Patent US3270629A successfully refreshed from Google Patents.
US3270629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Envelope attaching machines
Assignee: Converters Inc
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Filing: 1964-02-14
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Granted: 1966-09-06
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Expires: 1984-02-14
Abstract
No abstract record available.
Inventors
- 👤 Archibald H Welch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:40
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/02; B31B70/022; B31B70/024; B31B2160/00; B31B2160/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
IN A MACHINE FOR CONVEYING ENVELOPES FORWARDLY IN SUCCESSION ALONG AN ELONGATED PATH WITH THE ENVELOPE PANELS EXTENDING TRANSVERSELY OF THE PATH AND THE ENVELOPE FLAPS FOLDED FORWARDLY FROM ADJACENT THE TRAILING EDGES OF THE ENVELOPES INTO CONTIGUOUS RELATIONSHIP WITH THE ENVELOPE PANELS, AN APPARATUS FOR SUCCESSIVELY UNFOLDING THE FLAPS AS THE ENVELOPES ARE CONVEYED ALONG THE PATH COMPRISING; A ROTOR MOUNTED ADJACENT THE ENVELOPE PATH WITH ITS AXIS EXTENDING TRANSVERSELY THEREOF AND HAVING AT LEAST ONE TRANSVERSELY EXTENDING BLADE RADIALLY SPACED FROM ITS AXIS; AND DRIVE MEANS FOR ROTATING THE ROTOR SO THAT THE TANGENTIAL VELOCITY OF THE BLADE AS IT ROTATES THROUGH A POSITION ADJACENT THE PATH WILL HAVE THE SAME DIRECTION AS BUT LESS MAGNITUDE THAN THE VELOCITY OF THE ENVELOPES, SAID DRIVE MEANS BEING SYNCHRONIZED WITH THE MOVEMENT OF THE ENVELOPES SUCH THAT AS THE BLADE ROTATES THROUGH SAID POSITION AN ENVELOPE CLOSURE FLAP WILL OVERTAKE THE BLADE FOR INSERTION OF THE BLADE BETWEEN THE ENVELOPE PANEL AND FLAP AND UPON CONTINUED MOVEMENT OF SAID ENVELOPE AND ROTOR THE FLAP WILL BE UNFOLDED BY THE BLADE FROM THE ENVELOPE PANEL.
Claim 2
Dependent Claim
184 words
IN A MACHINE FOR CONVEYING ENVELOPES FORWARDLY IN SUCCESSION ALONG AN ELONGATED PATH WITH THE ENVELOPE PANELS EXTENDING TRANSVERSELY OF THE PATH AND THE ENVELOPE FLAPS FOLDED FORWARDLY FROM ADJACENT THE TRAILING EDGES OF THE ENVELOPES INTO CONTIGUOUS RELATIONSHIP WITH THE ENVELOPE PANELS, AN APPARATUS FOR SUCCESSIVELY UNFOLDING THE FLAPS AS THE ENVELOPES ARE CONVEYED ALONG THE PATH COMPRISING; A ROTOR MOUNTED ADJACENT THE ENVELOPE PATH WITH ITS AXIS EXTENDING TRANSVERSELY THEREOF AND HAVING AT LEAST ONE TRANSVERSELY EXTENDING BLADE RADIALLY SPACED FROM ITS AXIS; AND DRIVE MEANS FOR ROTATING THE ROTOR SO THAT THE TANGENTIAL VELOCITY OF THE BLADE AS IT ROTATES THROUGH A POSITION ADJACENT THE PATH WILL HAVE THE SAME DIRECTION AS BUT LESS MAGNITUDE THAN THE VELOCITY OF THE ENVELOPES, SAID DRIVE MEANS BEING SYNCHRONIZED WITH THE MOVEMENT OF THE ENVELOPES SUCH THAT AS THE BLADE ROTATES THROUGH SAID POSITION AN ENVELOPE CLOSURE FLAP WILL OVERTAKE THE BLADE FOR INSERTION OF THE BLADE BETWEEN THE ENVELOPE PANEL AND FLAP AND UPON CONTINUED MOVEMENT OF SAID ENVELOPE AND ROTOR THE FLAP WILL BE UNFOLDED BY THE BLADE FROM THE ENVELOPE PANEL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |