US3130684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swash plate rotary machines
Assignee: Council of Scientific and Industrial Research
•
Filing: 1961-05-22
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Granted: 1964-04-28
•
Expires: 1981-05-22
Abstract
No abstract record available.
Inventors
- 👤 Firth Donald
- 👤 Hancock Roger Harvey Yorke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:50
CPC Classifications
F; F01; F01B; F01B3/00; F01B3/10; F01B3/103; F01B3/106
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN A SWASH PLATE ROTARY MACHINE, THE COMBINATION OF A TILTABLE SWASH PLATE MOUNTED BETWEEN TWO PIVOTS, A PAIR OF STRUTS HAVING ENDS ENGAGING DIAMETRICALLY OPPOSITE PARTS OF THE SWASH PLATE ADJACENT ITS PERIPHERY AND ON A LINE AT RIGHT ANGLES TO THE PIVOT AXIS, ABUTMENT MEMBERS ENGAGED BY THE STRUTS AT THEIR OTHER ENDS, HYDRAULIC RAMS CARRYING SAID ABUTMENT MEMBERS, CYLINDERS CONTAINING SAID RAMS EACH HAVING A PRESSURE-FLUID INLET AND CONTAINING A WORKING SPACE AT ONE END OF THE RAM, A PRESSUREFLUID INTERCONNECTION BETWEEN SAID INLETS, A PRESSURE-FLUID SUPPLY CONNECTION TO SAID INTERCONNECTION, A DAMPING
Claim 2
Dependent Claim
96 words
IN A SWASH PLATE ROTARY MACHINE, THE COMBINATION OF A TILTABLE SWASH PLATE MOUNTED BETWEEN TWO PIVOTS, A PAIR OF STRUTS HAVING ENDS ENGAGING DIAMETRICALLY OPPOSITE PARTS OF THE SWASH PLATE ADJACENT ITS PERIPHERY AND ON A LINE AT RIGHT ANGLES TO THE PIVOT AXIS, ABUTMENT MEMBERS ENGAGED BY THE STRUTS AT THEIR OTHER ENDS, HYDRAULIC RAMS CARRYING SAID ABUTMENT MEMBERS, CYLINDERS CONTAINING SAID RAMS EACH HAVING A PRESSURE-FLUID INLET AND CONTAINING A WORKING SPACE AT ONE END OF THE RAM, A PRESSUREFLUID INTERCONNECTION BETWEEN SAID INLETS, A PRESSURE-FLUID SUPPLY CONNECTION TO SAID INTERCONNECTION, A DAMPING
References Cited (Backward Citations)
US1794946A
Cited
US2265314A
Cited
US2409185A
Cited
US2696189A
Cited
GB812927A
Cited
US2953099A
Cited
US2915985A
Cited
US3051092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |