Patent ID: 8795093

Claim:
A torque fluctuation absorbing apparatus comprising: a first side plate; a second side plate disposed at an axially displaced position from the first side plate; a lining plate that is disposed between the first side plate and the second side plate and is connected to a flywheel at a position that is radially outward relative to the first side plate and the second side plate; a connecting member that connects the first side plate and the second side plate with a predetermined gap in the axial direction at a position that is radially inward relative to the lining plate; a pressure plate disposed between the second side plate and the lining plate; and an elastic member that is supported by the second side plate and biases the pressure plate toward the lining plate; the lining plate being slidably sandwiched between the first side plate and the pressure plate, the first side plate and the second side plate each including a reinforcing portion having a portion that is axially curved at a location that is radially outward relative to the connecting member; and wherein the reinforcing portion of the second side plate is a rib that is curved once from a main body of the second side plate toward the lining plate side in the axial direction and is formed continuously in the circumferential direction, the rib includes a cutout that is cut out from a distal end of the rib, and the pressure plate includes a convex portion at its outer circumferential end face that engages the cutout so that the pressure plate cannot move in the circumferential direction but can move in the axial direction.