Outer ring joint structure for sheet metal press shaft - has engagement pore provided from its edge wall where shaft projection part with polygonal surface or serrated groove press fits and engages mutually

摘要

The structure has an engagement pore (4) provided from its edge wall (1a), where a shaft projection (7) is inserted. The projection is formed with a polygonal surface or a serrated groove which press fits and engages with the pore inner peripheral surface, installed in the shaft (4) edge.