US3078022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid bearing
Assignee: International Business Machines Corp
•
Filing: 1960-12-20
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Granted: 1963-02-19
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Expires: 1980-12-20
Abstract
No abstract record available.
Inventors
- 👤 Robert C Durbeck
- 👤 Raymond P Auyang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:27
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/04; B65H23/24; B21; B21C; B21C47/00; B21C47/34; B21C47/3466; B21C47/3475; B65G; B65G15/00; B65G15/60; F; F16; F16C; F16C32/00; F16C32/06; F16H; F16H7/00; F16H7/18; F16H7/20; G; G11; G11B; G11B15/00; G11B15/60; B65G2201/00; B65G2201/06; B65H2406/00; B65H2406/10; B65H2406/11; B65H2406/111; B65H2406/14; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/265; Y10T137/2663
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
IN A FLUID BEARING OF THE TYPE WHEREIN AN OBJECT IS SUPPORTED ADJACENT TO A SUPPORT MEMBER BY A FIRM OF TRANSLATING FLUID PASSED THROUGH A PERMEABLE PORTION OF SAID SUPPORT MEMBER, SAID PORTION BEING OF AN AREA AT LEAST AS GREAT AS THE AREA OF SURFACE OF SAID OBJECT IN PROXIMITY WITH SAID SUPPORT MEMBER, A DEVICE FOR CONTROLLING THE AREA OF SAID PERMEABLE PORTION, COMPRISING: CLOSURE MEANS FOR BLOCKING OFF PART OF SAID PERMEABLE PORTION; AND OPERATING MEANS FOR CONTROLLING THE POSITION OF SAID CLOSURE MEANS INCLUDING RESILIENT FORCE MEANS TENDING TO CAUSE SAID OPERATING MEANS TO MOVE SAID CLOSURE MEANS IN ONE DIRECTION SO AS TO CHANGE THE OPERATIVE AREA OF SAID PERMEABLE PORTION, AND PRESSURE RESPONSIVE MEANS OPERABLE IN RESPONSE TO CHANGES IN THE PRESSURE OF FLUID SUPPLIED TO SAID PERMEABLE PORTION TO CAUSE SAID OPERATING MEANS TO MOVE SAID CLOSURE MEANS IN A SECOND DIRECTION SO AS TO OPPOSE THE CHANGE IN OPERATIVE AREA OF SAID PERMEABLE PORTION CAUSED BY SAID RESILIENT FORCE MEANS.
Claim 2
Dependent Claim
169 words
IN A FLUID BEARING OF THE TYPE WHEREIN AN OBJECT IS SUPPORTED ADJACENT TO A SUPPORT MEMBER BY A FIRM OF TRANSLATING FLUID PASSED THROUGH A PERMEABLE PORTION OF SAID SUPPORT MEMBER, SAID PORTION BEING OF AN AREA AT LEAST AS GREAT AS THE AREA OF SURFACE OF SAID OBJECT IN PROXIMITY WITH SAID SUPPORT MEMBER, A DEVICE FOR CONTROLLING THE AREA OF SAID PERMEABLE PORTION, COMPRISING: CLOSURE MEANS FOR BLOCKING OFF PART OF SAID PERMEABLE PORTION; AND OPERATING MEANS FOR CONTROLLING THE POSITION OF SAID CLOSURE MEANS INCLUDING RESILIENT FORCE MEANS TENDING TO CAUSE SAID OPERATING MEANS TO MOVE SAID CLOSURE MEANS IN ONE DIRECTION SO AS TO CHANGE THE OPERATIVE AREA OF SAID PERMEABLE PORTION, AND PRESSURE RESPONSIVE MEANS OPERABLE IN RESPONSE TO CHANGES IN THE PRESSURE OF FLUID SUPPLIED TO SAID PERMEABLE PORTION TO CAUSE SAID OPERATING MEANS TO MOVE SAID CLOSURE MEANS IN A SECOND DIRECTION SO AS TO OPPOSE THE CHANGE IN OPERATIVE AREA OF SAID PERMEABLE PORTION CAUSED BY SAID RESILIENT FORCE MEANS.
References Cited (Backward Citations)
US2786673A
Cited
US2954911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |