Patents by Inventor Hideo Nihonmatsu
Hideo Nihonmatsu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20080143093Abstract: A seat belt buckle rotation angle restriction mechanism includes a shaft portion fixed to one of the seat support member and the buckle support member, a bearing portion provided at the other one of the seat support member and the buckle support member, the bearing portion accommodating the shaft portion in such a manner that the shaft portion is rotatable, at least two rotational side surfaces provided at one of outer contact surfaces of the shaft portion and inner contact surfaces of the bearing portion, the two rotational side surfaces being symmetric about a rotational center of the buckle support member, and at least two block side surfaces provided at the other one of the outer contact surfaces and the inner contact surfaces, the two block side surfaces being symmetric about the rotational center, each block side surface forming a predetermined angle with each rotational side surface.Type: ApplicationFiled: December 12, 2007Publication date: June 19, 2008Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Yasuhiro KOJIMA, Hideo Nihonmatsu, Mikihito Nagura
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Publication number: 20080048086Abstract: A seat slide apparatus for a vehicle includes a lower rail, an upper rail, a lock mechanism releaseably locking the upper rail relative to the lower rail, and a belt anchor bracket fixedly provided to the upper rail and attached with a belt anchor. The belt anchor bracket includes a rail fixing portion having a plane surface being parallel to the upper surface of the upper rail and attached to the upper surface of the upper rail, a load distribution portion downwardly extending from the rail fixing portion and being adjacent to an upper surface of the lower rail, and an anchor fixing portion upwardly extending from the rail fixing portion for anchoring the belt anchor.Type: ApplicationFiled: August 13, 2007Publication date: February 28, 2008Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Yasuhiro KOJIMA, Hideo Nihonmatsu, Mikihito Nagura
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Publication number: 20080048087Abstract: A seat sliding apparatus for a vehicle includes a lower rail including a base bottom portion, first inner and outer side portions, upper portions, and second inner and outer side portions, an upper rail movably supported relative to the lower rail and including a base top portion, first inner and outer extending portions, connecting portions, and second inner and outer extending portions, a lock mechanism including a lock portion provided at the first inner side portion, a bracket, and a lock member engageable with and disengageable from the lock portion, a cutout portion formed across the base top portion and the first inner extending portion and into which the lock member is inserted, and through-holes provided at the second inner extending portion and the bracket, respectively, the through-holes into which the lock member is inserted while the lock member is engaging with the lock portion.Type: ApplicationFiled: August 13, 2007Publication date: February 28, 2008Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Yasuhiro KOJIMA, Hideo Nihonmatsu, Mikihito Nagura
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Publication number: 20080048476Abstract: A seat slide apparatus for a vehicle includes a lower rail, an upper rail, and a lock mechanism. The lock mechanism includes a lock portion provided at the lower rail, a lock member which is engageable with and disengageable from the lock portion and a first biasing member for biasing the lock member in a direction to be engaged with the lock portion. The seat slide apparatus for a vehicle further includes a releasing lever for releasing the lock member from being engaged with the lock portion and a second biasing member for maintaining the releasing lever at a neutral position. According to the seat slide apparatus for the vehicle, the first biasing member and the second biasing member are integrally formed.Type: ApplicationFiled: August 20, 2007Publication date: February 28, 2008Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Yasuhiro Kojima, Hideo Nihonmatsu, Mikihito Nagura
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Patent number: 7328877Abstract: 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 relative movement between the first rail and the second rail, and a lock member associated with the second rail and movable with the second rail, the lock member provided to be engageable with engagement bores provided at the first rail and the second rail and being biased in a direction to be engaged with the engagement bores, the lock member being accommodated in a space defined by the first rail and the second rail.Type: GrantFiled: December 20, 2005Date of Patent: February 12, 2008Assignee: Aisin Seiki Kabushiki KaishaInventors: Yukifumi Yamada, Hideo Nihonmatsu
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Patent number: 7318573Abstract: 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 in order to adjust a position of the seat relative to the stationary part, the lock mechanism being attached at the upper rail, and a memory mechanism for returning the seat, which has moved to a forefront seat position from an occupant's seated position during a walk-in operation, to the occupant's seated position, the memory mechanism having a memory rail positioned at a distance from at least one of the lower rail and the upper rail and a memory slide configured to be fixed to the memory rail and to be slidably movable relative to the memory rail.Type: GrantFiled: November 1, 2004Date of Patent: January 15, 2008Assignee: Aisin Seiki Kabushiki KaishaInventors: Yukifumi Yamada, Hideo Nihonmatsu
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Publication number: 20080001458Abstract: A seat reclining apparatus includes a fine angle adjustment mechanism for finely adjusting an angle between a seat cushion and a seat back of a seat and including a planetary gear mechanism having a first gear provided to a seat cushion side of the seat for relative rotation with the seat cushion and a second gear fixed to a seat back side of the seat and an engaging/disengaging mechanism for controlling the relative rotation between the seat cushion and the seat back of the seat and including a base plate fixed to the seat cushion side and a stopper member provided to the base plate and engageable with or disengageable from the first gear. The relative rotation of the first gear with respect to the seat cushion is restricted when the stopper member engages with the first gear and the relative rotation of the first gear to the seat cushion is allowed when the stopper member disengages from the first gear.Type: ApplicationFiled: July 27, 2005Publication date: January 3, 2008Applicant: Aisin Seiki Kabushiki KaishaInventors: Naoaki Hoshihara, Sadao Ito, Hideo Nihonmatsu
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Patent number: 7314242Abstract: A vehicle rail fixed to a vehicle floor for relatively movably supporting a movable rail fixed to a seat includes a bottom wall member having a drawing portion at which the vehicle rail is fixed to the vehicle floor, and a guide member provided in a standing manner at both sides of the bottom wall member in a width direction for guiding a movement of the movable rail, the guide member being integrally formed with the bottom wall member by means of welding.Type: GrantFiled: February 17, 2006Date of Patent: January 1, 2008Assignee: Aisin Seiki Kabushiki KaishaInventors: Satoshi Masunaga, Hideo Nihonmatsu
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Patent number: 7300091Abstract: 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 at one of a pair of rails which are arranged in parallel with each other by keeping a predetermined distance therebetween and a lock mechanism provided at the other one of the pair of rails. After the seat is moved in the forward direction with the seat back being turned forward, the link mechanism makes the lock mechanism inoperative so that the seat can be moved in a rearward direction regardless of a state of the seat back being positioned in the forward.Type: GrantFiled: December 14, 2006Date of Patent: November 27, 2007Assignee: Aisin Seiki Kabushiki KaishaInventors: Hideo Nihonmatsu, Yasuhiro Kojima, Yukifumi Yamada
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Patent number: 7281749Abstract: 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 link mechanism for operating the right side link mechanism, a second actuator operatively engaged with the left side link mechanism for operating the left side link mechanism, and a controller for controlling the first actuator and the second actuator separately.Type: GrantFiled: November 10, 2004Date of Patent: October 16, 2007Assignee: Aisin Seiki Kabushiki KaishaInventors: Yukifumi Yamada, Sadao Ito, Hideo Nihonmatsu
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Publication number: 20070145762Abstract: 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 at one of a pair of rails which are arranged in parallel with each other by keeping a predetermined distance therebetween and a lock mechanism provided at the other one of the pair of rails. After the seat is moved in the forward direction with the seat back being turned forward, the link mechanism makes the lock mechanism inoperative so that the seat can be moved in a rearward direction regardless of a state of the seat back being positioned in the forward.Type: ApplicationFiled: December 14, 2006Publication date: June 28, 2007Inventors: Hideo Nihonmatsu, Yasuhiro Kojima, Yukifumi Yamada
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Publication number: 20070096529Abstract: A recliner apparatus for a vehicle seat having a seat cushion and a seat back includes a first member attached to the seat cushion side, a second member attached to the seat back side and relatively rotatable to the first member, a return spring for biasing the seat back forward or backward relative to the seat cushion and a clutch mechanism provided between the first member and the second member and operated by centrifugal force action concurrent with a rotational operation of the second member for giving rotational resistance to the second member.Type: ApplicationFiled: October 11, 2006Publication date: May 3, 2007Applicant: Aisin Seiki Kabushiki KaishaInventors: Yasuhiro Kojima, Hideo Nihonmatsu
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Patent number: 7195303Abstract: 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 at one of a pair of rails which are arranged in parallel with each other by keeping a predetermined distance therebetween and a lock mechanism provided at the other one of the pair of rails. After the seat is moved in the forward direction with the seat back being turned forward, the link mechanism makes the lock mechanism inoperative so that the seat can be moved in a rearward direction regardless of a state of the seat back being positioned in the forward.Type: GrantFiled: February 23, 2005Date of Patent: March 27, 2007Assignee: Aisin Seiki Kabushiki KaishaInventors: Hideo Nihonmatsu, Yukifumi Yamada
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Publication number: 20070046090Abstract: A seat reclining device includes a spiral spring made of a wire and formed in a spiral shape having a first engaged portion and a second engaged portion, a first engaging member engaging the first engaged portion, and a second engaging member engaging the second engaged portion, wherein one/each of the first engaging member and the second engaging member includes an extending direction supporting member supporting the first engaged portion and/or the second engaged portion, from the opposite end side of the wire in an extending direction thereof, a first supporting member supporting the first engaged portion and/or the second engaged portion from outside of the wire, and a second supporting member supporting the first engaged portion and/or the second engaged portion from inside of the wire in a normal direction thereof.Type: ApplicationFiled: August 23, 2006Publication date: March 1, 2007Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Yukifumi Yamada, Hideo Nihonmatsu
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Publication number: 20060186688Abstract: A vehicle rail fixed to a vehicle floor for relatively movably supporting a movable rail fixed to a seat includes a bottom wall member having a drawing portion at which the vehicle rail is fixed to the vehicle floor, and a guide member provided in a standing manner at both sides of the bottom wall member in a width direction for guiding a movement of the movable rail, the guide member being integrally formed with the bottom wall member by means of welding.Type: ApplicationFiled: February 17, 2006Publication date: August 24, 2006Inventors: Satoshi Masunaga, Hideo Nihonmatsu
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Publication number: 20060131470Abstract: 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 relative movement between the first rail and the second rail, and a lock member associated with the second rail and movable with the second rail, the lock member provided to be engageable with engagement bores provided at the first rail and the second rail and being biased in a direction to be engaged with the engagement bores, the lock member being accommodated in a space defined by the first rail and the second rail.Type: ApplicationFiled: December 20, 2005Publication date: June 22, 2006Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Yukifumi Yamada, Hideo Nihonmatsu
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Patent number: 7014265Abstract: 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, a latch member, a memory member being engageable with the latch member and rotatably supported by the base member so as to be rotated relative to the base member integrally with the latch member when the memory member is engaged with the latch member, an actuating member coupled to the movable member so as to be rotated in conjunction with the rotation of the movable member relative to the fixed member at the outside of the regular angle range, and an engaging member coupled to the actuating member, held at a disengaged position relative to the operation lever when the movable member is within the regular angle range and moved to an engaging position relative to the operation lever when the movable member is outside of the reguType: GrantFiled: October 12, 2004Date of Patent: March 21, 2006Assignee: Aisin Seiki Kabushiki KaishaInventors: Yukifumi Yamada, Hideo Nihonmatsu
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Patent number: 6959900Abstract: A powered seat sliding apparatus includes a sliding mechanism having a lower rail and an upper rail being movable in a lengthwise direction relative to the lower rail, a feed screw fixedly supported by the upper rail to be rotated around a rotational axis in the lengthwise direction in response to a rotational force of a motor, a slit train provided at both side portions of the lower rail in the lengthwise direction and being engaged with the feed screw, and a feeding mechanism defined between the feed screw and the slit train so as to slidably move the upper rail relative to the lower rail.Type: GrantFiled: August 23, 2002Date of Patent: November 1, 2005Assignee: Aisin Seiki Kabushiki KaishaInventors: Naoaki Hoshihara, Sadao Ito, Genta Moriyama, Hideo Nihonmatsu
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Publication number: 20050184551Abstract: 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 at one of a pair of rails which are arranged in parallel with each other by keeping a predetermined distance therebetween and a lock mechanism provided at the other one of the pair of rails. After the seat is moved in the forward direction with the seat back being turned forward, the link mechanism makes the lock mechanism inoperative so that the seat can be moved in a rearward direction regardless of a state of the seat back being positioned in the forward.Type: ApplicationFiled: February 23, 2005Publication date: August 25, 2005Inventors: Hideo Nihonmatsu, Yasuhiro Kojima, Yukifumi Yamada
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Publication number: 20050104404Abstract: 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 link mechanism for operating the right side link mechanism, a second actuator operatively engaged with the left side link mechanism for operating the left side link mechanism, and a controller for controlling the first actuator and the second actuator separately.Type: ApplicationFiled: November 10, 2004Publication date: May 19, 2005Applicant: Aisin Seiki Kabushiki KaishaInventors: Yukifumi Yamada, Sadao Ito, Hideo Nihonmatsu