Patent US3176828A successfully refreshed from Google Patents.
US3176828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Accumulating conveyor having skewable rollers
Assignee: Alvey Ferguson Co
•
Filing: 1962-11-06
•
Granted: 1965-04-06
•
Expires: 1982-11-06
Abstract
No abstract record available.
Inventors
- 👤 Norman M Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:20
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/22; B65G47/26; B65G47/261
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
AN ARTICLE-ACCUMULATING CONVEYOR COMPRISING A SUPPORTING FRAME INCLUDING A PAIR OF RELATIVELY SPACED APART, PARALLEL, LONGITUDINALLY EXTENDING SIDE RAILS; A PLURALITY OF CYLINDRICAL, ARTICLE-CONVEYING ROLLERS EXTENDING GENERALLY TRANSVERSELY BETWEEN SAID RAILS; MEANS ON SAID RAILS FOR ROTATABLY SUPPORTING SAID ROLLERS AND PROVIDING FOR SELECTIVE ADJUSTMENT OF SAID ROLLERS BETWEEN SEVERAL DIFFERENT TRANSVERSELY ANGULAR POSITIONS WITH RESPECT TO SAID RAILS; AND MEANS FOR DRIVING SAID ROLLERS IN ROTATION, SAID LAST-NAMED MEANS INCLUDING A PLURALITY OF DRIVING WHEELS EACH HAVING A TRANSVERSELY CROWNED DRIVING SURFACE DISPOSED IN FRICTIONAL DRIVING ENGAGEMENT WITH AT LEAST ONE OF SAID ROLLERS REGARDLESS OF THE ANGULARLY ADJUSTED POSITION THEREOF.
Claim 2
Dependent Claim
102 words
AN ARTICLE-ACCUMULATING CONVEYOR COMPRISING A SUPPORTING FRAME INCLUDING A PAIR OF RELATIVELY SPACED APART, PARALLEL, LONGITUDINALLY EXTENDING SIDE RAILS; A PLURALITY OF CYLINDRICAL, ARTICLE-CONVEYING ROLLERS EXTENDING GENERALLY TRANSVERSELY BETWEEN SAID RAILS; MEANS ON SAID RAILS FOR ROTATABLY SUPPORTING SAID ROLLERS AND PROVIDING FOR SELECTIVE ADJUSTMENT OF SAID ROLLERS BETWEEN SEVERAL DIFFERENT TRANSVERSELY ANGULAR POSITIONS WITH RESPECT TO SAID RAILS; AND MEANS FOR DRIVING SAID ROLLERS IN ROTATION, SAID LAST-NAMED MEANS INCLUDING A PLURALITY OF DRIVING WHEELS EACH HAVING A TRANSVERSELY CROWNED DRIVING SURFACE DISPOSED IN FRICTIONAL DRIVING ENGAGEMENT WITH AT LEAST ONE OF SAID ROLLERS REGARDLESS OF THE ANGULARLY ADJUSTED POSITION THEREOF.
References Cited (Backward Citations)
US3127003A
Cited
US633572A
Cited
US744874A
Cited
US935669A
Cited
US1795192A
Cited
US2030816A
Cited
US1959157A
Cited
US1993519A
Cited
US2253198A
Cited
US2844370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |