초록 ▼

The driven plate consists of a single annular plate having inner, front and rear support faces for supporting the coil springs, and the front and rear faces do not extend beyond two orthogonal lines that are tangent to the coil spring and extend in parallel with the lock-up piston and the outer flan

The driven plate consists of a single annular plate having inner, front and rear support faces for supporting the coil springs, and the front and rear faces do not extend beyond two orthogonal lines that are tangent to the coil spring and extend in parallel with the lock-up piston and the outer flange, respectively.

대표청구항 ▼

[ What is claimed is:] [1.] An apparatus comprising:a fluid transmission device comprising a cover, a pump impeller connected to an input shaft of the device through the cover, and a turbine runner connected to an output shaft of the device and disposed such that the turbine runner is opposed to the

[ What is claimed is:] [1.] An apparatus comprising:a fluid transmission device comprising a cover, a pump impeller connected to an input shaft of the device through the cover, and a turbine runner connected to an output shaft of the device and disposed such that the turbine runner is opposed to the pump impeller with a fluid being present therebetween;a lock-up piston disposed between said turbine runner and said cover of said fluid transmission device, and selectively placed in one of a lock-up release position for transmitting a drive force through the fluid circulating in the fluid transmission device, and a lock-up engaging position for directly connecting said input shaft and said output shaft with each other to transmit the drive force; anda lock-up damper for absorbing torsional vibrations included in the drive force when said lock-up piston is placed in said lock-up engaging position, said lock-up damper comprising a driving plate disposed on a side of said lock-up piston, a driven plate disposed on a side of said turbine runner, and a plurality of coil springs mounted between the driving plate and the driven plate;wherein said driving plate is located inside a radially outer flange of said lock-up piston and is integral with the lock-up piston;wherein said driving plate has a plurality of slots formed through said radially outer flange of said lock-up piston, and a plurality of driving claws formed by bending inward parts of the radially outer flange at a proximal portion thereof surrounded by said slots; andwherein recesses are formed on the opposite sides of the proximal portion of said each driving claw.