Abstract: There is provided a movable seat for a vehicle which makes it possible for passengers to feel more liberating. The vehicle is partitioned into a cab and the bed by a partition wall. A plurality of seats are provided in the cab and arranged in parallel in the direction of the width of a vehicle body. A seat moving mechanism is provided between the seats and the vehicle body, for holding the plurality of seats such that the plurality of seats can move in the direction of the width of the vehicle body, and moving the plurality of seats from the cab rearward onto the bed and holding the plurality of seats.

Abstract: An anchoring device for a seat that can be installed and removed inside a vehicle without the use of tools has at least one locking unit (2, 4) with a first functional part attached in stationary fashion to the vehicle, and a second functional part attached to the seat, the functional parts being constituted on the one hand by an undercut extension element (14) and on the other hand by a receiving part (16) having a locking receptacle (18), in such a way that for mounting, the seat can be inserted in a direction approximately perpendicular to a seat base plane (10) and is then displaceable parallel to the seat base plane (10) into a detent position. In the detent position, the extension element (14) sits in the locking receptacle (18) in a manner secured against perpendicular relative motions.

Abstract: A tip-up, slidable automotive seat comprises a seat cushion, a seat back, a tipping-up mechanism for allowing the seat cushion to be tipped up relative to the seat back, and an interlocking mechanism for preventing the seat from being moved forward unless the seat cushion is tipped up relative to the seat back and for allowing the seat to be moved forward when the seat cushion is tipped up.

Abstract: A rail assembly has an elongated upwardly open and elongated metal rail fixed to a car-body support and two confronting and inwardly concave flanges forming transversely inwardly directed faces and an elongated metal rail fixed to a motor-vehicle seat, captured between the flanges, and having two transversely outwardly directed faces generally complementary to and bearing with prestress outwardly on the inwardly directed faces. Respective friction-reducing layers on the faces allow the seat rail to slide smoothly in the body rail.

Abstract: The articulated device (10) that is intended for filtering vibrational movements from a vehicle floor (12) and transmitted to a passenger support (19), is installed between said floor (12) and said support (19), and comprises two mounts (20) fixed to the vehicle floor (12), one mobile central part (22) articulated to the support (19), two connecting rods (24), each articulated to one of the mounts (20) and the central part (22). These five elements (20, 22, 24) are articulated to each other and to the support (19) by rotation joints, the rotations operating about five rotation axes (32, 34, 36) that are parallel to each other. The system (100) for filtering vibrational movements transmitted to a passenger support (19) comprises at least three filtering devices (10), such that the support (19) moves in translation along a plane curved trajectory. To be used for an aircraft seat.

Abstract: A seat position sensing device for use in a deployable passenger restraint system for an automotive vehicle has a Hall Effect sensor and a magnetic actuator sensor target facing each other and mounted in corresponding rails used to mount the vehicle seat to the vehicle said rails in moveable relationship to each other. Said seat position sensing device not requiring special hardware to be mounted in external to said seat rails.

Abstract: A seat arrangement structure for a vehicle including a pair of right and left first side seats; a first center seat disposed between the pair of first side seats; a pair of right and left second side seats; and a second center seat disposed between the pair of second side seats. The first center seat is made slidable only within a range at a back of a position where a front end portion of the first center seat is aligned with that of the pair of first side seats. Each of the pair of first side seats is made slidable only within a range in front of the position where the front end portion of the pair of first side seats is aligned with that of the first center seat. The width of the first center seat is made narrower than that of the pair of first side seats.

Abstract: A vehicle seat having a support structure adapted to rigidly support the seat in multiple use positions and to guide the seat into a storage position for minimizing the volume of vehicle interior occupied by the seat. The vehicle seat and support mechanism are adapted to be stored in a recessed compartment of the vehicle. The support mechanism includes a frame spanning the vehicle interior with cross-vehicle members and engaging a track on the sidewall of the vehicle, eliminating the need for under-seat support connected to the vehicle floor, and providing cross-vehicle bracing to increase rigidity and minimize intrusion into the vehicle interior in the case of a side impact.

Abstract: A vehicle seat having a support structure adapted to rigidly support the seat in multiple use positions and to guide the seat into a storage position for minimizing the volume of vehicle interior occupied by the seat. The vehicle seat and support mechanism are adapted to be stored in a recessed compartment of the vehicle. The support mechanism includes a frame spanning the vehicle interior with cross-vehicle members and engaging a track on the sidewall of the vehicle, eliminating the need for under-seat supports connected to the vehicle floor, and providing cross-vehicle bracing to increase rigidity and minimize intrusion into the vehicle interior in the case of a side impact.

Abstract: In a seat console, weight sensors for measuring the weight of occupants are arranged, which are provided between a top frame and a bottom frame of the console. So that a floating bearing of the top frame in the bottom frame is ensured, the top frame and the bottom frame are held to be supported by the weight sensors. In order to avoid damage or a faulty measurement, the top frame dips into the bottom frame in an open manner.

Abstract: A slidable vehicle seat provided with automotive electronic parts, includes a seat tract mechanism for allowing the seat to be moved forward and rearward in a vehicle, an electrically wiring construction for the automotive electronic parts, a longitudinal housing member disposed adjacent the seat track mechanism and provided at a floor section of the vehicle, the housing member having a slit extending along a longitudinal direction of the housing member, the electrically wiring construction including first, second and third electrical wiring members, the first electrical wiring means being led out of the automotive electronic parts, the third electrical wiring member being connected to a power source and passing in the floor section of the vehicle, the second electrical wiring member being movably housed within the housing member so as to be capable of travelling along the housing member according to movement of the seat, the second electrical wiring member having first and second ends, the first end of the s

Abstract: In a seat in which the seat is placed so as to be freely moved by a slide rail 4, a striker lock 7 retained and mounted to a striker 8 standing up from a vehicle body floor F is provided in a lower portion close to a rear end of a lower rail 4b, and the seat is placed so as to be freely kicked up from a rear portion side to an upper side in a folded state around a supporting shaft 6 axially supporting and pivoting a front end side of the lower rail 4b corresponding to a supporting point, there is provided a switching mechanism 10 which makes it impossible to unlock the striker lock 7 by an operation lever when the seat is kept at a front seated position, and makes it possible to lock the striker lock 7 by the operation lever when the seat is moved to a predetermined rear position, whereby it is possible to mechanically execute a step of moving the seat to the predetermined position in the rear side within the vehicle, thereafter unlocking the striker lock 7 and kicking up the seat.

Abstract: A runner for a vehicle seat, comprising a male bar and a female bar that are mounted to move relative to each other over a predetermined stroke, the runner further comprising a detector disposed on one of the male and female bars, and a detectable member disposed on the other of the male and female bars. The male bar is a generally channel section bar including a horizontal web, the female bar is a generally channel section bar including a horizontal web, and the detectable member is formed by a tab that is integral with or secured to the edge of one of the lips of the male bar, the corresponding side wall of the second bar having an opening disposed in correspondence with the detector adapted to detect the presence or the absence of the tab of the male bar.

Abstract: The present invention discloses a folding seat assembly for a vehicle having a floor, comprising a seat cushion mounted to said vehicle floor and a seat back independent of said seat cushion and pivotally mounted on tracks to allowing said seat back to be moved away from said seat cushion and folded forward into a substantially horizontal position producing a cargo area over said folded seat. The folding seat assembly being mountable in a vehicle without modification to the vehicle floor pan or the need for special mounting brackets to provide a seat storage area.

Abstract: A seat position sensing device for use in a deployable passenger restraint system for an automotive vehicle has a Hall Effect sensor and a magnetic actuator sensor target facing each other and mounted in corresponding rails used to mount the vehicle seat to the vehicle said rails in moveable relationship to each other.

Abstract: A vehicle seat 1 includes a seat unit 10, a lift-up unit 50 and a long-sliding unit 200. The lift-up unit 50 moves the seat unit 10 between interior and exterior of a vehicle via a door opening portion D2 that corresponds to a passenger seat position. The long-sliding unit 200 moves the seat unit 10 between a driver's seat position and the fellow passenger seat position. The lift-up unit 50 moves the seat unit 10 downward when the seat unit 10 is positioned at the driver's seat position, so that the seat unit 10 is located at a suitable position for driving.

Abstract: The invention relates to a seat module comprising at least one vehicle seat having a seat bottom, via which the seat can be joined to a motor vehicle body, and comprising a transversal guide, on which the seat can be horizontally displaced in a manner that is transversal to the longitudinal direction of the seat, whereby the seat, with regard to the transversal guide, can be locked into at least one position for use. The invention provides that the seat (1) can be moved, along the transversal guide (4, 6), out of the position of use and into a position, in which the seat can be detached from said transversal guide (4, 6).

Abstract: A compensator for lack of parallelism in a removable seat is provided, the seat including two rigid lateral endplates, crossmembers connecting the endplates, means of positioning the endplates in a slideway fixed to a floor of the vehicle, translational guidance means, and means of locking the endplates in the slideway, the crossmembers being tubular and cylindrical and collaborating with bearings of the endplates, the compensator including a cylindrical and stepped axial endpiece disposed at an end of each of the crossmembers, a sleeve made of viscoelastic material pushed tightly into the bearing in the corresponding endplate, the sleeve receiving the endpiece, an axial tapped hole for a screw for translational immobilization pressing a washer against an outer end face of the sleeve and an inner end face of the sleeve against the flange of the endpiece.

Abstract: A theft prevention device includes a security module integrated with the powered seat system. The security module is programmed to instruct the powered seat system to move the vehicle seat between an original position and a forward security position with the seat member and lumbar support member moved forward to prevent a thief from accessing the passenger compartment of the vehicle. The theft prevent device further includes a gearing mechanism linking the seat member and the lumbar support member for controlled forward movement of the lumbar support member to a fully forward position flush with a forward most position within a passenger compartment of the vehicle. The theft prevent device further includes further includes a trigger switch linked to the security module for sending a trigger event signal instructing the security module when an individual leaves the vehicle or when an individual returns to the vehicle.

Abstract: Structure for securing a load detection element under a vehicle seat in combination with a support leg element having a hole formed in one end portion thereof, wherein the load detection element is pivotally connected with the support leg element, while being fixedly secured by first and second securing pins to the vehicle seat. The first pin has an end riveted to a bottom side of the vehicle seat and an end portion extending through the hole of support leg element. Such another end portion has a head larger in diameter than that hole and is disposed outwardly under the support leg member, with one space given between the head and support leg member. The second pin has a end fused and fixed in the bottom side of vehicle seat and a head disposed beneath the load detection element, with another space given between the head and support leg member.

Abstract: A power seat for a vehicle is provided with an upper channel fixedly attached to a seat, a lower channel fixedly attached to a floor of the vehicle, a nut unit fixedly attached to one of the upper channel and the lower channel, a driver shaft passing through the nut unit, a motor mounted on the other one of the upper channel and the lower channel, a transmission unit for transmitting a torque of the motor to the driver shaft. The nut unit includes a nut block having an internally threaded through hole through which the driver shaft passes, a holder having a front standing wall, a rear standing wall, and a coupling portion coupling the front standing wall and the rear standing wall so as to define a space for holding the nut block, each of the front standing wall and the rear standing wall having buttress walls projecting outward.

Abstract: A seat for an automobile, which is intended to reduce its weight and to be easily mounted and dismounted by having a seat sliding device mounted on a body frame rather than a seat frame and having rollers, and which can be automatically tumbled and mounted face to face with other seats by a spiral spring and a locking structure by engagement at two points, is disclosed.

Abstract: A stowable vehicle seat for a vehicle includes a seat base that is slideably connected to the vehicle. The seat is moveable between a first position and a second position adjacent a storage area. The seat base has a seat back rotatably connected thereto that allows the seat back to rotate between a normally up position and a folded down position. The seat base also has a pivot hinge located on an underside thereof that allows the seat base to pivot when the seat is located in the second position from a flat position to an upright position such that the seat is at least partially disposed in a rear quarter panel of the vehicle.

Abstract: A sliding rail structure that allows the back and forth travel of the seat with respect to the vehicle floor surface, wherein the sliding rail 4 comprises a lower rail 8 and an upper rail 7 that is mounted on the seat in advance, and a groove 14 longer than the lower rail 8 is formed in the longitudinal direction of the floor panel 9 constituting the vehicle floor surface. The lower rail 8 and an extension 15 that continues from the lower rail 8 are installed in the groove 14, and the upper rail 7 slides inside the lower rail 8 and extension 15. This structure provides both satisfactory dimensional accuracy for installation of the seat and sliding rail as well as a long traveling distance in the longitudinal direction, facilitates passengers to get on and off the vehicle floor, and improves appearance.

Abstract: Vehicle seat underframe comprising a framework provided with a lower guide shoe and with a moving catch comprising a lateral claw that can move between a locked position and a retracted position. The device for operating the catch is connected to a release cam which normally holds a release finger in the effaced position. When the catch is in the retracted position, the release finger moves into an active position in which a lower end of this finger projects downwards with respect to the framework while an upper end of the release finger immobilizes the release cam.

Abstract: A seating system for a motor vehicle that provides one or more seats having independent tilting and height adjustments for an occupant's comfort or manipulation of the seat between a stowed and depolyed position. The seats have first and second support members adjustably linked to a third support member. The adjustable link between the first and third support members controls the tilt of the seat and the adjustable link between the second and third support member controls the height of the seat.

Abstract: A self-actuating base covering system for a vehicle which includes a foldable seat and a coverable area adjacent a back of the seat includes at least one guide surface along the seat back and a rigid panel. The panel has a first end portion fixed against movement in a horizontal direction and a second opposite end portion in slidable engagement with at least one guide surface. The panel is dimensioned so as to extend at least partially across the coverable area. The second end portion of the panel slides along the at least one engagement surface and the back of the seat during movement of the seat between a lowered position and a raised position.

Abstract: The invention relates to seats of which the sitting structure comprises two rigid lateral endplates connected by crossmembers and each bearing means of positioning in a slideway fixed to the floor of the vehicle, translational guidance means and means of locking in the slideway, in which structure each of the crossmembers is tubular and cylindrical and collaborates with bearings borne by each of the endplates.

Abstract: A seat device of a vehicle including a substantially flat floor surface substantially extending across a full cabin space of the vehicle, front row seats, center row seats and a rear row seat disposed in a longitudinal direction of the vehicle on the floor surface, a seat storage pan extending rearward the rear row seat and downward a level of the floor surface, the front row seats being disposed with a space, the center row seats including a plurality of seats in which at least one of the seats is movable in a lateral direction of the vehicle. When the rear row seat is received in the seat storage pan, a substantially flat and continuous surface of a substantially same level as the floor surface is formed rearward the center row seats to a rear end of the cabin space with a substantially full width of the cabin space.

Abstract: A structure of vehicle seat including a seat cushion frame pivoted therein, a striker, and a lock mechanism for locking and unlocking the seat cushion frame to and from the striker. The lock mechanism is disposed in the rearward area of the seat cushion frame, while the striker is fixed on the floor of vehicle, so as to allow smooth and direct escape of a great load from the seat cushion frame via the striker to the floor. This avoids the necessity of any reinforcement leading to weight increase of the seat. Also, a seat belt is provided in the seat cushion frame together with the lock mechanism in an integral manner.

Abstract: The invention is a tie-down hoop for slidably mounting within a guide rail. An embodiment of the tie-down hoop includes a hoop, a button, a bezel, an elastomeric spring, and a sliding plate. Other embodiments of the tie-down hoop may include a hoop, a bezel, possibly a bushing between the hoop and bezel, a sliding plate, and at least one elastomeric spring. The bezel is biased towards the top of the guide rail by the spring. The top of the guide rail includes a plurality of detents for securing the tie-down hoop in a desired position. The tie-down hoop may be employed in vehicle seat guide rails to tie down cargo to the vehicle floor.

Abstract: A seat for a motor vehicle comprises a squab carried by a frame (31) and a back (54). The squab (31) is mounted for movement along a rail (21, 22, 23) from an operative position to a stored position remote from the operative position. The seat back (54) is pivotally mounted for movement from an operative position to a stored position. Part of the seat-back, when in the stored position, occupies space that was occupied by the squab of the seat when the squab of the seat was in the operative position. The seat may be mounted in a motor vehicle in such a way that part (55) of the back of the seat, when in the stored position, is substantially flush with part of the floor (53) of the motor vehicle to provide a load carrying platform.

Abstract: An operator seat assembly for use with a utility vehicle is provided. The assembly permits the seat to be adjusted fore and aft between a plurality of positions and includes a tubular hip restraint which is integral to and shiftable with the seat. One leg of the hip restraint serves as a pivot to allow the seat to tilt forwardly from an operative position to a storage position to protect it from the elements when not in use.

Abstract: A seat track assembly for a motor vehicle includes a first or lower track assembly comprising a lower track, a second or upper track assembly operably connected to the lower track assembly and comprising an upper track movable relative to the first track, and a latch selectively movable from a latching position wherein the upper track is secured with respect to the lower track and an unlatching position wherein the upper track is movable with respect to the lower track. The upper track has a generally vertical side wall and the latch extends laterally adjacent the side wall. The latch includes an attachment portion secured to the upper track, a latch portion adapted to cooperate with the lower track to form an interlock therebetween and substantially prevent movement of the upper track relative to the lower track, and an intermediate portion connecting the attachment portion and the latch portion. The latch is preferably a unitary member formed of spring steel.

Abstract: A stowable vehicle seat for a vehicle includes a seat base that is slideably connected to the vehicle. The seat is moveable between a first position and a second position adjacent a storage area. The seat base has a seat back rotatably connected thereto that allows the seat back to rotate between a normally up position and a folded down position. The seat base also has a pivot hinge located on an underside thereof that allows the seat base to pivot when the seat is located in the second position from a flat position to an upright position such that the seat is at least partially disposed in a rear quarter panel of the vehicle.

Abstract: A seat track protector assembly is provided for a vehicle. The seat track protector assembly includes a cover adapted to be disposed adjacent an end of a lower track member for a seat of the vehicle and adapted for movement by an upper track member of the seat. The seat track protector assembly also includes a spring cooperating with the lower track member and the cover to return the cover toward the end of the lower track member when the cover is moved away from the end of the lower track member by the upper track member.

Abstract: An arrangement for mounting a restraint belt mounted vehicle seat to a floor of an automotive vehicle is provided. The arrangement includes a floor rail supporting the vehicle seat, a load cell providing a supporting platform for the floor rail above the vehicle floor, a force transmittal member connected to the floor rail, a headed fastener connected to the vehicle floor, and a capture member connected to the vehicle floor by the fastener, the capture member in normal operational conditions having a clearance with the force transmittal member. In a predefined vehicle crash situation the force transmittal member is moved to an interference with the capture member retaining the floor rail to the vehicle floor.

Abstract: An arrangement for mounting a restraint belt mounted vehicle seat to a floor of an automotive vehicle is provided. The arrangement includes a floor rail supporting the vehicle seat, a load cell providing a supporting platform for the floor rail above the vehicle floor, a force transmittal member connected to the floor rail, a headed fastener connected to the vehicle floor, and a capture member connected to the vehicle floor by the fastener, the capture member in normal operational conditions having a clearance with the force transmittal member. In a predefined vehicle crash situation the force transmittal member is moved to an interference with the capture member retaining the floor rail to the vehicle floor.

Abstract: The present invention provides a roll top seat assembly structure that is slidable between an active position and an inactive position. In the active position, the seat assembly is slid along opposing tracks located on either side of a vehicle's interior sides to form a fully functioning rear seat equipped with head rests and seat belts. In the inactive position, the roll top seat assembly is slid along the opposing tracks to stow flat along the cargo floor of the vehicle's interior, thereby providing the entire area with cargo room.

Abstract: A flexible seating system (10) for a vehicle (20) which includes a side wall track (24) mounted to the vehicle side wall (22) and extending longitudinally of the vehicle. A cross track (30) extends laterally across the vehicle. A seat back (40) of the vehicle seat (18) is coupled to the side wall track and cross track by slidable bearing (58) devices so that the seat back can be moved from a laterally extending forward facing position to a stowed position alongside the vehicle side wall. The seat bottom (42) is rotatably coupled to the seat back by a hinge (44) mechanism and can extend generally horizontally from the seat back to be rotated to an upright stowed position overlying the seat back. A support extends from the seat bottom to the vehicle floor (57) to support the seat bottom in a spaced relationship above the floor.

Abstract: Storable/slidable vehicular seat apparatus includes a seat with a seat base that can be flipped upwardly via a pivot to be stored against a wall of a vehicle compartment. The seat base is slidable in a front-and-rear direction of a vehicle bodywork. The seat base is pivotally attached at its one side to the vehicle bodywork. Leg member is secured to the underside of the seat base via a second slider and second sliding rail. When the seat base is flipped upwardly via the pivot, the leg member, second slider and second sliding rail are moved upwardly and stored together with the seat base.

Abstract: A set of vehicle electrically actuated reclining seats are provided to replace stationary seats in a van permitting comfortable sleeping. The invention consists of a pair of side walls (30) attached to the van interior, with each side wall including a slotted frame (31) having a horizontal slot (32) therein. A set of rollers (42) on a bench frame (40) interface with the slots permitting the frame to slide horizontally as driven by a first electric motor drive. A pair of seats (60) and back rests (72) are attached to the bench frame, connected to a second electric motor drive such that when the back rest is substantially upright the back of the seat is lower than the front of the seat and when the back rest is pivoted flat the seat is simultaneously raised to a horizontal position parallel to the back rest.

Abstract: A seat device of a vehicle including a substantially flat floor surface substantially extending across a full cabin space of the vehicle, front row seats, center row seats and a rear row seat disposed in a longitudinal direction of the vehicle on the floor surface, a seat storage pan extending rearward the rear row seat and downward a level of the floor surface, the front row seats being disposed with a space, the center row seats including a plurality of seats in which at least one of the seats is movable in a lateral direction of the vehicle. When the rear row seat is received in the seat storage pan, a substantially flat and continuous surface of a substantially same level as the floor surface is formed rearward the center row seats to a rear end of the cabin space with a substantially full width of the cabin space.

Abstract: A motor vehicle has at least one vehicle occupant seat arranged laterally of a side member. The vehicle occupant seat is arranged on seat rails which extend in the longitudinal direction of the motor vehicle and are fixedly connected by way of a seat underframe with a vehicle floor. The side member and the seat rail adjoining the side member have mutually assigned safety devices which are arranged at a distance from one another in the longitudinal direction of the motor vehicle. The safety devices can be brought into an operative connection with one another such that the seat rail and the side member are connected by way of the safety devices during high dynamic stressing of the vehicle occupant seat and/or of the side member.

Abstract: An anchor assembly is suitable for releaseably and adjustably securing a vehicle seat to the floor of a vehicle. The anchor assembly includes an anchor unit that in use is secured to the floor of the vehicle and a lock unit that in use is secured to the base of the vehicle seat. The lock unit cooperates with an anchor member in the anchor unit so that 1) the position of the vehicle seat can be adjusted by sliding the lock unit along the anchor member, 2) the lock unit can be secured in at least one predetermined adjustment position, and 3) the lock unit can be released from the anchor unit in at least one predetermined release position.

Abstract: A seat track assembly comprises a first seat track and a second seat track slidable relative to the first seat track along a longitudinal axis. An actuator has a handle, at least one leg extending from the handle, and a distal end portion. The actuator is movable between a locked position where the distal end portion engages the first seat track to lock the second seat track with respect to the first seat track, and an unlocked position where deflection of the leg moves the distal end portion out of engagement with the first seat track. This allows sliding adjustment of the second seat track with respect to the first seat track. Each seat track may have openings which are coaxially aligned when the actuator is in the locked position. In certain preferred embodiments a fixed member biasing mechanism may be used to urge the actuator out of engagement with the first seat track.

Abstract: A motor vehicle's rear bench seat has a back seat structure acting as a reclining back and at least one cam plate for guiding the seat back structure relative to a part affixed to the car structure. An element is provided for the absorption of energy, acting in case of a collision, between the cam plate and the part affixed to the car structure.

Abstract: A vehicle seat the feet of which are assembled in a removable manner on two fixed sections by means of vertical jaws which ensure the coupling of the seat onto the fixed sections.

Abstract: A seat support for use with a vehicle seat and adapted to engage a floor-mounted track, the track having two inwardly directed lips on opposed sides of a slot. The seat support has a framework to support the seat, and which is provided with a clamping mechanism to engage the lips of the track. The clamping mechanism has two spaced apart plates, with the spaced apart plates having inwardly inclined lower regions. The lower edge of each plate carries an outwardly directed flange. A mechanism is provided to move the lower regions outwardly against an inherent resistance bias provided by the plates from an initial position in which the flanges may be inserted between the lips of the track to an outer clamping position in which the flanges engage the lips of the track. A knife element is mounted between the plates and is adapted to be moved between an upper position and a lower clamping position.

Abstract: In an arrangement for a seat (2) in a vehicle, the seat is movable in a longitudinal direction along a plane (33) which slopes relative to the horizontal plane. The subframe of the seat (2) consists of devices (30, 31) fastened respectively to the vehicle and to the seat, which devices consist of two substantially similar triangular supporting frames. Resetting between a predetermined driving position and a likewise predetermined resting position is made possible by a control device (16) which is fastened to the device (30) which is itself fastened to the vehicle, which control device cooperates with a locking device fastened to the seat so that during a relocating movement between forward and rear positions of the seat the locking device (17) becomes free from at least one locking position between the vehicle seat and the device (30) fastened to the vehicle.