| 摘要 |
A hopper for a cigarette making machine includes an elevator, conveying means for conveying a carpet of tobacco towards the elevator, whereby the elevator carries upwards a stream of tobacco from the carpet, and a photoelectric or other position-sensing device mounted near the elevator at a position such that it detects upward movement of tobacco from the carpet in a vicinity adjacent to the elevator indicative of the start of rolling; and including means for temporarily stopping or reducing the speed of conveyance of the tobacco carpet towards the elevator to obviate the rolling condition.
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