Patent US3577316A successfully refreshed from Google Patents.
US3577316A
Expired / Lapsed
US
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Replaceable deflector blade structure for a papermaking machine
Assignee: Beloit Corp
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Filing: 1969-01-06
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Granted: 1971-05-04
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Expires: 1989-01-06
Abstract
Abstract ARRANGEMENT FOR RELEASING A FOIL OR DEFLECTOR BLADE ASSOCIATED WITH A TRVELING FOURDRINIER WIRE TO ENABLE THE BLADE TO BE QUICKLY REPLACED. THE DEFLECTOR BLADE, WHICH CONSTITUTES A DE-WATERING ELEMENT, HAS A DOVETAIL BY WHICH IT IS HELD ON A RAIL BY A DOVETAIL RECESS FORMED BY THE RAIL AND A SLIDE POSITIONED IN THE RAIL. LONGITUDINAL POSITION OF THE SLIDE IN THE RAIL DETERMINES WHETHER THE DOVETAIL RECESS IS NARROWED TO GRIP THE DOVETAIL OF THE DEFLECTOR BLADE AND THEREBY HOLD IT ON THE RAIL OR IS WIDENED TO RELEASE THE DOVETAIL, AND THEREBY PERMIT EASY REMOVAL OF THE BLADE FROM THE RAIL.
Inventors
- 👤 Andre G Piette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:59
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/48; D21F1/483; F; F16; F16B; F16B2200/00; F16B2200/30; Y; Y10; Y10T; Y10T403/00; Y10T403/71; Y10T403/7117
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-03 | 1974-11-02 | 1975-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-03 | 1978-11-02 | 1979-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-03 | 1982-11-02 | 1983-05-04 | $7700.00 | Window Closed / Lapsed |