主权项 |
1. A feeder for feeding envelopes in a mail handling machine comprising a transport deck for receiving a stack of envelopes, feed rollers for conveying downstream envelopes towards a reference wall leaving a clearance path for the envelopes, a stack sensor for detecting the presence of said stack of envelopes at a predetermined height threshold, and a control unit for activating the feed rollers, wherein the control unit is configured for decreasing acceleration of said feed rollers when the stack of envelopes goes below said predetermined height threshold. |