| 摘要 |
A scanning assembly for a helical-wrap, drum-type, video tape machine includes entry and exit tape guides and a drum assembly interconnected by a bracket. The drum assembly includes upper and lower cylindrical male guides which butt against an elongate reference way on the bracket to align the axis of the drum assembly. The entry and exit guides are each mounted on the bracket oblique to the drum assembly axis by a pin which extend from the guide into an oversize bore in the bracket and is held in place by adhesive.
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