Aisin Seiki Kabushiki Kaisha

Toyota Boshoku Kabushiki Kaisha

Other

Toyota Jidosha Kabushiki Kaisha

Aisin Seiki Kabushiki Kaisha & Kanto Jidosha Kogyo Kabushiki Kaisha

Naoaki Hoshihara

Yukifumi Yamada

Mikihito Nagura

Hideo Nihonmatsu

Hiroyuki Okazaki

Genta Moriyama

Shinya Isobe

Sadao Ito

Yasuhiro Kojima

Tateki Kawamura

Kazunari Miyaki

Naoki Goto

Hideki Fujisawa

Sho Kume

Satoshi Kawaguchi

Satoshi Hisada

Akihiro Chiba

Hiroyuki Suzuki

Takami Terada

Makoto Sakai

Kenichi Kazaoka

Eiichiro Tsuji

Hiroshi Tamura

Takeshi Nishiura

Takayuki Ohta

Atsuki Sasaki

Takanori Sato

Yasuhisa Inaba

Ryuta Fukada

Hiroaki Teraguchi

Katsuya Nozue

Keisuke Nomura

Makoto Muranaka

Kentaro Morishita

Takashi Yokoyama

Tadasuke Higuchi

Yoichi Takada

Satoshi Kimura

Masaki Sugimoto

Atsushi Abaka

Yoshihiro Hirate

Shun Fujishiro

Hideaki Honjo

Yuichi Kondo

Kazusige Kawamura

Kenji Onodera

Masamichi Sugihara

Hisato Watanabe

Kenzi Onodera

Akira Yamakoshi

Tsutomu Matsubayashi

Toshiaki Sasa

A seat reclining device includes a ratchet and a guide assembled to be rotatable relative to each other, a pawl capable of restricting relative rotation between the ratchet and the guide, and a rotation cam that pushes and moves the pawl. The pawl has an eccentric structure in which the pawl is pressed and inclined to one side in the rotation direction due to a pressing force received from the rotation cam, and has a first protrusion that restricts the inclination of the pawl by contact with a guide wall that the first protrusion faces.

Seat reclining device for vehicle

Provided is a sliding device. The sliding device includes a fixed rail, a movable rail, a rack, a pinion, a locking mechanism that restricts sliding of the movable rail, and a gear mechanism. The gear mechanism includes multiple gears and transmits a rotation generated in an electric motor to the pinion. The gear mechanism is configured such that the pinion is capable of rotating more than a specified angle of rotation when the electric motor is in a stopped state.

Sliding device

A shaft housing hole has a shaft insertion hole into which the rotating shaft section of an engagement member is inserted. Also, the shaft housing hole has slits extending from the lower end of the shaft insertion hole along the side surface of the shaft insertion hole toward an upper connection wall section. The upper side wall section of an upper rail has shaft restriction sections formed by the shaft housing hole. The shaft restriction sections have front ends with which the side surfaces of the rotating shaft section are in contact.

Seat sliding device for vehicle

A seat sliding device for a vehicle includes a sliding load adjusting mechanism. The sliding load adjusting mechanism includes a support member, which is fixed to a first rail that is one of a lower rail and an upper rail, and a pressing member, which is movably supported by the support member. The pressing member changes a frictional force that is generated between the pressing member and a second rail, which is the other one of the lower rail and the upper rail, in accordance with a pressing force applied to the second rail. The pressing force changes in accordance with the position of the pressing member in relation to the support member. As the upper rail moves in a first direction, the pressing member moves toward a side on which the pressing force is reduced.

A second bracket of a vehicle seat reclining device includes a first pawl restriction portion and a second pawl restriction portion arranged respectively in correspondence with a first pawl and a second pawl to restrict movement of the first pawl and the second pawl in the radial direction. The second pawl restriction portion is located toward the positive direction and a radially inner side from the first pawl restriction portion. Negative direction ends of the first pawl restriction portion and the second pawl restriction portion are arranged to contact positive direction corners of the limitation portions of the first pawl and the second pawl when a rotation angle of the second bracket relative to the first bracket is a specified angle. The first pawl restriction portion allows movement of the second pawl toward the radially outer side.

Vehicle seat reclining device

A vehicle seat sliding apparatus includes a lower rail, an upper rail, a slide-lock mechanism that pivots the lock member to a slide-lock position and holds the upper rail in a slide-lock state, and a slide-lock cancellation unit moved by operation of an operation member in a longitudinal direction of the upper rail to cancel an action of the slide-lock mechanism. The slide-lock cancellation unit includes a drive unit and an inclined surface arranged in the drive unit. The drive unit is supported by the upper rail so as to be slidable in the longitudinal direction of the upper rail. Operation of the operation member slides the drive unit. The inclined surface pivots the lock member to a slide-lock cancellation position when sliding.

Seat sliding apparatus for vehicle

A seat adjuster for a vehicle seat is provided. The seat adjuster comprises a rotation mechanism that comprises a rotation part, a rotation drive device that rotates the rotation part, an engagement target member that is configured to be rotated integrally with the rotation part and comprises engagement target portions formed along a rotational direction of the engagement target member, and an engagement member that is configured so that, when one of the engagement target portions is located in a specified engageable position, the engagement member is moved in a direction closer to the engagement target member to be engageable with the one of the engagement target portions located in the specified engageable position.

Seat adjuster and vehicle seat

A seat sliding apparatus for a vehicle includes a lower rail, an upper rail supported to be movable relative to the lower rail, and a pressing member attached to one of the lower rail and the upper rail via a biasing member. The pressing member constantly presses the other of the lower rail and the upper rail by a biasing force of the biasing member. The lower rail and the upper rail extend in a first direction. The pressing member obliquely presses the other of the lower rail and the upper rail so that force components are generated in both the first direction and in a second direction orthogonal to the first direction.

A seat slide apparatus for a vehicle, the seat slide apparatus includes: a lower rail which is fixed to a vehicle floor; an upper rail which is slidably engaged with the lower rail; and a rolling element circulation unit having rolling elements and interposed between the lower rail and the upper rail in a state where the rolling elements are able to be circulated, in which the lower rail includes a bottom wall portion, sidewall portions, and upper wall portions, the upper rail includes a main body portion, and folded-back portions, the rolling element circulation unit includes a case having an annular accommodating path accommodating the rolling elements, between the lower rail and the upper rail, an upper rolling element circulation unit and a lower rolling element circulation unit are provided to be disposed at two positions spaced apart from each other, and the upper rail includes a pedestal portion.

Seat slide apparatus for vehicle

A vehicular seat slide device is provided with a lower an upper rail, a lock member, a memory piece, a memory link, a slide member, and a stopper member. The memory piece is engaged with the upper rail and the lower rail. The memory link releases the lock member and the memory piece with urging force of a memory link urging member, and pivots in a releasing direction to press the lock member in a pivot direction and press the memory piece against the urging force of the memory piece urging member. The slide member releases the memory link with urging force of a slider urging member, and presses the memory link in the release direction by moving as a seat back is collapsed forward. After the seatback is collapsed forward and the upper rail is moved in a seat-rearward direction, the stopper member contacts the memory piece.

Vehicular seat slide device

A vehicle seat sliding apparatus includes: a first rail fixed to one of a vehicle floor and a seat and having first vertical wall portions, a first connection wall portion, and flanges; and a second rail fixed to the other one of the vehicle floor and the seat and having second vertical wall portions, a second connection wall portion, outward extending wall portions, and extending wall portions, wherein locking claws are aligned side by side at tip ends of the flanges of the first rail; the second rail is provided with through-holes; the vehicle seat sliding apparatus further includes, a locking member having locking portions, and a biasing member; and the outward extending wall portions are provided with flat portions.

Vehicle seat sliding apparatus

A vehicle seat reclining device includes first and second brackets, which are rotational relative to each other, two guide portions provided on the first bracket and forming a guide groove, a pawl, and a protruding portion. The pawl has outer teeth, which can engage with and disengage from inner teeth of the second bracket, and is guided by the guide groove to move radially. The protruding portion protrudes circumferentially at least at the tip end portion of the guide portion. A fulcrum of inclination of the pawl with respect to the guide part may occur at the time when the outer teeth and the inner teeth are disengaged from each other. The fulcrum located at a position closer to the inner teeth than an intersection point between the guide portion and a normal to a surface where the outer teeth and the inner teeth are engaged with each other.

A vehicle seat reclining device is provided with a first bracket having internal teeth, a plurality of pawls each having external teeth capable of engaging with and disengaging from the internal teeth, a second bracket having a guide portion that movably holds the pawls in a radial direction, and a cam mechanism, which moves each pawl in the radial direction. Among the external teeth in each pawl, at least one external tooth including an end tooth located at one end in the circumferential direction of the pawl is displaced inward in the radial direction with respect to a reference position corresponding to the pitch circle of the internal teeth along a center line that divides the external tooth into two parts in the circumferential direction without changing the shape of an effective engagement portion for the internal tooth and the pitch circle radius of the external tooth.

A seat slide apparatus for a vehicle includes a second unlock mechanism rotating an unlock lever in a direction that unlocks a lock mechanism by pushing the unlock lever in accordance with a predetermined seat operation, an unlocked state retaining lever retaining the lock mechanism in an unlocked state cooperating with the second unlock mechanism by operating in conjunction with the second unlock mechanism, a first unlocked state release mechanism moving the unlocked state retaining lever to a position where the lock mechanism is released from the unlocked state by making contact with an operation body in accordance with movement of an upper rail relative to an lower rail, and a second unlocked state release mechanism moving the unlocked state retaining lever to a position where the lock mechanism is released from the unlocked state by pushing the unlocked state retaining lever in accordance with the operational input.

Provided is a vehicle seat reclining apparatus comprising: a first bracket, a second bracket, a pole, a cam, a locking urging member, a hinge pin, a fitting hole, a release lever, and a supporting urging member.

Vehicle seat reclining apparatus

Growing community of inventors

Obu, Japan

Naoaki Hoshihara