| 摘要 |
<p>Apparatus and methods for opening letter envelopes or the like which comprise a feed hopper adapted to receive a stack of unopened envelopes lying on one another, an output hopper adapted to receive the envelopes after they have been opened, and means for successively transporting individual envelopes from the bottom of the stack in the feed hopper past a cutting means that is adapted to cut a longitudinal edge of the envelopes during transport. The apparatus and methods disclosed also include provision for urging the envelopes against the cutting means during transport, and a vacuum system is utilized for insuring efficient and reliable transporting of the envelopes and for capturing paper particles that are cut from the envelopes as they are opened.</p> |
