US3078983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic uniform tension expansion take-up for oven conveyor
Assignee: YOUNG BROTHERS CO
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Filing: 1959-06-12
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Granted: 1963-02-26
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Expires: 1979-06-12
Abstract
No abstract record available.
Inventors
- 👤 Albert R Philips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:51
CPC Classifications
F; F27; F27B; F27B9/00; F27B9/14; F27B9/20; F27B9/24; F27B9/243; A; A21; A21B; A21B1/00; A21B1/42; A21B1/48; B; B65; B65G; B65G23/00; B65G23/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN AN ENDLESS CHAIN CONVEYOR HAVING GENERALLY PARALLEL OPPOSITELY TRAVELLING COURSES, A FIXED END SPROCKET, AND A MOVABLE IDLER SPROCKET HAVING AN AXIS PARALLEL TO AND CLOSELY SPACED FROM SAID FIXED SPROCKET, SAID CHAIN BEING TRAINED ABOUT SAID FIXED SPROCKET AND SAID MOVABLE SPROCKET; MEANS OPERATIVE TO EXERT A VARIABLE FORCE ON SAID IDLER SPROCKET TO SHIFT THE SAME IN A DIRECTION TO BALANCE THE FORCES IMPOSED ON SAID IDLER SPROCKET BY SAID CHAIN, SAID MEANS INCREASING SUCH VARIABLE FORCE AS THE LENGTH OF SAID CHAIN CONVEYOR INCREASES.
Claim 2
Dependent Claim
88 words
IN AN ENDLESS CHAIN CONVEYOR HAVING GENERALLY PARALLEL OPPOSITELY TRAVELLING COURSES, A FIXED END SPROCKET, AND A MOVABLE IDLER SPROCKET HAVING AN AXIS PARALLEL TO AND CLOSELY SPACED FROM SAID FIXED SPROCKET, SAID CHAIN BEING TRAINED ABOUT SAID FIXED SPROCKET AND SAID MOVABLE SPROCKET; MEANS OPERATIVE TO EXERT A VARIABLE FORCE ON SAID IDLER SPROCKET TO SHIFT THE SAME IN A DIRECTION TO BALANCE THE FORCES IMPOSED ON SAID IDLER SPROCKET BY SAID CHAIN, SAID MEANS INCREASING SUCH VARIABLE FORCE AS THE LENGTH OF SAID CHAIN CONVEYOR INCREASES.
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) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |