliding sash perpendicularly to a main plane of the sliding window or of the sliding door.

Abstract: A device may include a base, a transmission assembly, and a response assembly. The transmission assembly may be configured to move a component of a medical device. The transmission assembly may include a cable and a wheel connected to the base. An end of the cable may be connecting to a part of the component of the medical device. The response assembly may be connected to the transmission assembly. The response assembly may be configured to generate a response in response to a break of the cable.

Abstract: An elevator installation includes an elevator shaft provided with shaft doors and a car moveable up and down in the shaft. The car has a car skirt moveable between a horizontal rest position and a vertical blocking position. The car skirt is pivotally and displaceably mounted on the car by a guideway. When the car skirt is in the blocking position, it can be supported on an adjacent one of the shaft doors.

Abstract: A sill gap monitoring system includes a sensor assembly configured to sense a sill gap between an elevator sill and at least one of a bottom surface of an elevator door and a bottom surface of a gib. The sill gap monitoring system generates an alert when the sill gap is greater than a sill gap limit.

Abstract: An elevator car including: a door; and an apron movable between a deployed position and a retracted position; wherein in the deployed position the apron hangs below the door; wherein in the retracted position the apron is vertically overlapped with the door; and wherein in the retracted position the apron is engaged with the door such that it is movable sideways together with the door. As the apron is displaced upwards relative to the elevator car it will block the doorway. However, as the apron is engaged with the door in the retracted position, opening the door also moves the apron out of the way of the doorway so that the apron does not hinder passengers from using the elevator car.

Abstract: Elevator systems are described. The systems include an elevator car movable along an elevator shaft having a pit floor. A car apron assembly is provided that includes an apron frame movably mounted to the elevator car, the apron frame having a frame base, a support arm, and an apron stop at an end of the support arm opposite the frame base, and a semi-rigid curtain extending between a car sill and the frame base. A shaft stop is arranged within the elevator shaft to interact with the apron stop. The curtain transitions from a deployed state to a compressed state when the apron stop contacts the shaft stop, and when in the deployed state the curtain extends below the elevator car to block an open landing door that is lower than the elevator car when the elevator car is positioned offset and above an adjacent landing.

Abstract: Elevator systems are provided. The systems include an elevator car movable along an elevator shaft, the shaft having a pit floor and a shaft top, the elevator car having an elevator car door sill. A plurality of landings are arranged along the elevator shaft, wherein each landing has a landing door. A car apron assembly is provided that includes a car apron attached to the elevator car at the elevator car door sill, a first triggering element connected to at least one landing door, and a second triggering element operably connected to the car apron. The car apron is deployable from a stowed state to a deployed state when the first triggering element engages and actuates the second triggering element.

Abstract: An illustrative example elevator sill assembly includes a sill plate and at least one support arm secured to the sill plate. A mounting bracket is configured to be mounted to an elevator car. The support arm is supported on the mounting bracket to allow the support arm to pivot relative to the mounting bracket. At least one linear actuator has a moving portion that moves in a vertical direction to cause the at least one support arm to pivot relative to the mounting bracket to thereby cause the sill plate to pivot from a stored position to an actuated position.

Abstract: A side of the seal member 35 is provided rotatably to a car-side door sill 31. The rotation of the side allows the side to be displaceable between a sealing position and an evacuation position. The link mechanism for rotating the seal member 35 releases an engagement with the car-side actuating member to rotate the seal member 35 to a sealing position and fixes the seal member 35 at the sealing position. The link mechanism engages with the actuating member and releases the fixing of the seal member 35 at a sealing position when the car door moves to the door-close end.

Abstract: An exemplary elevator assembly includes an elevator car having a frame member. At least one toe guard panel is moveable between a first position and a second position. In the first position the toe guard panel is situated to provide a vertical surface beneath the elevator car and the toe guard panel has an end spaced a first distance from the elevator car. In the second position the toe guard panel is situated with a second, shorter distance between the end and the elevator car. A moving mechanism coupled with the toe guard panel selectively moves the toe guard panel from the first position into the second position. An instigator member situated in a selected vertical position interacts with the moving mechanism to begin movement of the toe guard panel from the first position when the frame member of the elevator car is approximately at the selected vertical position.

Abstract: The door sill unit includes a bottom support, a support construction extending upwards from the bottom support and a support member being supported by a pivot on the support construction so that the support member can be rotated around the pivot between a first position and a second position.

Abstract: A mining elevator carrying platform and carrying method, the platform comprises a power system (1) and a four-rod carrying device (5), a rotating rod (3) connected with the power system (1) is set on the carrying device (5); the power system (1) comprises a flameproof motor (1-1), a upper-limited switch (1-2), a down-limited switch (1-5) and a main pulley (1-6), the flameproof motor (1-1) is connected with the main pulley (1-6) through a main steel cable (1-4), a baffle (1-3) is set on the main steel cable (1-4), a double cable channel is set on the main pulley (1-6), and the main pulley (1-6) is connected with a sub-pulley (1-8) by a sub-steel cable (1-7), a sliding plate (1-9) is set on the sub-steel cable (1-7), and a sliding rod (1-10) is set on the sliding plate (1-9). The main pulley (1-6) is driven to rotate by the flameproof motor (1-1) through the main steel cable (1-4), thus the sub-pulley (1-8) is driven to rotate.

Abstract: A device (100) for closing an opening in a room has a frame (102) in the reveal of the room opening and at least one leaf (104) which is arranged movably with respect to the frame (102) and is movable with respect to the frame into a closure position in which there is, between the frame (102) and the leaf (104), a gap (112) which can be sealed by means of a deformable and/or movable sealing member (114). A sealing member actuating device (120), by means of which the sealing member (114) can be deformed and/or moved, is arranged in the frame (102) and/or in the leaf (104) in order to seal the gap (112).

Abstract: The door sill unit includes a bottom support, a support construction extending upwards from the bottom support and a support member being supported by a pivot on the support construction so that the support member can be rotated around the pivot between a first position and a second position.

Abstract: A pitless elevator system removes a car buffer and machine, and other components where so equipped from under the elevator car such that the elevator car can be operated to a clearance between it and a floor of a hoistway of about three inches. The machine may be mounted on board the car or may be located elsewhere and the car buffer located in normal side clearance space. The system further provides a retractable toe guard to allow the car to bottom at the indicated distance from the floor. The system facilitates retrofit applications of elevators without the prior art drawback of digging a pit.

Abstract: An elevator having an elevator car configured to move in a hoistway, and floor landings, and a protective arrangement, which arrangement has a wall connected to the bottom of the car, which protective wall can be displaced between a vertical operating position and a retracted position folded out of the vertical operating position, and when in which operating position the wall forms a wall extending downwards from the bottom edge of the floor landing side of the elevator car, and in which elevator the protective arrangement has locking means for preventing the protective wall in the operating position from folding out. The locking means has one or more movable locking means, which is/are arranged to be moved between a locking and retracted position, when in which locking position the locking means prevents the wall in the operating position from folding out of the operating position towards the retracted position.

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 exemplary elevator assembly includes an elevator car having a frame member. At least one toe guard panel is moveable between a first position and a second position. In the first position the toe guard panel is situated to provide a vertical surface beneath the elevator car and the toe guard panel has an end spaced a first distance from the elevator car. In the second position the toe guard panel is situated with a second, shorter distance between the end and the elevator car. A moving mechanism coupled with the toe guard panel selectively moves the toe guard panel from the first position into the second position. An instigator member situated in a selected vertical position interacts with the moving mechanism to begin movement of the toe guard panel from the first position when the frame member of the elevator car is approximately at the selected vertical position.

Abstract: An exemplary elevator toe guard assembly includes a first panel. A second panel is slidable relative to the first panel in a first direction between an extended position and a retracted position. The first panel moves in a second, different direction from an extended position toward a folded position responsive to the second panel moving toward the retracted position.

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: A gate below an elevator car which prevents access to an elevator hoistway. The gate slidably mounts behind a toe guard and retracts upwardly if the bottom of the gate encounters a person, object or the floor of the elevator pit during downward travel of the elevator. The gate latches when fully retracted so that it may be out of the way during maintenance. A microswitch is wired into the emergency stop circuit that engages when the gate is latched. A trip wire defining the bottom edge of the gate is also wired into the emergency stop circuit, so that the elevator will stop its downward travel if it encounters an obstruction. Rubber bumpers on the bottom edge of the gate cushion impact to people or objects who happen to be below the elevator car and are struck by the gate during downward elevator movement.

Abstract: A toe guard (1) for an elevator car (2), said toe guard comprising a movable panel (3). The panel (3) comprises a first panel part (10) which, being guided and supported by guide tracks (5), is movable substantially between a drawn-out position on a landing floor and a stowed-away position under the car. In addition, the panel comprises a second panel part (11) which, guided by the first panel part (10), is telescopically movable between a retracted extreme position where the first and second panel parts are disposed in a mutually nested and/or superposed relationship, and an extended extreme position where the first and second panel parts are disposed substantially in a mutually adjacent relationship.

Abstract: Devices and methods for blocking a gap between an elevator cab and a landing platform to prevent objects falling into the elevator shaft when the cab is adjacent the landing platform and any doors therebetween are open. A plurality of bristles is attached to the cab substantially adjacent the floor or sides of the cab and extending substantially perpendicular to the exterior of the cab to impede passage of objects through the gap. The device comprises a plurality of bristles attached to a frame and optionally secured to the frame by a bristle assembly. The device includes means for fastening to the elevator cab so that the bristles are adjacent and substantially planar to the floor or sides of the cab. The devices and methods thus provide easier retrieval of items dropped over the gap and provide a visual cue to deter disposal of detritus or debris through the gap.

Abstract: A sealing device for an elevator door includes a doorway member, doors, a movable member, a push-down mechanism and a sealing mechanism. The doorway member is provided for a gate. The doors open or close along the doorway member. The movable member is set horizontally and provided to be movable in a vertical direction in the doorway member, and it is urged upwards by an urging unit. The push-down mechanism pushes down the movable member against the force of the urging unit just before the doors are closed. The sealing mechanism is kept non-contact with the doors while they are moving, and seals the gap between the doors and the doorway member as it is brought into contact with upper section of the doors when the movable member is pushed down by the push-down mechanism.

Abstract: A sealing device for an elevator door includes a doorway member, doors, a movable member, a push-down mechanism and a sealing mechanism. The doorway member is provided for a gate. The doors open or close along the doorway member. The movable member is set horizontally and provided to be movable in a vertical direction in the doorway member, and it is urged upwards by an urging unit. The push-down mechanism pushes down the movable member against the force of the urging unit just before the doors are closed. The sealing mechanism is kept non-contact with the doors while they are moving, and seals the gap between the doors and the doorway member as it is brought into contact with upper section of the doors when the movable member is pushed down by the push-down mechanism.

Abstract: An elevator installation includes a car within a shaft, a buffer mounted in a pit of the shaft and a barrier located in the pit surrounding or within an area wherein a vertical clearance between the pit floor and the car or equipment mounted thereon is less than a regulatory threshold value when the car fully compresses the buffer. The barrier acts to physically deter personnel within the pit from inadvertent presence in the area of reduced vertical clearance.

Abstract: A doorway device for an elevator has a safety shoe provided at a closing side end of a car door, and the car door is provided with a shoe interlock mechanism. The shoe interlock mechanism has a link member for shoe movement moved relative to the car and to the car door when the car door is moved in association with the movement of the car door relative to a car. The movement of the safety shoe relative to the car door is associated with the movement relative to the car door of the link member for shoe movement. A closing member is provided under a car sill. The closing member is movable between a closing position where a sill gap between the car sill and a landing sill is closed and an opening position where the sill gap is opened. A closing member interlock mechanism is connected between the shoe interlock mechanism and the closing member. The closing member interlock mechanism moves the closing member in association with the movement relative to the car of the link member for shoe movement.

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: A toe guard (1) for an elevator car (2), said toe guard comprising a movable panel (3). The panel (3) comprises a first panel part (10) which, being guided and supported by guide tracks (5), is movable substantially between a drawn-out position on a landing floor and a stowed-away position under the car. In addition, the panel comprises a second panel part (11) which, guided by the first panel part (10), is telescopically movable between a retracted extreme position where the first and second panel parts are disposed in a mutually nested and/or superposed relationship, and an extended extreme position where the first and second panel parts are disposed substantially in a mutually adjacent relationship.

Abstract: When the car of the elevator is at the landing the first gap (20) between the first front edge (9) of the car sill (7) and the second front edge (16) of the landing sill (14) is at most approx. 15 mm, preferably approx. 1-10 mm, in the area (21) of the car sill which is on the side of the space (19) into which the second connecting elements (18) in the shaft extend in the horizontal direction. The car sill contains an opening (22) and the footguard (10) can contain a corresponding vertical chute (23) at the point of the opening (22). The opening (22) and the chute (23) allow the passage of the car sill (7) and the footguard (10) over the second connecting elements (18). The second gap (24) left between the landing sill (14) and the car sill (7) at the point of the opening (22) is greater than the first gap (20). The car sill (7) comprises a closing element (25), which contains a covering surface (26) essentially the size of the opening.

Abstract: In an elevator comprising an entrance frame provided on an entrance leading from a landing hall to a hoistway and having an upper frame (103) and a vertical frame (102, 102), and landing doors (110, 110) arranged on the entrance frame with a gap and to be guided by a sill (104) for opening-closing an opening of the entrance frame, the landing doors (110, 110) have smoke shielding members (120, 130, 111) which are provided on a top portion, side portion, and a bottom portion of the landing doors (110, 110) for preventing the infiltration of smoke. The smoke shielding member (130) on the side portion is in contact with the smoke shielding member (111) on the bottom portion at a lower position, and is in contact with the smoke shielding member (120) on the top portion at an upper position.

Abstract: A door with a sliding door leaf has guides that are arranged in the region of an edge of the door leaf. The guides include a belt so aligned that it extends by the belt length thereof longitudinally of the guide surface for the door leaf in the direction of sliding of the door leaf. When the door leaf is sliding, the belt runs with the door leaf in such a manner that a portion of the belt bears against the guide surface when the door leaf is open, closed and sliding and thereby guides the door leaf.

Abstract: An elevator car comprising a single, rigid toe guard member (10) slidably mounted to the bottom of the car so as to be slidable upwards in the event that the toe guard member (10) strikes the bottom of a hoist way pit.

Abstract: The invention relates to a safety device arrangement for an elevator door opening, said safety device arrangement comprising at least a toe guard (3) placed substantially at the lower edge of the elevator car and a safety circuit (21) connected to the elevator system. The safety device arrangement comprises a safety circuit switch (16) placed on the toe guard (3) and a bypass switch (17) connected to the safety circuit (21), said bypass switch being fitted to bypass the safety circuit switch (16) at least when the elevator is at or close to the lowest landing floor.

Abstract: A double deck elevator comprising an upper cage and a lower cage vertically movable together in a hositway, wherein a space between the upper cage and the lower cage is covered by covers. The covers guide airflow flowing around the space to reduce air turbulence noise, and consequently the quietness and comfortableness in the cages is improved.

Abstract: A double deck elevator comprising an upper cage and a lower cage vertically movable together in a hoistway, wherein a space between the upper cage and the lower cage is covered by covers. The covers guide airflow flowing around the space to reduce air turbulence noise, and consequently the ride in the cages becomes quieter and more comfortable.

Abstract: An improved hoistway access detection system including three safety chains, one for monitoring door position on the even numbered floors, one for monitoring door position on the odd numbered floors, and one for monitoring the position of the pit door, wherein an elevator car is slowly moved to the alternate floor upon detection and subsequent closure of an open pit door and any landing door.

Abstract: An integrally poured concrete rail guidance system enables the elimination of traditional metal rails by pouring the concrete rail at the same time as the hoistway is poured. Time and expense is avoided in the construction and the concrete rails are durable.

Abstract: An integrally poured concrete rail guidance system enables the elimination of traditional metal rails by pouring the concrete rail at the same time as the hoistway is poured. Time and expense is avoided in the construction and the concrete rails are durable.

Abstract: An elevator landing apparatus including a detector mounted on one of a doorsill part of a cage of an elevator provided in an elevator shaft and a doorsill part of an elevator hall, and a detected member mounted on the other of the doorsill part of the elevator hall and the doorsill part of the cage. The detector and detected member are configured to position the cage at a position where the doorsill part of the elevator hall and the doorsill part of the cage are flush with each other when the detector and the detected member are opposite each other. The one of the detector or the detected member provided on the doorsill part of the cage is mounted along a side of the cage and facing toward a side of the elevator shaft.

Abstract: A pneumatically operated elevator has a pair of elongated vertical tubular cylindrical shafts and horizontally extending cross-over shafts extending between the vertical shafts adjacent their upper and lower ends to provide a substantially closed system. A cab is disposed within one of the vertical shafts, and a fan in at least one of the cross-over shafts moves air between the ends of the shafts to produce a pressure differential above and below the cab to cause the cab to move upwardly and downwardly in the one shaft. At least one vent is provided to admit air into at least one of the shafts to compensate for leakage from the shafts.

Abstract: A finger guard for a door of an elevator comprising a brush carrier, which is arranged for attachment to an architrave adjacent the elevator door of the kind, which, for opening and closing, slides sideways in a vertical plane relative to the architrave, and a brush carried by the carrier and disposed to be directed outward from the architrave and into close adjacency with at least one of the elevator doors so as to be angled across a corner region between the architrave and the elevator door whereby to provide a guard against fingers being trapped between the door on the architrave in the corner region.

Abstract: Double deck elevator cars (10-12) are moveable in corresponding adjacent overlapping hoistways (7-9). Passengers entering the bottom deck (39) from a ground landing are transferred into the bottom deck (47) of a second elevator as passengers in the upper deck (46) of the second elevator are transferred to the upper deck (38) of the first elevator. Passengers in the lower deck (31) of a third elevator (10) are transferred to a lower landing (33) as passengers in an upper landing (32) enter an upper deck (30) of the third elevator. Passengers are thereafter transferred in the same fashion between the second elevator and the third elevator at a second transfer level (49).

Abstract: A fire lintel for a freight elevator pass door that provides a fire stop in the gap between the door opening header and the upper panel of the pass door and that is displaceable for passage of the door above into the gap when the door above opens. Two embodiments of the fire lintel are characterized by overlapping baffle-like elements that afford a high resistance to the passage of gases into the hoistway in the event of a fire.