Device for extracting of the contents of an envelope
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United States of America Patent
Stats
-
Jul 25, 2000
Grant Date -
N/A
app pub date -
Sep 7, 1999
filing date -
May 3, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for extracting the contents of an envelope pre-cut on three sides is provided. The device includes at least one bi-directional upper extraction roller, at least one bi-directional lower extraction roller cooperating with the upper extraction roller, and a receptacle for receiving the extracted contents of the pre-cut envelope. A controller causes the upper and lower extraction rollers to unfold the envelope and extract its contents by causing the upper and lower extraction rollers to move forward and rearward in accordance with the following successive steps: (a) the upper and lower extraction rollers move the envelope in a forward direction, the envelope being oriented with its uncut side facing a rearward direction; (b) the lower extraction rollers stop moving and the upper extraction rollers move an upper fold of the envelope in the rearward direction, whereby the upper fold is rounded and opened; (c) the upper and lower extraction rollers move the opened envelope and its contents in the forward direction until the contents are disengaged from the upper and lower extraction rollers, but the opened envelope is still held therebetween; and (d) the upper and lower extraction rollers abruptly cease to move, thereby causing the contents of the envelope to escape and be collected in the receptacle.
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