| 摘要 |
The invention relates to a unit for synchronous extension and retraction of two wire segments that are wound onto a storage spool in such a way that upon a rotary motion of the storage spool in one rotation direction, both wire segments are synchronously unwound, and upon a rotary motion of the storage spool in the other rotation direction they are synchronously rewound, the wire segments being separated from one another and being fastened at their storage-spool ends to the storage spool, the storage spool comprising a catch that is effective in that rotation direction in which the wire segments are unwound from the storage spool, and is releasable via an actuation device. The invention furthermore relates to a motor vehicle using such a unit.
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