US3342312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor belt cleaner
Assignee: Individual
•
Filing: 1966-02-10
•
Granted: 1967-09-19
•
Expires: 1986-02-10
Abstract
No abstract record available.
Inventors
- 👤 Robert C Reiter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:37
CPC Classifications
B; B65; B65G; B65G45/00; B65G45/10; B65G45/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A CLEANER FOR A CONVEYOR BELT ADAPTED TO ENGAGE THE BELT ON THE RETURN RUN FROM BELOW INCLUDING A SUPPORT ADAPTED TO BE MOUNTED TRANSVERSELY OF THE BELT TO BE CLEANED, AND A PLURALITY OF TORSION SPRINGS, EACH TORSION SPRING HAVING ONE END PORTION SECURED TO SAID SUPPORT AND HAVING ON THE OTHER END PORTION A WIPER BLADE WHICH IS ENGAGEABLE WITH THE BELT, EACH OF SAID TORSION SPRINGS BEING IN THE FORM OF AN ELONGATED ARM OF GENERALLY CIRCULAR CROSSSECTION SUBSTANTIALLY EQUAL IN FLEXIBILITY, IN THE LENGTH THEREOF BETWEEN SAID END PORTIONS, IN PLANES NORMAL TO AND PARALLELING THE DIRECTION OF TRAVEL OF SAID BELT RETURN RUN.
Claim 2
Dependent Claim
108 words
A CLEANER FOR A CONVEYOR BELT ADAPTED TO ENGAGE THE BELT ON THE RETURN RUN FROM BELOW INCLUDING A SUPPORT ADAPTED TO BE MOUNTED TRANSVERSELY OF THE BELT TO BE CLEANED, AND A PLURALITY OF TORSION SPRINGS, EACH TORSION SPRING HAVING ONE END PORTION SECURED TO SAID SUPPORT AND HAVING ON THE OTHER END PORTION A WIPER BLADE WHICH IS ENGAGEABLE WITH THE BELT, EACH OF SAID TORSION SPRINGS BEING IN THE FORM OF AN ELONGATED ARM OF GENERALLY CIRCULAR CROSSSECTION SUBSTANTIALLY EQUAL IN FLEXIBILITY, IN THE LENGTH THEREOF BETWEEN SAID END PORTIONS, IN PLANES NORMAL TO AND PARALLELING THE DIRECTION OF TRAVEL OF SAID BELT RETURN RUN.
References Cited (Backward Citations)
US1975591A
Cited
US2794540A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |