Torque transmission apparatus for internal combustion engine has toroidal piece set around compression spring and provided on inner peripheral side more than compression springs

摘要

A toroidal piece (40) set around the compression spring (30) is provided on an inner peripheral side more than the compression springs. The springs are set to mutually rotate the input plate (2) and the output plate (5). A damper hub (26) is installed between the hub arm of the input plate and a side of the output plate.