Patent US3229044A successfully refreshed from Google Patents.
US3229044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustment of magnetic heads
Assignee: US Philips Corp
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Filing: 1960-10-12
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Granted: 1966-01-11
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Expires: 1980-10-12
Abstract
No abstract record available.
Inventors
- 👤 Kokke Johannes Gerard Canisius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:46
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
A DEVICE FOR ADJUSTING THE GAP POSITION OF A MAGNETIC HEAD, COMPRISING: A SUPPORTING BODY, MEANS FOR FASTENING THE HEAD TO THE SUPPORTING BODY, A STATIONARY FRAME ELEMENT HAVING ELONGATED SLOTS THEREIN, A SHAFT PASSING THROUGH SAID SUPPORTING BODY AND SAID ELONGATED SLOTS IN A DIRECTION AT RIGHT ANGLES TO THE FRONT SURFACE OF THE HEAD, A SPRING BEARING AGAINST SAID FRAME ELEMENT AND URGED AGAINST ONE PORTION OF SAID HEAD ON ONE SIDE OF SAID SHAFT WITH THE INTERPOSTION OF A SET SCREW WHICH PASSES THROUGH SAID FRAME ELEMENT AND HAS ITS END CONTACTING ANOTHER PORTION OF SAID HEAD ON THE OTHER SIDE OF SAID SHAFT, SAID HEAD BAING BIASED TO ROTATE ABOUT SAID SHAFT UNDER THE URGING OF SAID SPRING WHILE THE SPRING URGES SAID SHAFT IN SAID ELONGATED SLOTS TOWARDS A PLURALITY OF ADJUSTING SCREWS PASSING THROUGH SAID FRAME ELEMENT WITH ENDS CONTACTING SAID SHAFT, THE ADJUSTMENT OF THE SET SCREW ROTATING THE HEAD ABOUT THE SHAFT, AND THE ADJUSTMENT OF THE ADJUSTING SCREWS CHANGING THE RELATIVE LATERAL POSITIONS OF THE HEAD AND THE FRAME.
Claim 2
Independent Claim
178 words
A DEVICE FOR ADJUSTING THE GAP POSITION OF A MAGNETIC HEAD, COMPRISING: A SUPPORTING BODY, MEANS FOR FASTENING THE HEAD TO THE SUPPORTING BODY, A STATIONARY FRAME ELEMENT HAVING ELONGATED SLOTS THEREIN, A SHAFT PASSING THROUGH SAID SUPPORTING BODY AND SAID ELONGATED SLOTS IN A DIRECTION AT RIGHT ANGLES TO THE FRONT SURFACE OF THE HEAD, A SPRING BEARING AGAINST SAID FRAME ELEMENT AND URGED AGAINST ONE PORTION OF SAID HEAD ON ONE SIDE OF SAID SHAFT WITH THE INTERPOSTION OF A SET SCREW WHICH PASSES THROUGH SAID FRAME ELEMENT AND HAS ITS END CONTACTING ANOTHER PORTION OF SAID HEAD ON THE OTHER SIDE OF SAID SHAFT, SAID HEAD BAING BIASED TO ROTATE ABOUT SAID SHAFT UNDER THE URGING OF SAID SPRING WHILE THE SPRING URGES SAID SHAFT IN SAID ELONGATED SLOTS TOWARDS A PLURALITY OF ADJUSTING SCREWS PASSING THROUGH SAID FRAME ELEMENT WITH ENDS CONTACTING SAID SHAFT, THE ADJUSTMENT OF THE SET SCREW ROTATING THE HEAD ABOUT THE SHAFT, AND THE ADJUSTMENT OF THE ADJUSTING SCREWS CHANGING THE RELATIVE LATERAL POSITIONS OF THE HEAD AND THE FRAME.
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |