Patent US3225233A successfully refreshed from Google Patents.
US3225233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capstan drive mechanism
Assignee: Winston Research Corp
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Filing: 1963-01-08
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Granted: 1965-12-21
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Expires: 1983-01-08
Abstract
No abstract record available.
Inventors
- 👤 Albert C Kirilouckas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:20
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/0007; G11B15/00; G11B15/18; G11B15/26; G11B15/28; G11B15/29; G11B15/46; G11B15/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A CAPSTAN DRIVE ASSEMBLY INCLUDING: A STATIONARY HOUSING; FIRST AND SECOND STATIONARY SHAFTS MOUNTED IN SAID HOUSING AND EXTENDING OUT OF SAID HOUSING ALONG RESPECTIVE FIRST AND SECOND SPACED PARALLEL AXES; FIRST AND SECOND HOLLOW CAPSTAN SHAFTS ROTATABLY SUPPORTED ON RESPECTIVE ONES OF SAID STATIONARY SHAFTS FOR ROTATION ABOUT CORRESPONDING ONES OF SAID AXES AND EXTENDING OUT OF SAID HOUSING; FIRST AND SECOND ELECTRIC MOTOR ARMATURES RESPECTIVELY AFFIXED TO SAID HOLLOW CAPSTAN SHAFTS AND POSITIONED IN SAID HOUSING; AND FIRST AND SECOND GROUPS OF MAGNETS MOUNTED IN SAID HOUSING, SAID GROUPS BEING RESPECTIVELY DISPOSED AROUND SAID FIRST AND SECOND AXES IN MAGNETICALLY COUPLED RELATIONSHIP WITH RESPECTIVE ONES OF SAID ARMATURES TO PRODUCE ROTATABLE MOVEMENT OF SAID ARMATURES AND OF SAID HOLLOW CAPSTAN SHAFTS ABOUT CORRESPONDING ONES OF SAID AXES.
Claim 2
Dependent Claim
129 words
A CAPSTAN DRIVE ASSEMBLY INCLUDING: A STATIONARY HOUSING; FIRST AND SECOND STATIONARY SHAFTS MOUNTED IN SAID HOUSING AND EXTENDING OUT OF SAID HOUSING ALONG RESPECTIVE FIRST AND SECOND SPACED PARALLEL AXES; FIRST AND SECOND HOLLOW CAPSTAN SHAFTS ROTATABLY SUPPORTED ON RESPECTIVE ONES OF SAID STATIONARY SHAFTS FOR ROTATION ABOUT CORRESPONDING ONES OF SAID AXES AND EXTENDING OUT OF SAID HOUSING; FIRST AND SECOND ELECTRIC MOTOR ARMATURES RESPECTIVELY AFFIXED TO SAID HOLLOW CAPSTAN SHAFTS AND POSITIONED IN SAID HOUSING; AND FIRST AND SECOND GROUPS OF MAGNETS MOUNTED IN SAID HOUSING, SAID GROUPS BEING RESPECTIVELY DISPOSED AROUND SAID FIRST AND SECOND AXES IN MAGNETICALLY COUPLED RELATIONSHIP WITH RESPECTIVE ONES OF SAID ARMATURES TO PRODUCE ROTATABLE MOVEMENT OF SAID ARMATURES AND OF SAID HOLLOW CAPSTAN SHAFTS ABOUT CORRESPONDING ONES OF SAID AXES.
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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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |