US3222008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reel accelerator and brake mechanism
Assignee: AT&T Teletype Corp
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Filing: 1963-05-16
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Granted: 1965-12-07
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Expires: 1983-05-16
Abstract
No abstract record available.
Inventors
- 👤 Alfred Z Purzycki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:38
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/16; B21C47/18; B65; B65H; B65H16/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
IN A TAPE REEL MECHANISM HAVING A FREELY ROTATABLE REEL SUPPORTING A COIL OF TAPE THEREON AND WHEREIN THE LEADING END OF THE TAPE IS PULLSED FROM THE COIL OF TAPE BY AN EXTERNAL FORCE TO CAUSE THE COIL OF TAPE AND THE TAPE REEL TO ROTATE AND THE TAPE TO UNWIND THE COMBINATION COMPRISING; (A) A TAPE GUIDING MEANS PIVOTALLY MOUNTED ON SAID TAPE REEL MECHANISM FOR ROTATION IN ONE DIRECTION BY THE LEADING END OF THE TAPE AS THE TAPE IS PULLED FROM THE TAPE REEL, (B) BIASING MEANS URGING SAID TAPE GUIDING MEANS IN AN OPPOSITE DIRECTION FROM SAID ONE DIRECTION, AND (C) A ONE-WAY CLUTCH MEANS INCLUDING A GROOVED DISC FIXED TO SAID TAPE REEL AND A PAWL MEANS PUVOTALLY MOUNTED ON SAID TAPE GUIDING MEANS FOR MOVEMENT BY SAID TAPE GUIDING MEANS IN SAID ONE DIRECTION TO CLUTCH TOGETHER SAID TAPE REEL AND THE TAPE GUIDING MEANS TO CAUSE SAID TAPE GUIDIG MEANS TO ACT AS A LEVER ARM FOR ROTATING SAID COIL OF TAPE AND SAID REEL.
Claim 2
Dependent Claim
173 words
IN A TAPE REEL MECHANISM HAVING A FREELY ROTATABLE REEL SUPPORTING A COIL OF TAPE THEREON AND WHEREIN THE LEADING END OF THE TAPE IS PULLSED FROM THE COIL OF TAPE BY AN EXTERNAL FORCE TO CAUSE THE COIL OF TAPE AND THE TAPE REEL TO ROTATE AND THE TAPE TO UNWIND THE COMBINATION COMPRISING; (A) A TAPE GUIDING MEANS PIVOTALLY MOUNTED ON SAID TAPE REEL MECHANISM FOR ROTATION IN ONE DIRECTION BY THE LEADING END OF THE TAPE AS THE TAPE IS PULLED FROM THE TAPE REEL, (B) BIASING MEANS URGING SAID TAPE GUIDING MEANS IN AN OPPOSITE DIRECTION FROM SAID ONE DIRECTION, AND (C) A ONE-WAY CLUTCH MEANS INCLUDING A GROOVED DISC FIXED TO SAID TAPE REEL AND A PAWL MEANS PUVOTALLY MOUNTED ON SAID TAPE GUIDING MEANS FOR MOVEMENT BY SAID TAPE GUIDING MEANS IN SAID ONE DIRECTION TO CLUTCH TOGETHER SAID TAPE REEL AND THE TAPE GUIDING MEANS TO CAUSE SAID TAPE GUIDIG MEANS TO ACT AS A LEVER ARM FOR ROTATING SAID COIL OF TAPE AND SAID REEL.
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |