Abstract: A seat slide apparatus for a vehicle includes a first rail provided with a limiting portion extending from an end of each of the first folded back wall portions at a predetermined position in a longitudinal direction of the first rail, a second rail provided with a first through-hole extending through each of the second side wall portions and a second through-hole extending through each of the adjacent second folded back wall portions, the through-holes facing in the width direction at a predetermined position in the longitudinal direction of the second rail, and locking members, each of which is inserted through the first through-hole and the adjacent second through-hole and bridges the second side wall portion and the adjacent second folded back wall portion in the width direction and blocks a movement of the limiting portion in directions the first rail and the second rail move relative to each other.

Abstract: A seat reclining apparatus for a vehicle includes a first arm including a guide wall, a second arm including internal teeth and being rotatably supported by the first arm, a pawl including external teeth which are engageable with and disengageable from the internal teeth, a cam engaging with the pawl for causing the pawl to advance and retract along a guide wall and for causing the internal teeth and the external teeth to mesh with and unmesh from each other as the cam rotates, a recessed portion recessed in a direction of an axis line of the second arm and including a restricting portion, an engaging portion restricting the external teeth and the internal teeth from meshing with each other by being in contact with the restricting portion, a hinge cam including a first shaft portion, a second shaft portion and a flange portion, and a biasing member.

Abstract: A vehicle seat frame is provided, wherein the back center frame of the seat back frame is of hollow, quadrangular prism shape. The connecting member includes a cylindrical outer cylinder portion, a ceiling portion projecting inwardly from one axial end of the outer cylinder portion and a flange portion projecting outwardly from the other axial end of the outer cylinder portion. The ceiling portion of the connecting member is fixed to an inner surface of one of the side plate portions of the back center frame and a surface of the outer cylinder portion side of the flange portion is fixed to an outer surface of the other of the side plate portions of the back center frame, and the other surface opposite to the surface of the outer cylinder portion side of the flange portion is connected to the bracket through the recliner.

Abstract: A seat reclining apparatus for a vehicle, includes a first arm, a second arm rotatably supported by the first arm, a pawl including external teeth engageable with internal teeth, a cam portion and plural pawl-side cam surfaces arranged at the cam portion, a cam including a cam surface engaging with the cam portion formed at the pawl, and a biasing member biasing the cam to rotate and causing the cam surface to press the cam portion in a radial direction. The plural pawl-side cam surfaces or the cam surface is configured in a manner that the plural pawl-side cam surfaces and the cam surface are in contact with each other when the external teeth and the internal teeth are in an engaged state and in a manner that clearances generated between each of the plural pawl-side cam surfaces and the cam surface in the radial direction are all uniform.

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

Abstract: A seat apparatus for a vehicle includes a longitudinal sliding mechanism including a first lower rail adapted to be fixed to a vehicle floor and extending in a longitudinal direction of the vehicle and a first upper rail slidably supported to the first lower rail, a width-directional sliding mechanism including a second lower rail mounted on the first upper rail and extending in a width direction of the vehicle and a second upper rail slidably supported to the second lower rail and adapted to be fixed to a seat frame member, and an attachment bracket extending in parallel to the second lower rail and including an upper wall portion and first and second engagement portions extending downwardly from the upper wall portion, facing each other in the longitudinal direction, and supported by the first upper rail, wherein the second lower rail is fixed between the first and second engagement portions.

Abstract: A sliding device for a vehicle, comprising a lock member received and attached within a section area of one of a first rail and a second rail mounted movably relative to the first rail, to extend in the rail axis direction of the one rail for locking the relative movement between the first and second rails; a manipulation lever attached to the lock member for moving the lock member to permit the relative movement between the first and second rails; a movement permitting portion formed on at at least one of the lock member and the rail attaching the lock member so that the relative movement between the lock member and the rail attaching the lock member in the rail axis direction is allowed with the lock member locking the relative movement; and a movement restraining portion formed on the rail attaching the lock member to restrain the movement in a lock release direction of the lock member after the relative movement at the movement permitting portion.

Abstract: A plurality of rolling members, which are retained by retainers between sidewall-portion inside operating surfaces formed on inside surfaces of sidewall portions of a lower rail and sidewall-portion outside operating surfaces formed on outside surfaces of sidewall portions of a first upper rail, roll in contact on the sidewall-portion inside operating surfaces and the sidewall-portion outside operating surfaces. Sidewall portions of a second upper rail are cut and raised at parts of only a predetermined length in a vehicle front-rear direction to be formed as rolling-element rolling portions having sidewall-portion outside operating surfaces. Rolling element circulation units each incorporating a plurality of rolling elements are fitted on the rolling-element rolling portions, so that the plurality of rolling elements roll and circulate in contact with the sidewall-portion inside operating surfaces and the sidewall-portion outside operating surfaces of rolling-element rolling portions.

Abstract: In a vehicle set slide device, a lower rail has a base portion extending in face-to-face relation with a vehicle floor, two first inside portions extending in close contact upward from a center part of the base portion, and lower hook portions extending outward from upper ends of both of the first inside portions each to take an inverted U-letter shape. An upper rail has vertical wall portions extending downward from both ends of a horizontal wall portion. Further, the upper rail is provided therein with a hook member which has joining portions joined with both of the vertical wall portions and extending downward and upper hook portions extending inward from lower ends of the joining portions each to take a U-letter shape. When a separation load against the lower rail is exerted on the upper rail, the lower hook portions and the upper hook portions are brought into engagements.

Abstract: A holder in a seat reclining device for vehicle has a body portion which comprises a cover wall slidably covering an end surface at an outer circumferential portion of an upper arm on an opposite side to a lower arm and a circumferential wall formed continuously with the cover wall and covering an outer circumferential surface of the lower arm, and fixed portions provided at an end of the circumferential wall and fixed by caulking on an end surface at an outer circumferential portion of the lower arm on an opposite side to the upper arm. The holder is formed with a plurality of load receiving portions cut and bent from the body portion to contact an end surface at the outer circumferential portion of the lower arm on the upper arm side for supporting a caulking load at the time of a fixing by caulking.

Abstract: A seat frame includes a projecting portion formed on a surface of a recliner to face a reinforcement plate, the projecting portion having a cross sectional shape with a recessed portion and a protruded portion in a rotational direction of the recliner, the reinforcement plate including a first through-hole for fitting the projecting portion, the upward-downward direction frame including a second through-hole larger than the first through-hole which extends within the second through-hole when the upward-downward direction frame and the reinforcement plate are overlaid, and a three-member welding portion formed by a periphery of the projecting portion, a periphery of the first through-hole, and a periphery of the second through-hole wherein the recliner, the reinforcement plate, and the upward-downward direction frame are welded with the projecting portion of the recliner fitting to the first through-hole of the reinforcement plate while the reinforcement plate and the upward-downward direction frame are overla

Abstract: A vehicle seat device is designed to perform tilt adjustment of a seat cushion in a construction which is high in rigidity, downsized and high in the quality of external appearance. The device comprises rotational links; floor attached front brackets and front swing links which make couplings between first joint portions of the rotational links and upper rails; flank brackets coupled to the rotational links at front portion thereof; floor attached rear brackets and rear swing links which make couplings between rear portions of the flank brackets and the upper rails; a front drive device secured to one of the flank brackets for rotationally driving the rotational links; and cushion frames coupled to the flank brackets and second joint portions of the rotational links respectively at rear portions and front portions thereof. The second joint portions and the cushion frames are coupled to respective both ends of cushion frame swing links.

Abstract: To be able to store a seat back and a seat cushion in line from front to back and be able to widely ensure space above a storage position of the seat cushion. In a rear seat (10), when a seat back (18) is rotated to a forwardly collapsed position in a state where a seat cushion (16) has been moved to a storage position, the seat back (18) and the seat cushion (16) are stored in parallel from front to back. Consequently, the seat back (18) and the seat cushion (16) can be thinly stored in an up-down direction of a vehicle. Moreover, the storage position of the seat cushion (16) is set on a rear lower side of a use position, so space above the storage position can be widely ensured.

Abstract: A slide apparatus for a vehicle includes first and second rails and a rolling element circulation unit including first and second cases and a plurality of rolling elements accommodated within a receiving portion that includes first and second annular receiving portions accommodating the rolling elements annularly arranged in a rolling and circulating manner. The second case includes elongated bores connected to the first and second annular receiving portions in a state where the second case is mounted at the second rail. A portion of the rolling elements is exposed from the elongated bores while being inhibited from disengaging from the elongated bores. The rolling elements exposed from the elongated bores make contact with an operating surface of the first rail and inner surfaces of the first and second annular receiving portions, and roll and circulate in association with a relative movement between the first and second rails.

Abstract: A vehicle seat slide device is provided, wherein a manipulation handle has a grip portion, acting end portions for operating lock/unlock mechanisms, shaft support portions which are between the acting end portions and the grip portion and which are formed to a flat shape to become parallel to vertical walls, and pivot support shafts protruding from the shaft support portions in a direction of the pivot center of the manipulation handle. The vertical walls have opened holding holes which open at front parts and into which the pivot support shafts are inserted from opened portions to be supported at inner parts, and holding members holding the pivot support shafts in the opened holding holds.

Abstract: A seat back frame for a vehicle for supporting a seat back, includes a first back frame, at which a shoulder belt anchor for supporting one end portion of a seat belt is provided, a second back frame arranged substantially in parallel with the first back frame, and a cross member connecting the first back frame and the second back frame, wherein a protruding portion or a recessed portion is formed at the cross member so as to extend in a longitudinal direction thereof, a first recessed surface portion or a first protruding surface portion is formed at the first back frame and a second recessed surface portion or a second protruding surface portion is formed at the second back frame so that the first back frame and the second back frame are fittedly connected to the protruding portion or the recessed portion of the cross member.

Abstract: A vehicle slide device is provided, which can adjustably move the second rail along the first rail without play therebetween in a front-rearward direction with a long adjustment stroke. In the vehicle slide device according to the invention, since a plurality of rolling elements annularly arranged in the attaching portion formed at the second rail are always in contact with the operating surface of the attaching portion and the operating surface of the first rail when the second rail moves relative to the first rail in a front-rearward directions, the play of the second rail relative to the first rail in up-down and right-left directions can be eliminated. Further, since the plurality of rolling elements roll and circulate at the attaching portion, the second rail can smoothly move in a front-rearward direction along the first rail.

Abstract: A seat cushion adjusting apparatus includes: a supporting member, forming a frame of a seat cushion; a seat member and forming an outer shape of the seat cushion; an adjusting member, engaging with an end portion of the seat member; a moving mechanism, rotatably connected to the adjusting member and moving the adjusting member in the front-rear direction of the seat relative to the supporting member; and an adjusting lever, one end thereof rotatably connected to the supporting member and the other end thereof rotatably connected to the adjusting member. The adjusting lever moves the end portion of the seat member by rotating the adjusting member around an axis to adjust the outer shape of the seat cushion in accordance with, a movement of the adjusting member in the front-rear direction of the seat relative to the supporting member by a means of the moving mechanism.

Abstract: A vehicle seat reclining apparatus is provided which is simple in construction and which is capable of pressing pawls by a cam at places close to meshing portions. To that end, a plurality of pawls 31 having outer gears 44, 47 which are disengageably engaged with an inner gear 23 provided on an internal surface of an upper arm 12 are constituted by a first pawl 31A having an inner cam portion 45 which is engaged with a cam surface 55 provided on an outer circumference of a cam 32, a pawl grooved cam portion 46 which is engaged with an engaging protrusion 57 provided on a side surface of the cam, and an engaging portion 43 which is brought into engagement with a protruding portion 25 provided on the internal surface of the upper arm when the upper arm is pivotally moved a predetermined angle relative to a lower arm 11 and second pawls 31B having engaging protrusions 49 engaged with release plate grooved cam portions 59 provided in a release plate 33.

Abstract: In a seat reclining device, which eliminates a gap between a plurality of pawls and a guide wall, a wedge member is provided between at least one of the plurality of pawls and the guide wall, and a cam includes a wedge pressing cam portion for relatively rotating an upper arm relative to a lower arm by pressing the wedge member outwardly in a radial direction. The wedge member is for example made by a spherical or wedge shaped plate like member.