US3233131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eddy current clutch
Assignee: Individual
•
Filing: 1962-06-14
•
Granted: 1966-02-01
•
Expires: 1982-06-14
Abstract
No abstract record available.
Inventors
- 👤 Charles B Stegman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:37
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/02; H02K49/04; H02K49/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
AN EDDY CURRENT CLUTCH, COMPRISING: A SHAFT MEMBER; A COIL ASSEMBLY BEARING MOUNTED AROUND THE SHAFT MEMBER; A FIRST POLE CARRYING MEMBER OF MAGNETIC MATERIAL HAVING A CENTRAL OPENING THEREIN AND SUPPORTING A PLURALITY OF POLE MEMBERS EXTENDING RADIALLY OUTWARD FROM THE CENTRAL OPENING; BEARING MEANS EXTENDING AROUND THE SHAFT MEMBER WITHIN THE CENTRAL OPENING OF THE FIRST POLE CARRYING MEMBER FOR MOUNTING THE FIRST POLE CARRING MEMBER COAXIALLY AROUND THE SHAFT MEMBER AT ONE SIDE OF THE COIL ASSEMBLY; A SECOND POLE CARRYING MEMBER OF MAGNETIC MATERIAL HAVING AN OPENING CENTRALLY DISPOSED THEREIN AND SUPPORTING A PLURALITY OF POLE MEMBERS EXTENDING RADIALLY OUTWARD FROM THE CENTRAL OPENING; BEARING MEANS EXTENDING AROUND THE SHAFT WITHIN THE CENTRAL OPENING OF THE SECOND POLE CARRYING MEMBER TO MOUNT THE SECOND POLE CARRYING MEMBER COAXIALLY
Claim 2
Dependent Claim
132 words
AN EDDY CURRENT CLUTCH, COMPRISING: A SHAFT MEMBER; A COIL ASSEMBLY BEARING MOUNTED AROUND THE SHAFT MEMBER; A FIRST POLE CARRYING MEMBER OF MAGNETIC MATERIAL HAVING A CENTRAL OPENING THEREIN AND SUPPORTING A PLURALITY OF POLE MEMBERS EXTENDING RADIALLY OUTWARD FROM THE CENTRAL OPENING; BEARING MEANS EXTENDING AROUND THE SHAFT MEMBER WITHIN THE CENTRAL OPENING OF THE FIRST POLE CARRYING MEMBER FOR MOUNTING THE FIRST POLE CARRING MEMBER COAXIALLY AROUND THE SHAFT MEMBER AT ONE SIDE OF THE COIL ASSEMBLY; A SECOND POLE CARRYING MEMBER OF MAGNETIC MATERIAL HAVING AN OPENING CENTRALLY DISPOSED THEREIN AND SUPPORTING A PLURALITY OF POLE MEMBERS EXTENDING RADIALLY OUTWARD FROM THE CENTRAL OPENING; BEARING MEANS EXTENDING AROUND THE SHAFT WITHIN THE CENTRAL OPENING OF THE SECOND POLE CARRYING MEMBER TO MOUNT THE SECOND POLE CARRYING MEMBER COAXIALLY
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |