| 摘要 |
A rivet with embossments on both ends and a motor with brackets fastened by the same are provided to form a head by riveting a head unit with a plurality of grooves. A rivet comprises a body(41) and a head(42,43). The body is provided with embossments(44,45) on at least one end portion. The head is extended from the embossing portion of the body and is deformed into the head shape by riveting process. The head is provided with grooves(46,47) to make deformation easy. |
