US3198223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
End guide for chain saw
Assignee: Timken US LLC
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Filing: 1963-11-12
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Granted: 1965-08-03
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Expires: 1983-11-12
Abstract
No abstract record available.
Inventors
- 👤 Iii Willard L Bowen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:57
CPC Classifications
B; B27; B27B; B27B17/00; B27B17/02; B27B17/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
AN ANTIFRICTION END GUIDE FOR A CHAIN SAW COMPRIING A THIN MOUNTING PLATE HAVING AN INNER SURFACE DEFINING AN OUTER BEARING RACE SURROUNDING A BORE THROUGH SAID MOUNTING PLATE, A BEARING RING EXTENDING THROUG SAID MOUNTING PLATE BORE, SAID BEARING RING HAVING AN OUTER SURFACE DEFINING AN INNER BEARING RACE OPPOSING SAID OUTER BEARING RACE, SAID INNER BEARING RACE BEING OF A GREATER WIDTH THAN SAID OUTER BEARING RACE AND PROJECTING TO OPPOSITE SIDES THEREOF, A SERIES OF ANTIFRICTION BEARING ROLLERS POSITIONED BETWEEN SAID BEARING RACES AND SUPPORTING SAID BEARING RING, SAID BEARING ROLLERS BEING OF A LENGTH IN EXCESS OF THE WIDTH OF SAID OUTER BEARING RACE, AND A PAIR OF SIDE DISKS SECURED TO FACES OF SAID BEARING RING AND PROJECTING RADIALLY OUTWARDLY BEYOND SAID OUTER BEARING RACE, SAID SIDE DISKS HAVING AXIALLY OFFSET OUTER FLANGES DISPOSED IN CLOSELY ADJACENT RELATION TO SAID MOUNTING PLATE AND SAID FLANGES HAVING RADIIALLY INWARDLY FACING EDGE PORTIONS OPPOSING SAID BEARING ROLLERS AND COMBINING WITH SAID OUTER RACE TO CONFINE SAID BEARING ROLLERS.
Claim 2
Dependent Claim
171 words
AN ANTIFRICTION END GUIDE FOR A CHAIN SAW COMPRIING A THIN MOUNTING PLATE HAVING AN INNER SURFACE DEFINING AN OUTER BEARING RACE SURROUNDING A BORE THROUGH SAID MOUNTING PLATE, A BEARING RING EXTENDING THROUG SAID MOUNTING PLATE BORE, SAID BEARING RING HAVING AN OUTER SURFACE DEFINING AN INNER BEARING RACE OPPOSING SAID OUTER BEARING RACE, SAID INNER BEARING RACE BEING OF A GREATER WIDTH THAN SAID OUTER BEARING RACE AND PROJECTING TO OPPOSITE SIDES THEREOF, A SERIES OF ANTIFRICTION BEARING ROLLERS POSITIONED BETWEEN SAID BEARING RACES AND SUPPORTING SAID BEARING RING, SAID BEARING ROLLERS BEING OF A LENGTH IN EXCESS OF THE WIDTH OF SAID OUTER BEARING RACE, AND A PAIR OF SIDE DISKS SECURED TO FACES OF SAID BEARING RING AND PROJECTING RADIALLY OUTWARDLY BEYOND SAID OUTER BEARING RACE, SAID SIDE DISKS HAVING AXIALLY OFFSET OUTER FLANGES DISPOSED IN CLOSELY ADJACENT RELATION TO SAID MOUNTING PLATE AND SAID FLANGES HAVING RADIIALLY INWARDLY FACING EDGE PORTIONS OPPOSING SAID BEARING ROLLERS AND COMBINING WITH SAID OUTER RACE TO CONFINE SAID BEARING ROLLERS.
References Cited (Backward Citations)
US2693206A
Cited
US2888964A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |