Patent US3104071A successfully refreshed from Google Patents.
US3104071A
Expired / Lapsed
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Tape reel torque control system for tape handlers
Assignee: Potter Instrument Co Inc
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Filing: 1960-05-27
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Granted: 1963-09-17
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Expires: 1980-05-27
Abstract
No abstract record available.
Inventors
- 👤 Newberg Gerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:35
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/26; G11B15/28; G11B15/29; G11B15/44; G11B15/444
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN A TAPE HANDLER, THE COMBINATION OF, A PINCH ROLLER FOR MOVING TAPE IN A GIVEN DIRECTION, A TAKE-UP REEL, A DIRECT CURRENT MOTOR FOR WINDING-UP SAID TAPE IN SAID GIVEN DIRECTION, A RESISTOR IN SERIES WITH SAID MOTOR AND ITS SOURCE OF DIRECT CURRENT POWER, AN ELECTROMAGNET INCLUDING A COIL AND AN ARMATURE FOR PULLING SAID PINCH ROLLER INTO DRIVING POSITION CONTACT WITH SAID TAPE, A SOURCE OF CONTROL SIGNAL, A TRANSISTOR CONNECTED TO SAID SOURCE AND TO SAID COIL FOR ENERGIZING SAID ELECTRO-MAGNET, AND A SECOND TRANSISTOR CONNECTED TO SAID SOURCE AND TO SAID RESISTOR FOR INCREASING THE TORQUE OF SAID MOTOR.
Claim 2
Dependent Claim
104 words
IN A TAPE HANDLER, THE COMBINATION OF, A PINCH ROLLER FOR MOVING TAPE IN A GIVEN DIRECTION, A TAKE-UP REEL, A DIRECT CURRENT MOTOR FOR WINDING-UP SAID TAPE IN SAID GIVEN DIRECTION, A RESISTOR IN SERIES WITH SAID MOTOR AND ITS SOURCE OF DIRECT CURRENT POWER, AN ELECTROMAGNET INCLUDING A COIL AND AN ARMATURE FOR PULLING SAID PINCH ROLLER INTO DRIVING POSITION CONTACT WITH SAID TAPE, A SOURCE OF CONTROL SIGNAL, A TRANSISTOR CONNECTED TO SAID SOURCE AND TO SAID COIL FOR ENERGIZING SAID ELECTRO-MAGNET, AND A SECOND TRANSISTOR CONNECTED TO SAID SOURCE AND TO SAID RESISTOR FOR INCREASING THE TORQUE OF SAID MOTOR.
References Cited (Backward Citations)
US2732144A
Cited
US2726048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |