Abstract: Methods and systems are described for authenticating calls. An example method may comprise receiving a message indicative of a call request. Header data associated with the message may be analyzed to determine an attestation value. A signature may be generated based on the attestation value. A signed message comprising the signature and at least a portion of the message may be sent.

Abstract: An adjusting device for a vehicle seat is provided, the adjusting device may include, comprising: a first element; a second element having guide slots; and guide bolts, each of which being fixedly connected with the first element, slidably engaging one of the guide slots such that the second element is adjustable relative to the first element, and securing the second element to the first element; wherein the guide slots are engaged by the guide bolts and at least one other component.

Abstract: A device for triggering a gas spring comprises an actuating device and an actuating element connected to the actuating device and acts on an end-side trigger of the gas spring. The actuating element acts on the trigger and is designed as a lever arrangement which reduces or multiplies the force and/or distance and which comprises an actuating lever connected to the actuating device. The device also comprises one trigger lever, which interacts with the actuating lever and acts on the trigger, and a housing. The housing has a gas spring connection unit. The upper end region of the gas spring can be connected to the trigger, which is guided into the interior of the housing. The gas spring connection unit has a continuous opening with an inner thread. In a clearance, there are devices that clamp and/or form-fittingly fix the upper end region of the gas spring in the housing.

Abstract: A method for assembling a vehicle seat subassembly includes positioning a first bracket and a second bracket in a base fixture. With the first and second brackets in the base fixture, first and second pins are welded within respective apertures in the first bracket, an alignment plate is positioned in a location on the second bracket using a secondary fixture engaging with the first and second pins, and the alignment plate is welded to the second bracket.

Abstract: A hinge mechanism for a vehicle seat includes an actuating lever, a disengaging lever, a main rotary axis, a deflection lever and a deflection rod. It also includes a separate first operating element for folding a backrest over in the direction of a seat part in the case of a fixed seat part, and a separate second operating element for folding over the backrest in the case of a simultaneous or subsequent pivot movement of the seat part. A method is provided for operation of a vehicle seat with a hinge mechanism.

Abstract: A passenger support includes a vehicle seat and an easy-entry motion controller. The vehicle seat is moveable between a passenger-use configuration and an easy-entry configuration. The easy-entry motion controller controls movement of the vehicle seat between the passenger-use configuration and the easy-entry configuration, including movement of a seat back between an occupant-use position and a tilted-forward position, movement of a seat bottom between an occupant-use position and a folded-up position, and movement of a seat base between a rearward position and a forward position. The passenger support thus provides enhanced access to other areas of the vehicle, such as passenger supports located therebehind.

Abstract: A lift chair includes a frame assembly including a chair portion rotatable with respect to a base portion. A lift mechanism portion is positioned in a base portion cavity. The lift mechanism portion includes a lift motor and a drive assembly connected to the lift motor having a slide. A lift tube connects the slide to the chair portion. The lift tube upon actuation of the lift motor displaces the chair portion between a nominal and a full lift position by slide displacement in a slide lifting direction. First and second guide members are positioned on opposite sides of the drive assembly and connected to a base portion base platform. The lift tube is connected to both the first and second guide members to distribute a weight load from the chair portion via the lift tube to the slide, and by the guide members to the base platform.

Abstract: The present disclosure relates to a wheelchair (1) with tilt capabilities. The electric wheelchair comprises a chassis (3), a lift device having a base member which is fixedly arranged to the chassis, and a lifting member arranged to move rectilinearly relative to the base member along an axis defined by a longitudinal extension of the lifting member, a tilt frame, a first arm pivotally coupled to the lifting member and the tilt frame, and a second arm coupled to the base member, and which second arm is pivotally coupled to the first arm forming a pivot connection, wherein movement of the lifting member towards the extended position moves the pivot connection towards the base member and movement of the lifting member towards the retracted position moves the pivot connection away from the base member.

Abstract: A dual front linkage system for a adjusting a vehicle seat includes a seat sub-frame member, a first linkage member, a second linkage member, and a base member. The first end of the seat sub-frame member is coupled to the second end of the first linkage member and the second end of the seat sub-frame member is coupled to the seat base, the first end of the first linkage member is coupled to the first end of the second linkage member, the second end of the second linkage member is coupled to the first end of the base member, and the second end of the base member is coupled to the vehicle. The linkage system enables the seat base and seat back to be folded forward and downward into a stowed position and allows the seat to be tumbled forward to enhance vehicle ingress and egress.

Abstract: A chair includes a base that has a generally U-shaped member. The generally U-shaped member is comprised of a front member attached to a first end portion and a second end portion. A seat is supported on the base and is moveable from an upright position to a reclined position. A first resilient member is attached to the first end portion of the generally U-shaped member. A second resilient is attached to the second end portion of the generally U-shaped member. End portions of the first and second resilient members are attached to the seat adjacent to a rear portion of the seat. The first and second resilient members are sized and configured to resiliently move or flex such that the seat is positioned at the reclined position when a user sits on the seat.

Abstract: The present invention relates to a seat adjusting mechanism for vehicle comprising a seat cushion frame which has at a lower part thereof a latch assembly being locked or unlocked to a locking pin of a vehicle part, a connecting plate which is fixedly coupled to an end part of the seat cushion frame and a seatback frame which is rotatably coupled to an end part of the connecting plate through a recliner, further comprising a driving link which is rotatably coupled to the connecting plate and is rotated in connection with the seatback frame when the seatback frame is rotated; a pre-latch link which is rotatably coupled to the connecting plate apart from the driving link and which, when the driving link is rotated over a predetermined angle, is rotated together to a predetermined extent in contact with the driving link; and a latch link which is rotatably coupled to the connecting plate with the same rotating axis as the pre-latch link and has an end part coupled to a cable end part for an operation of unlockin

Abstract: A stowable vehicle seat with improved operability is configured so that a stowing and restoring operation can be performed by rotating seat support parts and provided on the rear end part of a seat cushion in the front and rear direction around the rotating center. The seat support part is provided with a rotating shaft provided on the seat cushion side, a rotating shaft bracket pivotally supporting the rotating shaft on the vehicle body floor side, and spiral springs one end part side of which is always locked to the rotating shaft side and which urges in the restoration rotating direction. The other end part side of the spiral springs is locked to the vehicle body floor side at different predetermined angles of the seat cushion.

Abstract: A vehicle seat rear floor latch and positioner assembly (22) for a vehicle seat (10) movable between a seating position, a generally horizontal nonuse position, and a generally vertical storage position as well as being removable from the vehicle to increase cargo capacity.

Abstract: An electrically-operated seating apparatus for use on a boat which assists a user in standing up or sitting down is intended for use by elderly and/or disabled users, particularly in low-riding boats such as bass-boats, ski-boats and the like. The apparatus comprises a chair assembly mounted to the boat deck and a drive assembly which raises the seat up and down and tilts seat portion forward with the aid of electrical drive motors. In such a manner, the user can be assisted when getting into or out of the chair. Each side of the seat portion is provided with a small armrest to help secure the individual as well as aid in the lifting and lowering process. The electric motors would be powered from the boat battery and controlled through a set of arm-mounted switches.

Abstract: A child chair includes a seat, a frame, a reclining adjusting device, a locking device, and a bouncing device. The seat pivoted with the frame. The reclining adjusting device mounted on the seat capable of moving between a locking status and a release status, the seat movable relative to the frame when the reclining adjusting device is in the release status. The locking device mounted on the seat for retaining the reclining adjusting device in the release status. The bouncing device mounted between the seat and the frame for bouncing the seat along a direction relative to the frame when the reclining adjusting device is retained in the release status by the locking device.

Abstract: A highchair includes a seat frame, a first fixing socket disposed on the seat frame, and a seat pivotally connected to the first fixing socket. The first fixing socket has a sliding groove and a first engaging groove. The sliding groove communicates with the first engaging groove. The highchair includes a pivoting member, a restraining member, a connecting member, an adjusting member and a fixing member. The adjusting member is movably disposed on the seat. The fixing member is rotatably disposed on the seat and capable of selectively locking or releasing the adjusting member. The pivoting member is pivotally connected to one side of the seat. One end of the connecting member is connected to the pivoting member and the other end is connected to the adjusting member. The restraining member is disposed at one end of the pivoting member and movably engaged with the first engaging groove.

Abstract: A seat adjuster for an article of sports equipment includes a base, a locating frame pivotally connected with the base for connection of a seat, a first locating plate mounted with the base, and a second locating plate pivotally connected with the locating frame so as to be pivotable between a first position where a second teeth portion of the second locating plate is engaged with a first teeth portion of the first locating plate such that the locating frame can't be pivotable relative to the base for fixing the seat in position, and a second position where the second teeth portion of the second locating plate is disengaged from the first teeth portion of the first locating plate such that the locating frame can be pivotable relative to the base for allowing the angle of inclination of the seat to be adjustable.

Abstract: A stowable seat 10 for a motor vehicle 1, and in particular for a van, having a moveable bulkhead 9 is disclosed in which a backrest 11 of the seat 10 is stowed vertically above a base 12 of the seat 10 and a support mechanism 20 for the seat 10 is arranged so that no member of the support mechanism 20 is located to the rear of a vertical plane “V” aligned with a rearmost part of the stowed seat 10. This arrangement allows the moveable bulkhead 9 to be moved up to the rearmost edge of the stowed seat 10 thereby maximizing the carrying capacity of the motor vehicle 1 when the seat 10 is stowed. The support mechanisms 20 allow the seat 10 to be moved between its stowed and ‘in-use’ positions simply by moving the backrest 11.

Abstract: A removable vehicle seat includes a base, a removable seat main body, and a first attachment mechanism and a second attachment mechanism configured to removably attach the removable seat main body to the base. The first attachment mechanism includes a pin provided to the removable seat main body; and an attachment member provided to the base, and provided with a groove to which the pin is inserted. A disengagement prevention structure is provided between the pin and the attachment member, the disengagement prevention structure being configured to prevent the pin from disengaging from the groove. The second attachment mechanism includes a striker provided to the removable seat main body; and a lock device provided to the base and configured to releasably engage with the striker.

Abstract: An airplane passenger seat may include a non-articulated seat shell configured to recline as a unit. In embodiments, an airplane passenger seat may include a tray table including a literature pocket.

Abstract: A vehicle seat is movable in a rocking or rotating fashion about a center-of-rotation located above a seat bottom. The seat bottom has forward and rear edges and a mounting structure for securing the seat bottom to a vehicle interior engaging the seat bottom to permit movement of the forward edge along a first arcuate path and movement of the rear edge along a second arcuate path. The two arcuate paths having a common center-of-curvature located above the seat bottom, the center-of-curvature defining the center-of-rotation of the seat. A seat back attached to the seat bottom is independently adjustable in recline angle relative to the seat bottom. The arcuate paths may be defined by forward and rear guide tracks formed in one or more seat mounting brackets. A rack-and-pinion drive mechanism is provided to allow manual or powered adjustment of the seat along the guide tracks.

Abstract: A high chair, comprising a supporting structure, which is provided with a supporting element associated to one post arranged along a first longitudinal direction substantially starting from an end portion of the supporting element to define at least three resting regions, the one post supporting a respective coupling element which supports a seat which forms a sitting surface, elements being provided for blocking the coupling elements with respect to the respective post in order to adjust the distance between the seat and the supporting element; the supporting element being articulated so that it can rotate, substantially at the end portion, to the post in order to pass from an extended condition, in which the supporting element is angularly spaced with respect to the respective post to a folded condition in which the supporting element is angularly closer to the respective post.

Abstract: An energy storage mechanism for folding seats for vehicles and the like includes an energy-storing component such as a spring that assists in moving the seat or other component. The mechanism provides for relatively small user input forces and distances, yet provides a relatively large force acting over a relatively large distance as an output of the mechanism. The mechanism may be configured to provide for a single user input/release, without requiring powered actuators or the like.

Abstract: An assembly for supporting a user in multiple positions relative to a surface, the assembly including a frame positioned on the surface, a support being movably coupled to the frame, a first connector extending from beneath the support and being movable with the support as the support moves relative to the frame, and a second connector positioned beneath the support. The first connector is movable relative to the second connector as the support moves relative to the frame, and the first connector is selectively secured to the second connector in different positions, each of the different positions corresponding to a different position of the support relative to the frame.

Abstract: A convertible bench seat/platform that is pivotally connected to the deck of a pontoon boat and is movable between an inboard position adjacent to the boat side rail for use as a bench seat and an outboard position for use as a platform for fishing, sitting, diving and swimming or for search and rescue operations.

Abstract: A vehicle seat assembly includes a seat base having a forward portion and a rearward portion, wherein the rearward portion is tiltable about the forward portion. A seatback is connected to the rearward portion of the seat base. The seat back tilts with the rearward portion when the rearward portion is tilted relative to the forward portion to provide ingress/egress access behind the seat back and the seat base.

Abstract: An apparatus for locking a double-folding seat for vehicles includes a latch plate, a guide unit, a release lever unit and a locking pin. The latch plate has a locking notch therein and is fastened to a seat frame. The guide unit is fitted over a folding shaft of the seat frame at a position spaced apart from the latch plate. The release lever unit is provided on the folding shaft so as to be rotatable. The locking pin is elastically connected to the release lever unit such that the locking pin is locked to the locking notch of the latch plate when the seat frame is folded. Furthermore, when the release lever unit is rotated, the release lever unit pushes the locking pin, so that the locking of the locking pin to the locking notch of the latch plate is released.

Abstract: A fold and tumble mechanism may be used with a vehicle seat having a seat bottom, a seat back that is pivotable with respect to the seat bottom, and a latch associated the seat bottom for coupling the seat to a vehicle body. The fold and tumble mechanism may include a recliner mechanism adapted to pivotally mount the seat back to the seat bottom, a recliner release lever, and a fold and tumble release lever. The recliner release lever is associated with the recliner mechanism and is movable to selectively release the recliner mechanism to allow the seat back to pivot. The fold and tumble release lever includes a cam that is engageable with the recliner release lever. Furthermore, the fold and tumble release lever is operable to move the recliner release lever to release the recliner mechanism, and is further operable to unlatch the latch.

Abstract: A double folding seat for a vehicle may include a stationary bracket, coupled to the seatback frame and to the cushion frame, wherein the recliner bracket is coupled to the one end of the stationary bracket, a link unit elastically installed on the stationary bracket and configured to be selectively coupled to the recliner bracket and transmit a rotating force of the recliner bracket to a latch cam installed to the cushion frame, a stopper fixedly installed on the leg assembly which is connected to a vehicle body, a hinge member rotatably mounted on the cushion frame and rotated by the stopper, and an actuating wire connecting the hinge member and the link unit and displacing the link unit by a rotation force of the hinge member to a position where the link unit cooperates with the recliner bracket when the cushion frame moves backwards to the final position thereof.

Abstract: A health care chair includes a base and a seating portion attached to the base. A lift assist mechanism connects the base and seating portion and assists in moving the seating portion from a first reclined position to a second inclined position without electrical power. The chair also includes moveable arms attached to the seating portion that rotate between a first substantially horizontal position and a second substantially vertical position.

Abstract: An energy storage mechanism for folding seats for vehicles and the like includes an energy-storing component such as a spring that assists in moving the seat or other component. The mechanism provides for relatively small user input forces and distances, yet provides a relatively large force acting over a relatively large distance as an output of the mechanism. The mechanism may be configured to provide for a single user input/release, without requiring powered actuators or the like.

Abstract: A double folding seat for a vehicle may include a stationary bracket, coupled to the seatback frame and to the cushion frame, wherein the recliner bracket is coupled to the one end of the stationary bracket, a link unit elastically installed on the stationary bracket and configured to be selectively coupled to the recliner bracket and transmit a rotating force of the recliner bracket to a latch cam installed to the cushion frame, a stopper fixedly installed on the leg assembly which is connected to a vehicle body, a hinge member rotatably mounted on the cushion frame and rotated by the stopper, and an actuating wire connecting the hinge member and the link unit and displacing the link unit by a rotation force of the hinge member to a position where the link unit cooperates with the recliner bracket when the cushion frame moves backwards to the final position thereof.

Abstract: The seat surface of a chair of a chair lift can be pivoted with the aid of a pivot mechanism. Thus, the seat surface can, while a passenger is sitting thereon, be pivoted in such a way that it extends so as to descend, or descend more markedly, toward the rear edge of the seat part. Passengers enter automatically, and independently of their size and sitting position on the chair, into a stronger, stable back position, thereby reliably counteracting slipping in the direction of the front edge of the seat part and thus slipping-through between the seat surface and transverse hoop.

Abstract: A slide/flip-up type automobile-seat is disclosed. The seat is provided with lock-release restricting mechanisms provided at lower rail members of a slide rail mechanism for keeping slide lock levers in unlockable states with respect to the lower rail members during flipping-up movement of an entire seat or in a state where the entire seat has been flipped up, and for keeping striker locks in states of being unallowable to be unlocked when the lock levers are in states of incompletely locked with respect to the lower rail members. Each of the lock-release mechanisms includes a restricting arm which includes an arm body, a rising-up piece rising up from one end portion of the arm body and having a height reaching a position under a rear end portion of corresponding one of the lock levers, and a retaining piece which is provided at a side edge of the arm body and to which a corresponding one of extension rods extending from the striker locks is connected.

Abstract: An energy storage mechanism for folding seats for vehicles and the like includes an energy-storing component such as a spring that assists in moving the seat or other component. The mechanism provides for relatively small user input forces and distances, yet provides a relatively large force acting over a relatively large distance as an output of the mechanism. The mechanism may be configured to provide for a single user input/release, without requiring powered actuators or the like.

Abstract: This invention is related to a sleep over recliner chair having a footrest mechanism and a recliner mechanism that operate independently of one another. The sleep over recliner chair includes a footrest, a seat, back, and a pair of spaced apart armrests. Further, the sleep over recliner chair includes a base, a reverse tilt mechanism coupled with the base, and a linkage mechanism coupled with the reverse tilt mechanism. The linkage mechanism includes a recliner mechanism and a footrest mechanism. The footrest mechanism is adapted to move between a first, closed position and a second, open position. The recliner mechanism is adapted to move between a first, upright position and a second, fully reclined position. Further, the footrest and recliner mechanisms operate independently of one another.

Abstract: A folding seat for a vehicle includes a seat base fixed to an intermediate bracket, a seat back having a lower end and a support bracket fixed to the vehicle. An intermediate bracket has a first hinge point where the seat back lower end is hingedly attached to the intermediate bracket. The intermediate bracket has a second hinge point where the intermediate bracket is hingedly attached to the support bracket, and which is spatially removed from the first hinge point. Upon folding of the seat base into a vertical position, the intermediate bracket rotates on the second hinge point, which remains stationary and the first hinge point rotates upwardly and rearwardly around the second hinge point, so that the first hinge point and the lower seat back move rearwardly as the seat back and the seat base are folded into vertical orientation close to the rear vehicle wall.

Abstract: An apparatus for locking a double-folding seat for vehicles includes a latch plate, a guide unit, a release lever unit and a locking pin. The latch plate has a locking notch therein and is fastened to a seat frame. The guide unit is fitted over a folding shaft of the seat frame at a position spaced apart from the latch plate. The release lever unit is provided on the folding shaft so as to be rotatable. The locking pin is elastically connected to the release lever unit such that the locking pin is locked to the locking notch of the latch plate when the seat frame is folded. Furthermore, when the release lever unit is rotated, the release lever unit pushes the locking pin, so that the locking of the locking pin to the locking notch of the latch plate is released.

Abstract: A chair device which can consist of a multiple part secondary seat mechanism which can be incorporated into an elevator chair which can also have an anti-tipping design feature, and related method.

Abstract: This invention is related to a sleep over recliner chair having a footrest mechanism and a recliner mechanism that operate independently of one another. The sleep over recliner chair includes a footrest, a seat, back, and a pair of spaced apart armrests. Further, the sleep over recliner chair includes a base, a reverse tilt mechanism coupled with the base, and a linkage mechanism coupled with the reverse tilt mechanism. The linkage mechanism includes a recliner mechanism and a footrest mechanism. The footrest mechanism is adapted to move between a first, closed position and a second, open position. The recliner mechanism is adapted to move between a first, upright position and a second, fully reclined position. Further, the footrest and recliner mechanisms operate independently of one another.

Abstract: A highchair with a foot part and a seat element mounted thereon has a length-adjustable gas-filled strut therebetween for support and height adjustment of the seat element. The gas-filled strut may be length adjustable with two-handed safety operation. The seat element is held on two lateral support arms, on each of which an actuating element of the two-handed safety operation is arranged. Each actuating element is connected via a wire or rope pull to a pressure element acting on an actuating projection of the gas-filled strut. The seat element is pivotable and fixable about a horizontal transverse axis forwards and backwards in a tilting position. An inclination catch is provided on at least one support arm and has a rotary locking element acting between a spindle of the seat element and a support arm, which is transferable into a locking or release position by means of an actuation cam.

Abstract: The invention describes a chair comprising a base structure, a seat having a seat surface and a backrest, a seat carrier for carrying the seat on the base structure, and a tilt mechanism which is arranged between the seat carrier and the base structure and which to improve the ergonomic properties of the chair is of such an arrangement and configuration that it permits inclination of the seat surface of the seat with respect to the horizontal both in a forward/rearward direction of the seat surface and also in a right/left direction of the seat surface. The tilt mechanism includes a pressure plate with a first conicity in the forward/rearward direction of the seat surface, by way of which the seat can be inclined in the forward/rearward direction, and a second conicity in the right/left direction of the seat surface, by way of which the seat can be inclined in the right/left direction.

Abstract: Chair comprising, a fixed base structure comprising two front legs and two rear legs mutually connected by a cross member, in which the front legs and the rear legs are mutually offset in such a way that the front legs of a first chair can be inserted between the rear legs of a second chair identical to the first, and a seat-backrest assembly borne by the support structure and rotatable around said cross member between a position of use and a position of stowage, in which in the position of stowage the seat-backrest assembly is rotated forwards relative to the position of use.

Abstract: A vehicle seat assembly including a lower seat cushion supported by the vehicle and a seat back supported for movement between an upright position and a stowed position. The seat assembly also has a headrest supported for movement relative to the seat back. A locking mechanism engages the headrest to retain the headrest in a raised position when the seat back is in the upright position. The locking mechanism also disengages the headrest for allowing movement of the headrest away from the raised position when the seat back is moved toward the stowed position. The seat assembly also has a biasing mechanism that biases the headrest toward the raised position.

Abstract: A buttocks seat is supported by a post tiltably affixed at a lower end to an upper face of a base. The post is also axially rotatable relative to the base, and threadably engaged with an underside of the seat for supporting the seat on the post, the seat squarely facing upright when the post is vertical. A hand wheel is affixed to the post for rotating the post relative to the seat and the base for selectively raising or lowering the seat relative to the base. A resilient bias urges the post to be vertical unless a seated user flexes his or her lumbar with sufficient force to overcome the bias. Preferably the post is tiltable over a conical range and the bias comprises a resiliently compressible, cylindrical ring coaxial with the post, and extending between and abutting the base and the underside of the seat.

Abstract: A mounting structure for a double-folding seat for vehicles in which a seat cushion and a seat back can be double-folded, comprises a cushion hinge bracket, a cushion hinge wire, and a vehicle body hinge bracket. The cushion hinge bracket is connected to a lower portion of the seat cushion. The cushion hinge wire is rotatably connected to the cushion hinge bracket. The vehicle body hinge bracket is provided to an upper surface of a seat mounting part and to which the cushion hinge wire is rotatably connected, so that the seat cushion is foldable with respect to the vehicle body hinge bracket.

Abstract: A chair is operable between a seating position and a rise-assist position. The chair comprises a base; first and second legs; a seat pivotally connected to the first and second legs; and a back pivotally connected to the seat. The chair further comprises first and second members pivotally connected at a first end to the legs, and pivotally connected at a second end to the back. At least portions of the legs, first and second members, back and seat form first and second four-bar linkages, respectively. At least one biasing member is pivotally connected at a first end to one of the base and at least one of the legs and pivotally connected at a second end to at least one of the four-bar linkages. The at least one biasing member operates to assist movement of the chair between the seating position and the rise-assist position.

Abstract: A seat is pivotally connected to a frame of a wheelchair and is connected by one or more resilient supports. Each support includes a housing attached to either the seat or the frame and a bracket arrangement attached to the other of those wheelchair components. A spring biases the bracket arrangement with respect to the housing and an adjuster enables the force of the spring to be varied to alter resiliency of the support.

Abstract: A reclining chair system with a standard assembly supporting seat and backrest assemblies, which are pivotally mounted to each other and capable of providing a rocker effect to a user. A strut assembly provides substantially a bounce free shock absorbing function by using two coaxially disposed compressible and resilient members that are compressed sequentially. A headed shaft with a step limits the compression of the first member. The arrangement permits a volumetrically efficient operation while preventing excessive fatigue of the member. An adjustment mechanism permits a user to readily set the relative angular position of backrest and seat with respect to the standard (and consequently the horizontal plane) depending on the location of the chair system.

Abstract: In a vehicle seat storage assisting apparatus, a folded second rear seat can be rotated to a front side and a rear side about seat rotating shaft members provided at both side portions thereof. A rearward and forward biasing springs are provided between the seat rotating shaft members and floor support brackets respectively. The biasing force of the rearward biasing spring gradually decreases as the second rear seat which is being in a horizontal state A forward of the seat rotating shaft members rotates from the horizontal state A to a vertical state B. The biasing force of the forward biasing spring gradually decreases as the second rear seat which is being in a horizontal state C rearward of the seat rotating shafts rotates from the horizontal state C to the vertical state B.