Abstract: An elevator car (2, 2?), includes a first safety brake (8, 8?), including a first electronic safety actuator (512, 612), the first safety brake (8, 8?) positioned on a first side of the elevator car (2, 2?) at a first height (20, 20?); and a second safety brake (10, 10?), including a second electronic safety actuator (512, 612), the second safety brake (10, 10?) positioned on a second side of the elevator car (2, 2?) at a second height (22, 22?); the first height is different to the second height.

Abstract: Mandibular advancement measurement and positioning device provided with an instrument (1) with an upper slider (2) and a lower slider (3), means to measure and position the relative displacement of both sliders and two trays at one end of the instrument, one upper and one lower (11a, 11b), the trays being attached to each slider respectively, wherein the lower slider is divided into a fixed part (3a) and a pivoting part (3b) joined to the end of the fixed part (3a), being the upper and lower slider joined by means of a recess that allows a relative slide of both and wherein the pivoting part (3b) of the lower slider is provided with a vertical opening control (6). By means of the pivoting part and the opening control it is possible to measure and position the vertical opening.

Abstract: An elevator car (2, 2?), includes a first safety brake (8, 8?), including a first electronic safety actuator (512, 612), the first safety brake (8, 8?) positioned on a first side of the elevator car (2, 2?) at a first height (20, 20?); and a second safety brake (10, 10?), including a second electronic safety actuator (512, 612), the second safety brake (10, 10?) positioned on a second side of the elevator car (2, 2?) at a second height (22, 22?); the first height is different to the second height.

Abstract: Elevator car (6) comprising an interior space (10) for accommodating passengers and/or cargo, a structural ceiling (20) arranged at the top of the elevator car (6) and comprising at least one rescue opening (21), and a decorative ceiling (22) arranged below the structural ceiling (20) within the interior space (10). The decorative ceiling (22) is movable between a closed position in which it extends basically parallel to the structural ceiling (20) and at least one open position in which it extends into the interior space (10). The elevator car (6) further comprises a control element (30) which is selectively attachable to the structural ceiling (20) and to the decorative ceiling (22), respectively. The control element (30), when attached to the decorative ceiling (22), allows moving the decorative ceiling (22) between its closed position and an open position in a controlled manner.

Abstract: An elevator car (6) defining an interior space (12) for accommodating passengers comprises a support frame (22) positioned on a top side of the interior space (12); a support structure (30) pivotably mounted to the support frame (22); and a working platform (28) pivotably mounted to the support structure (30). The support structure (30) is pivotable with respect to the support frame (22) and the working platform (28) is pivotable with respect to the support structure (30) between a retracted position, in which the working platform (28) and the support structure (30) are oriented close to the support frame (22), and a deployed position, in which the support structure (30) extends away from the support frame (22) towards the interior space (12) and the working platform (28) extends away from the support structure (30).

Abstract: The invention relates to a method for the two-dimensional reconstruction of wave fronts (104) of light for use in an optical system (100) comprising: measuring the distribution function of the light intensity in at least two images at different optical planes (101, 102) having an optical path difference. In particular this method is suitable for probing the tomographical distribution of wave fronts of electromagnetic fields with an image detector, e.g. any standard two-dimensional camera.

Abstract: A method for obtaining a parameter representative of a height (H) of an upper surface of a material stacked in a coke oven with respect to a reference plane (P) is provided. The method includes the following steps: providing a sensor located above the upper surface at an operation distance (D1) from the reference plane, the sensor and the material forming a capacitor having a capacitance, obtaining at least one capacitance signal representative of said capacitance, obtaining at least one distance signal (S2) using the capacitance signal, the distance signal being representative of a distance (D2) between the sensor and the upper surface along a vertical direction (Z), and obtaining said parameter representative of the height using the distance signal and the operation distance. A process for controlling a filling rate of the coke oven, a system for implementing the method, and a coke oven including the system are also provided.

Abstract: An elevator car (2) comprising a passenger compartment defining an interior space (4) surrounded by sidewalls (62, 63, 64) and at least one car door; and at least one lighting arrangement (11) configured to illuminate the interior space (4). Said lighting arrangement (11) is associated with a ventilation system (18) configured to ventilate the interior space (4) even in a situation where the car door is closed.

Abstract: A method for obtaining a parameter representative of a height (H) of an upper surface of a material stacked in a coke oven with respect to a reference plane (P) is provided. The method includes the following steps: providing a sensor located above the upper surface at an operation distance (D1) from the reference plane, the sensor and the material forming a capacitor having a capacitance, obtaining at least one capacitance signal representative of said capacitance, obtaining at least one distance signal (S2) using the capacitance signal, the distance signal being representative of a distance (D2) between the sensor and the upper surface along a vertical direction (Z), and obtaining said parameter representative of the height using the distance signal and the operation distance. A process for controlling a filling rate of the coke oven, a system for implementing the method, and a coke oven including the system are also provided.

Abstract: A movable car mounted governor assembly for an elevator car is provided. The assembly includes a chassis releasably mounted to an upright of an elevator car and a governor operationally mounted to the chassis. The chassis is configured to move from a first position to a second position relative the upright, wherein in the first position the chassis is fixedly secured to the upright and in the second position the chassis is not fixedly secured to the upright.

Abstract: Elevator car (6) comprising an interior space (10) for accommodating passengers and/or cargo, a structural ceiling (20) arranged at the top of the elevator car (6) and comprising at least one rescue opening (21), and a decorative ceiling (22) arranged below the structural ceiling (20) within the interior space (10). The decorative ceiling (22) is movable between a closed position in which it extends basically parallel to the structural ceiling (20) and at least one open position in which it extends into the interior space (10). The elevator car (6) further comprises a control element (30) which is selectively attachable to the structural ceiling (20) and to the decorative ceiling (22), respectively. The control element (30), when attached to the decorative ceiling (22), allows moving the decorative ceiling (22) between its closed position and an open position in a controlled manner.

Abstract: An elevator car (6) defining an interior space (12) for accommodating passengers comprises a support frame (22) positioned on a top side of the interior space (12); a support structure (30) pivotably mounted to the support frame (22); and a working platform (28) pivotably mounted to the support structure (30). The support structure (30) is pivotable with respect to the support frame (22) and the working platform (28) is pivotable with respect to the support structure (30) between a retracted position, in which the working platform (28) and the support structure (30) are oriented close to the support frame (22), and a deployed position, in which the support structure (30) extends away from the support frame (22) towards the interior space (12) and the working platform (28) extends away from the support structure (30).

Abstract: A combined guide rail for an elevator system includes a car guide rail portion to guide an elevator car along an elevator car travel path and a counterweight guide rail portion to guide a counterweight of the elevator system along a counterweight travel path. A connecting portion extends from the car guide rail portion to the counterweight guide rail portion. The car guide rail portion, the counterweight guide rail portion and the connecting portion are formed together as a single unitary structure from a single piece of material.

Abstract: An elevator car (4) comprises at least two maintenance openings (14, 16): an overhead maintenance opening (14) provided in the ceiling of the elevator car (4) for providing access to at least one component arranged on top of and/or above the elevator car (4) and a lateral maintenance opening (16) provided in one sidewall (18) of the car for providing access to at least one component arranged besides the elevator car (4).

Abstract: An air nozzle for guiding a cut steel strip at the exit from a shearing device for a moving steel sheet is provided. The nozzle is made in one piece and extends along a main plane perpendicular to the direction of movement of the steel strip. The air nozzle includes an air inlet channel with a free end connected to a compressed air generator and an opposite end divided at a deflection junction into a first and a second air discharge channel facing each other on either side of the main plane. The free end of the first air discharge channel is located close to the exit and includes a plurality of first air discharge orifices orientated towards the second air discharge channel.

Abstract: A method for determining the complex amplitude of the electromagnetic field associated with a scene, comprising a) capturing a plurality of images of the scene by means of a photographic camera, the images being focused in planes of focus arranged at different distances, wherein the camera comprises a lens of focal length F and a sensor arranged at a certain distance from the lens in its image space, taking at least one image pair from the plurality of images and determining the accumulated wavefront to the conjugate plane in the object space corresponding to the intermediate plane with respect to the planes of focus of the two images of the pair.

Abstract: A drill bit for improving performance of a drilling machine is provided. The drill bit includes a drill bit body with a rear end adapted to be connected to a drilling machine, and a leading end with a flat face perpendicular to a longitudinal axis (X-X) of the drill bit body. The drill bit body includes a first tapered portion with diameters increasing from the flat face of the leading end to a maximum diameter (Dmax), a second tapered portion with diameters decreasing from the maximum diameter (Dmax) to the rear end of the drill body, at least three partly-circular recesses formed in the drill bit body thus delimitating as many tapered drilling faces, each of them extending from the flat face of the leading end to the maximum diameter (Dmax). The flat face and the tapered drilling faces have a plurality of protruding teeth and the teeth are cylindrical and have a longitudinal axis (Y-Y) forming an angle with the face supporting the teeth which is less than or equal to 90°.

Abstract: An elevator car panel (16, 16a), which is configured to be attached to at least one structural element (14) of an elevator car (2) comprises at least one opening (18) formed in a surface of the elevator car panel (16, 16a) for receiving at least one magnet (28); and at least one magnet (28) arranged within said one opening (18), wherein the at least one magnet (28) is configured for magnetically fixing the elevator car panel (16, 16a) to the at least one structural element (14).

Abstract: An elevator car comprises a ceiling and two bars extending parallel to and spaced apart from each other along the ceiling, wherein each of the bars comprises a first opening and a second opening. The elevator car further comprises a ceiling panel with two protrusions extending from opposite sides of the ceiling panel and configured such as to be received within the first openings, thereby allowing for a pivoting motion of the ceiling panel around an axis extending between the two protrusions; and at least one locking mechanism, which is switchable between a locked state and an unlocked state. In its locked state, the at least one locking mechanism engages with one of the second openings for locking the ceiling panel to at least one of the bars when the ceiling panel is pivoted into an operating position.

Abstract: A governor includes a housing, a pulley, a belt, a first flyweight, and second flyweight. The housing defines a housing cavity. The pulley is disposed at least partially within the housing cavity. The belt is in contact with the pulley. The belt is operable to rotate the pulley at a rotational speed. The first and second flyweights are pivotably connected to the pulley, and are biased towards one another. At least a portion of the first and second flyweights are operable to move away from the pulley when the rotational speed of the pulley is increasing toward a predetermined threshold rotational speed. The first and second flyweights are operable to contact the housing, and thereby transmit rotational energy to the housing, when the rotational speed of the pulley is equal to at least the predetermined threshold rotational speed.