Multiple-head slitting apparatus
Abstract
Abstract SLITTING APPARATUS INCLUDES A PLURALITY OF SLITTER HEADS CARRIED BY A TURNTABLE. THE TURNTABLE IS MOUNTED FOR ROTATION ABOUT A STATIONARY COLUMN WHICH CARRIES A DRIVE UNIT. WHILE ONE SLITTER HEAD IS OPERATED BY THE DRIVE UNIT TO SLIT MATERIAL AT A SLITTING STATION, THE OTHER SLITTER HEADS ARE AT SERVICING STATIONS. ROTATION OF THE TURNTABLE POSITIONS ANY SELECTED SLITTER HEAD AT THE SLITTING STATION. A FEDD TABLE AND AN ENTRY PINCH ROLL ASSEMBLY ARE PROVIDED ALONG A PASS LINE TO THE SLITTING STATION. THE FEED TABLE AND PINCH ROLL ASSEMBLE ARE MOVABLE OUT OF THE PATH OF ROTATION OF THE TURNTABLE AND SLITTER HEADS TO AVOID INTERFERANCE WITH ROTATION OF THE TURNTABLE. AN ALIGNING MECHANISN ASSURES ACCURATE ALIGNMENT OF A SLITTER HEAD AT THE SLITTING STATION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |