A gas cylinder (1) to be used in a vehicle safety arrangement is provided. The gas cylinder (1) comprises a cylinder (2) and a piston (3). The piston is movably arranged inside the cylinder (2) and divides the cylinder in a first chamber (7) and a second chamber (8). The first chamber (7) is…
An aircraft seat assembly (100) including stanchions (112) defining elongated guide channels (120) and elongated motion sleds (116) nested in the guide channels and affixed to a seat bucket (104). An energy absorber (124) implemented as a wire bender assembly is coupled between the stanchions and…
A mount assembly (128) for mounting a cabin attendant seat (100) to a support structure (140) may comprise a first strap (150a) configured to plastically deform in response to a deflection of the support structure (140). The first strap (150a) may comprise a first perforation (160), a second…
An assembly for an energy attenuation system is described. The assembly offers a lower profile configuration that fits better into tight spaces that exist in the compact seats that are required for military helicopters. The assembly includes a cable (110) that is oriented and positioned to work…
A rotorcraft seating assembly includes a seat base supporting a seat bucket (102), the seat base having left- and right- side panel portions. Each side panel portion has a linear bucket guide channel set into its inside face (including an upper portion for adjusting the seat bucket (102) relative…
A safety arrangement for a height-adjustable seat structure is provided. The seat structure (100) comprises a first set of legs (101A) comprising a first leg (105A) pivotably connected to a second leg (108A), and a first pair of guide rails (102A) comprising an upper and a lower guide rail (103A…
An active system and a computer-implemented method for reducing vibrations of seats in a vehicle is described. The system and method adjust a damping and/or a stiffness of a vibration damper (104) based on system input signals from the vehicle or seat system. The signals include one or more of a…
Die vorliegende Erfindung betrifft eine Energieabsorptionsvorrichtung für einen Sitz eines Luftfahrzeugs, insbesondere eines Hubschraubers, mit - mindestens einer Einwirkungseinrichtung (2, 4) und - mindestens einem mit der Einwirkungseinrichtung (2, 4) gekoppelten Energieabsorber (1), wobei die…
A mechanism disposed between a frame structure and a base structure, the mechanism comprising a damper including a piston rod. The damper is mechanically connected between the frame structure and the base structure in a normal mode of operation. The damper enables a longitudinal and suspended…
A passenger restraint system for roller coasters designed to maintain a passenger in an essentially seated or lying posture, with suspended feet. The passenger restraint system includes a fixed column and a seat column designed to support and hold the passenger, which seat column is coupled to the…
A system includes a shear member and an energy absorber. The shear member is configured to couple a seat portion to a base structure of a vehicle. The shear member is configured to sustain a first load without fracture and configured to inelastically deform under a second load. The second load is…
Various embodiments of restraint system pretensioning devices for use in land, air, and sea vehicles are described herein. In one embodiment, a seat unit for use in a military land vehicle or helicopter includes a stroking device that enables the seat to move downwardly in response to sudden…
An energy absorber (100) for limiting an acceleration force undergone by a heavy body, such as an occupant of a seat subjected to acceleration during an aircraft crash, comprises a take-up drum (10) mounted for rotation about a shaft (13) around which a traction line (11) is wound. The shaft is…
The invention consists of a vertically mobile seat structure (1) for a military vehicle comprising a vertical guidance means (6) of the movement of the seat (3) relative to a body (2) of the vehicle, guidance means (6) incorporating a release means (12) capable of releasing the vertical movement of…
The present invention refers to a device to reduce the vibrations that are produced in the chairs of helicopter pilots due to the movement of the blades of such aircraft. Such device is based on a low weight and cost pneumatic system, that counteracts the vibrations suffered by the pilot, as it…
The present invention provides a shock absorbing apparatus for an aircraft seat, that attenuates shock to passengers and crews. The apparatus includes; an airbag 11 being expanded in a plate shape in a state of less than maximum expansion; an upper flat plate 12 arranged on one side of the airbag…
The assembly guides a belt (4) and/or a rope via a deflection part (6), where an end (4.1) of the belt and/or the rope is connected to a vehicle structure i.e. vehicle floor. Another end (4.2) of the belt and/or the rope is connected to the vehicle structure via a tie point (8) at a component to be…
An energy absorbing device for reducing acceleration transmitted to a seated occupant in a vehicle as a result of a high energy impact. The device comprises a first energy absorbing mechanism having a first dimension in the impact direction and capable of undergoing predetermined elastic…
An energy absorber for absorbing energy of a vehicle or component (30) of a vehicle or occupant of the vehicle in a crash situation so as to allow relatively gradual deceleration of the vehicle, component or occupant, the energy absorber including a first part (32), a second part (36) and an…