| 摘要 |
PCT No. PCT/DE94/00107 Sec. 371 Date Aug. 15, 1995 Sec. 102(e) Date Aug. 15, 1995 PCT Filed Feb. 4, 1994 PCT Pub. No. WO94/19613 PCT Pub. Date Sep. 1, 1994A device for securing a holder to a bore support formed with an undercut blind bore has a sleeve-like plug and a bolt received therein. The plug is formed with a central axis-defining passage having a smooth inner wall, a plurality of axially extending and radially throughgoing slits open at an inner end of the plug and defining a plurality of axially inwardly extending and radially deflectable tongues, and an annularly continuous outer portion from which the tongues extend. The bolt has a smooth outer surface and is shaped and dimensioned to fit complementarily into the passage with outward deflection of the tongues. The bolt and passage are of generally the same axial length so that when fully inserted in the passage the bolt is flush with the outer portion.
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