Exedy Corporation

Koji Yoneyama

Masahiro Ohkubo

Yoshio Imanishi

Hidenori Kitazawa

Mamoru Okubo

A clutch device is disclosed. The present device includes a driven plate having an annular shape and a clutch center. The driven plate includes a plurality of engaging recesses. The clutch center is rotatable about an rotational axis and makes the driven plate movable in an axial direction and non-rotatable relatively thereto when the driven plate is assembled thereto. Additionally, the clutch center includes a body having a cylindrical shape, one or more first teeth and one or more protruding teeth as a guide portion. The one or more first teeth are provided on the body and are configured to engage with the engaging recesses of the driven plate. The one or more protruding teeth function as a slide guide when the driven plate is slid onto the clutch center so as to be assembled thereto.

Clutch device

A forward-reverse rotation device for a continuously variable transmission is provided to reduce the manufacturing cost of a forward-reverse rotation device for a continuously variable transmission. A forward-reverse rotation device for a continuously variable transmission is equipped with a planetary gear set , a reverse brake , and a forward clutch . The planetary gear set has a sun gear provided on an input shaft , a ring gear , double planetary gears , and a carrier that axially supports the double planetary gears and serves to output power to output shaft . The brake is for allowing and prohibiting the rotation of the ring gear . The clutch is a mechanism for coupling and releasing the input shaft to and from the carrier . The sun gear and splines are formed integrally on an external circumferential surface of the input shaft . The clutch has a clutch drum that has internal splines that are press-formed integrally into the clutch drum and mesh with the splines

Forward-reverse rotation device for a continuously variable transmission

A multiple plate clutch device is provided to conserve space. In a reverse hydraulic brake device a plurality of teeth is formed next to one another in a circumferential direction in an inner peripheral surface portion of a transmission case A plurality of first brake plates includes engagement teeth The engagement teeth engage the plurality of teeth on the inner peripheral surface portion such that the plurality of first brake plates is axially movable and non-rotatable relative to the inner peripheral surface A plurality of second brake plates is disposed to alternate axially with the plurality of first brake plates A piston pushes the plates and Return springs are disposed within deep grooves that are between the teeth and the inner peripheral surface portion The return springs urge the first plate that is closest the piston towards the piston

Multiple plate clutch device

A forward-reverse rotation device for a continuously variable transmission is provided to reduce the manufacturing cost of a forward-reverse rotation device for a continuously variable transmission. A forward-reverse rotation device for a continuously variable transmission is equipped with a planetary gear set a reverse brake , and a forward clutch . The planetary gear set has a sun gear provided on an input shaft a ring gear double planetary gears , and a carrier that axially supports the double planetary gears and serves to output power to output shaft . The brake is for allowing and prohibiting the rotation of the ring gear . The clutch is a mechanism for coupling and releasing the input shaft to and from the carrier . The sun gear and splines are formed integrally on an external circumferential surface of the input shaft . The clutch has a clutch drum that has internal splines that are press-formed integrally into the clutch drum and mesh with the splines

A planet carrier mechanism for a planetary gearset is provided to resolve the problems caused by welding during the manufacture of planet carrier mechanisms. The planet carrier mechanism meshes with a sun gear and a ring gear in a planetary gearset and can also rotate about a axial center. It is equipped with a plurality of planet gears , a pair of carrier members , and a plurality of stud pins . The pair of carrier members are disposed on both sides of the planet gears in the axial direction and serve to support the planet gears such that the planet gears can rotate about an axis. The plurality of stud pins is disposed between the plurality of the planet gears with respect to the direction in which the planetary gearset rotates about its axis. Both ends of the stud pins are fixed by caulking to the pair of carrier members

Planet carrier mechanism for a planetary gearset

The invention relates to a stator having an inner race 24, a metal outer race 23, a stator carrier 21, a plurality of stator blades, and a one-way clutch 26. The one-way clutch 26 includes rollers 27, plate springs 28, and spring supporters 29. The rollers 27 are disposed in a plurality of clearance gaps defined between the inner and outer races becoming gradually larger in width in radial directions in a first circular direction. The plate springs 28 respectively urge the rollers 27 in the first circular directions. The spring supporters 29 are molded integrally with the stator carrier 21 so as to be fixed in an inner circumferential wall of the outer race 23 and support the plate springs 28.

Growing community of inventors

Osaka, Japan

Koji Yoneyama