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pinch roller - technical definition
A small, freely turning wheel in a tape drive that pushes the tape against a motor-driven wheel (the capstan) in order to move it.
Pinch Roller Mechanism
This diagram shows how the pinch roller moves the tape in a helical scan tape drive. The pinch roller is on the right hand side pulling the tape from the supply reel to the take-up reel. See helical scan.
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