| 摘要 |
A screw is captured in an assembly of concentric sleeves, the inner one of which has a flange, and an outer workpiece is clamped between the flange and the outer sleeve. The outer workpiece has a sufficiently large, beveled bore to permit radial play of the assembly. The outer sleeve has a threaded inner flange at the other end; and the two sleeves are assembled in press fit.
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