| 摘要 |
A machine for inserting sheets into envelopes, the machine includes sheets feeder means for delivering the sheets on an underlying sliding surface; lugging means disposed along said sliding surface and operated by a related endless conveying line to engage trailing edges of said sheets to move said sheets toward a sheet inserting station disposed along the sliding surface downstream of said conveying line, an envelope feeder enclosing a stack of envelopes, said envelopes feeder being situated beside said sliding surface and capable, of removing continuously single envelopes from the bottom of said stack and feeding each single envelope to the inlet of an additional conveying line, placing said single envelope arranged in such a way that the back wall of the envelope, to which the closing flap of the envelope is hinged, faces downwards, so that the opening for inserting the sheets faces upwards and backwards, with respect to the inlet of said additional conveying line, said additional conveying line extending between said envelope feeder and said sheet insertion station an including gripping means, arranged stepwise and aimed at taking over each single envelope still arranged in the same way, and at transferring each single envelope to the sheet insertion station in suitable advance relation with respect to the arrival of the respective sheets,, while keeping the envelopes oriented in the same way, with the related back wall and closing flap turned downwards, so that the opening, through which the sheets are to be inserted, is turned upwards, crosswise to the sliding surface.
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