US3217862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll stand construction for belt conveyors
Assignee: Jervis B Webb Co
•
Filing: 1962-07-25
•
Granted: 1965-11-16
•
Expires: 1982-07-25
Abstract
No abstract record available.
Inventors
- 👤 William E Herrmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:46
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A BELT CONVEYOR ROLL STAND COMPRISING: A PAIR OF SUPPORTING MEMBERS SPACED TRANSVERSELY OF THE DIRECTION OF BELT TRAVEL, A ROLL ASSEMBLY CONSISTING OF PAIR OF FLAT SHEET METAL FRAME BARS, BRACKET MEANS RIGIDLY INTERCONNECTING SAID FRAME BARS IN SPACED DOWNWARDLY CONVERGING RELATION AND AT LEAST ONE ROLL SUPPORTED BY SAID BRACKET MEANS FOR ROTATION ON AN AXIS INTERMEDIATE THE FRAME BARS; MEANS FOR DETECHABLY CONNECTING SAID ROLL ASSEMBLY TO SAID SUPPORTING MEMBERS INCLUDING A NOTCH FORMED IN THE LOWER EDGE OF EACH FRAME BAR ADJACENT EACH END THEREOF THEREBY PROVIDING A PAIR OF NOTCHES IN THE FRAME BARS AT EACH END OF THE ROLL ASSEMBLY; AND MEANS ON THE UPPER PORTION OF EACH OF SAID SUPPORTING MEMBERS FOR ENGAGEMENT BY ONE PAIR OF NOTCHES ON THE ROLL ASSEMBLY FRAME BARS TO LOCATE AND RETAIN THE ROLL ASSEMBLY ON THE SUPPORTING MEMBERS.
Claim 2
Dependent Claim
142 words
A BELT CONVEYOR ROLL STAND COMPRISING: A PAIR OF SUPPORTING MEMBERS SPACED TRANSVERSELY OF THE DIRECTION OF BELT TRAVEL, A ROLL ASSEMBLY CONSISTING OF PAIR OF FLAT SHEET METAL FRAME BARS, BRACKET MEANS RIGIDLY INTERCONNECTING SAID FRAME BARS IN SPACED DOWNWARDLY CONVERGING RELATION AND AT LEAST ONE ROLL SUPPORTED BY SAID BRACKET MEANS FOR ROTATION ON AN AXIS INTERMEDIATE THE FRAME BARS; MEANS FOR DETECHABLY CONNECTING SAID ROLL ASSEMBLY TO SAID SUPPORTING MEMBERS INCLUDING A NOTCH FORMED IN THE LOWER EDGE OF EACH FRAME BAR ADJACENT EACH END THEREOF THEREBY PROVIDING A PAIR OF NOTCHES IN THE FRAME BARS AT EACH END OF THE ROLL ASSEMBLY; AND MEANS ON THE UPPER PORTION OF EACH OF SAID SUPPORTING MEMBERS FOR ENGAGEMENT BY ONE PAIR OF NOTCHES ON THE ROLL ASSEMBLY FRAME BARS TO LOCATE AND RETAIN THE ROLL ASSEMBLY ON THE SUPPORTING MEMBERS.
References Cited (Backward Citations)
US1708885A
Cited
US2094748A
Cited
US2263506A
Cited
US2592831A
Cited
US2940600A
Cited
US3055487A
Cited
US3039727A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |