Patent US3244341A successfully refreshed from Google Patents.
US3244341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape drive mechanism
Assignee: UNITED DATA CONTROL Inc
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Filing: 1963-06-03
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Granted: 1966-04-05
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Expires: 1983-06-03
Abstract
No abstract record available.
Inventors
- 👤 Gilman Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:13
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
IN A MAGNETIC TAPE CARTRIDGE ADAPTED TO RANDOMLY STORE IN CONTINUOUS LOOP OF MAGNETIC TAPE, THE COMBINATION COMPRISING: A MAGNETIC TRANSDUCER UNIT WITHIN SAID CARTRIDGE; A CONTINUOUS LOOP TAPE DRIVE BELT IN CONTACT WITH A PORTION OF SAID TAPE FOR TRANSPORTING SAID TAPE PAST SAID TRANSDUCER UNIT AND MAINTAINING SAID TAPE IN PHYSICAL CONTACT WITH SAID TRANSDUCER UNIT; A TAPE GUIDE ROLLER ADAPTED TO ENGAGE A PORTION OF SAID TAPE AFTER SAID TAPE HAS BEEN TRANSPORTED PAST SAID TRANSDUCER UNIT; ROLLER MEANS FOR IMPARTING A CONTROLLED LINEAR VELOCITY TO SAID DRIVE BELT; A FIRST BELT GUIDE ROLLER SPACED FROM SAID TAPE GUIDE ROLLER FOR PHYSICALLY SEPARATING SAID BELT FROM SAID TAPE WHEN SAID TAPE AND BELT HAVE PASSED SAID MAGNETIC TRANSDUCER UNIT; AND A SECOND BELT GUIDE ROLLER, SAID SECOND GUIDE ROLLER BEING ADJUSTABLE TO BRING ABOUT SUBSTANTIALLY SINGLE LINE TANGENTIAL CONTACT ACROSS THE WIDTH OF SAID TAPE BETWEEN SAID BELT AND THE PORTION OF SAID TAPE ENGAGED BY SAID TAPE GUIDE ROLLER, WHEREBY SAID DRIVE BELT IMPARTS MOTION TO SAID TAPE AND SAID TAPE GUIDE ROLLER WITHOUT CAUSING SAID TAPE TO SLOW DOWN AND ACCUMULATE WITHIN SAID CARTRIDGE BETWEEN SAID TRANSDUCER UNIT AND SAID TAPE GUIDE ROLLER.
Claim 2
Dependent Claim
198 words
IN A MAGNETIC TAPE CARTRIDGE ADAPTED TO RANDOMLY STORE IN CONTINUOUS LOOP OF MAGNETIC TAPE, THE COMBINATION COMPRISING: A MAGNETIC TRANSDUCER UNIT WITHIN SAID CARTRIDGE; A CONTINUOUS LOOP TAPE DRIVE BELT IN CONTACT WITH A PORTION OF SAID TAPE FOR TRANSPORTING SAID TAPE PAST SAID TRANSDUCER UNIT AND MAINTAINING SAID TAPE IN PHYSICAL CONTACT WITH SAID TRANSDUCER UNIT; A TAPE GUIDE ROLLER ADAPTED TO ENGAGE A PORTION OF SAID TAPE AFTER SAID TAPE HAS BEEN TRANSPORTED PAST SAID TRANSDUCER UNIT; ROLLER MEANS FOR IMPARTING A CONTROLLED LINEAR VELOCITY TO SAID DRIVE BELT; A FIRST BELT GUIDE ROLLER SPACED FROM SAID TAPE GUIDE ROLLER FOR PHYSICALLY SEPARATING SAID BELT FROM SAID TAPE WHEN SAID TAPE AND BELT HAVE PASSED SAID MAGNETIC TRANSDUCER UNIT; AND A SECOND BELT GUIDE ROLLER, SAID SECOND GUIDE ROLLER BEING ADJUSTABLE TO BRING ABOUT SUBSTANTIALLY SINGLE LINE TANGENTIAL CONTACT ACROSS THE WIDTH OF SAID TAPE BETWEEN SAID BELT AND THE PORTION OF SAID TAPE ENGAGED BY SAID TAPE GUIDE ROLLER, WHEREBY SAID DRIVE BELT IMPARTS MOTION TO SAID TAPE AND SAID TAPE GUIDE ROLLER WITHOUT CAUSING SAID TAPE TO SLOW DOWN AND ACCUMULATE WITHIN SAID CARTRIDGE BETWEEN SAID TRANSDUCER UNIT AND SAID TAPE GUIDE ROLLER.
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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |