Patent application number | Description | Published |
20080238126 | VEHICLE SEAT SLIDE DEVICE - A vehicle seat slide device includes lower rails, upper rails, screw shafts, nut members, an electric motor and a transmission mechanism. The transmission mechanism is composed of a drive reduction gear mechanism coupled directly to an output shaft of the electric motor, a pair of left and right direction conversion gear mechanisms coupled directly to the screw shafts, and a transmission shaft arranged to pass through an output gear of the drive reduction gear mechanism to be rotatably bodily with the output gear and coupled at opposite ends thereof to respective input gears of the direction conversion gear mechanisms. A lean force bracket is further provided to be secured at opposite ends thereof to the upper rails and supports the drive reduction gear mechanism and both of the direction conversion gear mechanisms. | 10-02-2008 |
20080238167 | DRIVE MECHANISM FOR POWER SEAT APPARATUS FOR VEHICLE - According to an aspect of the present invention, a drive mechanism for a power seat apparatus for a vehicle includes an electric motor, a speed-reduction gear mechanism, a gear housing for housing therein the speed-reduction gear mechanism and supporting thereto the electric motor, the gear housing including a housing body having an accommodating space, a cover mounted to the housing body, and a retaining member provided on the housing body for fixedly retaining the cover on the housing body by rotating the cover relative to the housing body upon assembly, and a bracket through which the gear housing is supported by the driven member, the bracket including a receiving portion and a rotation-restricting surface. | 10-02-2008 |
20090085390 | POSITIONING APPARATUS OF SEAT FOR VEHICLE - A positioning apparatus of a seat for a vehicle includes a first frame adapted to be supported by a member provided on a vehicle floor and adapted to support a seat cushion, a second frame rotatably supported by the first frame and vertically rotatably supporting the seat cushion, a link member rotatably supported by the first frame and linked to the second frame for rotatably moving the second frame relative to the first frame, and a rotational member rotatably supported by the first frame and including an eccentric shaft portion, wherein the eccentric shaft portion has a first rotational portion including a first rotational center about which the second frame rotates relative to the first frame and a second rotational portion including a second rotational center about which the rotational member rotates relative to the first frame and which is eccentrically provided relative to the first rotational center. | 04-02-2009 |
20090218868 | SEAT LIFTING APPARATUS - A seat lifting apparatus includes a seat cushion frame pivotally moving about a pivot center provided at a lower frame, a driven gear having a first end portion engaged with a driving gear connected to a driving mechanism, a pivotal link member provided between a second end portion of the driven gear and the seat cushion frame for absorbing a deviation between a locus of the second end portion of the driven gear and an arc-shaped locus of the seat cushion frame, and a side frame plate pivotally supported by the lower arm about the pivot center for supporting the seat cushion frame and including a sidewall portion arranged to be parallel with an operational plane of the driven gear and the pivotal link member. The pivotal link member and the side surface portion of the side frame plate are engaged with each other at plural portions. | 09-03-2009 |
20090236488 | POWER SEAT SLIDE APPARATUS - A power seat slide apparatus includes a lower rail, an upper rail supported by the lower rail and having a pair of walls, a lead screw member rotatably supported by the upper rail, a lead screw nut member provided at the lower rail and threadedly engaged with the lead screw member, an output rotation member provided at the upper rail and connected to the lead screw member, a gearbox rotatably supporting the output rotation member, a drive unit transmitting a rotational drive force to the lead screw member via the output rotation member, and a pair of cut-and-bent-away portions, each cut-and-bent-away portion being formed on each of the walls of the upper rail and being arranged at positions to face the lead screw nut member and to contact the lead screw nut member at stroke ends of the upper rail in a front-rear direction thereof. | 09-24-2009 |
20090243327 | FEEDING APPARATUS - A feeding apparatus includes a screw shaft, a feeding nut, a supporting member, a driving unit, an intermediate member supported by the screw shaft and arranged to be rotatable relative to the supporting member, and an elastic biasing mechanism. The intermediate member includes a radial sliding contact surface slidably contacting a radial bearing surface of the supporting member, first and second thrust sliding contact surfaces contacting first and second thrust bearing surfaces formed at the supporting member, respectively. The elastic biasing mechanism elastically biases the first and second thrust sliding contact surfaces of the intermediate member to contact the first and second thrust bearing surfaces, respectively, and further elastically biases the intermediate member to a thrust receiving member provided at the screw shaft for assembling the intermediate member and the thrust receiving member onto the screw shaft without a clearance between the intermediate member and the thrust receiving member. | 10-01-2009 |
20100044542 | FEEDER DEVICE - The feeder device includes a screw attached to one of a fixed member and a movable member relatively movably supported by the fixed member, a support member attached to the other one of the fixed and movable members and including a hole into which the screw is inserted, a nut member disposed inside the support member and including a nut with a female screw with which a male screw provided at the screw engages, the nut member being relatively movable in an axial direction, an elastic case disposed between the nut member and the support member, the elastic member including a hole, axial center of which is the same with the female screw and elastically holding the male screw at an inner peripheral surface and a pressure-contact surface elastically holding the nut member by pressure contact therewith and a drive device for drivingly rotating the screw or the nut. | 02-25-2010 |
20100051776 | SEAT SLIDING APPARATUS FOR VEHICLE - A seat sliding apparatus for a vehicle includes lower rails, upper rails, screw mechanisms provided between the upper rails and the lower rails, the screw mechanism including a screw shaft and a nut which is engaged with the screw shaft, one of the screw shaft and the nut being mounted to the upper rail so as to rotate, the other of the screw shaft and the nut being fixedly mounted to the lower rail, and a slide driving mechanism including a driving motor, a transmission mechanism for transmitting a rotational force outputted from the driving motor to one of the screw shaft and the nut so as to rotate, a bracket having the driving motor and the transmission mechanism mounted thereon and connecting the upper rails, and a protection cover attached to the bracket for covering at least lower and bottom sides of the driving motor and the transmission mechanism. | 03-04-2010 |
20100060061 | POWER SEAT DRIVING APPARATUS FOR VEHICLE - A power seat driving apparatus for a vehicle includes a moving unit and a decelerating mechanism. The deceleration mechanism includes a driving gear, a driven gear engaging with the driving gear and driven to rotate while decelerating a rotational speed of the driving gear, a supplemental gear coaxially connected to the driven gear in an interlocking manner, made of a resin material having elasticity and lower rigidity than the driven gear, having a larger tooth thickness than a tooth thickness of the driven gear by an amount corresponding to a backlash, and engaging the driving gear together with the driven gear, and a housing accommodating and rotatably supporting the driving gear, the driven gear and the supplemental gear. | 03-11-2010 |
20100060062 | POWER SEAT DRIVING APPARATUS FOR VEHICLE - A power seat driving apparatus for a vehicle includes a moving unit and a decelerating mechanism, wherein the decelerating mechanism includes a driving gear to which a driving force is inputted, a driven gear engaged with the driving gear so as to be rotatably driven by the driving gear while decelerating a rotational speed of the driving force transmitted thereto, and a housing, at least one of the driving gear and the driven gear includes a shaft portion and a gear portion including a tooth portion, which engages with a tooth portion of the other one of the driving gear and the driven gear, an annular recessed portion is formed at a stepped portion between the gear portion and the shaft portion, the annular recessed portion, and the housing includes a bearing bore having a bearing surface and an annular protruding portion, which is fitted into the annular recessed portion. | 03-11-2010 |
20100065708 | POWER SEAT APPARATUS FOR VEHICLE - A power seat apparatus for a vehicle includes a lower rail, an upper rail, a screw member, a feed nut member fixed to the lower rail and meshed with the screw member, a retention member fixed to the upper rail, a fitting member rotatably held by the retention member and fixed to the screw member, a gear box mounted on the retention member and rotatably supporting an output rotation member, a drive unit transmitting a rotation drive force to the screw member, and first and second cut-and-lifted portions formed at first and second longitudinal walls of the upper rail respectively, the cut-and-lifted portions making contact with the fitting member when a load is applied to the screw member in an axial direction thereof to distribute the load to the upper rail, the cut-and lifted portions being formed by bending portions of the first and second longitudinal walls. | 03-18-2010 |
20100242650 | DRIVING FORCE TRANSMITTING DEVICE AND VEHICLE SEAT SLIDE DEVICE - A driving force transmitting device having a direction changing gear mechanism which transmits a rotation torque from a drive shaft to a driven shaft having an axis extending in a direction different from a direction of an axis of the drive shaft. The direction changing gear mechanism includes an output, an input gear attached to the drive shaft for restricting a relative rotation and engaged with the output gear, a gear housing rotatably supporting the output gear and the input gear under engagement condition, wherein one of the output gear and the input gear is provided with a rotation phase adjusting portion exposed outside for adjusting a rotation phase of the output gear relative to a rotation phase of the second engagement portion of the driven shaft upon the output gear being assembled to the driven shaft. | 09-30-2010 |
20100288903 | SCREW CONFIGURATION OF SEAT APPARATUS FOR VEHICLE - A screw configuration of a seat apparatus for a vehicle includes a screw member axially rotatably supported at one of a lower rail adapted to be mounted on a floor of the vehicle and an upper rail slidably supported at the lower rail and adapted to support a seat for the vehicle, extending in a sliding direction of the upper rail, including a protruding portion configured by two raised portions formed to be raised at an outer circumferential surface of the screw member from both sides in an axial direction of the screw member by cold rolling so as to be coupled and to contact each other, and positioned in the axial direction of the screw member by means of the protruding portion, and a transmitting nut member fixed to the other one of the lower rail and the upper rail so that the screw member is screwed there through. | 11-18-2010 |
20100300228 | SPEED REDUCTION DEVICE FOR POWER SEAT - A speed reduction device for a power seat adapted to be fixed to a seat frame, the speed reduction device includes a worm gear rotating with a motor output shaft, a helical gear meshed with the worm gear and rotating with a drive shaft driving a movable portion of the power seat, and a casing accommodating the worm gear and the helical gear. The casing includes a casing body rotatably supporting the worm gear, a casing cover tightened to the casing body, annular fitting portions fitted to each other, a first engagement portion formed at an outer circumferential side of the annular fitting portion of one of the casing body and the casing cover, a second engagement portion formed at the other of the casing body and the casing cover and engaging with the first engagement portion, and a tightening means tightening the casing cover to the casing body. | 12-02-2010 |
20110023643 | SPEED REDUCTION DEVICE FOR POWER SEAT - A speed reduction device for a power seat includes a worm gear, a helical gear, a casing including a casing body and a casing cover, and a motor fixation device. The motor fixation device includes a first fitting portion provided at a housing, a first engagement portion formed at the first fitting portion, a second fitting portion formed at the casing body and to which the first fitting portion is fitted, a second engagement portion formed at the second fitting portion and arranged to overlap the first engagement portion in a direction perpendicular to the output shaft of the motor in a case where the first fitting portion is fitted to the second fitting portion, and an engagement projection formed at the casing cover and engaging with the first engagement portion and the second engagement portion in a case where the casing cover is tightened to the casing body. | 02-03-2011 |
20110031774 | SEAT SLIDE APPARATUS FOR VEHICLE - A seat slide apparatus for a vehicle includes: a plurality of lower rails adapted to be fixed at a floor of the vehicle in an inclining manner relative to the floor of the vehicle; a plurality of upper rails adapted to be slidably supported by the lower rails, respectively, and to support a seat for the vehicle; a motor generating a driving force for moving the upper rails in a manner where the upper rails slide relative to the corresponding lower rails; a transmitting mechanism transmitting the driving force of the motor to the upper rails; and at least one slide-resistance applying portion provided in the transmitting mechanism and applying an increased slide resistance to the transmitting mechanism when the upper rails move to slide downwardly on the inclination while applying a decreased slide resistance to the transmitting mechanism when the upper rails move to slide upwardly on the inclination. | 02-10-2011 |