| 摘要 |
PROBLEM TO BE SOLVED: To provide a rivet fastener without limiting a size and a shape of a bolt head part by fixing a bolt by using a push rod, a fastening ring and an outer sleeve, in the present invention.SOLUTION: A rivet fastener of the present invention includes an inner sleeve, an outer sleeve, a fastening ring and an actuator. A push rod is inserted into the inner sleeve, the outer sleeve is crowned on the inner sleeve, the fastening ring is positioned and mutually brought into close contact in the outer sleeve, a bolt is inserted into the outer sleeve and the fastening ring, a screw body of the bolt is exposed from the outer sleeve, and threadedly engages with a rivet nut, and a bolt head part is positioned in the inner sleeve, and is brought into close contact between the fastening ring and the push rod. The actuator and the inner sleeve are assembled, and the rivet nut is fastened by simultaneously moving by interlocking the push rod, the outer sleeve, the fastening ring and the rivet nut by the movement of the inner sleeve.SELECTED DRAWING: Figure 3 |
