US3103148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid power system
Assignee: H Ernault Batignolles SA
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Filing: 1961-06-22
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Granted: 1963-09-10
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Expires: 1981-06-22
Abstract
No abstract record available.
Inventors
- 👤 Brusque Rene Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:41
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/18; B23Q2735/00; B23Q2735/02; B23Q2735/08; B23Q2735/082; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2533
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
IN A MACHINE TOOL INCLUDING A HYDRAULICALLY RECIPROCABLE MEMBER AND A ROTATABLE LEAD SCREW CONNECTED TO SAID MEMBER FOR LENGTHWISE MOVEMENT THEREWITH, A STATIONARY VALVE CONTROL SYSTEM FOR SAID RECIPROCABLE MEMBER COMPRISING A VALVE MEANS MOVABLE BETWEEN A PREDETERMINED ADVANCE POSITION AND A PREDETERMINED RETURN POSITION, A ROTATABLE ROD INTEGRAL WITH SAID VALVE MEANS, A WORM GEAR FORMED ON SAID ROD, A FIRST WORM-WHEEL IN MESHING ENGAGEMENT WITH SAID WORM GEAR, A SECOND WORM-WHEEL IN MESHING ENGAGEMENT WITH SAID LEAD SCREW AND INCLUDING A DRIVE CONNECTION WITH SAID FIRST WORM-WHEEL, SAID DRIVE CONNECTION BEING EFFECTIVE TO LOCK SAID FIRST WORM-WHEEL AGAINST ROTATION BY REACTION OF SAID SECOND WORM-WHEEL AGAINST SAID LEAD SCREW OR TO ROTATE SAID FIRST WORM-WHEEL AND THEREBY SHIFT SAID VALVE MEANS, IN ACCORDANCE WITH ANY LENGTHWISE OR ROTARY MOVEMENT OF SAID LEAD SCREW, A CLUTCH INTERPOSED IN SAID DRIVE CONNECTION, MEANS FOR ROTATING SAID WORM GEAR IN A SELECTED DIRECTION AT A SELECTED SUBSTANTIALLY CONSTANT SPEED FOR CAUSING SAID WORM GEAR TO REACT AGAINST SAID FIRST WORM-WHEEL SO AS
Claim 2
Dependent Claim
172 words
IN A MACHINE TOOL INCLUDING A HYDRAULICALLY RECIPROCABLE MEMBER AND A ROTATABLE LEAD SCREW CONNECTED TO SAID MEMBER FOR LENGTHWISE MOVEMENT THEREWITH, A STATIONARY VALVE CONTROL SYSTEM FOR SAID RECIPROCABLE MEMBER COMPRISING A VALVE MEANS MOVABLE BETWEEN A PREDETERMINED ADVANCE POSITION AND A PREDETERMINED RETURN POSITION, A ROTATABLE ROD INTEGRAL WITH SAID VALVE MEANS, A WORM GEAR FORMED ON SAID ROD, A FIRST WORM-WHEEL IN MESHING ENGAGEMENT WITH SAID WORM GEAR, A SECOND WORM-WHEEL IN MESHING ENGAGEMENT WITH SAID LEAD SCREW AND INCLUDING A DRIVE CONNECTION WITH SAID FIRST WORM-WHEEL, SAID DRIVE CONNECTION BEING EFFECTIVE TO LOCK SAID FIRST WORM-WHEEL AGAINST ROTATION BY REACTION OF SAID SECOND WORM-WHEEL AGAINST SAID LEAD SCREW OR TO ROTATE SAID FIRST WORM-WHEEL AND THEREBY SHIFT SAID VALVE MEANS, IN ACCORDANCE WITH ANY LENGTHWISE OR ROTARY MOVEMENT OF SAID LEAD SCREW, A CLUTCH INTERPOSED IN SAID DRIVE CONNECTION, MEANS FOR ROTATING SAID WORM GEAR IN A SELECTED DIRECTION AT A SELECTED SUBSTANTIALLY CONSTANT SPEED FOR CAUSING SAID WORM GEAR TO REACT AGAINST SAID FIRST WORM-WHEEL SO AS
References Cited (Backward Citations)
US2601157A
Cited
US2994304A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |