Patent ID: 8590683
Filing Date: 2013-11-26
Classification: F16H,Y10T

Abstract:
1. A drive plate that has a ring gear capable of meshing with a gear of a motor for cranking an engine, and that transmits power from the engine to an element to which the power is to be transmitted, comprising: a plate member that is fixed to a crankshaft of the engine; and a ring gear member that is formed as an annular member having the ring gear in its outer periphery, and that includes a plurality of fastening portions each fastened to the plate member on an inner peripheral side with respect to the ring gear, and a plurality of extended weld portions each extended from the inner peripheral side with respect to the ring gear to a side of the element to which the power is transmitted, and each having a free end that is welded to an outer periphery of a constituent member of the element to which the power is to be transmitted.