Apparatus for controlling tension in tape material being drawn off from a pad
Abstract
Abstract TENSION REGULATING APPARATUS FOR APPLYING A RETARDING FORCE TO A TAPE BEING DRAWN FROM A PAD WHICH IS MOUNTED FOR ROTATION ABOUT ITS AXIS AGAINST A CONSTANT BRAKING TORQUE APPLIED TO THE PAD COMPRISES A ROTATABLY ADJUSTABLE BASE ON WHICH ARE MOUNTED TWO PARALLEL NON-ROTATABLE CYLINDRICAL PINS OVER THE SURFACES OF WHICH THE TAPE CAN BE DRAWN IN OPPOSITE DIRECTIONS TO GENERATE FRICTIONALLY A FORCE TENDING TO RETARD THE PASSAGE OF THE TAPE. A SPRING LOADED CONTROL ARRANGEMENT RESPONSIVE TO VARIATIONS IN THE TENSION IN THE TAPE AFTER IT LEAVES THE APPARATUS AND TO VARIATIONS IN THE SPRING LOADING SO CONTROLS THE ANGULAR POSITION OF THE PIN BASE RELATIVE TO A DATUM POSITION THAT THE AGGREGATE ARC OF CONTACT BETWEEN THE TAPE AND THE PINS IS AUTOMATICALLY ADJUSTED TO COMPENSATE FOR ANY VARIATIONS TENDING TO OCCUR IN THE TENSION IN THE TAPE BEING DRAWN OFF FROM THE PAD.
Inventors
- 👤 Ronald Hinds
Bibliographic Details
Claims Analysis
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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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |