| 摘要 |
A connection element comprising a first retaining element and a second retaining element adapted to be connected by a rotary bearing such that the retaining elements can be freely rotated relative to each other about 360°, characterized in that a first annular rotary bearing portion has a first outer annular portion and a first inner annular portion concentric to the outer annular portion, the first outer annular portion at the inner circumference having a first locking portion of limited length in circumferential direction, a second annular rotary bearing portion has a second outer annular portion and a second inner annular portion concentric to the outer annular portion, the second inner annular portion being matingly accommodated by the first inner annular portion, an annular circumferentially extending locking portion of the second outer annular portion within the first outer annular portion gripping behind the first locking portion when the rotary bearing portions are plugged together substantially in an approximately parallel position relative to each other.
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