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Yukifumi Yamada Patents
Inventor:
Yamada; Yukifumi
Address:
Toyota, JP
No. of patents:
70
Patents:


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Patent Number Title Of Patent Date Issued
RE37990 Seat sliding device February 18, 2003
In a seat sliding device, an upper rail slidably moveable relative a lower rail interlocks with the lower rail upon movement of the upper rail away from the lower rail. An upwardly inclined portion and a downwardly inclined portion can be provided on the upper rail and the lower rails,
7416255 Seat reclining apparatus for vehicle August 26, 2008
A seat reclining apparatus for a vehicle includes a first plate held at one of a seat cushion frame and a seatback frame, a second plate held at the other one of the seat cushion frame and the seatback frame, a pole having an external tooth facing the internal tooth, a first protrusion
7334843 Seat reclining apparatus for vehicle February 26, 2008
A seat reclining apparatus includes: a base plate fixed to a seat bottom or a seatback and including a plurality of guiding portions extending in a radial direction of the base plate; a gear plate fixed to the seat bottom or the seatback, the gear plate rotatably assembled at the base
7328877 Seat slide apparatus for a vehicle February 12, 2008
A seat slide apparatus for a vehicle includes a first rail fixedly mounted on a vehicle, a second rail secured to a seat and mounted to be rotatable relative to the first rail, a sliding member arranged between the first rail and the second rail and slidably movable in response to a rela
7318573 Seat sliding device January 15, 2008
A seat sliding device comprises a lower rail fixed at a stationary part and extending in a seat longitudinal direction, an upper rail fixed at a seat and slidably guided by the lower rail, a lock mechanism for locking and unlocking a slidable movement of the upper rail to the lower rail
7300091 Seat sliding device for vehicle November 27, 2007
A seat sliding device for a vehicle for unlocking or retaining an unlocked state of a movable rail that supports a seat relative to a fixed rail by interlocking with a turning of a seat back in a forward direction or an operation of an operation handle, includes a link mechanism provided
7284798 Vehicle-seat reclining device and production method therefor October 23, 2007
A vehicle-seat reclining device includes a seat cushion frame, a seat back frame, a first base plate, a second base plate, and an internal gear recessed in one surface of the second base plate. A fitting projection having an outline that is concentric and in phase with that of the in
7281749 Seat device for vehicle October 16, 2007
A vehicle seat device includes a right side link mechanism and a left side link mechanism adapted to be provided between a vehicle floor and a seat for supporting the seat to move upward and downward relative to the vehicle floor, a first actuator operatively engaged with the right side
7258400 Vehicle-seat retracting apparatus August 21, 2007
In a vehicle-seat retracting apparatus, a seating state is switched to a non-seating state by retracting a headrest and tilting a seat back relative to a seat cushion (lower arm). In association with retraction of the headrest, the tilting angle of the seat back with respect to the seat
7201447 Seat reclining device April 10, 2007
When a operation handle is operated so that one locking mechanism can be unlocked, one locking mechanism, the operation handle, the connecting mechanism and the other locking mechanism can be engaged each other and operate together, when the one seat back fixed to the seat belt is more
7195303 Seat sliding device for vehicle March 27, 2007
A seat sliding device for a vehicle for unlocking or retaining an unlocked state of a movable rail that supports a seat relative to a fixed rail by interlocking with a turning of a seat back in a forward direction or an operation of an operation handle, includes a link mechanism provided
7093901 Seat frame of a vehicle seat August 22, 2006
A seat frame of a vehicle seat includes a seat cushion frame on a seat cushion side, a seat back frame on a backrest side, and a reclining device provided between the seat back frame and the seat cushion frame for adjusting an angle of incline of the seat back frame relative to the s
7059679 Seat device June 13, 2006
A seat device includes a seat movable between a seating state and a non-seating state, a sliding device for adjusting the seat to a position in a seating range where the seat becomes the seating state and in a non-seating range where the seat becomes the non-seating state, the slidin
7014265 Seat device for vehicle March 21, 2006
A seat device for a vehicle comprises a reclining mechanism including a fixed member and a movable member and supporting the movable member rotatably relative to the fixed member, an operation lever moved from an initial position thereof to an operating position thereof, a base member,
6953178 Seat slide device for vehicle October 11, 2005
A seat slide device which includes a lower rail fixed to a vehicle floor, an upper rail fitted into the lower rail to be slidable relative to the lower rail for supporting a seat, a lock device for fixing the upper rail at an arbitrary position of the lower rail, a lock lever provided in
6863330 Seat apparatus for a vehicle March 8, 2005
A seat device adapted to be fixed to engagement members on a vehicle floor includes a first engagement member supporting a front portion of the seat device, a second engagement member supporting a rear portion of the seat, a first lock engagable with the first engagement member, a second
6755471 Seat device June 29, 2004
A seat device which includes a seat cushion frame provided in a seat cushion, a seatback frame provided in a seatback, an upper arm connected to the seatback frame, a lower arm rotatably connected to the upper arm and connected to the seat cushion frame, a lock mechanism for locking a
6715835 Seat reclining apparatus April 6, 2004
To provide a smaller sized seat reclining apparatus, the seat reclining apparatus includes an outer gear portion, a first engaging portion which is formed at a pawl and which is capable of being engaged with a mesh regulation portion, a second engaging portion which is formed at the pawl
6698835 Seat support mechanism of vehicles March 2, 2004
A structure for supporting a vehicle seat, which includes a seatback. The seat is slidable relative to a floor of the vehicle, and the seatback inclines forward with respect to the seat. The structure holds the seat in a stable state when the seatback is used as a table. The structure
6691971 Seat slide device February 17, 2004
A seat slide device for a vehicle includes a lower rail, an upper rail and a shoe. The shoe includes a base portion attached to an engaging portion of one of the rails and a slide portion slidable along an engaged portion of the other rail. The slide portion and the base portion are inte
6688574 Seat sliding device for a vehicle February 10, 2004
A vehicle seat sliding device includes a lower rail adapted to be fixed to the floor of the vehicle, an upper rail adapted to be fixed to the vehicle seat and mounted on the lower rail for forward and rearward movement, and a releasable lock mechanism disposed between the lower rail and
6641217 Seat recliner for vehicle November 4, 2003
A seat recliner for a vehicle includes a lower arm adapted to be fixed to a seat cushion, an upper arm adapted to be fixed to a seat back and rotatably supported by the lower arm, a pawl slidably supported by the lower arm, an inner gear portion formed at the upper arm for engagement by
6631879 Seat apparatus vehicle October 14, 2003
A seat apparatus for a vehicle includes a seat portion having a seat cushion, a seat slide mechanism for adjusting the position of the seat portion back and forth, and a lock mechanism adapted to effect locking engagement of the seat portion with a striker fixedly arranged relative to
6626495 Seat reclining device September 30, 2003
A seat reclining device has a first arm member adapted to be secured to the seat cushion frame or the seat back frame, a second arm member rotatably supported by the first arm member and adapted to be secured to the other of the seat cushion frame and the seat back frame, and a plurality
6578921 Seat reclining device June 17, 2003
A seat reclining device has an external gear member and an internal gear member positioned in opposing relation, and a stopper member between the opposing gear members for regulating the reclining movement of the backrest relative to the seat cushion. The stopper member includes a first
6543849 Reclining angle adjustment system April 8, 2003
A reclining angle adjustment mechanism which is capable of adjusting a reclining angle of a seat-back relative to a seat-cushion in a seat includes a pair of seat reclining devices provided at either side of the seat which are connected by way of a connecting shaft. The connecting sh
6478358 Seat device for a vehicle November 12, 2002
A seat device for a vehicle includes a seat apparatus rotationally mounted on the floor of the vehicle to permit the seat apparatus to move between a first position in which the seat apparatus is adjacent the floor of the vehicle and a turned over position in which the seat apparatus is
6474740 Seat reclining device for a vehicle November 5, 2002
A seat reclining device for a vehicle includes a lower arm adapted to be fixedly arranged on a seat cushion member, an upper arm rotatably arranged with respect to the lower arm and adapted to be fixed on a seat back member, and a locking mechanism for locking the upper arm relative to t
6435610 Vertical movement apparatus for vehicle seat August 20, 2002
A vertical movement apparatus for a vehicle seat includes a first bracket adapted to be secured on a floor side member, a second bracket arranged to be adjustable relative to the first bracket, a sector gear disposed between the first bracket and the second bracket, and a braking mechani
6435465 Seat adjuster August 20, 2002
A step-wise seat adjuster for automotive vehicles is made up of a stationary lower guide rail adapted to be mounted to a vehicle floor, and a movable upper guide rail adapted to be mounted to a vehicle seat and capable of lengthwise sliding movement relative to the stationary lower g
6416130 Seat slide apparatus July 9, 2002
A seat slide apparatus includes an upper rail smoothly slidable relative to a lower rail without using any balls. A part of the convex portion of the lower rail made of lightweight metal alloy material contacts the flange portions of the steel-made upper rail with an elastic spring force
6386637 Seat structure for vehicles May 14, 2002
To maintain rigidity of a seat cushion frame at a seating position, an operating member (14) is axially supported pivotably by a lower arm (3) and a position of a wheel capable of pressing a floor is changed in accordance with a pivoting angle of the operating member (14).
6386499 Seat slide device for a vehicle May 14, 2002
A seat slide device for a vehicle includes a lower rail fixed on the floor of the vehicle, and an upper rail slidably supported on the lower rail through intermediately located members such as rollers and balls. The upper rail has a horizontal portion possessing an outer face adapted to
6375268 Seat frame assembly April 23, 2002
A seat frame for supporting a pad formed in a predetermined shape and engaging with a skin for covering the pad includes a first roll formed frame having a closed rectangular cross sectional shape and wholly formed so as to extend along a front edge and both side edges of the pad and a
6349914 Seat slide device for vehicles February 26, 2002
A seat slide device for vehicles includes a first and second rows of locking teeth which are formed along the longitudinal direction of the rail on a lower rail, a first flange portion which is formed on the locking lever opposed to the first row of locking teeth and is provided with
6341819 Seat slide device for a vehicle January 29, 2002
A seat device for a vehicle includes a seat slide device supporting a vehicle seat relative to the vehicle floor at a position that is slidably adjustable in a back and forth direction on the vehicle floor, a lock plate engageable with the seat slide device to hold the seat at a position
6290198 Seat lifter device for a vehicle September 18, 2001
A seat lifter device for a vehicle includes a reduction gear mechanism which is disposed between an operating member and a link which is adapted to be pivoted to raise and lower the vehicle seat. The reduction gear mechanism is mounted on a shaft and a spring is provided for assisting th
6276650 Seat structure for vehicles August 21, 2001
To promote strength of lower arms for coupling rail members and a seat frame, each of the lower arms (4) is installed with a bead portion (21), a first recess portion (24) and a flat face portion (23) and the first recess portion (24) is made to be freely brought into contact with a
6260923 Seat reclining mechanism for vehicles July 17, 2001
There is disclosed a device for reclining a seat such that a pawl can be held with certainty at a distance from a ratchet. A pin and a cam slot are provided between the ratchet and the pawl to limit sliding movement of the pawl toward the ratchet, thus maintaining the pawl in disengageme
6234574 Automobile seat supporting apparatus May 22, 2001
To be able to firmly fix a seat to a floor when the seat is elevated relative to the floor, a pair of hooks are installed at a hook portion of a base member and the two hooks are made engageable to a pair of strikers on the floor.
6203091 Seat device for a vehicle March 20, 2001
A vehicle seat device includes a lower rail fixed on a vehicle floor, a seat supporting member slidably supported on the lower rail and possessing a flat portion at its front upper part and a flange extending inwardly at its rear part, and a seat cushion frame having horizontal flat port
6189975 Seat frame assembly February 20, 2001
A seat frame supporting a seat cushion pad formed in a predetermined shape and engaging a skin for covering the pad includes a first roll formed frame having a closed rectangular cross sectional shape and formed so as to extend along the front edge and both side edges of the pad and a se
6176460 Seat sliding apparatus for a vehicle January 23, 2001
A seat sliding apparatus for a vehicle includes a pair of lower rails for being fixed to a vehicle floor, and a pair of upper rails for being fixed to a vehicle seat each of which is slidably retained on a respective lower rail. Each upper rail includes a base plate portion for being fix
6149237 Vehicular seat structure November 21, 2000
To reduce the gap between the floor portion of a cargo compartment in a vehicle and a seat back when the cargo compartment is enlarged by forwardly bringing down the seat back of the passenger seat adjoining the driver or a rear seat, a vehicular seat structure is designed so that when
6123379 Locking mechanism for vehicles September 26, 2000
A locking mechanism used in a vehicle for locking and unlocking a movable structure to a fixed structure includes a base plate secured on the movable structure, a striker secured on the fixed structure, a latch rotatably supported on the base plate to engage the striker, and a pawl r
6092874 Seat reclining apparatus July 25, 2000
A supporting structure between an upper arm and a lower arm is provided in a simple and compact manner. There comprises a recess portion formed in one of the lower arm and the upper arm in a partial pressing manner and provided with a bearing portion and an internal tooth portion constit
6007152 Seat reclining mechanism for vehicles December 28, 1999
A pawl and a ratchet are more firmly engaged with each other. A seat reclining mechanism has a cam surface formed in a lower arm and brought into contact with one of pawls so as to move a cam in a radial direction and press the other pawls in an engaging direction with the ratchet.
5975611 Vehicle seat unit November 2, 1999
A vehicle seat unit with a forwardly tiltable seat cushion which is easy to handle and which is capable of being fastened securely to a vehicle floor. A pair of hook members provided at the rear portion of the seat cushion are engageable with and disengageable from a pair of strikers fix
5967604 Vehicle seat apparatus October 19, 1999
A seat apparatus for a vehicle includes a seat cushion for being secured to a vehicle floor, a seat back arranged on a rear portion of the seat cushion, a sliding unit mounted on the seat cushion to permit the vehicle seat to slide relative to the vehicle floor, a pair of front brackets
5863098 Seat height adjusting device January 26, 1999
A seat height adjusting device. A rail member is fixed to a floor. A lift link is rotatably connected to the rail member. A lower lift arm is connected to a seat cushion, the lift link, and the rail member through a link member. An upper arm is connected to a seat back and rotatably
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