| 摘要 |
PCT No. PCT/EP97/04321 Sec. 371 Date May 4, 1998 Sec. 102(e) Date May 4, 1998 PCT Filed Aug. 8, 1997 PCT Pub. No. WO98/22723 PCT Pub. Date May 28, 1998An annular locking element is provided for engaging a cylindrical object to lock the object to a plate. The locking element comprises a circular element region formed to be an interrupted circle and being adapted to engage a first contact surface on the cylindrical object. A plurality of spring tongues extends radially from the element region and are bent outwardly from the element region. A plurality of support elements also extend from the element region and are adapted to engage a second contact surace on the cylindrical object.
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