| 摘要 |
A winding device for tape transducing apparatus, comprising a reel hub, having radially, outwardly extending projections, and a reel core provided with a central bore having radially, inwardly extending projections. The projections of said hub and bore cooperate with one another by means of driving surfaces which are inclined in the winding direction with respect to a plane extending at right angles to the axis of the hub and bore respectively.
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