Patent US3399415A successfully refreshed from Google Patents.
US3399415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control systems for power rodder constructions
Assignee: CHAMPION CORP
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Filing: 1966-05-12
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Granted: 1968-09-03
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Expires: 1986-05-12
Abstract
No abstract record available.
Inventors
- 👤 Clifton E Hammond
- 👤 Henry R Cline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:53
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/043; B08B9/045; E; E03; E03F; E03F9/00; E03F9/002; E03F9/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
IN AN APPARATUS ADAPTED TO IMPART SIMULTANEOUS AXIAL AND ROTARY MOVEMENT TO AN ELEMENT PASSING THERETHROUGH, SAID APPARATUS INCLUDING A FIRST DRIVE MEANS FOR ENGAGING SAID ELEMENT TO DRIVE THE ELEMENT AXIALLY AND A SECOND DRIVE MEANS FOR IMPARTING ROTARY MOVEMENT TO MEANS HOLDING THE ELEMENT, AND INCLUDING HYDRAULIC MOTORS FOR EACH OF SAID DRIVE MEANS, THE IMPROVEMENT COMPRISING A SINGLE CONTROL LEVER FOR SAID MOTORS, A VALVE MEANS FOR EACH OF SAID MOTORS INTERPOSED BETWEEN SAID CONTROL LEVER AND SAID MOTORS, MEANS CONNECTING SAID LEVER TO EACH OF SAID VALVE MEANS, SAID CONNECTING MEANS INCLUDING A FLEXIBLE LINK MOVABLE AXIALLY OF ONE OF SAID VALVE MEANS FOR OPERATING THE VALVE MEANS AS SAID LEVER IS PIVOTED TOWARD AND AWAY FROM SAID ONE VALVE MEANS, AND A ROTARY ROD MEMBER CONNECTED TO THE OTHER VALVE MEANS, AND CONNECTED TO SAID LEVER, SAID ROD MEANS ROTATING IN SAID OTHER VALVE MEANS FOR OPERATING THE VALVE MEANS AS SAID LEVER IS PIVOTED ABOUT THE AXIS OF SAID ROD MEANS.
Claim 2
Dependent Claim
167 words
IN AN APPARATUS ADAPTED TO IMPART SIMULTANEOUS AXIAL AND ROTARY MOVEMENT TO AN ELEMENT PASSING THERETHROUGH, SAID APPARATUS INCLUDING A FIRST DRIVE MEANS FOR ENGAGING SAID ELEMENT TO DRIVE THE ELEMENT AXIALLY AND A SECOND DRIVE MEANS FOR IMPARTING ROTARY MOVEMENT TO MEANS HOLDING THE ELEMENT, AND INCLUDING HYDRAULIC MOTORS FOR EACH OF SAID DRIVE MEANS, THE IMPROVEMENT COMPRISING A SINGLE CONTROL LEVER FOR SAID MOTORS, A VALVE MEANS FOR EACH OF SAID MOTORS INTERPOSED BETWEEN SAID CONTROL LEVER AND SAID MOTORS, MEANS CONNECTING SAID LEVER TO EACH OF SAID VALVE MEANS, SAID CONNECTING MEANS INCLUDING A FLEXIBLE LINK MOVABLE AXIALLY OF ONE OF SAID VALVE MEANS FOR OPERATING THE VALVE MEANS AS SAID LEVER IS PIVOTED TOWARD AND AWAY FROM SAID ONE VALVE MEANS, AND A ROTARY ROD MEMBER CONNECTED TO THE OTHER VALVE MEANS, AND CONNECTED TO SAID LEVER, SAID ROD MEANS ROTATING IN SAID OTHER VALVE MEANS FOR OPERATING THE VALVE MEANS AS SAID LEVER IS PIVOTED ABOUT THE AXIS OF SAID ROD MEANS.
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) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |