Abstract: A brake arrangement for a drive apparatus, in particular for a drive apparatus for adjusting a vehicle flap, includes a brake housing (2), wherein the brake housing (2) comprises a first brake housing part (3) and a second brake housing part (7), a first brake element (13) which is arranged non-rotatably in the brake housing (2), a second brake element (15) which is arranged rotatably in the brake housing (2), and a preload means (19) for preloading one of the first brake element (13) and second brake element (15) toward the other of the first brake element (13) and second brake element (15) in the direction of a longitudinal axis (L) of the brake housing (2). The brake housing (2) has a connecting section (11) for connecting the first brake housing part (3) and the second brake housing part (7), and in that the first brake housing part (3) and the second brake housing part (7) are welded to one another in the connecting section (11).

Abstract: Described and illustrated is a regulating valve for a door drive, wherein the regulating valve has an axis of rotation, wherein the regulating valve includes at least two ends and at least two sealing sections, wherein the regulating valve includes a regulating section, and the regulating section is disposed between the sealing sections. A regulating valve for a door drive, which is particularly simply manufacturable, is realized in that at least one radial thickening forms at least one of the sealing sections, wherein at least one radial tapering of the regulating valve forms the regulating section.

Abstract: A door hinge with a damping function which is implemented according to the flow of oil when opening and closing a door so that a buffering force is applied during opening of the door, closing of the door is carried out smoothly. Due to rapid return of a damper unit, the damper unit immediately operates even when the door is closed immediately after being opened, thereby enabling smooth opening and closing of the door.

Abstract: A pull-out guide includes a carcass rail, a drawer rail movable along a longitudinal axis in an opening and closing direction of a movable furniture part, a drive apparatus for moving the drawer rail and the movable furniture part between a closed position and an open position, and a depth adjustment device for adjusting the closed position of the drawer rail relative to the carcass rail. The depth adjustment device has a carrier, a stop element movable relative to the carrier, and a depth adjustment wheel mounted rotatably about a rotation axis on the carrier for moving the stop element along the longitudinal axis. The rotation axis of the depth adjustment wheel is parallel to the longitudinal axis, and the stop element contacts a stop-counterpart piece of the drive apparatus in the closed position and is releasable by the stop-counterpart piece.

Abstract: An emergency opening device (1) for an aircraft door having: a tubular operating member (2); elastic compression device (3). The operating member (2) has a first end element (10) and a second end element (11) that can move in translation with respect to one another. The first end element (10) includes a removable driving stop (20).

Abstract: The invention describes a fluid damper for furniture parts that are movable relative to one another, said fluid damper comprising a piston (4) guided movably in a cylinder (1) along a longitudinal axis. At least one through opening (4.1, 4.2) for fluid flowing through is provided in the piston (4) and/or between the piston (4) and cylinder (1). A sleeve (2) is arranged so as to be radially rotatable, relative to the piston (4) against a spring loading, about the longitudinal axis or about an axis running parallel thereto, which sleeve comprises, on its circumference, a number of wings (2.1, 2.2, 2.1?, 2.2?) corresponding to the number of through openings (4.1, 4.2). The spring loading is directed such that the wing (2.1, 2.2, 2.1?, 2.2?) exposes the through opening (4.1, 4.

Abstract: A sliding door includes a frame and a slow close assembly. The frame is positioned along at least a portion of the sliding door and includes a protrusion configured to slide along with the sliding door. The slow close assembly is repositionable between an outward position and a compressed position. The slow close assembly includes a slow close mechanism, a spring, and a soft close latch. The slow close mechanism is laterally positioned within the slow close assembly. The spring is positioned at an end of the slow close assembly and provides an outward force onto the slow close assembly in an outward direction substantially perpendicular to the lateral direction. The soft close latch is configured to engage the protrusion as the protrusion slides along with the sliding door. The spring biases the slow close assembly into the outward position when the latch is not interfaced with the protrusion.

Abstract: A sliding door system includes a door frame and a sliding door leaf that can move relative thereto. A catch is arranged either on the door frame or on the sliding door leaf, which can be coupled to a drive element of a feed device arranged on the respective other component. The feed device has a spring energy store and a cylinder-piston unit. The cylinder-piston unit has a piston that separates a displacement chamber from a compensation chamber. A passage cross-section between the displacement chamber and the compensation chamber can be changed in a load-dependent manner by a piston disk that can be applied at a piston end side. The tension force of the tension spring of a minimal effective length is between 1.5 and 3.5 times the total static friction force of the sliding door leaf and the resistance of the cylinder-piston unit at the maximum passage cross-section.

Abstract: A friction based counterbalance mechanism for coupling with a closure panel of a vehicle to assist in opening and closing of the closure panel, the counterbalance mechanism including: a first housing having a first pivot connection mount for connecting to one of a body of the vehicle and the closure panel; an extension member coupled to the first housing at one end and being extendable and retractable with respect to a second housing coupled adjacent to the first housing along an axis, the second housing for connecting by a second pivot connection mount to the other of the body and the closure panel; a sliding friction mechanism having: a shaped sleeve mounted on an exterior surface of the extension member, the shaped sleeve providing an exterior friction surface; and a resilient friction element mounted to the second housing in a fixed location on the axis, the resilient friction element positioned between second housing and the shaped sleeve and biased into contact with the exterior friction surface; wherei

Abstract: A door opener includes a driving device having a first transmission member driven by a motor. A push rod is connected to the first transmission member to move therewith. A pressing rod unit is pivotably coupled to the push rod and includes a coupling sleeve, first and second end pieces coupled to the coupling sleeve, and an adjusting screw rod in threading connection with the second end piece. The first end piece is coupled with a first pivotal member coupled with a door. An end of the adjusting screw rod is located outside of the coupling sleeve and is coupled with a second pivotal member pivotably connected to the push rod. When the adjusting screw rod rotates, the adjusting screw rod moves in an axial direction of the coupling sleeve to change a length of a portion of the adjusting screw rod outside of the coupling sleeve.

Abstract: A door opener with an anti-loose linking unit includes a driving device and a linking unit disposed between the driving device and the door. The driving device includes a motor and a first transmission member operatively connected to the motor. The linking unit includes a first push rod connected via a connecting screw to the first transmission member, permitting joint pivotal movement. An anti-loose member is non-rotatably mounted on the first push rod. Ahead of the connecting screw is non-rotatably coupled with the anti-loose member. Thus, the connecting screw cannot rotate relative to the first transmission member and the first push rod, reliably preventing the first push rod from disengaging from the first transmission member.

Abstract: An apparatus for moving sliding doors and wardrobe doors fixed to the inner face of the top of a door includes at least one carriage and at least one braking device with a slider pulled by at least one coil return spring. The door is hung from a beam made up of two extruded profiles, the first of which is fastened to the wall with screws and relative plugs; the second extruded profile is fastened to the first profile with snap-in couplings. These coupled profiles define a cavity in which the braking device is housed and stabilised with screws, fixed on a cantilevered bracket of the second extruded profile. The latter defines a sliding track for the wheels or bearings of the carriage(s), fixed to the door at a recess.

Abstract: An exemplary modular hold-open device is configured for use with a door closer comprising a body, a pinion rotatably mounted to the body, and an armature connected with the pinion. The modular hold-open device is configured to be mounted to the door closer, to selectively prevent rotation of the pinion by exerting on the pinion a resistive torque in a door-opening direction, and to cease exerting the resistive torque in response to a door-closing torque on the pinion exceeding a threshold torque to thereby permit rotation of the pinion in the door-closing direction.

Abstract: A hydraulic damper assembly comprises a main tube extending between a first and a second end and defining a fluid chamber extending therebetween. A main piston slidably disposed in the fluid chamber divides the fluid chamber into a compression chamber and a rebound chamber. A piston rod attaches to the main piston. An additional piston couples to the piston rod axially spaced from the main piston. The additional piston has a top surface and a bottom surface and defines at least one pathway extending through the additional piston. The additional piston defines a recess bounded by an upper surface and a lower surface. A ring slidably is disposed in the recess. The additional piston includes an anti-noise member located in the recess whereby the anti-noise member releases fluid pressure between the ring and the upper surface reducing noise generation during a compression stroke and a rebound stroke.

Abstract: A dampened hinge assembly has a male leaf and a female leaf. The female leaf has spaced apart first and second end barrels coaxially rotating with respect to a central barrel of the male leaf therebetween. An axial shaft is fixed to the second end barrel of the female leaf at a proximal end of the axial shaft. The axial shaft has a distal helicoidally threaded spindle. A compression gear having a helicoidally threaded bore matching the helicoidal thread of the spindle displaces towards the first end barrel when the leaves move into alignment and towards the second end barrel when the leaves move out of alignment. The dampened hinge assembly may be reconfigured to provide soft closure, end-of-range soft closure and/or backcheck damping.

Abstract: A connector assembly includes a shaft and a first annular knob fixed to the shaft and a second annular knob releasably engaged with the shaft. Each of the first and second annular knobs includes a front face, a face, and a central passage that receives the shaft. The central passage has first, second, and third sections. The width of each first section is greater than the width of the third section, and the width of the second section is greater than the width of the first section. The second section defines an annular slot between the first and third sections.

Abstract: A damper device set is provided which can mount a damper device on a door that is thin and has a constraint on the mounting position. A first fastening member is used to fix a mounting plate to a door. A second fastening member placed at a position different from the first fastening member in a thickness direction of the door is used to fix, to the mounting plate, a damper device including a case and a linear damper housed in the case. At least part of the linear damper overlaps at least part of the first fastening member in plan view of the door.

Abstract: A door assembly includes a first door skin, a second door skin spaced apart from the first door skin and a door operator disposed between the first door skin and the second door skin. An arm extends from the door operator. The door operator includes a motor moving the arm to move the door between a closed position and an open position and between the open position and the closed position. A current sensor generates a current signal corresponding to the current to the motor. A position sensor in communication with the door arm generates a position signal corresponding to the position of the door relative to the frame. A controller communicates with the sensor and the motor. The controller controls a motor current to the motor in response to the current signal and the position signal.

Abstract: A friction brake including a shaft having an input end and an output end, at least one lock collar, at least one tolerance ring disposed between the lock collar and the shaft providing an interference fit therebetween, and a locking component adapted to engage the lock collar to prevent rotation of the lock collar.

Abstract: A damper includes a pressure tube defining a first end and a second end opposite to the first end. The pressure tube includes a primary section extending from the first end and a reduced-diameter section extending from the second end. The damper includes a primary piston slidably disposed within the pressure tube. The primary piston defines a rebound chamber and a compression chamber within the pressure tube. The damper further includes a secondary piston movable with the primary piston. The damper includes a sleeve connected to the pressure tube and surrounding the reduced-diameter section. The damper also includes a base valve. The pressure tube and the sleeve define an intermediate chamber therebetween. The pressure tube further defines at least one tube opening to fluidly communicate the compression chamber with the intermediate chamber.

Abstract: The present disclosure describes various embodiments of a concealed or hidden door closer that is installed in a rail of a door assembly. In some embodiments, the door frame and door closer components are configured to allow the door assembly to be readily installed as either a left or a right hand hinged door.

Abstract: Provided is a sliding door closer set which makes it possible to adjust the position of a trigger arranged inside a door pocket from outside of the door pocket. A sliding door closer set comprises a rail (4), a closer (6) hanging a sliding door (1) and being capable of moving along the rail (4), and a trigger (8) arranged inside the door pocket (2), wherein the sliding door (1) is pulled into the door pocket (2) as a result of engagement between the trigger (8) and the closer (6), which has moved to a predetermined position on the rail (4). The trigger (8) arranged inside the door pocket (2) is integrally connected to a trigger integrated plate (10). The trigger integrated plate (10) is mounted to the rail (4) outside the door pocket (2).

Abstract: An angularly variable device for use on a door having a closer piston with a piston arm wherein the angularly variable device is a protracting blocker comprised of a first section and a second section. Each section comprises a wall from which extends at least one tab extending perpendicularly therefrom. From the wall extends generally perpendicularly at least one but preferably a plurality of tabs so that the at least one tab on each of the first section and the second section rests on top of the piston arm. A retainer presses against an elbow joint forming part of the piston arm so as to firmly press the wall against the piston arm so that one side of the blocker is pressed against one side of the piston arm while the retainer presses against the opposite side of the piston arm so as to provide a secure installation of the blocker on the piston arm.

Abstract: The invention relates to a braking device (20) for a moving door leaf (5) comprising a generator (22), the at least one generator shaft (24) of which can be rotated via a movement of the door leaf (5), and at the connection terminals of which a movement-dependent first output voltage occurs, which is applied to an evaluation and control electronics system (10) having an evaluation and control unit and a braking circuit. The braking circuit generates an effective braking force for damping the movement of the door leaf (5), wherein the braking circuit (18) has at least one switch element, via which the connection terminals can be short-circuited, as well as a door closer (1) having a braking device of this type. According to the invention, a second output voltage of the generator (22) is applied to a charging circuit (12), which stores electrical energy for supplying the evaluation and control electronics system (10) with power.

Abstract: The present disclosure describes various embodiments of a concealed or hidden door closer that is installed in a drip cap of a door assembly. In some embodiments, the door frame and door closer components are configured to allow the door assembly to be readily installed as either a left or a right hand hinged door.

Abstract: A hinge for doors of electrical household appliances, including a box-shaped element and a first lever pivoted on the box-shaped element by means of a pin; one of either the box-shaped element or the first lever being fixable to a frame and the other being fixable to a door, to make the door tiltably movable relative to the frame between a closed position and an open position; first elastic means supported by the box-shaped element and designed to apply an elastic action on the first lever, a rod for connecting the first lever to the first elastic means, positioned in a slidable fashion inside the box-shaped element; a hydraulic damping member for applying a damping action during the reciprocal motion between the first lever and the box-shaped element.

Abstract: A bidirectional damper includes a box body, a damping cylinder arranged in the box body, a spring assembly, and two sliding blocks. The damping cylinder and the spring assembly are parallelly arranged between two sliding blocks, and ends of the damping cylinder and the spring assembly pivots with corresponding sliding block. Sliding pins are arranged on sides of the two sliding blocks, and a first blocking portion and a second blocking portion are arranged on lower ends of the two sliding blocks. Sliding grooves are arranged on sides of the box body and extends along two ends of the box body, and the sliding grooves are correspondingly matched with the sliding pins on the two sliding blocks. An end of the sliding grooves, near an end of the box body, is bent towards a top of the box body.

Abstract: A soft closing damper fitting includes a soft closing damper fastenable to an internal door leaf of a multi-leaf sliding door and can be used for right-hand or left-hand closing. A Z-shaped profiled sheet has a central leg and with two outer legs angled in each case by 90° in opposing directions. For fastening the soft closing damper for right-hand closing the central leg comprises first fastening holes and a first marking for its fastening position on the internal door leaf. For fastening the soft closing damper for left-hand closing the central leg comprises second fastening holes and a second marking for its fastening position on the internal door leaf. The first fastening holes are spaced apart from the second fastening holes and the first marking is spaced apart from the second marking in each case by the same distance A in the longitudinal direction of the profile.

Abstract: Disclosed is a new compact clamp for sliding glass doors, which includes two jaws, left jaw and right jaw. One of the jaws has a damper formed by a double-effect damper with gas and oil technology, using a cylinder containing a front gas chamber and a rear gas chamber which are located at the ends of the cylinder, and a central oil tank, the gas chambers and the oil tank being separated by a blind piston and an annular piston, which are both leak tight. In the central oil tank is disposed a non-leak tight damping piston that is connected to a rod of the damper and divides the tank into two oil chambers.

Abstract: A mechanism for influencing opening and closing movements of a wing of a door, a window, or the like. The mechanism includes a sliding arm disposed between the wing and a fixed frame. The sliding arm is rotatably mounted to the wing or on the frame. A sliding block is disposed in a sliding rail and is coupled to the sliding arm. The sliding rail or the sliding block has means for energy conversion through which mechanical kinetic energy generated by the sliding block is converted into electrical energy to supply at least one electrical component with electric current to at least one of generate a braking torque or drive the sliding block.

Abstract: A shower door comprises a movable door, wherein at least one rolling wheel is fixed on the movable door, and at least one limiting member is fixed on the movable door; the shower door further comprises a track, the track is arranged below the rolling wheel, a closer is fixed on the track, the closer comprises a clamping member and a middle portion of the clamping member is provided with a clamping mouth facing upwards; and the limiting member comprises a limiting block and an anti-bouncing block, wherein the limiting block is located above the track, the limiting block is capable of being clamped in the clamping mouth of the clamping member and the anti-bouncing block is located below the track.

Abstract: A friction hinge with its motion restricted in one pivoting direction includes a support member, a restricting module, and a pivot member. The restricting module is mounted on the support member. The restricting module has an air flow opening. The pivot member is pivotable relative to the support member and the restricting module. A regulating chamber is defined between the pivot member and the restricting module. When the pivot member is pivoted in one direction, a pressure in the regulating chamber is increased and the restricting module is actuated to reduce size of the air flow opening, increasing the resistance to pivoting of the pivot member in this pivoting direction.

Abstract: A mechanism for influencing the opening and/or closing movement of a wing of a door, a window or the like comprises a sliding arm disposed between the wing and a fixed frame, being mounted rotatably on one hand on the wing or frame and on the other hand, guided by a sliding block in a sliding rail disposed on the frame or wing. Here, energy conversion means are assigned to the sliding rail and/or the sliding block, through which the kinetic energy of the sliding block can be converted to electrical energy, and electrical energy produced in this way can be converted to mechanical energy, in order to supply at least one electrical component with electric current, to generate a braking torque and/or to drive the sliding arm, at least in sections, especially to support the closing and/or opening movement.

Abstract: A door closer, comprising a door closer housing mounted to one of a door frame or a door surface and a linkage arm for pivoting the door between open and closed positions. The linkage arm has a first and second end, the first end mounted to the other of the door frame or the door surface. The door closer includes a rotatable connector between the linkage arm and the door closer housing, the linkage arm second end engaging with the rotatable connector. The connector has a rotatable body portion and head protrusion substantially secured in a female receptor to transmit rotation about a longitudinal axis of the connector. One or both of the head protrusion or female receptor has a curved profile and is further movable with respect to the head protrusion to permit limited rotational misalignment of the linkage arm on any axis perpendicular to the connector longitudinal axis.

Abstract: A modular garage door opener system and method including a garage door opener having a motor that is configured to be coupled to a garage door to open and close the garage door. The garage door opener includes a first accessory port including a first accessory mounting interface and a second accessory port disposed on the garage door opener including a second accessory mounting interface. An accessory device including a first mounting interface engages the first accessory mounting interface to couple the accessory device to the first accessory port. The accessory device may be disengaged from the first accessory mounting interface and then engage the second accessory mounting interface to couple the accessory device to the second accessory port. Additionally, a second accessory device may engage the first accessory port after disengagement of the accessory device.

Abstract: A friction hinge is described. Generally, the friction hinge provides a variable torque profile for a movable component. In an example, the friction hinge includes a hinge frame; a pivot member pivotably engaged with the hinge frame, the pivot member being attached to a support component movably attached to a device; an elongated member attached to the to hinge frame, the elongated member having a ramped surface on at least a first portion of the elongated member; and an engagement member slidably engaged with the elongated member, the engagement member configured to slide along the elongated member during pivoting of the pivot member relative to the hinge frame, the sliding of the engagement member along the taped surface of the elongated member causing variations in a sliding friction based on an amount of change in surface height over longitudinal distance of the ramped surface and contributing to a torque profile of the hinge.

Abstract: In a draw-in arrangement with a carrier element, which is movable back and forth from a force- and/or form-locking fixed park position to an end position and a carrier which can be coupled to the carrier element, the carrier is provided with a stop projection having a stop surface area and the carrier element has an engagement projection with a push surface area for contact with the stop projection. The stop projection is provided with a carrier-side surface layer. At least one of the surface areas is provided with an elastic surface layer to prevent contact noises. The invention also resides in a sliding door arrangement with such a draw-in arrangement to prevent contact noises.

Abstract: A door closer, comprising a door closer housing mounted to one of a door frame or a door surface and a linkage arm for pivoting the door between open and closed positions. The linkage arm has a first and second end, the first end mounted to the other of the door frame or the door surface. The door closer includes a rotatable connector between the linkage arm and the door closer housing, the linkage arm second end engaging with the rotatable connector. The connector has a rotatable body portion and head protrusion substantially secured in a female receptor to transmit rotation about a longitudinal axis of the connector. One or both of the head protrusion or female receptor has a curved profile and is further movable with respect to the head protrusion to permit limited rotational misalignment of the linkage arm on any axis perpendicular to the connector longitudinal axis.

Abstract: A method of installing a replacement door closer assembly including a closer mechanism includes the steps of: (a) removing a previous door closer assembly from a mounting surface of a door or a door jamb; (b) fixing a first mounting bracket on the mounting surface through a first pre-existing mounting hole; (c) extending the closer mechanism of the replacement door closer assembly through the first mounting bracket while aligning a second mounting bracket with at least a second pre-existing mounting hole in the mounting surface; (d) sliding the closer mechanism back toward the first mounting bracket so that the second mounting bracket can be fixed to the mounting surface through the second pre-existing mounting hole; and (e) positioning and securing the closer mechanism between the first and second mounting brackets.

Abstract: A door closer assembly configured for replacing a previous door closer assembly and installing using pre-existing mounting holes. The door closer assembly includes a closer having a closer housing and a pair of universal mounting brackets. The closer housing has an abutment surface along an axis of the closer. Each universal mounting brackets has mounting openings aligning with the pre-existing mounting holes. The closer is secured to the universal mounting brackets.

Abstract: A structure of a damper for a glove box includes: a rod which has a guide provided on an upper portion thereof, and a rack gear provided along one side thereof; a housing which has a guide groove that is correspondingly coupled to the guide; a damper which is installed on the housing; a slot hole which is provided at one end of the housing and to which a rotating shaft provided on the damper is correspondingly and movably coupled; and a pinion gear which is provided at an end of the rotating shaft and engages with the rack gear.

Abstract: A door closer capable of adjusting door closing speed, includes a pneumatic cylinder on the door frame, a hydraulic cylinder on the door, and a lever. One end of the lever is movably connected to the pneumatic cylinder, and the other end is connected to the hydraulic cylinder. The pneumatic cylinder includes a sliding rail, and a sliding member cooperated with the sliding rail. A hermetic chamber is formed by the sliding member and the sliding rail. An adjusting valve, for adjusting the air exhaust of the hermetic chamber, is provided on a wall of the hermetic chamber.

Abstract: A door closing device for installation between a door and a door jamb includes a closer rod having an end configured to be fixed to the door jamb, the closer rod being movable between a withdrawn position in which the door is closed and an extended position in which the door is opened. The device also has a hold-open mechanism that includes a driver fixed to the closer rod and movable between a release position that permits movement of the closer rod, and a hold position that holds the closer rod in the extended position, and a resilient retainer configured to capture the driver in the hold position. The driver is separated from the retainer by a disengagement force applied to the retainer.

Abstract: A hinge structure may comprise a first assembly including a central post with an outer surface and a first connector element on the central post for mounting on a first structure, a second assembly pivotally coupled to the first assembly and including a ring extending about the central post, a ring connector connected to the ring, and a second connector element on the ring for mounting on a second structure. A braking element may apply a selectable amount of resistance to pivot movement of the second connector element with respect to the first connector element and including a friction pad extending about a portion of the central post, a pressure band for pressing the friction pad against the central post, and a connecting structure connecting the ends of the band and being adjustable to move the ends closer toward each other and to relax the ends away from each other.

Abstract: An automatic drive unit for a door assembly of the type having a frame with an opening, a door positionable within the opening between an open position and a closed position, and a door actuator for moving the door between the open and closed positions, includes a controller circuit having a power source, a timing circuit for reporting the date and time to a processor, a non-volatile memory, a programmed set of instructions, and a display. The programmed set of instructions are adapted for receiving input of a location and open and close offset times, and storing such information in the memory. The controller circuit executing the instructions determines based on its location and the date a sunrise time and a sunset time, opens the door at the sunrise time plus the open offset time, and closes the door at the sunset time plus the close offset time.

Abstract: An automated door closure system regulate the release and closure of a door in a door assembly that includes a primary door, a secondary door, and a door frame. The system includes a door closer, a control unit, and an automatic input sensor. The door closer, which is connected between the secondary door and the door frame and includes a cylinder and an operating rod, biases the secondary door toward a closed position. The control unit includes a motive device and a rod catch element. The rod catch element, which may be moved by the motor, is positioned in proximity to the operating rod to adjustably prevent the secondary door from being closed. The automatic input sensor detects a door assembly use condition. The control unit controls the motive device based on the detected condition to move the rod catch element, allowing the door closer to close the secondary door.

Abstract: A spring loaded actuator assembly includes a first member having a set of rails, a second member configured to translate axially relative to the first member and a third member configured for translational movement within the second tubular member. The second and third members each include a set of ramp-like teeth configured to engage one another when the third member is moved within the second member; and grooves configured to engage the rails of the first member and permit translational movement of the second and third members relative to the first member while preventing rotational movement of the second and third members.

Abstract: A rotatably supported door including a hinge including a stationary hinge portion, a leaf hinge portion, which is pivotable about the stationary hinge portion, and a rotating shaft passing through the stationary hinge portion and the leaf hinge portion. The rotating shaft cooperates with an opening and/or closing damping device.

Abstract: An interlock assembly for a door latch mechanism of a door in a container for bulk material that has an interior lined with a membrane for holding fluid. The interlock assembly includes a plunger in an aperture formed through the door, which moves between an extended position, where the plunger extends into the interior of the container, and a locked position, where the plunger is urged outwardly from of the interior of the container. A spring is positioned to apply a force to urge the plunger to the extended position. A lock member is connected to move with the plunger between the extended position and the locked position. The spring force is selected to enable the membrane, under static pressure of fluid within the container, to urge the plunger to the locked position, thereby engaging the lock member to interlock against operation of the door latch.

Abstract: A hinge device includes a first fixed tubular half-shell having a working chamber defining a longitudinal axis, a second tubular half-shell rotatable about the longitudinal axis, a pivot rotating unitarily with the latter which includes a single pass-through actuating member having a helical shape, a plunger member slidable along the longitudinal axis, and a tubular bushing having a pair of guide cam slots. A pin inserted within the pass-through actuating member is provided to allow the mutual engagement of the pivot and the bushing. The first tubular half-shell includes an end portion susceptible to rotatably support the pivot, the second tubular half-shell and the bushing are coaxially coupled to each other, and the bushing and the first tubular half-shell are mutually unitarily coupled.