| 摘要 |
<p>A FASTENING DEVICE A blind rivet is disposed to be inserted through openings in a pair of structures. The rivet includes a main stem having a pliable sleeve disposed therearound. The rivet includes a head portion on one hand and an enlarged portion or bulb on the other. The rivet is held in place as the head portion is drawn outwardly causing the bulb portion to expand the sleeve so as to provide clinching of the two structures. After the expansion of the sleeve, the stem is driven back into the openings in the structure.</p> |
