| 摘要 |
1466976 Envelope stuffing machines MATHIAS BAUERLE GmbH 10 May 1974 [22 June 1973] 20900/74 Heading B8C In an envelope stuffing machine, envelopes to be stuffed are fed along belts 7 and 8, between a feed roller 5 and a co-operating guide ball 34, and on to a support plate 17 along which they are propelled into contact with stops 24, 25 by a pair of belts 9/10 associated with the support plate. Contact of the leading edge of an envelope with the stops actuates switches 22 and 23 (23, not shown) which in turn actuate belts 35, 36 to feed contents into the envelope. During feeding of the contents the mouth of the envelope is held open by fingers 31, 32 actuation of which causes projections 30 to temporarily raise weighting balls 28 free of the envelope. After stuffing, the fingers are withdrawn, and the plate and belt assembly 9/10 and 17 is pivoted downwardly about axle 6 to the position shown in phantom lines in which the drive of the belts 9/10 is reversed to propel the stuffed envelope between the feed roller 5 and a flap closing pressing roller 33.
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