Package making – Means to open or erect receptacle – Means to open envelope
Patent
1975-08-13
1977-04-12
Simpson, Othell M.
Package making
Means to open or erect receptacle
Means to open envelope
53386, 83 1, 83430, 83912, B65B 4330
Patent
active
040167089
ABSTRACT:
A table top extractor unit for removing contents from previously opened envelopes which have two panels connected along three side edges comprises a chadless cutter assembly and a vacuum feed mechanism for sequentially feeding envelopes to a transport conveyor which advances each successive envelope into the cutter assembly. The cutter assembly cuts through one panel of the envelope to sever the one panel from the other along opposite connected edges and simultaneously conveys the envelope to a vacuum separator drum located at the front end of the machine. The rotatable drum grips one panel of the envelope and carries the envelope past a stationary deflector or chute which enters between the envelope panels to cause the other panel to be folded back and into a trailing position relative to the one panel allowing the contents of the envelope to drop from juxtaposition between the panels and travel down the chute. An envelope conveyor receives the emptied envelope from the separator drum and conveys it to a two-position gate mechanism which in one position directs the envelope to and along one discharge path which terminates at the rear of the extractor. When the gate is in its other position, the emptied envelope is conveyed along another discharge path which terminates at the front end of the machine. A manual control is provided for moving the gate to its other position. A contents detection device associated with the envelope conveyor responds to the presence of envelope contents on the conveyor to move the gate to its other position. An envelope opening machine, also shown, has a chadless cutter assembly for opening an envelope by cutting through only one panel thereof.
REFERENCES:
patent: 244845 (1881-07-01), Bowles
patent: 2019499 (1935-11-01), Maher
patent: 2360653 (1944-10-01), Davidson
patent: 3116718 (1964-01-01), Krupotich et al.
patent: 3153853 (1964-10-01), Lipton
patent: 3238926 (1966-03-01), Huck
patent: 3381564 (1968-05-01), Whiteford
patent: 3828634 (1974-08-01), Luperti
Culver Horace M.
Docutronix, Inc.
Simpson Othell M.
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