US3208681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake mechanism for tape recorders
Assignee: Viking of Minneapolis Inc
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Filing: 1963-10-11
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Granted: 1965-09-28
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Expires: 1983-10-11
Abstract
No abstract record available.
Inventors
- 👤 Wayne E Schober
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:48
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
201 words
BRAKING MECHANISM FOR A MAGNETIC RECORDER, SAID RECORDER COMPRISING, A FRAME STRUCTURE, A PAIR OF REEL DRIVING SHAFTS, A PAIR OF REELS EACH MOUNTED ON A DIFFERENT ONE OF SAID SHAFTS, AND POWER-OPERATED MECHANISM CARRIED BY SAID FRAME STRUCTURE FOR IMPARTING ROTARY DRIVING MOVEMENTS TO SAID SHAFTS SELECTIVELY EACH IN A DIRECTION COUNTER TO THE DIRECTION OF ROTATION OF THE OTHER, WHEREBY A RECORDING CARRIER IS UNWOUND FROM ONE OF SAID REELS AND WOUND UPON THE OTHER THEREOF BY ROTARY POWER APPLIED TO SAID OTHER REEL, SAID BRAKE MECHANISM COMPRISING: (A) A PAIR OF CYLINDRICAL BRAKE DRUMS EACH FAST ON A DIFFERENT ONE OF SAID SHAFTS, (B) A PAIR OF ELONGATED FLEXIBLE BRAKE MEMBERS EACH LOOSELY WOUND AT LEAST ONE FULL TURN ABOUT A DIFFERENT ONE OF SAID BRAKE DRUMS AND EACH HAVING INNER AND OUTER ENDS EXTENDING TANGENTIALY FROM THEIR RESPECTIVE DRUMS, (C) A PAIR OF YIELDING ELEMENTS ON EACH CONNECTED TO SAID FRAME STRUCTURE AND TO A DIFFERENT ONE OF SAID OUTER ENDS AND YIELDINGLY BIASING SAID BRAKE MEMBERS IN A DRUM ENGAGING DIRECTION, (D) SAID OUTER ENDS EXTENDING FROM THEIR RESPECTIVE DRUMS TOWARD THEIR RESPECTIVE YIELDING MEANS EACH IN THE DIRECTION OF POWER-DRIVEN ROTATION OF ITS RESPECTIVE DRUMS,
Claim 2
Dependent Claim
201 words
BRAKING MECHANISM FOR A MAGNETIC RECORDER, SAID RECORDER COMPRISING, A FRAME STRUCTURE, A PAIR OF REEL DRIVING SHAFTS, A PAIR OF REELS EACH MOUNTED ON A DIFFERENT ONE OF SAID SHAFTS, AND POWER-OPERATED MECHANISM CARRIED BY SAID FRAME STRUCTURE FOR IMPARTING ROTARY DRIVING MOVEMENTS TO SAID SHAFTS SELECTIVELY EACH IN A DIRECTION COUNTER TO THE DIRECTION OF ROTATION OF THE OTHER, WHEREBY A RECORDING CARRIER IS UNWOUND FROM ONE OF SAID REELS AND WOUND UPON THE OTHER THEREOF BY ROTARY POWER APPLIED TO SAID OTHER REEL, SAID BRAKE MECHANISM COMPRISING: (A) A PAIR OF CYLINDRICAL BRAKE DRUMS EACH FAST ON A DIFFERENT ONE OF SAID SHAFTS, (B) A PAIR OF ELONGATED FLEXIBLE BRAKE MEMBERS EACH LOOSELY WOUND AT LEAST ONE FULL TURN ABOUT A DIFFERENT ONE OF SAID BRAKE DRUMS AND EACH HAVING INNER AND OUTER ENDS EXTENDING TANGENTIALY FROM THEIR RESPECTIVE DRUMS, (C) A PAIR OF YIELDING ELEMENTS ON EACH CONNECTED TO SAID FRAME STRUCTURE AND TO A DIFFERENT ONE OF SAID OUTER ENDS AND YIELDINGLY BIASING SAID BRAKE MEMBERS IN A DRUM ENGAGING DIRECTION, (D) SAID OUTER ENDS EXTENDING FROM THEIR RESPECTIVE DRUMS TOWARD THEIR RESPECTIVE YIELDING MEANS EACH IN THE DIRECTION OF POWER-DRIVEN ROTATION OF ITS RESPECTIVE DRUMS,
References Cited (Backward Citations)
US2911162A
Cited
US2868470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |