Patent US3093227A successfully refreshed from Google Patents.
US3093227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stationary field clutch with slanted air gap
Assignee: ITE Circuit Breaker Co
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Filing: 1959-05-06
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Granted: 1963-06-11
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Expires: 1979-05-06
Abstract
No abstract record available.
Inventors
- 👤 Straub Hermann
- 👤 Blum Anselm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:53
CPC Classifications
F; F16; F16D; F16D27/00; F16D27/10; F16D27/108; F16D27/112; F16D27/115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
IN AN ELECTROMAGNETIC CLUTCH; A MAGNETIC STRUCTURE COMPRISED OF A MOVABLE PORTION AND A STATIONARY PORTION; A ROTATABLE SHAFT MEANS EXTENDING THROUGH SAID MAGNETIC STRUCTURE; SAID MOVABLE MAGNETIC PORTION BEING POSITIONED ADJACENT SAID STATIONARY PORTION AND BEING ATTRACTED TO SAID STATIONARY PORTION WHEN MAGNETIC FLUX FLOWS FROM SAID STATIONARY PORTION TO SAID MOVABLE PORTION; A FIRST BEARING MEANS FOR SUPPORTING SAID STATIONARY MAGNETIC PORTION WITH RESPECT TO SAID ROTATABLE SHAFT AND A SECOND BEARING MEANS FOR MAINTAINING SAID MOVABLE MAGNETIC PORTION AT A PREDETERMINED AXIAL SPACING WITH RESPECT TO SAID STATIONARY MAGNETIC PORTION; SAID FIRST BEARING MEANS INCLUDING A NEEDLE BEARING CONTAINED WITHIN A BUSHING FORMING AN AXIALLY DIRECTED OUTER RACE; SAID BUSHING HAVING A RADIAL EXTENSION; SAID RADIAL EXTENSION FORMING AN ABUTMENT FOR RECEIVING SAID SECOND BEARING MEANS.
Claim 2
Dependent Claim
129 words
IN AN ELECTROMAGNETIC CLUTCH; A MAGNETIC STRUCTURE COMPRISED OF A MOVABLE PORTION AND A STATIONARY PORTION; A ROTATABLE SHAFT MEANS EXTENDING THROUGH SAID MAGNETIC STRUCTURE; SAID MOVABLE MAGNETIC PORTION BEING POSITIONED ADJACENT SAID STATIONARY PORTION AND BEING ATTRACTED TO SAID STATIONARY PORTION WHEN MAGNETIC FLUX FLOWS FROM SAID STATIONARY PORTION TO SAID MOVABLE PORTION; A FIRST BEARING MEANS FOR SUPPORTING SAID STATIONARY MAGNETIC PORTION WITH RESPECT TO SAID ROTATABLE SHAFT AND A SECOND BEARING MEANS FOR MAINTAINING SAID MOVABLE MAGNETIC PORTION AT A PREDETERMINED AXIAL SPACING WITH RESPECT TO SAID STATIONARY MAGNETIC PORTION; SAID FIRST BEARING MEANS INCLUDING A NEEDLE BEARING CONTAINED WITHIN A BUSHING FORMING AN AXIALLY DIRECTED OUTER RACE; SAID BUSHING HAVING A RADIAL EXTENSION; SAID RADIAL EXTENSION FORMING AN ABUTMENT FOR RECEIVING SAID SECOND BEARING MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |