US3099188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power steering gear
Assignee: Old Carco LLC
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Filing: 1959-12-29
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Granted: 1963-07-30
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Expires: 1979-12-29
Abstract
No abstract record available.
Inventors
- 👤 Walter E Folkerts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:55
CPC Classifications
B; B62; B62D; B62D5/00; B62D5/06; B62D5/20; B62D5/24; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1956; Y10T74/20; Y10T74/20396; Y10T74/20474; Y10T74/20492
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
IN A POWER STEERING GEAR, A PERSONALLY ROTATABLE TUBULAR FIRST SHAFT, A POWER ROTATABLE SECOND SHAFT, A SHIFTABLE VALVE SPOOL, FLUID ACTUATED MEANS INCLUDING PORTIONS CARRIED BY SAID SPOOL FOR ROTATING SAID SECOND SHAFT UPON AXIAL SHIFTING OF SAID SPOOL, A TUBULAR VALVE ACTUATOR WITHIN SAID FIRST SHAFT, MEANS INTERCONNECTING SAID FIRST SHAFT AND VALVE ACTUATOR TO SHIFT THE SAME UPON ROTATION OF SAID FIRST SHAFT WITH RESPECT TO SAID SECOND SHAFT, ADJUST, MENT MEANS CONNECTING SAID ACTUATOR AND VALVE SPOOL TO ADJUST THE AXIAL POSITION OF THE LATTER WITH RESPECT TO SAID ACTUATOR, SAID ADJUSTMENT MEANS HAVING A PORTION ACCESSIBLE FROM ONE END OF SAID TUBULAR FIRST SHAFT, AND A FLUID SEALING PLUG CLOSING SAID ONE END OF SAID FIRST SHAFT, SAID PLUG BEING SHIFTABLE AXIALLY AND ROTATABLE WITHIN SAID ONE END AND HAVING A PORTION ENGAGEABLE WITH SAID ADJUSTMENT MEANS TO ACTUATE THE SAME WHEN SAID PLUG IS SHIFTED AXIALLY TOWARD SAID FIRST SCREW AND ROTATED, AND MEANS TO LIMIT AXIAL ENDWISE SHIFTING OF SAID PLUG FROM SAID ONE END.
Claim 2
Dependent Claim
172 words
IN A POWER STEERING GEAR, A PERSONALLY ROTATABLE TUBULAR FIRST SHAFT, A POWER ROTATABLE SECOND SHAFT, A SHIFTABLE VALVE SPOOL, FLUID ACTUATED MEANS INCLUDING PORTIONS CARRIED BY SAID SPOOL FOR ROTATING SAID SECOND SHAFT UPON AXIAL SHIFTING OF SAID SPOOL, A TUBULAR VALVE ACTUATOR WITHIN SAID FIRST SHAFT, MEANS INTERCONNECTING SAID FIRST SHAFT AND VALVE ACTUATOR TO SHIFT THE SAME UPON ROTATION OF SAID FIRST SHAFT WITH RESPECT TO SAID SECOND SHAFT, ADJUST, MENT MEANS CONNECTING SAID ACTUATOR AND VALVE SPOOL TO ADJUST THE AXIAL POSITION OF THE LATTER WITH RESPECT TO SAID ACTUATOR, SAID ADJUSTMENT MEANS HAVING A PORTION ACCESSIBLE FROM ONE END OF SAID TUBULAR FIRST SHAFT, AND A FLUID SEALING PLUG CLOSING SAID ONE END OF SAID FIRST SHAFT, SAID PLUG BEING SHIFTABLE AXIALLY AND ROTATABLE WITHIN SAID ONE END AND HAVING A PORTION ENGAGEABLE WITH SAID ADJUSTMENT MEANS TO ACTUATE THE SAME WHEN SAID PLUG IS SHIFTED AXIALLY TOWARD SAID FIRST SCREW AND ROTATED, AND MEANS TO LIMIT AXIAL ENDWISE SHIFTING OF SAID PLUG FROM SAID ONE END.
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |