Patent US3166184A successfully refreshed from Google Patents.
US3166184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belt conveyor roller strands
Assignee: Individual
•
Filing: 1962-06-13
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Granted: 1965-01-19
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Expires: 1982-06-13
Abstract
No abstract record available.
Inventors
- 👤 Boyd Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:39
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/02; B65G39/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A BELT CONVEYOR ROLLER STRAND COMPRISING, (A) A PLURALITY OF ROLLERS, (B) EACH ROLLER BEING FORMED WITH A NON-CIRCULAR SLOT EXTENDING AXIALLY THERETHROUGH, (C) AND A PLURALITY OF RIGID LINGS OF CROSS-SECTION COMPLEMENTARY TO SAID SLOTS TO FIT THEREIN, (D) SAID LINKS HAVING HOOKED ENDS JOINED TOGETHER IN A CHAIN TO SUPPORT SAID ROLLERS, (E) EACH OF AT LEAST SOME OF SAID LINKS EXTENDING FULLY THROUGH THE SLOT OF AN ASSOCIATED ROLLER TO PROJECT A SAID HOOKED END FROM EACH END OF SAID ROLLER WITH THE ROLLER SERVING TO FORM A CLOSED LOOP WITH THE HOOKED END AND THEREBY PREVENT SEPARATION OF THE LINKS, (F) A SURFACE AT EACH END OF EACH ROLLER ENGAGING THE PROJECTING ENDS OF ADJACENT LINKS TO POSITION SUCH ROLLER AXIALLY IN RELATION TO THE LINKS, AND TO MAINTAIN SAID ROLLERS SPACED APART FROM EACH OTHER.
Claim 2
Dependent Claim
140 words
A BELT CONVEYOR ROLLER STRAND COMPRISING, (A) A PLURALITY OF ROLLERS, (B) EACH ROLLER BEING FORMED WITH A NON-CIRCULAR SLOT EXTENDING AXIALLY THERETHROUGH, (C) AND A PLURALITY OF RIGID LINGS OF CROSS-SECTION COMPLEMENTARY TO SAID SLOTS TO FIT THEREIN, (D) SAID LINKS HAVING HOOKED ENDS JOINED TOGETHER IN A CHAIN TO SUPPORT SAID ROLLERS, (E) EACH OF AT LEAST SOME OF SAID LINKS EXTENDING FULLY THROUGH THE SLOT OF AN ASSOCIATED ROLLER TO PROJECT A SAID HOOKED END FROM EACH END OF SAID ROLLER WITH THE ROLLER SERVING TO FORM A CLOSED LOOP WITH THE HOOKED END AND THEREBY PREVENT SEPARATION OF THE LINKS, (F) A SURFACE AT EACH END OF EACH ROLLER ENGAGING THE PROJECTING ENDS OF ADJACENT LINKS TO POSITION SUCH ROLLER AXIALLY IN RELATION TO THE LINKS, AND TO MAINTAIN SAID ROLLERS SPACED APART FROM EACH OTHER.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-19 | 1968-07-20 | 1969-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-19 | 1972-07-20 | 1973-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-19 | 1976-07-20 | 1977-01-19 | $7700.00 | Window Closed / Lapsed |