US3260482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Directional control assembly
Assignee: Piasecki Aircraft Corp
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Filing: 1964-12-03
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Granted: 1966-07-12
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Expires: 1984-12-03
Abstract
No abstract record available.
Inventors
- 👤 Stroukoff Oleg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:11
CPC Classifications
B; B64; B64C; B64C27/00; B64C27/82; B64C2027/8236; B64C2027/8254; B64C2027/8263; B64C2027/8272
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A DIRECTIONAL CONTROL ASSEMBLY FOR AIRCRAFT COMPRISING, A CIRCULAR SHROUD HAVING A CENTER AXIS, A PROPERLLER IN THE THE SHROUD MOUNTED FOR ROTATION ABOUT THE AXIS OF THE SHROUD, A PLURALITY OF CONTROL VANES PIVOTALLY MOUNTED IN THE SHROUD IN THE PATH OF THE SLIPSTREAM FROM THE PROPELLER IN PARALLEL, SPACED ARRANGEMENT, CONTROL LINKAGE INTERCONNECTING THE VANES TO PROVIDE SIMULTANEOUS MOVEMENT OF THE VANES, THE SHROUD HAVING AN UNBROKEN OUTER WALL AND AN INNER WALL HAVING A RECESS ADJACENT THE EDGE THEREOF REMOTE FROM THE PROPELLER AND IN ALIGNMENT WITH THE PARALLEL SPACED CONTROL VANES, AN AUXILIARY VANE HAVING THE CURVATURE OF THE INNER WALL OF THE SHROUD PIVOTALLY MOUNTED ON THE SHROUD FOR SEATING IN THE RECESS FLUSH WITH THE INNER WALL OF THE SHROUD IN AN INOPERATIE POSITION, AND AUXILIARY LINKAGE CONNECTING THE AUXILIARY VANE AND THE CONTROL LINKAGE FOR MOVING THE AUXILIARY VANE ABOUT ITS PIVOTAL MOUNTING WITH MOVEMENT OF THE CONTROL VANES TO AND FROM AN OPERATIVE POSITION AT AN ANGLE TO THE INNER WALL OF THE SHROUD.
Claim 2
Dependent Claim
172 words
A DIRECTIONAL CONTROL ASSEMBLY FOR AIRCRAFT COMPRISING, A CIRCULAR SHROUD HAVING A CENTER AXIS, A PROPERLLER IN THE THE SHROUD MOUNTED FOR ROTATION ABOUT THE AXIS OF THE SHROUD, A PLURALITY OF CONTROL VANES PIVOTALLY MOUNTED IN THE SHROUD IN THE PATH OF THE SLIPSTREAM FROM THE PROPELLER IN PARALLEL, SPACED ARRANGEMENT, CONTROL LINKAGE INTERCONNECTING THE VANES TO PROVIDE SIMULTANEOUS MOVEMENT OF THE VANES, THE SHROUD HAVING AN UNBROKEN OUTER WALL AND AN INNER WALL HAVING A RECESS ADJACENT THE EDGE THEREOF REMOTE FROM THE PROPELLER AND IN ALIGNMENT WITH THE PARALLEL SPACED CONTROL VANES, AN AUXILIARY VANE HAVING THE CURVATURE OF THE INNER WALL OF THE SHROUD PIVOTALLY MOUNTED ON THE SHROUD FOR SEATING IN THE RECESS FLUSH WITH THE INNER WALL OF THE SHROUD IN AN INOPERATIE POSITION, AND AUXILIARY LINKAGE CONNECTING THE AUXILIARY VANE AND THE CONTROL LINKAGE FOR MOVING THE AUXILIARY VANE ABOUT ITS PIVOTAL MOUNTING WITH MOVEMENT OF THE CONTROL VANES TO AND FROM AN OPERATIVE POSITION AT AN ANGLE TO THE INNER WALL OF THE SHROUD.
References Cited (Backward Citations)
US2929580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |