US3551980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for assembling vane and abutment seals in rotary actuators and the like
Assignee: Houdaille Industries Inc
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Filing: 1968-09-03
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Granted: 1971-01-05
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Expires: 1988-09-03
Abstract
Abstract A METHOD OF ASSEMBLING SEALS IN SLOTTED ABUTMENT AND WING SHAFT VANES OF A ROTARY ACTUATOR WHILE THE WING SHAFT IS IN ASSEMBLED RELATION WITHIN THE ACTUATOR HOUSING, COMPRISING APPLYING ABOUT THE JOURNALLED PORTION OF THE WING SHAFT THE COLLAR OF A SEAL-ASSEMBLING TOOL WHICH INCLUDES A SEAL GUIDING SLOT, ORIENTING THE COLLAR TO ALIGN THE SEAL GUIDING SLOT WITH A SEAL SLOT IN ANY SELECTED ONE OF THE ABUTMENTS OR VANES, ACCURATELY MATCH- ING THE EXIT END OF THE GUIDE SLOT WITH THE ENTRY END OF THE SELECTED SEAL SLOT, AND THRUSTING A SEAL ASSEMBLY THROUGH THE GUIDE SLOT INTO THE SEAL SLOT.
Inventors
- 👤 George H Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:13
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B25; B25B; B25B27/00; B25B27/0028; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49448; Y10T29/49449; Y10T29/49636; Y10T29/49702; Y10T29/49826; Y10T29/49863; Y10T29/4987
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |