The invention relates to a vehicle seat with a vehicle seat upper part and a vehicle seat lower part, the vehicle seat upper part and the vehicle seat lower part being connected to one another by means of a connecting means in such a way that the vehicle seat upper part can be moved relative to the vehicle seat lower part and, when the vehicle seat upper part moves relative to the vehicle seat lower part, the relative movement can be sprung by means of a spring element, the vehicle seat having an additional volume, the spring element being arranged between the vehicle seat upper part or the vehicle seat lower part and a proportion of the additional volume.

The invention relates to a vehicle seat, in particular for commercial vehicles, with an upper part and a lower part and with at least one air spring which exerts a resilient effect on a height-distance-movement which changes between the upper and lower parts, and with at least one damper element which damps the changing height-distance movement, wherein the air spring is connected at an air spring outlet to an adjustment device which adjusts a degree of damper hardness, which damps the changing height-distance-movement, wherein the air spring is connected at an air spring outlet to an adjustment device for adjusting a degree of damper hardness of the damper element, wherein the degree of damper hardness can be adjusted and changed by means of an air pressure of the air spring.

The invention relates to a seat arrangement for a vehicle, in particular for a fork-lift truck, the seat arrangement having a first spring part, on which a vehicle seat is arranged, and a second spring part, which can be moved relative to the first spring part by means of a connecting unit and is connected to the body, the relative movement of the first spring part to the second spring part being sprung by means of a spring unit, the spring unit and the connecting unit being arranged laterally on the first spring part.

The invention relates to a shock absorber with a housing, and an inner pipe arranged in the housing, a piston rod, a piston, and which piston divides the interior of the inner pipe into a lower chamber and an upper chamber, a first valve arrangement which is arranged on the piston, a second valve arrangement which is arranged at the upper end of the inner pipe, and a third valve arrangement which is arranged at the lower end of the inner pipe. The shock absorber is distinguished by the fact that at least one proportional flow-control valve is arranged between a first connecting element of the lower chamber of the inner pipe and a second connection element at the upper chamber of the inner pipe.

A seat suspension including a base frame having a back portion and a bottom portion fixedly securable to a support surface. A carriage assembly is movably connected to the base frame. The carriage assembly includes a transverse member slidably connected to the base frame and a vertical guide member extending upwardly from the transverse guide member and movably connected to the base frame. The carriage assembly includes a suspension support having a first end pivotally secured to the transverse member. A shock compensating mechanism including an adjustment member is slidably disposed on a pivot surface secured to the transverse guide member. Movement of the adjustment member changes shock compensation properties of the shock compensating mechanism. A height adjustment mechanism disposed on the frame includes an actuator wherein operation of the actuator selectively moves the seat frame, the carriage assembly, and the shock compensating mechanism relative to the base frame.

A kinetic seat assembly includes a primary seat back frame, a secondary seat back frame, and an upper pivot mechanism coupling the secondary seat back frame to the primary seat back frame. The upper pivot mechanism includes a bracket, and a pivotable link extending from a pair of opposite sides of the bracket and interconnecting the bracket and the primary seat back frame. A first end of each of the pivotable links is pivotally attached to the bracket, which is coupled to the secondary seat back frame, and an opposite second end each of the pivotable links is pivotally fixed to the primary seat back frame. The secondary seat back frame is permitted to move in a kinetic seat vertical direction relative to the primary seat back frame as the pivotable links permit the bracket to move in the kinetic seat vertical direction relative to the primary seat back frame.

Various embodiments of the present technology may comprise a method and apparatus for a space-saving suspension system. In various embodiments, the apparatus may comprise a fine suspension device, a coarse suspension device, and a mechanical assembly. In various embodiments, the fine suspension device is arranged at an angle greater than zero degrees from the z-axis. In various embodiments, the mechanical assembly is coupled to the fine suspension device and a payload, such that when a force is exerted on the mechanical assembly by the payload, an applied force is transmitted to the fine suspension device.

A blast attenuating seat system for protecting a vehicle occupant from impulses generated by blasts from underneath the vehicle, and methods for manufacturing and using same. The blast attenuating seat system includes a post, a mounting body coupled to a portion of the post and a seat assembly movably coupled to the mounting body configured to move relative to the post and mounting body. The seat assembly includes a seat body having a seat support structure configured to support a plurality of seat cushions and a shock assembly coupling the seat body and mounting body and configured to compress and expand such that the seat assembly moves relative to the post and mounting body. The blast attenuating seat system thereby provides/enables improved protection for vehicle occupants that may be exposed to explosive blasts.

A seat suspension includes a seat support, a base, and a suspension assembly positioned between the seat support and the base. The suspension assembly includes a compressible cushion for containing a gas; and a chamber. The chamber includes a cylindrical hollow member, a front cap at one end of the cylindrical hollow member, an end cap at another end of the cylindrical hollow member, and a piston positioned within the cylindrical hollow member between the front cap and the end cap. The front cap includes an orifice. The orifice provides fluid communication between the cushion and the chamber. When a compressive force causes movement of the seat support portion towards the base, thereby compressing the cushion, the gas from the cushion flows through the orifice into the chamber and directly forces movement of the piston away from the front cap.

A seat suspension includes a seat support, a base, and a suspension assembly positioned between the seat support and the base. The suspension assembly includes a compressible cushion for containing a gas; and a chamber. The chamber includes a cylindrical hollow member, a front cap at one end of the cylindrical hollow member, an end cap at another end of the cylindrical hollow member, and a piston positioned within the cylindrical hollow member between the front cap and the end cap. The front cap includes an orifice. The orifice provides fluid communication between the cushion and the chamber. When a compressive force causes movement of the seat support portion towards the base, thereby compressing the cushion, the gas from the cushion flows through the orifice into the chamber and directly forces movement of the piston away from the front cap.