Abstract: A seat adjustment apparatus comprises a first rail (24) and a second rail (26) each having a plurality of openings that extend along a longitudinal axis, the openings being defined by spaced-apart locking surfaces. A locking mechanism having first (56) and second (58) locking portions is configured to engage the first and second rails. The first (56) and second (58) locking portions are selectively rotatable between a released position and a locked position. In the locked position, the first and second locking portions are configured for relative axial movement along the longitudinal axis such that the interaction of the first and second locking portions of the locking mechanism with the spaced-apart locking surfaces of the openings of the first and second rails attenuates longitudinal freeplay therebetween.

Abstract: An automobile seat height adjuster includes a linkage base frame between the seat's side frames and seat brackets so as to be vertically swingable. The base frame has two pairs of linkage members interconnected by respective shafts. Each of the linkage members extends between one of the side frames and one of the brackets so as to be collapsable. A power transmission mechanism transmits to the linkage base frame power generated by operation of an operating knob and causes the linkage base frame to swing vertically, thereby causing the seat to move vertically. Stops on the linkage base frame abut the installation surfaces, limiting downward movement of the seat and keeping the seat in a lowermost position at which side frames of the seat are spaced from the installation surfaces.

Abstract: A longitudinal guide for motor vehicle seats having a bottom rail and a seat rail that are displaceable with respect to each other in one longitudinal direction. The motor vehicle seats are adjustable in a longitudinal direction and are also removable from the longitudinal guide. Detents are formed in the bottom rail. The seat rail comprises a base part and a supporting part. The base part has at least one front and at least one rear transverse bolt, which cooperate with the detents. The base part is adjustable with respect to the supporting part between a lower position, in which the transverse bolts are not engaged with the detents, and an upper position, in which the transverse bolts engage detents. Only in the lower position is the seat rail displaceable with respect to the bottom rail.

Abstract: A vehicle seat includes a reclining mechanism having a lock member, which is engaged with a ring member when it is pressed by a cam body, and a walk-in mechanism. A rotating arm, which is rotated by operation of a reclining lever or a walk-in lever, is secured to a center shaft. The reclining lever operates the rotation of the rotating arm by means of a link lever having a slot. The walk-in lever operates the rotation of the rotating arm independently of the reclining lever. When a seatback is tilted forward by the operation of the walk-in lever, the slide mechanism of the vehicle seat is unlocked, and the entire seat is moved forward.

Abstract: A seat may be obtained with good operability of plural operating members for operating plural adjustable units. A vehicle seat is provided with: a seat lifter, provided to a seat body for sitting on and adjustable by operation force transmitted from a first operating system; a reclining mechanism, provided to the seat body and adjustable by operation force transmitted from a second operating system; and an operation force imparting unit that is provided at a position where it is able to be operated by a seat occupant at a predetermined position on the seat body. The operation force imparting unit is able to independently take up a first state in which a lifter knob is operated and the seat lifter adjusted, and a second state in which the reclining lever is operated and the reclining mechanism adjusted.

Abstract: An occupant safety system for protecting the occupant of a vehicle seat, the system comprising a movable seat supporting member located under the vehicle seat, the supporting member being operatively connected to the vehicle seat so that the seat moves with the supporting member; and a driving member connected to the supporting member by an elongated linking member; wherein the driving member includes a movable actuator connected to the linking member; wherein the driving member is configured to drive the actuator in a rearward direction causing a corresponding rearward movement of the linking member, wherein movement of the linking member in the rearward direction pulls the supporting member and the vehicle seat in the rearward direction.

Abstract: A seat applicable to vehicles comprises a seatback unit and the chair base unit. The seatback unit comprises a first frame and a first net support portion. The first frame fixes and pushes open the first net support portion. The first net support portion has many thru holes. The chair base unit is combined with the seatback unit. The chair base unit comprises a second frame and a second net support portion. The second frame fixes and pushes open the second net support portion. The second net support portion has many thru holes. The seatback unit and the chair base unit are supported by the first and second net support portions, so the rider comfort ability and the chair ventilation ability significantly increases. The structure of seat is simple, so the weight of seat significantly decreases and light, making the vehicle consume less fuel.

Abstract: A seat structure for an operator that is set in a cab of a construction machine such as a wheel loader includes: a suspension equipment fixed to a floor frame; a plate-shaped attachment bracket attached on the suspension equipment; a seat and a work equipment console juxtaposed to each other on the attachment bracket. The seat is attached to the attachment bracket via slide rails in a manner slidable back and forth. The work equipment console is also attached to the attachment bracket via a slide rail in a manner slidable back and forth.

Abstract: The invention relates to a holding device (5) of a seat slide drive for a motor vehicle, wherein the holding device (60) is designed as a metallic block, wherein the holding device (60) is provided with a through-bore (61), in which one end of the spindle (5) is placed and is held there by material (60z) of the holding device (60) pressed into the spindle thread (5a) as spindle (5).

Abstract: A seat slider assembly is disclosed. The slider seat includes a seat mount and a first slider guide extending along at least a portion of the perimeter of the seat mount. A second slider guide extends from the surface of the seat mount at a position distally located from the perimeter of the seat mount. A slider plate to which a vehicle seat can be mounted includes a first channel for slidably engaging the first slider guide and a second channel for slidably engaging the second slider guide such that the slider plate is slidable between a first position and a second position relative to the seat mount. A locking lever is movably coupled to the slider plate and includes a locking structure to prevent the slider plate from moving relative to the seat mount. A control member operatively coupled to the locking lever to cause the locking lever to move toward an unlocked position wherein the locking structure allows the slider plate to move relative to the seat mount.

Abstract: A seat may be obtained with improved operability of plural adjustable units. A vehicle seat 10 is provided with: a seat lifter 22 provided to a seat body for sitting on, adjustable by transmitted operation force; a reclining mechanism 20 provided to the seat body, adjustable by transmitted operation force; and an operation lever 30, to which operation force from operation by a seat occupant is input; and a switching mechanism 50 that is able to selectively switch between a first state in which operation force of the operation lever 30 is able to be transmitted to the seat lifter 22, and a second state in which operation force of the operation lever 30 is able to be transmitted to the reclining mechanism 20.

Abstract: The invention provides a vehicle seat device including fewer restrictions with respect to seat function and which can be switched from a seating position to a storage position by motive power. In a vehicle seat (10), a vehicle width direction outer side end portion of a seat cushion (12) is supported so as to be capable of rotating around a drive shaft (30) having an axis along a vehicle front-rear direction, and the seat cushion can be switched between a seating configuration at which an occupant can be seated and a storage configuration at which the seat cushion (12) stands erect along a vehicle cabin inner side surface S, due to rotating around the drive shaft (30).

Abstract: A chair lift includes a jack movable between lowered and raised configurations and a motor in communication with the jack for moving the jack between the lowered and raised configurations. A switch is in communication with the motor to selectively actuate the motor. A mounting bracket is coupled to the jack to move vertically as the jack moves between the lowered and raised configurations, the mounting bracket having opposed first and second ends. First and second clamping mechanisms are configured for attachment to respective chair legs, the first and second clamping mechanisms being below the mounting bracket. A first flexible connecting link extends between and coupled to the mounting bracket first end and the first clamping mechanism. A second flexible connecting link extends between and coupled to the mounting bracket second end and the second clamping mechanism.

Abstract: In accord with the present invention, a vehicle seat suspension apparatus is provided comprising: a seat suspension base; an isolator plate disposes above the base and adapted to support a vehicle seat; means for allowing reciprocating horizontal movement of the isolator plate relative to the base; an elongated guide mounted to one of either the base or the isolator and oriented along the travel path of the isolator; and a guide engaging member mounted to the other of the base or the isolator and engaging the guide to stabilize the isolator as it moves along its travel path.

Abstract: A vehicle seat may include a longitudinal sliding mechanism having a longitudinal slide base that is arranged and constructed to move back and forth relative to a vehicle floor, and a covering device having a covering member and a wind-up roller that is capable of winding and unwinding the covering member. The covering member is arranged and constructed to cover a substantial portion of the longitudinal sliding mechanism when the longitudinal slide base is moved forwardly. The wind-up roller of the covering device is arranged so as to be positioned forward of a rear end periphery of the longitudinal slide base when the longitudinal slide base is in a farthest rearward position.

Abstract: A fitting (5) for a vehicle seat (1), in particular for a motor vehicle seat, includes an adjustment fitting (11) for adjusting the inclination of the backrest (2) of the vehicle seat (1) in relation to a seat part (3) of said vehicle seat. A free-pivoting unit (12) is provided for freely pivoting the backrest (2) centrally (2) from at least one operating position into a free-pivoting position, that can be released by means of a free-pivoting operational element (8). A fitting lower part (9) is provided that is to be connected to the seat part (3) and that supports the adjustment fitting (11) and a fitting upper part (14) is associated with the free-pivoting unit (12) that is to be connected to the backrest (2) and that is locked in the operating position. A fastening catch (64) is coupled in a pivotable manner to the fitting upper part (14); and which fastens the fitting upper part (14) in the free-pivoting position of the backrest (2).

Abstract: An arrangement lever device for an automobile seat including a reclining operation lever (1) mounted on a support shaft that is concentrically joined with an actuating shaft (5) interconnecting reclining lock mechanisms which are arranged between brackets (3) of a seat cushion and brackets (4) of a seat back, a walk-in operation lever (2) arranged to be adjacent to the reclining operation lever (1) and supported on one of the brackets (3) of the seat cushion, and a linkage mechanism for preventing the motion of one of the levers (1, 2) from being transmitted to the other of the levers (1, 2), the linkage mechanism coupled between the levers (1, 2).

Abstract: A motorized rocking chair includes a support frame, a seat pivotally mounted on the support frame, an actuating mechanism mounted between the support frame and the seat to drive the seat to move relative to the support frame, a backrest pivotally mounted on the seat, and a telescopic mechanism mounted between the seat and the backrest to drive the backrest to move relative to the seat. Thus, the actuating mechanism is controlled by an electrically control device to drive the seat to pivot relative to the support frame reciprocally in a pendulum manner so that the seat is pivoted relative to the support frame automatically. In addition, the telescopic mechanism is controlled by the electrically control device to adjust the inclined angle of the backrest so as to provide a comfortable sensation to the user.

Abstract: The invention relates to a circuit for controlling a number of DC motors (M1, M2) capable of being controlled independently of one another, comprising, for each motor (M1, M2), an H-bridge (1A, 1B) made up of a first branch (3) and of a second branch (5), which bridge is intended for the control of the associated motor. According to the invention, the said second branches (5) of the H-bridges (1A, 1B) are produced in the form of two switches (7, 9) forming a branch common to all the H-bridges and rated to accept a current equivalent to the sum of the drive currents so that the said motors (M1, M2) can be controlled simultaneously and independently by applying associated control signals to the first branches (3).

Abstract: A slide assembly includes a first member and a second member support for movement relative to the first member. The slide assembly also includes a sensor supported on one of the first member and the second member and a target supported on the other of the first member and the second member. The sensor generates a signal when the target is within a detection bounds. The slide assembly is characterized in that cooperating guides are supported relative to the sensor and the target and are engageable with one another to maintain a predetermined alignment between the sensor and the target.

Abstract: A foldable wheel chair or mobility base is disclosed that comprises a chair portion and a wheeled frame. The chair portion has a back hinged to a seat. The frame supports the chair portion, a spaced pair of front wheel caster assemblies and a spaced pair of rear wheels. A lower end of the back of the chair portion attaches to the frame via two spaced brackets which are slidably connected to upright curved rear support members such that they can be moved along the curved rear support members to permit adjustment of the chair tilt between predetermined stop positions along the curved rear support members without changing a seat to back angle. The chair portion is connected to the frame via front support members and diagonal struts connected to common pins fastened to each of the front wheel caster assemblies. The other end of each diagonal strut is hinged to one of the spaced brackets.

Abstract: A system for latching a seat to a guide track (102) is disclosed. The system generally includes a latch plate (122) being coupled to the seat, a first release member (124) coupled to the latch plate (122), and a second release member coupled to the latch plate. The first release member (124) is configured to releasably engage the guide track (102) and is selectively movable between a first position for fixedly coupling the seat to the guide track (102), a second position for movably coupling the seat to the guide track, and a third position for detachably coupling the seat to the guide track (102). A second release member (160) is configured to prevent the first release member (124) for moving to the third position unless the second release member has been selectively actuated.

Abstract: An apparatus for adjusting the position of a seat comprises a rack and a clock nut that grips the rack. The rack comprises a threaded rod, while the clock nut comprises a short cylindrical body that is drilled and threaded along its diameter with internal threads corresponding to the thread diameter and pitch of the rack. Circumferential reliefs are then formed in the threaded bore to enable the clock nut to be “clocked” from a position in which the threads of the clock nut engage the threads of the rack to a second position in which the threads of the clock nut disengage the threads of the rack. A pair of linkages are provided to rotate the clock nut between the engaged and disengaged positions and to transmit loads from the clock nut.

Abstract: A vehicle seat power track for an automobile vehicle seat which includes a sensor arrangement to detect the seat position along the track relative to a front airbag apparatus and generate a signal to control the apparatus of the airbag. The vehicle seat power track also includes brackets configured to reduce horizontal movement of the track components.

Abstract: A vehicle seat assembly that elevates and rotates to enhance passenger seat access is disclosed. The vehicle seat assembly includes a seat and a plurality of links pivotally coupled to a lower surface of the seat at one end of each of the links and pivotally mounted with respect to a vehicle floor at the opposite end of each of the links. A motor may be used to drive at least one link to actuate the seat.

Abstract: Apparatus and methods to integrally form lever operated cables with vehicle seats are described. An example apparatus includes a channel integrally formed in a portion of a vehicle seat and a seat position control integrally coupled to the vehicle seat. A cable assembly slidably movable within the channel and has a first end operatively coupled to a seat position adjustment mechanism and a second end operatively coupled to the seat position control.

Abstract: A seat is provided having an erroneous operation preventing device in which a braking member secured to a strap is locked to regulate a folding operation in a stowing operation that includes an opening portion for guiding the strap to the seat back rear face side, a rotating member that is brought into contact with the strap, a pair of first brackets and upstanding separately on both sides of the opening portion and supporting the both end portion sides of the rotating member from above, a pair of connecting members and supporting both end portion sides of the rotating members from below while being urged toward the first brackets and side, and a movable member rotatably supported by the second bracket secured to the seat back side and connected to the connecting member. The movable member includes locking portions that lock the braking member and protrudes in a rotating direction.

Abstract: A seat assembly that is releasably secured to a floor, wherein the seat assembly is released from the floor by simply lifting the handle is provided. The seat assembly includes a latch assembly which releasably engages a platform such as a vehicle floor. The handle is configured to bear the load of the seat, and is also operable to actuate the latch so as to release the seat from the floor by simply lifting the seat by the handle. Thus only one motion is used to remove the seat from the floor. Further the operation of releasing the seat from the floor is inherent as it requires the user to merely lift the seat by the handle.

Abstract: A vehicle seat slide device includes a lower rail, an upper rail, retainers arranged between both rails, and a plurality of rolling members rollably carried by the retainer and rolled in contact with the both rails. Each retainer is composed of a retainer body and protrusions protruding from the retainer body. These protrusions and the retainer body are bodily formed with a resin material. By providing the retainer with the protrusions, it results that the protrusions necessarily contact the both rails whenever the retainer and the both rails contact each other, so that a strange sound is deterred from being generated when the upper rail is slidden relative to the lower rail with the retainer being in contact with one or both of the rails.

Abstract: A method of laser welding of two members by their respective edges, on a first surface of a slideway section, wherein at least a first one of said members is welded by application of two parallel laser beams from a second surface of the slideway section, with a distance between the beams approximately corresponding to the thickness of the first member, to obtain a laser transmission welding in a single run.

Abstract: A vehicle seat is movable between a first position to a second position and includes a seat back, seat cushion for coupling to a track adjuster for use in a vehicle. The vehicle seat includes a recliner mechanism coupled to the seat back and the seat cushion. The vehicle seat further includes a stow mechanism coupled to the recliner mechanism and an easy entry mechanism coupled to the recliner mechanism and stow mechanism, wherein, when the stow mechanism is actuated, the easy entry mechanism is not actuated and when the easy entry mechanism is actuated, the stow mechanism is not actuated.

Abstract: A vehicular seat can include a pair of right and left slide devices, right and left lock mechanisms, and a synchronous releasing mechanism releasing the right and left lock mechanisms in synchronism with each other. The synchronous releasing mechanism can include a rod whose both end portions are rotatably mounted between upper portions of right and left side frames of a seat cushion, right and left levers mounted to portions of the rod near both end portions thereof so as to be incapable of rotating with respect to the rod, and right and left connection members connecting the right and left levers and the right and left lock mechanisms to each other. Clearance portions can be included between the right and left levers and the right and left connection members, to prevent the connection members from moving so as to release the lock mechanisms in synch with the levers when the side frames are downwardly crushed, and the rod and the levers move downwards.

Abstract: A rotating seating assembly for use in marine vessels. The seat assembly includes a car and track assembly with moveable sections. The sections can move about curvilinear paths which are defined by the curved track segments. A unique bearing/track linkage mechanism, interlocking the component parts, is incorporated into the novel design. In one configuration, the seating sections rotate about a circle track, a full 360 degrees. Bearing assemblies and rolling mechanisms provide smooth, quiet and efficient operation of the system.

Abstract: A vehicle seat arrangement includes a rail and a seat body slidably mounted on the rail having a seat component and a backrest pivotally connected to the seat component. The backrest pivots between a generally upright position and a forward tilted entry position. The seat body moves between a sitting position and an entry position. A blocking member obstructs the seat body from moving rearward of the sitting position. A locking mechanism moves between a locked position that restrains the seat back in the forward tilted entry position and a release position that releases the seat back to return to the generally upright position. The backrest acts as a lever such that a force applied to the backrest in a direction toward the sitting position is transferred through the backrest to the locking mechanism moving the locking mechanism from the locked position to the released position.

Abstract: A system for latching a seat to a guide track (102) is disclosed. The system generally includes a latch plate (122) being coupled to the seat, a first release member (124) coupled to the latch plate (122), and a second release member coupled to the latch plate. The first release member (124) is configured to releasably engage the guide track (102) and is selectively movable between a first position for fixedly coupling the seat to the guide track (102), a second position for movably coupling the seat to the guide track, and a third position for detachably coupling the seat to the guide track (102). A second release member (160) is configured to prevent the first release member (124) for moving to the third position unless the second release member has been selectively actuated.

Abstract: The present invention generally relates to an adjustable seat for a motor vehicle and related methods. Some embodiments relate to a seat having a thigh support insert that can be adjusted relative to a laterally-disposed bolster cushion of the seat to accommodate a variety of occupants having different heights. Some embodiments relate to methods for making a vehicle seat having an adjustable thigh support.

Abstract: An item of seating furniture includes a carrying frame having a carrying element; a seat frame having a seat surface; and a backrest, wherein the carrying element extends into a region of the backrest; a sliding guide, wherein the seat frame is displaceable in the sliding guide relative to the carrying frame between a front working position and a rear resting position. The item also includes a pelvic support disposed in a rear region of the seat surface and inclined in the front working position in relation to a plane of the seat surface; a frame configured to carry the pelvic support and pivotably movable relative and kinematically coupled to the seat frame; a thrust bearing configured to support the frame in a displaceable and pivotably movable manner; and a joint connecting the frame to the seat frame at a trailing end portion of the seat frame.

Abstract: A vehicle seat assembly includes a seat, a pedestal, a swivel mechanism connected to the pedestal for permitting the seat to rotate about a vertical axis and a latch located external to the swivel mechanism for preventing rotation of the seat. The seat assembly may further include a bracket for mounting the seat to the swivel mechanism in any one of a plurality of positions. Another vehicle seat assembly includes a track, a seat having a seating portion and a seat back, a base connected to the seat and engaging the track so as to permit longitudinal movement of the seat along the track and a locking mechanism for retaining the seat in a desired position along the track. The locking mechanism includes a vertically extending pin located beneath the center of the seating portion of the seat.

Abstract: In the specification and drawings a chair is described and shown with a resiliently flexible frame having a front seat support; a seat slidably engaged to the front seat support; and a back rotatably engaged to the frame, the back being rotatably engaged to the seat.

Abstract: A seat for use in a vehicle having a seat back pivotably coupled to a seat base by a recliner mechanism such that the seat back can be pivoted in a forward and rearward direction relative the seat base. The seat also includes a track assembly coupled to the vehicle and the seat, such that the seat can be moved in the forward and rearward directions relative to the vehicle interior. The seat also includes an actuator mechanism having a first actuator, a second actuator, and an energy storage device for storing energy generated from movement of the seat and selectively releasing the stored energy to assist in repositioning the seat when at least one of the first actuator and second actuator is actuated. Actuating the first actuator causes the seat to move from a first position to a second position, and actuating the second actuator causes the seat to move from a first position to a third position.

Abstract: A seating apparatus is described for arrangement in a driver's cabin of a construction vehicle, especially a soil compacting machine, comprising a treading surface and an operating desk. The seating apparatus comprises a driver's seat and an adjusting device, and the adjusting device comprises two guide rails and a seat carrier. The seat carrier is held on the guide rails and is adjustable transversally to the traveling direction of the construction vehicle. The guide rails are arranged next to the treading surface used by the driver in such a way that the seat carrier can be displaced relative to the treading surface in a freely floating manner over the same.

Abstract: A seat track includes a stationary rail and a movable rail. The stationary rail has a plurality of windows formed therein and a plurality of tabs formed adjacent to the windows. The moveable rail engages the stationary rail for relative movement in a first direction and for restricted movement in a second direction that is different from the first direction. The moveable rail has a J-hook that cooperates with the plurality of tabs of the stationary rail to restrict relative movement therebetween in the second direction.

Abstract: A seat slide apparatus for a vehicle includes a lower rail, formed into a longitudinal shape and adapted to be fixed to a vehicle floor, an upper rail adapted to be fixed to a seat frame, and assembled to the lower rail to be relatively movable in a longitudinal direction of the lower rail, and a detachment prevention mechanism including an elongated hole, which is formed at the bottom wall portion to open therethrough and which extends in the longitudinal direction, and a load receiving member whose upper end portion is fixed to the upper wall portion and whose lower end portion is inserted downwardly through the elongated hole so as to be movable in an extending direction of the elongated hole, and is engageable with the bottom wall portion in the vicinity of the elongated hole to restrict a movement of the upper rail in an upper direction.

Abstract: A feeding apparatus includes a screw shaft, a feeding nut, a supporting member, a driving unit, an intermediate member supported by the screw shaft and arranged to be rotatable relative to the supporting member, and an elastic biasing mechanism. The intermediate member includes a radial sliding contact surface slidably contacting a radial bearing surface of the supporting member, first and second thrust sliding contact surfaces contacting first and second thrust bearing surfaces formed at the supporting member, respectively. The elastic biasing mechanism elastically biases the first and second thrust sliding contact surfaces of the intermediate member to contact the first and second thrust bearing surfaces, respectively, and further elastically biases the intermediate member to a thrust receiving member provided at the screw shaft for assembling the intermediate member and the thrust receiving member onto the screw shaft without a clearance between the intermediate member and the thrust receiving member.

Abstract: A seat sliding apparatus for a vehicle includes a lower rail including a base bottom portion, first inner and outer side portions, upper portions, and second inner and outer side portions, an upper rail movably supported relative to the lower rail and including a base top portion, first inner and outer extending portions, connecting portions, and second inner and outer extending portions, a lock mechanism including a lock portion provided at the first inner side portion, a bracket, and a lock member engageable with and disengageable from the lock portion, a cutout portion formed across the base top portion and the first inner extending portion and into which the lock member is inserted, and through-holes provided at the second inner extending portion and the bracket, respectively, the through-holes into which the lock member is inserted while the lock member is engaging with the lock portion.

Abstract: Disclosed is a vehicle seat device operating as follows. A retracting instruction is given by a seat switch to start operation of a seat back actuator. Lock of the seat back and a seat cushion is released to rotate the seat back to the position where it is overlapped with the seat cushion. A floor actuator is driven to release engagement between the floor panel and the floor lock. A lift up motor is operated to lift up the vehicle seat device toward the vehicle body. After this, a dragger lock motor is operated to lock a striker on the seat back rear surface and the dragger unit, thereby completing the retraction operation.

Abstract: A motor vehicle seat is provided with an adjusting device that includes, but is not limited to a longitudinal sliding device for sliding the motor vehicle seat in a longitudinal direction and a transverse sliding device for sliding the motor vehicle seat in transverse direction. The transverse sliding device includes, but is not limited to at least one swiveling lever which on the one hand is arranged on the longitudinal sliding device and on the other hand indirectly or directly on the motor vehicle seat. The swiveling lever can be swiveled from a first swiveling position, in which the motor vehicle seat is arranged in a transverse position, into a second swiveling position in which the motor vehicle seat relative to the first transverse position is arranged in transverse direction offset in a second transverse position.

Abstract: A patient supporting chair comprising a seat assembly for supporting the seated patient mounted to a displaceable frame, the seat assembly being removably and rotationally engaged to the frame by two laterally spaced apart side swivel members. The swivel members pivotally engage opposed sides of a front end of the seat portion to corresponding mounting points on the frame such that the seat assembly is selectively pivotable relative to the frame about a substantially vertical pivot axis located at each of the two side swivel members. Each swivel member includes a locking mechanism displaceable between a locked position and an open position. The seat assembly is pivotable about the pivot axis of one of the two swivel members when the locking mechanism of this one of the two swivel members is disposed in the locked position and the other of the two swivel members is disposed in the open position.

Abstract: An adjustable seat suspension for a vehicle seat that includes a linkage arrangement disposed between a seat frame and seat base whose collapse is opposed by a spring lever arm linkage arrangement supported on a fluid powered spring actuator carried by the base that has a plurality of pivotable spring lever arms that are each coupled to a portion of the frame. In a preferred embodiment, the fluid powered spring actuator is an air spring whose pressure is adjustable and which is powered by an air compressor to tailor suspension characteristics and provide a desired preload. The base includes an upright to which the spring lever arm linkage arrangement is pivotally mounted with its spring lever arms supported by a saddle carried by the air spring at a location disposed between the upright and where the spring lever arms couple with the seat suspension.

Abstract: A catch device of a lengthwise adjustment mechanism of a motor vehicle seat comprises a first pair of rails and a second pair of rails, each having a bottom rail and a seat rail. A first detent ledge is associated with the bottom rail and comprises first detent openings and first detent webs. A first stopper unit is disposed in proximity to the first detent ledge and cooperates therewith, comprises two stopper teeth for engaging the first detent openings independently of one another and for disengaging therefrom together and is associated with the seat rail of the first pair of rails. A second detent ledge is associated with the bottom rail of the second pair of rails and comprises second detent openings and second detent webs. A second stopper unit is disposed in proximity to the second detent ledge and cooperates therewith, comprises a stopper means for engaging and disengaging the second detent openings and is associated with the seat rail of the second pair of rails.