| 摘要 |
A tool holding device for holding a cylindrical barrel in a cylindrical chamber which includes a two-part barrel with the parts axially oriented having facing chamfers to form a V-groove which receives a split ring. The retaining barrel has a rearwardly facing shoulder which form an annular abutment for the periphery of the ring when the ring is expanded by drawing the parts of the barrel axially toward each other.
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