Patent US3122870A successfully refreshed from Google Patents.
US3122870A
Expired / Lapsed
US
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Envelope banding machine
Assignee: Boston Envelope Co
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Filing: 1961-09-20
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Granted: 1964-03-03
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Expires: 1981-09-20
Abstract
No abstract record available.
Inventors
- 👤 Stemmler Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:46
CPC Classifications
B; B65; B65B; B65B27/00; B65B27/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
IN A MACHINE FOR SEPARATING STACKS OF FLAT ARTICLES BY STRIPS OF TAPE INSERTED THEREBETWEEN, A CLLECTING STATION ADAPTED TO COLLECT STACKS OF SAID ARTICLES FED THERETO, SAID ARTICLES BEING INCLUINED SUBSTANTIALLY AWAY FROM THE VERTICAL AT SAID COLLECTING STATION; A RECEIVING STATIONS ADAPTED TO RECEIVE STACKS FROM SAID COLLECTING STATION, SAID ARTICLES BEING SUBSTANTIALLY VERTICAL AT SAID RECEIVING STATION; MEANS FOR MOVING A STACK FROM SAID COLLECTING STATION TO SAID RECEIVING STATION INCLUDING A SET OF STACK MOVING BLADES DRIVEN ARCURATELY BETWEEN SAID COLLECTING STATION AND SAID RECEIVING STATINO INCLUDING A SET OF STACK MOVING ALIGN STACKS MOVED BY SAID BLADES; MEANS HOLDING A LENGTH OF TAPE IN THE PATH OF MOVEMENT OF A STACK CARRIED BY SAID BLADES IN ADVANCE OF SAID RECEIVING STATION, THE MOVEMENT OF A STACK AGAINST THE TAPE BEING ACCOMPANIED BY RELEASING OF THE TAPE FROM ITS HOLDING MEANS AND THE STACK CARRYING THE TAPE IN FRONT OF IT WHEREBY SAID STACK IS SEPARATED FROM A PREVIOUS STACK AT SAID RECEIVING STATION BY THE LENGTH OF TAPE THUS INSERTED.
Claim 2
Dependent Claim
193 words
IN A MACHINE FOR WRAPPING STACKS OF COUNTED ARTICLES OF THE CHARACTER DESCRIBED IN BANDS, A MEANS FOR MOVING SAID STACKS TO A BAND WRAPPING MEANS COMPRISING A STACK TRANSPORTING FRAME ROTATBLY MOUNTED ON A HORIZONTAL AXIS, FOUR SETS OF STACK LIFTING BLADES SPACED EQUALLY AROUND SAID FRAME AND PIVOTALLY MOUNTED TO MOVE WITH RELATION TO THE FRAME BETWEEN ONE POSITION WHERE SAID BLADES EXTEND RADIALLY OUTWARDLY BEYOND THE FRAME AND ANOTHER POSITION WHERE SAID BLADES ARE RETRACTED WITHIN SAID FRAME, MEANS RESILIENTLY BIASING SAID BLADES TOWARD SAID RETRACTED POSITION, MEANS ROTATABLY INDEXING SAID FRAME IN INCREMENTS OF 90* IN ONE DIRECTION ABOUT ITS AXIS, ONE SET OF BLADES BEING CARRIED BY SAID FRAME FROM A FIRST LOCATION HORIZONTALLY ALONGSIDE THE AXIS OF THE FRAME TO A SECOND LOCATION VERTICALLY ABOVE SAID FRAME AXIS DURING EACH INDEXED INCREMENT OF SAID FRAME, A STATIONARY CAM PIVOTING SAID BLADES TO SAID ONE RADIALLY EXTENDING POSITION AT SAID FIRST LOCATION AND MAINTAINING SAID BLADES EXTENDED WHILE INDEXING THEREFROM TO SAID SECOND LOCATION, SAID CAM PERMITTING PIVOTING OF SAID BLADES BY SAID BIASING MEANS TO THE OTHER, RETRACTED POSITION AFTER REACHING SAID SECOND LOCATION, AND BAND WRA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |