| 摘要 |
The present invention relates to a centering photographic material winding device for the winding or unwinding of a photographic material web or band onto or from a winding core with a winding core seat (210, 220) which is adapted for receiving a winding core moveable on the winding core seat, whereby the winding core is centered by two push members which are coupled in their movement for the displacement and centering of a winding core received on the winding core seat between the push members in that the push members evenly move towards one another.
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