US3228014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for providing fluid bearings
Assignee: RCA Corp
•
Filing: 1960-06-30
•
Granted: 1966-01-04
•
Expires: 1980-06-30
Abstract
No abstract record available.
Inventors
- 👤 Richard D Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:56
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/48; G11B5/4806; G11B5/4813; G11B23/00; G11B23/50; G11B23/502; G11B5/58; G11B5/60; G11B5/6005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
APPARATUS FOR SUPPORTING A PLURALITY OF MAGNETIC HEADS FOR COOPERATION WITH RECORD TRACKS ON THE SURFACE OF A MAGNETIC RECORD WHICH COMPRISES A SUPPORT MEMBER HAVING A SURFACE BOUNDED BY OPPOSITE, FRONT AND REAR EDGES, SAID HEADS HAVING SIGNAL GAPS, SAID HEADS BEING MOUNTED IN SPACED RELATION IN SAID MEMBER WITH SAID GAPS DISPOSED AT SAID REAR EDGE, SAID MEMBER HAVING A GROOVE EXTENDING FROM ITS SAID SURFACE AND GENERALLY PARALLELING SAID REAR EDGE, SAID MEMBER ALSO HAVING A PLURALITY OF NOTCHES THEREIN EACH EXTENDING BETWEEN ADJACENT ONES OF SAID HEADS FROM SAID GROOVE THROUGH SAID REAR EDGE, AND MEANS FOR MOUNTING SAID MEMBER AND SAID RECORD WITH SAID MEMBER SURFACE AND SAID RECORD SURFACE FACING EACH OTHER IN SPACED RELATIONSHIP SO THAT A HYDRODYNAMIC FLUID BEARING IS ESTABLISHED BETWEEN SAID SURFACES WHEN SAID RECORD AND MEMBER MOVE RELATIVE TO EACH OTHER.
Claim 2
Dependent Claim
142 words
APPARATUS FOR SUPPORTING A PLURALITY OF MAGNETIC HEADS FOR COOPERATION WITH RECORD TRACKS ON THE SURFACE OF A MAGNETIC RECORD WHICH COMPRISES A SUPPORT MEMBER HAVING A SURFACE BOUNDED BY OPPOSITE, FRONT AND REAR EDGES, SAID HEADS HAVING SIGNAL GAPS, SAID HEADS BEING MOUNTED IN SPACED RELATION IN SAID MEMBER WITH SAID GAPS DISPOSED AT SAID REAR EDGE, SAID MEMBER HAVING A GROOVE EXTENDING FROM ITS SAID SURFACE AND GENERALLY PARALLELING SAID REAR EDGE, SAID MEMBER ALSO HAVING A PLURALITY OF NOTCHES THEREIN EACH EXTENDING BETWEEN ADJACENT ONES OF SAID HEADS FROM SAID GROOVE THROUGH SAID REAR EDGE, AND MEANS FOR MOUNTING SAID MEMBER AND SAID RECORD WITH SAID MEMBER SURFACE AND SAID RECORD SURFACE FACING EACH OTHER IN SPACED RELATIONSHIP SO THAT A HYDRODYNAMIC FLUID BEARING IS ESTABLISHED BETWEEN SAID SURFACES WHEN SAID RECORD AND MEMBER MOVE RELATIVE TO EACH OTHER.
References Cited (Backward Citations)
US2862781A
Cited
US2899260A
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US2957051A
Cited
US2873683A
Cited
US2937240A
Cited
GB880342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |