Examples provide a door assembly including a dual operation slide device for a sliding privacy door associated with a seat unit. The door assembly includes a sliding door movably mounted to a door support member of a seat unit. The door slides laterally between a retracted position and a deployed or partially deployed position. The dual operation slide device includes a trigger and release mechanism for switching the door assembly from a primary track system used during a normal operation mode to a secondary track system used during a backup operation mode if the primary track becomes jammed or otherwise malfunctions based on manual activation of a release lever or force applied activation. The dual operation slide device enables a user to return the sliding door to a retracted position after a failure of the primary slide units to operate in the normal operational mode.

The present invention relates to a gate with an emergency opening device, comprising a gate panel which is movable between an open and a closed position, a primary motor which drives the gate panel by way of a gate panel drive, and an auxiliary motor which is connected to an emergency power supply and is adapted to drive the gate panel. In order to improve such a gate to the extent that the emergency opening device is reliably usable to open the gate in the event of different types of failure of the main drive motor of the gate, it is proposed that the auxiliary motor be coupled by way of an auxiliary motor coupling to the gate panel and that the emergency power supply comprise an energy storage.

A system for moving an aircraft door from an open position towards a closed position. The system includes an aircraft door actuator, an input receiving primary power from a primary power supply to power movement of the aircraft door from the open position towards the closed position, a secondary power supply to power the aircraft door actuator to move the aircraft door from the open position towards the closed position, and a controller configured to cause the secondary power supply to power the aircraft door actuator to cause the aircraft door actuator to move the aircraft door from the open position towards the closed position, on the basis of a determination that insufficient primary power is available from the primary power supply via the input to move the aircraft door from the open position towards the closed position.

An overhead door operator system (1) for opening and closing an opening (2), comprising a door frame (3) comprising a first frame section (4) at a first side (7) of the opening (2) and a second frame section (6) at a second side (5) of the opening (2). The operator system further comprises a door (8) arranged to be moved between an open and closed (C) position, the door (8) being movably connected to the door frame (3) and a drive unit (10) mounted on the door (8), the drive unit (10) comprising at least one motor (11) arranged to move the door (8) from the closed position (C) to the open position (O). An elongated transmission member (19) extends along the first side (7) of the opening (2) and the first frame section (4). The drive unit (10) further comprises a driven transmission member (18) in driving connection with the motor (11).

A fixation seat having a first guiding element and a second guiding element mounted inside of a hinge mechanism is mounted at a wall or a frame's surface. A first guided assembly and a second guided assembly are mounted at the fixation seat and respectively guided by the first guiding element and the second guiding element to move away from each other or move back. A movable assembly comprises a movable and pivotable shaft mounted through the fixation seat and optionally connected to the first guided assembly or the second guided assembly. A door is mounted at the movable assembly and pivots relative to the surface through the shaft. The movable assembly lifts and lowers the door via the shaft, connected one of the guided assemblies, guided by the guiding elements, so the hinge mechanism is adaptable to install the door at left-side or right-side surfaces.

Examples provide a door assembly including a dual operation slide device for a sliding privacy door associated with a seat unit. The door assembly includes a sliding door movably mounted to a door support member of a seat unit. The door slides laterally between a retracted position and a deployed or partially deployed position. The dual operation slide device includes a trigger and release mechanism for switching the door assembly from a primary track system used during a normal operation mode to a secondary track system used during a backup operation mode if the primary track becomes jammed or otherwise malfunctions based on manual activation of a release lever or force applied activation. The dual operation slide device enables a user to return the sliding door to a retracted position after a failure of the primary slide units to operate in the normal operational mode.

At least one leaf of this door is equipped with a detection device comprising a mechanical detection device and a contactless sensor each capable of detecting a presence. The control circuit board comprises a control unit for movement of each leaf and a diagnostic unit, while means transfer, from the detection device in the direction of the diagnostic unit and the control unit, a first item of information representative of the activation state of the mechanical device, and a second item of information representative of the activation state of the contactless sensor. The diagnostic unit can identify a malfunction at least of the contactless detection device, when the first item of information has an active value while the second item of information has an inactive value. The invention allows redundancy to improve the availability of the detection device, while performing predictive maintenance for the operator, in particular a malfunction of the contactless sensor.

A system for detecting the movement conditions of the leaf closing a barrier, the leaf being able to occlude a delimited opening or passage and in which the leaf itself is moved by a motor whose rotation shaft is associated with a motion transmission mechanism to the leaf. On the motor is present a first device for measuring the rotation of the rotation shaft, and a second measuring device is associated with a second rotation shaft being connected to the first shaft by a reduction gear with a reduction ratio that is non-integer.

An access door for a transport vehicle is disclosed herein. The access door includes a frame delimiting an opening, at least one leaf movable between an open position and a closed position, and a detection device including a mechanical detection device to detect pressure applied to the detection device and a contactless sensor to detect a presence in a vicinity of the detection device. The access door further includes a control circuit including a diagnostic unit, a control unit to control movement of the at least one leaf, and a transfer circuit to transfer items of information representative of an activation state of the mechanical detection device and the contactless sensor. The diagnostic unit can identify malfunctions of the mechanical detection device and the contactless sensor based on the items of information.