Patent US3207048A successfully refreshed from Google Patents.
US3207048A
Expired / Lapsed
US
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Rotary actuator structure
Assignee: Houdaille Industries Inc
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Filing: 1963-01-25
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Granted: 1965-09-21
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Expires: 1983-01-25
Abstract
No abstract record available.
Inventors
- 👤 Rumsey Rollin Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:40
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/08; F15B15/12; B; B60; B60P; B60P1/00; B60P1/54; B60P1/5404; B60P1/5423; B60P1/5433; E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/38; E02F3/382; E02F3/384; Y; Y10; Y10S; Y10S277/00; Y10S277/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IN A ROTARY ACTUATOR, A HOUSING HAVING AN ACTUATOR CHAMBER THEREIN HAVING END WALLS AND AN INNER PERPHERAL WALL CONNECTING SAID END WALLS TOGETHER, A FIXED ABUTMENT EXTENDING ACROSS SAID PERIPHERAL WALL, INLETS INTO SAID CHAMBER AND OUTLETS FROM SAID CHAMBER ON OPPOSITE SIDES OF SAID FIXED ABUTMENT, A SHAFT ROTATABLY JOURNALLED IN SAID HOUSING, SAID SHAFT HAVING A LEAST TWO VANE PARTS EXTENDING GENERALLY RADIALLY THEREFROM AND SPACED APART TO DEFINE A GENERALLY RADIAL SEALING SLOT, UNITARY SEALING MEANS INSERTABLE WITHIN SAID SLOT AND HAVING SLIDABLE SEALING ENGAGEMENT WITH A WALL OF SAID CHAMBER, SAID SEALING MEANS COMPRISING A SPACER, AN O-RING EXTENDING ABOUT SAID SPACER, A PLASTIC SEAL EXTENDING ABOUT SAID O-RING AND HAVING RIGHT ANGLED RECTILINEAR SEALING FACES HAVING SEALING ENGAGEMENT WITH THE END WALLS AND AN INNER PERIPHERAL WALL OF SAID CHAMBER, THREADED MEANS STRUCTURAL-
Claim 2
Dependent Claim
139 words
IN A ROTARY ACTUATOR, A HOUSING HAVING AN ACTUATOR CHAMBER THEREIN HAVING END WALLS AND AN INNER PERPHERAL WALL CONNECTING SAID END WALLS TOGETHER, A FIXED ABUTMENT EXTENDING ACROSS SAID PERIPHERAL WALL, INLETS INTO SAID CHAMBER AND OUTLETS FROM SAID CHAMBER ON OPPOSITE SIDES OF SAID FIXED ABUTMENT, A SHAFT ROTATABLY JOURNALLED IN SAID HOUSING, SAID SHAFT HAVING A LEAST TWO VANE PARTS EXTENDING GENERALLY RADIALLY THEREFROM AND SPACED APART TO DEFINE A GENERALLY RADIAL SEALING SLOT, UNITARY SEALING MEANS INSERTABLE WITHIN SAID SLOT AND HAVING SLIDABLE SEALING ENGAGEMENT WITH A WALL OF SAID CHAMBER, SAID SEALING MEANS COMPRISING A SPACER, AN O-RING EXTENDING ABOUT SAID SPACER, A PLASTIC SEAL EXTENDING ABOUT SAID O-RING AND HAVING RIGHT ANGLED RECTILINEAR SEALING FACES HAVING SEALING ENGAGEMENT WITH THE END WALLS AND AN INNER PERIPHERAL WALL OF SAID CHAMBER, THREADED MEANS STRUCTURAL-
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |