US3348709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control of multiple servo-motor actuated machines
Assignee: Auxitra SA
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Filing: 1965-10-22
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Granted: 1967-10-24
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Fauchere Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:53
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/20; E02F9/22; F; F15; F15B; F15B11/00; F15B11/16; F15B11/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
218 words
A DEVICE FOR THE CONTROL OF MACHINES HAVING A PLURALITY OF ACTIVE MEMBERS ACTUATED BY HYDRAULIC MEANS AND THE MOVEMENTS OF WHICH IS TO BE CONTROLLED INDEPENDENTLY AT WILL OR, ALTERNATIVELY, TO FOLLOW EACH OTHER AUTOMATICALLY IN A PRE-DETERMINED SEQUENCE, COMPRISING IN COMBINATION, A PLURALITY OF HYDRAULIC MEANS AND DISTRIBUTOR MEANS, A MAIN HYDRAULIC CIRCUIT FEEDING SAID HYDRAULIC MEANS WITH HYDRAULIC FLUID THROUGH SAID DISTRIBUTOR MEANS ASSOCIATED THEREWITH, AT LEAST ONE DISTRIBUTOR MEANS BEING ASSOCIATED WITH EACH HYDRAULIC MEANS, CONTROL MEMBERS ASSOCIATED WITH SAID DISTRIBUTOR MEANS FOR THE CONTROL THEREOF, SAID CONTROL MEMBERS BEING CONTROLLED SELECTIVELY EITHER INDEPENDENTLY BY FIRST MANUALLY OPERABLE MEANS ASSOCIATED TO EACH CONTROL MEMBER OR AUTOMATICALLY AND IN A PRE-DETERMINED SEQUENCE THROUGH AN AUXILIARY CIRCUIT COMPRISING SECOND MANUALLY OPERABLE MEANS HAVING TWO POSITIONS CORRESPONDING RESPECTIVELY TO THE PUTTING IN OR OUT OF ACTION OF SAID AUXILIARY CIRCUIT, SAID SECOND MEANS CAUSING FURTHER THE FEEDING WITH HYDRAULIC FLUID OF THE FIRST HYDRAULIC MEANS OF THE SEQUENCE, AND SWITCHING MEMBERS FOR CONTROLLING SAID CONTROL MEMBERS AND, THEREFORE, THE DISTRIBUTOR MEANS, AT LEAST ONE SWITCHING MEMBER COOPERATING WITH EACH OF SAID HYDRAULIC MEANS AND BEING ACTUATED UPON OPERATION THEREOF SO AS TO STOP AND TO PROVIDE RESPECTIVELY THE FEEDING WITH HYDRAULIC FLUID OF THE HYDRAULIC MEANS ASSOCIATED THEREWITH AND OF THE SUBSEQUENT HYDRAULIC MEANS IN THE SEQUENCE.
Claim 2
Independent Claim
218 words
A DEVICE FOR THE CONTROL OF MACHINES HAVING A PLURALITY OF ACTIVE MEMBERS ACTUATED BY HYDRAULIC MEANS AND THE MOVEMENTS OF WHICH IS TO BE CONTROLLED INDEPENDENTLY AT WILL OR, ALTERNATIVELY, TO FOLLOW EACH OTHER AUTOMATICALLY IN A PRE-DETERMINED SEQUENCE, COMPRISING IN COMBINATION, A PLURALITY OF HYDRAULIC MEANS AND DISTRIBUTOR MEANS, A MAIN HYDRAULIC CIRCUIT FEEDING SAID HYDRAULIC MEANS WITH HYDRAULIC FLUID THROUGH SAID DISTRIBUTOR MEANS ASSOCIATED THEREWITH, AT LEAST ONE DISTRIBUTOR MEANS BEING ASSOCIATED WITH EACH HYDRAULIC MEANS, CONTROL MEMBERS ASSOCIATED WITH SAID DISTRIBUTOR MEANS FOR THE CONTROL THEREOF, SAID CONTROL MEMBERS BEING CONTROLLED SELECTIVELY EITHER INDEPENDENTLY BY FIRST MANUALLY OPERABLE MEANS ASSOCIATED TO EACH CONTROL MEMBER OR AUTOMATICALLY AND IN A PRE-DETERMINED SEQUENCE THROUGH AN AUXILIARY CIRCUIT COMPRISING SECOND MANUALLY OPERABLE MEANS HAVING TWO POSITIONS CORRESPONDING RESPECTIVELY TO THE PUTTING IN OR OUT OF ACTION OF SAID AUXILIARY CIRCUIT, SAID SECOND MEANS CAUSING FURTHER THE FEEDING WITH HYDRAULIC FLUID OF THE FIRST HYDRAULIC MEANS OF THE SEQUENCE, AND SWITCHING MEMBERS FOR CONTROLLING SAID CONTROL MEMBERS AND, THEREFORE, THE DISTRIBUTOR MEANS, AT LEAST ONE SWITCHING MEMBER COOPERATING WITH EACH OF SAID HYDRAULIC MEANS AND BEING ACTUATED UPON OPERATION THEREOF SO AS TO STOP AND TO PROVIDE RESPECTIVELY THE FEEDING WITH HYDRAULIC FLUID OF THE HYDRAULIC MEANS ASSOCIATED THEREWITH AND OF THE SUBSEQUENT HYDRAULIC MEANS IN THE SEQUENCE.
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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |