Abstract: The invention concerns a seat articulating device comprising a seat and a back capable of pivoting relative to the back seat about a pivot pin (A1) into a plurality of positions, in particular a nominal position wherein the back is substantially vertical and a shelf position wherein the back is folded down on the seat, said device comprising: a flange (3) designed to support the back pivoting relative to the pivot pin (A1) including arc-shaped teeth having a radius R centered on the pivot pin (A1); a concave toothed segment (12) capable of being linked to the seat, oscillating relative to a pivot pin (A2) between a locking position wherein it co-operates with the teeth of the flange (3) and an unlocking position wherein it is spaced apart from the flange teeth and allows the flange (3) to rotate.

Abstract: The adjustment device comprises a toothed quadrant connected to the sitting surface, and a toothed quadrant which is connected to the back and which can be meshed into the toothed quadrant connected to the sitting surface, in a locked configuration of the seat, and can be demeshed from the toothed quadrant connected to the sitting surface, in an unlocked configuration of the seat, making it possible to adjust the angular position of the back with respect to the sitting surface, an element which possesses a stepped quadrant having a first convex surface and at least one second convex surface, each defining an angular sequence, which are connected to one another by a stop surface, a pawl possessing a tooth capable of following each convex surface until it comes to bear against a stop surface, and an element to pivot the pawl in order to release the tooth from a stop surface, so as to cause the seat to change from one angular sequence to the next sequence.

Abstract: This seat (1) has a mechanism comprising: a link rod called the transmission link rod (16) rotationally connected, at one of its ends, to the backrest (3), and a link rod called the bearing link rod (17) rotationally connected, at one of its ends, to the vehicle structure, these two link rods (16, 17) being rotationally connected to one another at their second end, the rotation of the backrest (3) towards the seat part (2) causing the bearing link rod to rotate into a fixed position in which the link rod bears against a stop that is fixed with respect to the vehicle structure, then the seat (1) to move into a predetermined position owing to the transmission, via the transmission link rod (16), of the rotational movement of the backrest (3) into a translational movement of the seat (1).

Abstract: The adjustment device comprises a toothed quadrant (7) connected to the sitting surface, and a toothed quadrant (16) which is connected to the back and which can be meshed into the toothed quadrant (7) connected to the sitting surface, in a locked configuration of the seat, and can be demeshed from the toothed quadrant (7) connected to the sitting surface, in an unlocked configuration of the seat, making it possible to adjust the angular position of the back with respect to the sitting surface.

Abstract: This seat (1) has a mechanism comprising: a link rod called the transmission link rod (16) rotationally connected, at one of its ends, to the backrest (3), and a link rod called the bearing link rod (17) rotationally connected, at one of its ends, to the vehicle structure, these two link rods (16, 17) being rotationally connected to one another at their second end, the rotation of the backrest (3) towards the seat part (2) causing the bearing link rod to rotate into a fixed position in which the link rod bears against a stop that is fixed with respect to the vehicle structure, then the seat (1) to move into a predetermined position owing to the transmission, via the transmission link rod (16), of the rotational movement of the backrest (3) into a translational movement of the seat (1).

Abstract: A device for wedging an adjustable removable seat vertically in a C-shaped slideway, the seat being secured to an underframe having a subassembly able to run in the C-shaped slideway, the subassembly including a catch collaborating with a return of the slideway, and a retaining hook able to collaborate with the return of the slideway when the seat is subjected to an impact energy, the device including a vertical journal mounted to rotate in a bearing of the underframe, a member for wedging in terms of vertical translation, connected in terms of rotation to a lower end of the journal and having, when viewed from above, a generally rectangular overall shape a shortest dimension of the rectangular shape being less than a width of a groove of the C-shaped slideway and a longest dimension of the rectangular shape being greater than the width of the groove, so as to be able, in a wedged position, to sit under the internal returns of the slideway, a spring constantly returning the wedging member to the wedged positi

Abstract: This device comprises, in each subassembly, a vertical journal mounted to rotate in a bearing of the underframe, a member for wedging in terms of vertical translation, connected in terms of rotation to the lower end of the journal and having, when viewed from above, a rectangular overall shape the shortest dimension of which is less than the width of the groove of the C-shaped slideway, a spring constantly returning the wedging member to its wedging position, a means for causing the journal to pivot against the action of its return spring into a position in which the wedging member can be engaged in the groove of the corresponding slideway, and at least one helical ramp which, rotating as one with the journal, collaborates with a fixed complementary bearing surface to move the wedging member vertically and bring it into contact with the returns of the slideway.

Abstract: A device for adjusting a double-jointed seatback by a single control. A seat pan structure is joined on at least one side to a convex toothed sector centered on a first joint. A seatback structure is joined to two arms that extend on either side of a housing. The arms are articulated on a second joint mounted upon the housing, and are joined to a concave toothed sector centered on the second joint. The housing contains an upper toothed locking plate and a lower toothed locking plate. Between the two locking plates, a pivoting cam connects to a single control device. The upper toothed locking plate is joined to a stop arm that extends in the housing towards a semicircular stop located on the lower toothed sector. The semicircular stop is provided to resist the unlocking of the locking plate except when the seatback is in the maximally advanced position.

Abstract: A detachable, reversible vehicle seat adjustable lengthwise by controls on its slides, has a manual locking system for each of the slides, including a manual control handle articulated to one of the ends of each slide near the anchoring area of a leg of the seat, the ends being different on the two slides for a given seat, and a transverse connecting shaft articulated near the front legs below the base of the seat, one of whose ends is designed to cooperate with a manual control handle controlling the unlocking of one of the slides, while the other end of the transverse connecting shaft has a finger able to cooperate with the unlocking means of the other slide in its runner.

Abstract: Each of the legs of the seat comprises at least one transversely projecting part forming a retaining member, while the corresponding runner comprises, in its region that accommodates each leg, at least one hook-shaped catch articulated to it and capable of retracting as the projection of the corresponding leg is introduced into the runner, before coming back to hook onto this projection under the action of its return spring action, the manual latches of unlocking the catches being borne by each of the legs.

Abstract: A device for securing and adjusting the lengthwise position of a removable and reversible seat for a vehicle. The device includes a pair of C-shaped tracks secured to the floor of the vehicle with each track having an upper compartment and a lower compartment. The upper compartment of each track accommodates a slider that is connected to each leg of the seat of the vehicle and includes a locking device having teeth. The slider is displaceable relative to the track so that the slider can be manipulated between a locked position and an unlocked position. The lower compartment accommodates a plate having parallel rows of perforations that are engaged by the teeth of the locking device in the locked position and are released from engagement in the unlocked position. The configuration of the track and slider arrangement provide the device with a strong leg-slider connection as well as good resistance to tearing free from the floor of the vehicle in case of impact.

Abstract: A safety fixture for a removable vehicle seat of the type having four legs, two front legs and two rear legs. Each leg is equipped with a mobile catch for being affixed to at least one of two transverse rods fixed in the front or rear floor well of a vehicle. Each front leg has a hook-shaped part that interacts with one of the two parallel transverse rods fixed in the front floor well. The catch for the font legs can be returned and unlocked. First and second hook-shaped parts are used simultaneously affix each rear leg to both transverse rods in the rear floor well of the vehicle. The first and second hook-shaped parts are formed on a front and rear catch, respectively. The front catch articulates at the front and toward the base of a common support. The front catch also includes a triangular heel delimited by an upper face stop for immobilizing the rear catch in the locked position and a rear face stop for immobilizing the front catch in the open position.

Abstract: The device relates to vehicle seats in which the backrest armature is composed of two uprights which are articulated with respect to the seat part armature about a first transverse horizontal pin in order to define various positions of comfort and about a second pin, parallel to the first one, in order to allow the backrest to be folded down onto the seat part, the latter articulation being associated with an unlockable immobilizing structure.

Abstract: A seat in which the backrest armature is composed of two uprights which, joined together by at least one crosspiece, are joined to the seat part armature by a fixed or articulated connection.

Abstract: The expanding and retracting ball- and broach-type lock comprises a striker plate (10), a catch bolt (20), a control device (30), an orientation device, a position detector, a safety device, a safety feature and, preferably, an ejector (80).The lock is mounted on a support (90) such as a seat subframe with a sole-plate (91) and a leg (92) which are articulated in order to rock relative to each other.Use for a removable of a "single-volume people-carrier type" vehicle seat.

Abstract: The multi-position seat is fitted with linkage rod (50) which comprise a connecting rod assembly (51), a scissor-type stay (52), preferably a biasing urging element (53), as well as limit stops (54) and a stop-piece (55), a cam (56) and also a cam follower (57). These linkage rod provide the automatic control of the relative displacements of the seat part and backrest cushions during changes in their relative positions.

Abstract: The seat structure comprises a latching device (60) which is partly carried by one of the brackets (12,22) and partly by the other of these brackets (12,22) for latching in two opposed directions the backrest (20) to the seat (10) when the backrest occupies at least one of two particular positions, namely a "normal" position and a "relaxing" position so as to absorb and/or transmit important forces to which the seat structure is subjected in the event of a shock having a large longitudinal component. The latching device is brought into action by a hand control (50) of a locking mechanism. The seat structure is particularly applicable to so-called "one volume" or "monospace" vehicles.

Abstract: A movable arm rest, the position of which is adjustable by a motor, and which can be used in particular between the two front seats of a motor vehicle.The arm rest comprises a movable component (1), the upper upholstered part (2) of which serves as a support for the user. By virtue of a motor which is fixed with respect to a support plate (5) disposed at the base of the movable component, the arm rest is displaced along inclined guide ramps which are fixed with respect to a fixed frame (4). The drive is provided by way of pinions (16) meshing with racks (47).