US3319015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary head position adjusting apparatus
Assignee: Ampex Corp
•
Filing: 1963-07-17
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Granted: 1967-05-09
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Expires: 1983-07-17
Abstract
No abstract record available.
Inventors
- 👤 Eccarius Norman
- 👤 John A Lomax
- 👤 William J Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:34
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/48; G11B5/52; G11B5/53
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
IN A ROTATING HEAD DRUM FOR A MAGNETIC TAPE TRANSPORT, MEANS FOR MOUNTING TRANSDUCING HEADS ON SAID DRUM, COMPRISING: A PLURALITY OF ELEMENTS EACH BEING SELECTIVELY VARIABLE IN DIMENSION IN A PREDETERMINED DIRECTION; A FIRST OF SAID ELEMENTS BEING MOUNTED ON SAID DRUM AND ENGAGING ONE OF SAID HEADS ON THE RADIALLY INWARD END THEREOF AND ON ONE SIDE, WITH SAID PREDETERMINED DIRECTION OF SAID FIRST ELEMENT BEING ALIGNED WITH THE RADIUS OF SAID DRUM AT SAID ONE HEAD; A SECOND OF SAID ELEMENTS BEING MOUNTED ON SAID DRUM AND ENGAGING SAID ONE HEAD ON THE DIRECTION OF SAID SECOND OF, WITH SAID PREDETERMINED DIRECTION OF SAID SECOND ELEMENT ALIGNED TRANSVERSE TO SAID RADIUS; A THIRD OF SAID ELEMENTS BEING MOUNTED ON SAID DRUM AND ENGAGING SAID ONE SIDE OF SAID HEAD, BETWEEN SAID SECOND ELEMENT AND THE PERIPHERY OF SAID DRUM, WITH SAID PREDETERMINED DIRECTION OF SAID THIRD ELEMENT TRANSVERSE TO SAID RADIUS; AND MEANS FOR HOLDING SAID HEAD AGAINST SAID DRUM.
Claim 2
Dependent Claim
163 words
IN A ROTATING HEAD DRUM FOR A MAGNETIC TAPE TRANSPORT, MEANS FOR MOUNTING TRANSDUCING HEADS ON SAID DRUM, COMPRISING: A PLURALITY OF ELEMENTS EACH BEING SELECTIVELY VARIABLE IN DIMENSION IN A PREDETERMINED DIRECTION; A FIRST OF SAID ELEMENTS BEING MOUNTED ON SAID DRUM AND ENGAGING ONE OF SAID HEADS ON THE RADIALLY INWARD END THEREOF AND ON ONE SIDE, WITH SAID PREDETERMINED DIRECTION OF SAID FIRST ELEMENT BEING ALIGNED WITH THE RADIUS OF SAID DRUM AT SAID ONE HEAD; A SECOND OF SAID ELEMENTS BEING MOUNTED ON SAID DRUM AND ENGAGING SAID ONE HEAD ON THE DIRECTION OF SAID SECOND OF, WITH SAID PREDETERMINED DIRECTION OF SAID SECOND ELEMENT ALIGNED TRANSVERSE TO SAID RADIUS; A THIRD OF SAID ELEMENTS BEING MOUNTED ON SAID DRUM AND ENGAGING SAID ONE SIDE OF SAID HEAD, BETWEEN SAID SECOND ELEMENT AND THE PERIPHERY OF SAID DRUM, WITH SAID PREDETERMINED DIRECTION OF SAID THIRD ELEMENT TRANSVERSE TO SAID RADIUS; AND MEANS FOR HOLDING SAID HEAD AGAINST SAID DRUM.
References Cited (Backward Citations)
US3020359A
Cited
US3227815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |