US3149497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steering roller
Assignee: 3M Co
•
Filing: 1962-03-26
•
Granted: 1964-09-22
•
Expires: 1982-03-26
Abstract
No abstract record available.
Inventors
- 👤 Orville C Haugen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:03
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/10; B65G39/12; B65G39/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A TILTABLE ROLLER ASSEMBLY COMPRISING: A UNIPLANAR FIXED BENT SHAFT INCLUDING A STRAIGHT MEDIAL PORTION AND A TILTED END SECTION, SAID TILTED END SECTION BEING SUBSTANTIALLY ANGULAR TO SAID MEDIAL PORTION; AN ELONGATE HOLLOW TUBE REVOLVABLY SUPPORTED ABOUT A SYMMETRICAL FREE-TURNING ARCUATE BEARING LATERALLY POSITIONED ALONG THE SHAFT MEDIAL PORTION; A SPHERAL BEARING SLIDABLY MOUNTED ALONG THE SHAFT TILTED END SECTION; A PAIR OF END CAPS SLIDABLY FITTING OVER THE ENDS OF SAID HOLLOW TUBE, SAID END CAPS BEING RIGIDLY TIED TOGETHER INTERNALLY OF SAID HOLLOW TUBE, ONE OF SAID END CAPS REVOLVABLY SECURING SAID SPHERAL BEARING.
Claim 2
Dependent Claim
97 words
A TILTABLE ROLLER ASSEMBLY COMPRISING: A UNIPLANAR FIXED BENT SHAFT INCLUDING A STRAIGHT MEDIAL PORTION AND A TILTED END SECTION, SAID TILTED END SECTION BEING SUBSTANTIALLY ANGULAR TO SAID MEDIAL PORTION; AN ELONGATE HOLLOW TUBE REVOLVABLY SUPPORTED ABOUT A SYMMETRICAL FREE-TURNING ARCUATE BEARING LATERALLY POSITIONED ALONG THE SHAFT MEDIAL PORTION; A SPHERAL BEARING SLIDABLY MOUNTED ALONG THE SHAFT TILTED END SECTION; A PAIR OF END CAPS SLIDABLY FITTING OVER THE ENDS OF SAID HOLLOW TUBE, SAID END CAPS BEING RIGIDLY TIED TOGETHER INTERNALLY OF SAID HOLLOW TUBE, ONE OF SAID END CAPS REVOLVABLY SECURING SAID SPHERAL BEARING.
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |