Abstract: The present invention is directed to a stepless sliding doors system, comprising: two sliding doors (10), at least one of them comprising: two vertical poles (30); means (50) for rotating each of the vertical poles (30); to each side of the vertical poles (30) is firmly connected a hand-connector (36); each of the hand-connectors (36) is pivotally connected to a rail-cart (18) having two rollers (42); each of the rail-carts (18) comprises a horizontal hinge (58) disposed between the rollers (42), and a vertical springy hinge (70), for applying pulling or pushing force of the rollers on a rail thereof, thereby allowing placing the sliding doors of the system in the same plane when in the closed state of the doors, and shifting the doors one along the other in the open state thereof, and additionally preventing the wheels to deviate from a rail in the case of slight deformations.

Abstract: A low profile actuating window lock for casement windows having a handle actuate a lifter that slides vertically on a fork component in slidable communication with the window lock casing, the handle pivotable about the lifter and pivotable about a restrictor arm that pivots relative to the casing, allowing the handle to rotate fully from the locked position to the unlocked position with low clearance from the window frame. The pivot points of the handle, lifter, restrictor arm configuration allow for an over center linkage that prevents back driving the casement window lock.

Abstract: A railroad vehicle that moves a door to an airtight position and maintains air tightness of the door without increasing the size of a cylinder device; and a plug door for a railroad vehicle. When a door moves to a position, a piston extends in the vehicle width direction, a pressing member is contacts the inner surface of the door, and the door is moved toward a door frame. An auxiliary pressing device brings the piston into perpendicular contact with the inner surface of the door making it is possible to efficiently move and press the door without increasing the size of a cylinder device even when the door must be moved across a distance to arrive at an airtight position. The main pressing device is used to press the door toward the door frame.

Abstract: A moveable holder for connecting a moveable member to a stationary member includes two pivoting arms mountable between the members. The moveable member has a position abutting the stationary member and a position spaced away from the stationary member. One of the arms is spring-loaded such that the moveable member is easily urged to either the abutting position or the spaced-away position when the moveable member is located at a neutral position intermediate to the abutting position and the spaced-away position.

Abstract: A simultaneous movement system for a vehicle door is provided. The system includes a simultaneous movement system comprising first and second primary hinge arms, first and second secondary hinge arms, primary and secondary rails and guide track. The second primary hinge arm and the second secondary hinge arm are pivotally mounted to a vehicle body structure on one end and are pivotally mounted to a primary slide and a secondary slide at the other ends respectively. The first primary hinge arm includes a guide track region and a rail region. The primary rail receives a primary slide. The secondary rail receives a secondary slide. The guide track receive the guide track region of the primary hinge arm thereby allowing the primary hinge arm to travel along both the guide track and the primary rail simultaneously through the guide track region and the rail region of the primary hinge arm.

Abstract: A door opening and closing apparatus for a vehicle includes a first hinge base adapted to be mounted to a vehicle body, a second hinge base adapted to be mounted to a vehicle door, a four-link hinge including a first hinge arm and a second hinge arm for connecting the first hinge base with the second hinge base, the four-link hinge supporting the vehicle door between a fully open position and a fully closed position, a fully open position locking mechanism adapted to be mounted on the vehicle door for locking the vehicle door relative to the vehicle body at the fully open position, and an unlocking mechanism adapted to be mounted on the fully open position locking mechanism for releasing a locked condition of the vehicle door.

Abstract: The drive for a sliding door or a swinging-sliding door of a rail vehicle, comprising a guide rail which is fixed inside the rail vehicle and on which a carriage carrying a door leave is arranged in a longitudinally displaceable and optionally rotatable manner, and a spindle drive provided with a spindle which extends parallel to the guide rail and a spindle nut which is connected to the carriage in a fixed manner in the direction of the axis of the spindle. The spindle nut and the carriage are connected by means of a rotative sliding joint.

Abstract: A hinge assembly for attaching a door structure to an aircraft fuselage is provided. The door structure is linked to the aircraft body structure by way of a programmable mechanical linkage that is attached to the hinge member. The programmable mechanical linkage is actuated along the hinge member so as to maintain the door structure attached thereto in a controlled angular relationship relative to the longitudinal axis of the aircraft fuselage through its attachment to the fixed aircraft frame.

Abstract: A system for opening and closing at least one door in furniture, rooms and the like, involves the use of a vertical rod from which arms extend that engage slidingly with the door, the bottom of the door being fitted with wheels so that, in order to open the door and by rotating the arms, the door is moved from the closed position into a position in which it is displaced outwards. The door is then slid back over the arms until the opened position is reached. This door opening and closing system does not require any space in front of the door and, in cases where there are multiple doors, allows one door to be in perfect alignment with another door. Furthermore, it is both structurally simple and easy to operate.

Abstract: A door arrangement for opening and closing a motor vehicle door in a door opening (2) in an outside vehicle wall (1), having at least one door panel (3) which, in the closed position, assumes a position that is essentially flush position with the outside wall (1) and which can be swung into an open position which at least partially exposes the door opening, and in which the door panel (3), outside of the vehicle, assumes a roughly parallel position to outside wall (1). The door panel (3) is connected to the vehicle to swing via at least one pivoting lever (5). To enhance the sealing action in the closed position, it is provided that a forward edge (31) of the door panel (3), by way of a linkage mechanism (7, 8, 9) executes a movement by which this edge (31) fits from inside behind the associated edge (door frame 4B) of outside wall (1) or a seal (10) located thereon, in the closed position.

Abstract: A climate cabinet, turntable and use of the turntable. The climatic cabinet (1) can be loaded automatically and manually and has a conventional door (3) and a controllable door (2) as well as a turntable (4) which is connected via a releasable coupling (9) disposed in the interior of the climatic cabinet (1) with a positioning drive (5) and is seated on the floor of the climatic cabinet (1). The controllable door (2) is movably seated on two guide systems (6, 7) perpendicularly and parallel with the loading side (21). The positioning drive (5) is controllable by a higher system or by a user. The turntable (4) has a support shaft (45), tray disks (41) and spacer sleeves as well as spacer tubelets (47, 46) for spacing the tray disks apart, also positioning elements (51) for receiving storage pieces (50). The turntable (41) is suitable for use in a device, for example a climatic cabinet (1), or outside of this device.

Abstract: An improved apparatus and method of sliding window construction are disclosed. When moving in an open position, a sash member is guided for movement in a first plane generally parallel to the window frame opening. When moving toward closure, the sash is guided by rotatable glide members that simultaneously transversely move all four corners of the sash into closure under cam action of the glides, to uniformly compress a weatherstrip seal around the entire perimeter of the sash. The transverse movement between open and closed positions can be performed in a manner such that the general plane of the sash remains parallel to the first plane throughout the transverse movement phase. Means are provided for retainably maintaining the sash at discrete positions along the transverse path of the sash during closure.

Abstract: The present invention is drawn to guide structure in a piece of furniture having a group of sliding doors including first and second doors alternately disposed in a coplanar relation when in respective closed positions thereof. Each first door is slidably guided in a lateral direction by 2 first group of guide members via rigid connecting elements connected thereto and sliding elements in sliding engagement with the first group of guide members. Each of the second doors is not only slidably guided in the lateral direction by a second group of guide members but is forwardly shiftable in the piece of furniture via articulating parallelogram linkages connected thereto and sliding elements in sliding engagement with the second group of guide members. A third group of longitudinal guide members are disposed adjacent and extend parallel to the first and second groups of guide members.

Abstract: Hardware for the closure of a door or window which is constructionally simple and functionally reliable, permitting movement of the closure out of the frame to a parallel position and allowing horizontal shifting in this position. Lower supporting arms are pivotally mounted on the closure and two traveling carriages are associated with the supporting arms and with an associated bearing block at the side of the closure. The carriages are designed in mirror-image relationship, so that the carriages are movable in opposite directions by means of a differential coupling gear.

Abstract: Tilt-slide mechanism for moving a wing of a window or door to a parallel stop position and in this position for shifting it horizontally. The mechanism has lower and upper shift arms, wherein the lower arms 10 are in each case pivotally mounted (on the one hand) on the lower transverse wing beam and (on the other hand) on a traveling carriage. A releasable blocking device is provided for the lower shift arms when they are located in the parallel position. The blocking device consists of a two-armed hinged supporting lever and a guide pivot pin; its lower arm is shiftable along a guide slot on the wing. The guide pivot pin of the supporting lever combines with a detent recess to join the guide slot on the wing to the blocking device for fixing the lower shift arm relative to the wing in the parallel stop position.

Abstract: A swing-and-slide door for vehicles, especially railroad passenger vehicles. The leaf is suspended at the top on a positioning bushing on a supporting rail that extends over the total width of the door. At the bottom of the door a horizontal positioning rail is secured to the leaf. A positioning section slides back and forth mechanically secured in the positioning rail. The securing rail and positioning section are secured to the studs of two cranks. The cranks are fastened vertically separated to the vehicle superstructure by means of horizontal shaft studs and cranks studs that extend parallel to the direction of displacement, are connected by a connecting section, and are driven by a pneumatic cylinder. The door is opened in a sequence of two stages. The leaf is first displaced out of the closed position into a ready-to-slide position and then slid horizontally to the side in that position. The bottom and top of the leaf are mechanically secured during both stages.

Abstract: A trailer having a plurality of sliding side doors as well as conventional rear doors permits side access to the trailer interior, enhancing cargo loading and unloading speed and flexibility. At least one side of the trailer includes full length upper and lower tracks, each upper and lower track slidably receiving a set of trolleys which support and guide an individual door. The trolleys are coupled to the doors by pivoting arms which move between two positions. In the first, closed position, the door is in substantial vertical alignment with the tracks and may be latched to the trailer proper such that it functions as a portion of the sidewall; in the second, open position, the door is spaced laterally from the tracks and the other doors such that it may be slid along the full length of the trailer.

Abstract: A plug door assembly for use in closing an opening in a wall. The assembly includes a door and rail means adapted to be mounted on the wall for use in longitudinally moving the door between an open position alongside the opening and an intermediate position opposite the opening. Mounting means movably mount the door on the rail means. The mounting means include means for laterally moving the door between the intermediate position and a closed position within the opening, and means for locking the door in the closed position with cooperating locking means on the wall.

Abstract: A moveable, rollaway door or window panel is provided in a structure having one moveable panel and one fixed panel. The moveable panel, when in its closed position, is substantially co-planar with the fixed panel; and when in its fully open position, it is substantially co-extensive with and on the interior side of the fixed panel. A pair of control rods, one at each side, is concealed within the sash structure of the moveable panel, and is secured at its top and bottom ends to a cam member. Each cam member has a guide member which co-operates with a guide track, and is rotatable with respect thereto. The cam members at the upper ends of the control rod are connected to each other by a tie rod or cable in such a way that rotation of one of the control rods causes an equal rotation in the same direction of rotation of the other of the control rods, thereby assuring planar movement of all four corners of the moveable panel.

Abstract: In a combined ventilator and window for installation in the roof of a motor coach, a panel 18 is mounted on angularly movable arms 28 so that the panel 18 can be moved between a closed position, opened positions in which either side of the panel 18 or either end of the panel 18 is opened, and an open position in which the panel 18 is parallel to and spaced from its closed position. The arms 28 are pivotally mounted on the frame 10 at 38 and have detent means 36, 40 to hold them in their alternative positions. The other ends of the arms 28 are pivotally connected to brackets 46, 74 depending from the panel, the latter pivotal connections being adapted to permit relative movement between the arms 28 and the panel 18 additional to movement about the respective axes of pivotal coupling.

Abstract: A rail house car with at least one opening along each of its sides. The car includes a door for closing each of the openings by movement of the doors longitudinally along the car sides and laterally into and out of the openings. Bottom and top rotating crank members moveably support and retain the doors on longitudinal tracks below the doors and within longitudinal retainer means above the doors. At least some of the crank members are selectively manually driven by rotational means for selective lateral movement of the doors. The top crank members adjacent the upper portion of the doors each include a bore. A forged pin is telescopingly received in each of a plurality of pipes rotationally mounted on the door. Each pin has a shank portion and an upper headed or flanged portion. Each crank member's bore is counterbored to receive the headed portion of a pin.

Abstract: A box car anti-pilferage device for plug doors mounted a sufficient distance above the rail whereby the device is usually beyond the reach of thieves standing on the ground in a railroad yard. The device includes a first plate having at least one opening therein mounted upon the door, and a second, movable plate having at least one opening therein mounted upon the plug door operating rod. The second plate obtains a position adjacent but spaced from the first plate when said box car door is in closed position. A locking member is mounted upon one of the first and second plates, and is biased toward a locked position passing through the openings in the first and second plates. The locking member is manually movable from said locked position to an open position out of engagement with one of the openings. A stop maintains the locking member in the open position during initial rotation of said operating rod from a door closed position toward a door open position.