| 摘要 |
Work station apparatus for individually successively feeding elongate planar work items such as letter envelopes including main feed means including ported vacuum belt means for rapidly successively endwise edgewise shifting a continuous supply of work items and including supply feed means for progressively broadwise advancing a juxtapositioned supply of envelopes or the like to the main feed means and with the supply feed means including automatically operative means for regulating the feed rate of the supply feed means in response to the feed rate of the main feed means.
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