| 摘要 |
PURPOSE: To provide a rotation transmission member without the generation of breakage or deformation which can bear a stress to a rib part while maintaining the lightening and size accuracy. CONSTITUTION: A rotation transmission member 1 is composed of a cut off shaft 2 providing a transmission contact surface 21 having a circular periphery surface 22 and a cut off plate 23, a resinous rib part 3 having a rib projected surface 33 being along a tangent line L direction extending from the circular periphery surface 22 at a rib periphery surface 31 and a rib plane 32 and a boundary part 24 and for covering the cut off shaft 2 with a certain thickness and a rotation output part 4 formed integrally with the rib part 3. |
