Toyota Boshoku Kabushiki Kaisha

Aisin Seiki Kabushiki Kaisha

Shiroki Corporation

Wataru Sakaguchi

Yasuaki Suzuki

Masashi Hiroshima

Yukifumi Yamada

Naoki Goto

Kosuke Taniguchi

Eiichiro Tsuji

Jueru Shimizu

Tateki Kawamura

Haruo Kato

Masayuki Kanehira

Toshiharu Kiriyama

Shoma Fukaya

The present disclosure discloses one example of a one-way coupling that eliminates the need for a component corresponding to a guide piece. The one-way coupling of the present discloser includes an input shaft and an output shaft, and is configured to transmit a drive force from the input shaft to the output shaft, and inhibit the drive force inputted to the output shaft from being transmitted to the input shaft. The one-way coupling includes: a transmitter; an immovable ring; a pressure-contact cam; a first wedge member displaceable between a locked position and an unlocked position, and receiving a pressing force from the pressure-contact cam when the drive force is inputted to the input shaft, and thereby the first wedge member is displaced to the locked position; and a first holder holding an arrangement of the first wedge member when the drive force is inputted to the output shaft.

One-way coupling

A unidirectional joint includes a wedge member having a pressure contact portion that comes in pressure contact with an inner circumferential surface of an immovable ring. The wedge member includes a first follower displacing the wedge member to an unlocked position by receiving a pressing force from a release cam when a driving force is input to an input side protrusion and a second follower displacing the wedge member to a locked position by receiving a pressing force from a pressure cam when a driving force is input to an output side rotating part.

Unidirectional joint

A driving device in one aspect of the present disclosure includes an electric motor, a worm gear, a gear easing that stores the worm gear, a first fitting portion provided in the electric motor, a second fitting portion provided in the gear casing and fitting to the first fitting portion, and a restriction member that includes a pressure contact portion and a contact portion and restricts displacement of the worm gear along a rotation center axis thereof. The pressure contact portion is in pressure contact with one fitting portion out of the first fitting portion and the second fitting portion, and the contact portion is in contact with the other fitting portion.

Driving device

Provided is a new back frame for a vehicle seat that takes into consideration a case where a large load acts on the back frame from a seat width direction. The back frame comprises a first side frame, a second side frame, a transmission rod, and a resin-made pressure-receiving spacer. The transmission rod extends in an extending direction from the first side frame toward the second side frame and comprises a leading end closest to the second side frame in the extending direction. The pressure-receiving spacer is coupled to the second side frame at a position facing the leading end. The transmission rod transmits a load acting on the first side frame to the leading end. The pressure-receiving spacer is configured to receive the load from the leading end.

Back frame for vehicle seat

A seat slide device includes: a pair of seat slide rails configured to support a seat, each of the seat slide rails including a lower rail and an upper rail; a transfer shaft rotationally driven by motor drive in a state where the transfer shaft is provided in a bridging manner between the seat slide rails, the transfer shaft having a hollow portion; and rail drive mechanisms, each of the rail drive mechanisms being provided between the lower rail and the upper rail and being configured to move the upper rail relative to the lower rail based on a driving force transmitted from a motor via the transfer shaft.

Seat slide device

A slide rail of a vehicle seat includes a first rail to which a screw having a screw thread formed on an outer periphery is fixed; a second rail that retains a nut into which the screw screws, and moves relative to the first rail by the nut rotating; a protruding portion that is provided on the first rail, and protrudes toward the screw; and an elastic member that connects the protruding portion and the screw. The elastic member has a retaining body that retains the screw, and an engaging body that engages with the protruding portion.

Slide rail of vehicle seat

A seat slide apparatus for a vehicle includes a first rail including a locked portion, a second rail movably connected relative to the first rail and including bearing holes, a lock member including a lock portion and rotating around the bearing holes to engage the lock portion with the locked portion and disengage the lock portion from the locked portion to selectively bring a relative movement between the first and second rail into a locked state, and wherein the second rail includes a fracture opening allowing the shaft portion to shift from the bearing hole in a case where a load is inputted in the direction of the relative movement, and a restriction portion configured to restrict the lock member from rotating in a direction in which the locked state is released in a case where the shaft portion shifts from the bearing hole.

Growing community of inventors

Kariya, Japan

Wataru Sakaguchi