Abstract: A split rear backrest is arranged between two side panels of a motor vehicle and has two backrests, which are provided with respective lower portions arranged side by side along a horizontal axis and are rotatable independently of each other about said horizontal axis; moreover, the backrest has a shaft, whose ends define respective fastening elements for being coupled to the side panels; the shaft has a segment axially protruding from one of the backrests and rotationally engaging a seat axially formed in the other backrest.

Abstract: A pad structure for a chair back contains a pad, an adjusting member disposed on a back side of the pad, and a rail plate connected with the adjusting member. The pad is capable of being adjusted frontward and backward. The adjusting member includes a positioning panel to axially connect with a toothed edge of each of two toothed arms. Another end of one toothed arm is secured on a face of the rail plate by using a first connector, and another end of another toothed arm is coupled with a slideable deck by a second connector to form a multi-section engaging design. Thereby, the two toothed arms slide along the slideable plate to change a relative angle between the two toothed arms.

Abstract: A rear seat of a vehicle which allows controlled reclining of the seat as well as folding the seatback to a stowed position.

Abstract: A reclining device capable of eliminating mechanical play in a front-rear direction of a seat back is provided. Particularly, a reclining device reliably capable of locking and releasing is provided at an inexpensive cost. Movable guides are slidably disposed respectively between lock gears and a fixed guide. Each of the movable guides is formed in a shape that the width thereof gradually decreases from the outer end toward the inner end. In the sliding faces of the respective movable guides, a sliding face on the lock gear side is arranged to be parallel to a movement direction of the lock gear and the sliding face at the fixed guide side is inclined with respect to the sliding face at the side of the lock gear. Each of the movable guides engages with a spring and the spring imparts a force to the movable guides in an inner direction of a base plate.

Abstract: Disclosed is a vehicle seat (1), particularly a motor vehicle seat, comprising a seat part (3), at least one fitting (5) which is provided with a first fitting part (7) and a second fitting part (8) that can be swiveled relative to the first fitting part (7) about an axis (A), and a backrest (4) which is mounted on the seat part (3) by way of the fitting (5) and can be swiveled relative to the seat part (3) about the axis (A). A sensor (15) is provided on the first fitting part (7) while a signaler (14) is provided on the second fitting part (8). The sensor (15) transmits a signal by cooperating with the signaler (14) when the second fitting part (8) swivels relative to the first fitting part (7), the signal making it possible to determine the relative angular position of the fitting parts (7, 8).

Abstract: A recliner mechanism for an automotive vehicle seat for allowing pivotal adjustment of a seat back (12) relative to a seat cushion (14) between a plurality of reclined seating positions and a forwardly stowed position. The recliner mechanism includes a seat back (12) bracket pivotally coupled to a seat cushion bracket. The seat back (12) bracket and seat cushion (14) bracket are each fixedly secured to the seat back (12) and seat cushion (14), respectively. A sector of teeth is formed in the seat back bracket. A pawl (40) having a rack of teeth lockably engageable with the sector of teeth is slidably engaged with the seat cushion bracket (30) for movement between a locked position with the rack of teeth engaged with the sector of teeth and an unlocked position with the rack of teeth disengaged with the sector of teeth.

Abstract: An articulation mechanism has a central part and a head part each made of a pair of shaped elements. The pairs of shaped elements form inner and outer shells. The inner shells are positioned inside the outer shells. The pairs of shaped elements are pivotable relative to one another and lockable relative to one another in several positions in one pivot direction. The outer shells have inwardly oriented projections and the inner shells have openings. A slide is moveably arranged inside the inner shells. The slide has locking members projecting through the openings of the inner shells and engaging intermediate spaces of the projections. A spring acts on the slide in an engagement direction of the locking members relative to the projections. The projections are shaped such that the locking members automatically reach a locking position in a first pivot direction of the head part.

Abstract: In an inclination adjustment lock for partial areas of seats, such as seat backs, a first lock part is firmly attached to a first partial area and a second lock part is attached to a second partial area. Both partial areas are connected together so that they may pivot about a common pivot axis, and the second is mounted to the second partial area so that it may pivot about an axis parallel to the pivot axis, and so that it may be held via a locking pawl in a ratchet position. In the ratchet position, a toothed section of the second lock part engages with an opposing toothed section of the first lock part. The pressure angle of the tooth faces assuming increased loading conditions, such as during a crash, with the toothed section of the second lock part and their complementary opposing toothed section decreases as the separation from the axis 4a increases.

Abstract: A stroller includes a stroller frame, a backrest, left and right positioning members movable between a locking position and an unlocking position, and a releasing unit including a pulling member, left and right pushing members mounted movably on the backrest for moving the left and right positioning members to the unlocking position, and left and right urging members that urge respectively the left and right pushing members to move away from the left and right positioning members. The pulling member includes a rod member mounted movably on the backrest, a connecting block connected to the rod member and having a through-hole, and a single flexible string passing through the through-hole and extending sidewisely from the through-hole to be connected to the left and right pushing members.

Abstract: A locking mechanism for chairs such as gliding and rocking chairs comprises a toothed rack for connection to the chair seat with the rack oriented generally in the direction of movement of the chair seat relative to the base and the teeth extending along the rack and facing towards a pin that is carried in the base. The rear end of the rack is pivoted to the chair seat and the front end of the rack is connected to a pivoting linkage arrangement operated by a lever at the side of the chair seat. Operation of the lever is effective to swing the toothed rack from a retracted position to a lowered position wherein the locking pin is engaged by a registering tooth in the rack. The attitude of the chair in the locked position will depend upon the position of the locking interengagement between the pin and the toothed rack.

Abstract: A pushchair comprises a frame onto which is hinged a reclinable backrest (24). On opposing sides of the reclinable backrest (24) the frame supports arms (20) pivotally rotatable in a vertical plane between a first position and a second position. Each arm (20) comprises a plurality of engaging notches (19) disposed along a path (23) along which slide pins (18) protruding laterally from the backrest (24). In the first position each arm (20) engages with one of the notches (19) the corresponding pin (18) protruding from the backrest, so as to block the movement of the backrest in a pre-established angular position and in the second position disengages the notches (19) of the plurality from the pin (18) to allow free movement of the backrest. Disposed on the backrest is a manual control to engage the arms (20) and move them simultaneously between the first and the second position.

Abstract: The back-rest hinge is intended for a vehicle seat with a seat support (20) and a back-rest, which is hinged to this support by means of a swivel joint (shaft 28), and a locking mechanism (44 to 58) for adjusting the angle of inclination of the back-rest (30) in relation to the seat support (20). A locking lever is hinged to the back-rest at a hinge point which is at a distance from the swivel joint along the lengthwise direction of the back-rest (30). The locking lever (38) has a locking area which extends in the direction of the seat support (20) and toward a front edge of this seat support. On the seat support (20) an interlock assembly is provided which interacts with the locking area, can be released, and is normally in mesh (locking lever 52), and with which an activating member is associated (activation lever 56).

Abstract: A back-rest hinge for a vehicle seat that has a seat support and a back-rest. The back-rest hinge has a swivel joint operatively interconnecting the seat support and the back-rest for variable inclination of the back-rest relative to the seat support. A locking mechanism permits adjusting an angle of inclination of the back-rest in relation to the seat support. A locking lever is hinged to the back-rest at a hinge point spaced from the swivel joint along a lengthwise direction of the back-rest. The locking lever has a locking portion which extends from the hinge point in a direction of the seat support that intersects a front edge of this seat support. The locking mechanism includes an interlock mechanism on the seat support, which interacts with the locking portion, and an activation device. The interlock mechanism is positionable between one position in which it is cooperatively engaged with the locking portion and another position in which it is disengaged from the locking portion.

Abstract: A vehicular seat back recliner hinge comprises first and second hinged members that are mutually rotatably arranged about a common pivot. The first member has a gear rack arranged thereon which is adapted to be engaged by a pinion spur gear. The pinion spur gear is fixed on an adjacent ratchet wheel spur gear in mutually dependent rotatable relation about a common concentric shaft secured on a second hinged member. A selected one of the above-mentioned shaft and pivot are eccentrically mounted on a rotatable bushing arranged on a corresponding one of the members. The bushing is operable to selectively position the pinion gear and the rack in first mutually proximal and second mutually spaced positions.

Abstract: An adjustable chair includes a base, a back and a chair control for pivotally connecting the back to the base for movement between a fully upright position and an inclined position. A cable actuated variable back stop mechanism includes a generally U-shaped bail or stop lever pivoted to the back. The bail is engageable with a stop on the chair base. A lock member is slideably mounted on the back. The lock member includes a front face defining a plurality of vertically spaced, generally parallel grooves. The grooves are dimensioned to receive the bail and hold the bail in one of a plurality of selected positions when the lock member is moved from an inoperative to an operative position. When in the operative position, the lock member prevents pivoting of the bail when it engages the stop on the base, hence, limiting tilting of the chair back.

Abstract: A novel reclining adjuster for a car seat is disclosed which is provided between the seat back and the side wall of the car body. A lock pin in engagement with a striker is positioned at the lower part of the seat back. The striker can be rotated by operating a knob to a certain extent so that the locked state of the seat back may be released.

Abstract: The present invention relates to a seat recliner adjustment mechanism for a wheelchair having an upper back rest frame pivotally mounted to a lower seat frame. The adjustment mechanism includes an elongate rack member pivotally mounted to the lower seat frame and having a plurality of spaced apart detent engaging means extending along one side thereof. A locking mechanism is mounted on the back rest frame and includes a detent element engageable with a selected one of the detent engaging means of the rack member for maintaining the back rest frame in a selected reclined position. The locking mechanism includes a wedge element normally biased in a locked position to urge the rack member into locking engagement with the detent element. The wedge element is moveable to a released position wherein the rack member is disengaged from the detent element to enable the back rest frame to pivot relative to the lower seat frame.

Abstract: A device for locking a seat back in desired predetermined positions comprises a slider 3 slidable in a slideway 2 provided in the seat base 1, 1' and pivoted at one end to a connecting rod 9 which connects the slider to the seat back 10, and locking pawl 6 fixed to an axle 21, to which is also fixed a handle 8. The slider and the pawl are provided with series of arcuate teeth 4, 4' and 5, 5' capable of meshing with one another, and the pawl is urged by a spring 7 into mesh with the slider, and can be disengaged manually from the slider by means of the handle 8.

Abstract: The invention concerns a seat hinge comprising a first flange integral with the sitting portion carrying a first toothed sector having axis A, a second flange integral with the seat back carrying a second toothed sector having axis B adapted to coact vertically with the first sector and a handle-rotary cam-bearing surface assembly for controlling the vertical movements of the flange. The first flange carries a third toothed sector having axis A diametrically opposed to the first sector and open likewise upwards, and the second flange carries another toothed sector having axis B diametrically opposed to the second sector, likewise open downwards, and adapted to coact with the third sector at the same time as the second sector coacts with the first sector. Preferred application: front vehicle seats.

Abstract: A seat hinge comprising a first flange 1, integral with the sitting portion, carrying a toothed sector 2, and a second flange 3, integral with the seat-back, carrying a toothed sector 5 able to vertically engage in the sector 2, further comprises a cam 16 rotatively mounted on flange 3 and coacting with the edges of an aperture 15 formed in flange 1 so as to successively obtain rocking movements of said cam around a point of said edge and jamming effects between spiral sections of said cam and said edge.

Abstract: A vehicle seat back support and, more particularly, a seat back support with provision for selective adjustment of the angular position between the seat cushion and the seat back. A seat cushion mounting member has a toothed sector in its upper, rearward edge portion. Below the toothed sector, a rotatable support shaft is mounted which includes an eccentric portion on which a seat back mounting member is pivotally mounted. The seat back mounting member includes a toothed portion adapted to engage or mesh with the toothed sector of the seat cushion mounting member. An actuation lever is attached to the rotatable support shaft to move the eccentric portion upward by rotation of the shaft. Resultantly, the seat back mounting member is moved upward and its toothed portion is disengaged from the toothed sector, thereafter permitting the seat back to be angularly adjusted with respect to the seat cushion.