| 摘要 |
The invention relates to a fastener assembly 1 for use as a slave bolt. The fastener assembly can be tightened and released from the same side and comprises: a) a shank 2 having a bolt head 3 at one end; b) a sleeve 7 slidably arranged on the shank 2 ; c) a spring 6 to bias the sleeve on the shank 2 ; and d) an expander stem 9 which can be screwed into a threaded bore 4 which runs the length of shank 2 , the stem 9 having an enlarged portion which spreads the fingers 8 of the sleeve so that they engage and clamp the articles to be fastened.
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