Platen power drive for line spacing,vertical tabulation and form-feed spacing
Abstract
Abstract A PLATEN POWER DRIVE OF LINE SPACING VERTICAL TRIBULATION SPACING AND FORM-FEED SPACING FOR USE WITH A PAGE PRINTER. A CLUTCH IS COUPLED BETWEEN A POWER SHAFT AND AN OUTPUT SHAFT TO TURN OUTPUT SHAFT A FIXED NUMBER OF DEGREES PER CLUTCH CYCLE. THE OUTPUT SHAFT IS GEARED TO THE PLATEN WHICH CARRIES THE DOCUMENT AND ROTATES THE PLATED ONE LINE SPACE PER CLUTCH CYCLE. IN ADDITION, THE OUTPUT SHAFT DRIVES AN AXILIARY SHAFT ON WHICH THERE IS SELECTIVELY PLACED A CHANGEABLE PROGRAM DRUM WHICH HAS A PROTUBERANCE FOR EACH LINE OF THE DOCUMENT. SENSING MEANS PROVIDED TO SENSE THE PRORUBERANCES AND THE SENSING MEANS IS MADE TO CONTROL THE CLUTCH ACCORDINGLY, BY ADJUSTING SELECTED PROTUBERANCES ON THE PROGRAM DRUM THE DOCUMENT, CARRIED BY THE PLATEN, MAY BE LINE SPACED OR VERTICALLY TABULATED TO ANY PRESELECTED LINE LOCATION AS INDICATED BY THE SETTING AND THE SENSING OF THE CORRESPONDING PROTUBERANCE.
Inventors
- 👤 Henry E Smith
- 👤 Donald C Wilcox
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |