US3136936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool control system
Assignee: Seneca Falls Machine Co
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Filing: 1958-09-08
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Granted: 1964-06-09
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Expires: 1978-09-08
Abstract
No abstract record available.
Inventors
- 👤 Robert H Eisengrein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:31
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/12; B23Q35/121; B23Q35/123; B23Q2735/00; B23Q2735/02; B23Q2735/06; B23Q2735/062; G; G05; G05B; G05B2219/00; G05B2219/30; G05B2219/49; G05B2219/49392; Y; Y10; Y10T; Y10T409/00; Y10T409/50; Y10T409/500164
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
316 words
A CONTROL SYSTEM FOR TAKING MULTIPLE PASSES ON A WORKPIECE WITH A MACHINE TOOL HAVING A CARRIAGE MOVABLE IN OPPOSITE DIRECTIONS AND A TOOL HOLDER MOVABLE RELATIVE THERETO COMPRISING MEANS PROVIDING FIRST ELECTRICAL REFERENCES INDICATIVE OF THE DESIRED CARRIAGE STARTING POSITIONS FOR THE DIFFERENT PASSES, MEANS ELECTRICALLY COMPARING THE ACTUAL CARRIAGE POSITION PRIOR TO EACH PASS WITH THE FIRST REFERENCE INDICATING THE DESIRED CARRIAGE STARTING POSTION FOR THE PASS AND PRODUCING A FIRST CONTROL SIGNAL, CARRIAGE DRIVE MEANS, MEANS RESPONSIVE TO SAID FIRST CONTROL SIGNAL FOR CAUSING SAID CARRIAGE DRIVE MEANS TO MOVE THE CARRIAGE INTO THE DESIRED STARTING POSTION, MEANS PROVIDING SECOND ELECTRICAL REFERENCE INDICATIVE OF DESIRED TOOL HOLDER POSTIONS FOR THE DIFFERENT PASSES, MEANS ELECTRICALLY COMPARING THE ACTUAL TOOL HOLDER POSITION PRIOR TO EACH PASS WITH THE SECOND REFERENCE INDICATIVE OF THE DESIRED TOOL HOLDER POSITION FOR THE PASS AND PRODUCING A SECOND CONTROL SIGNAL, TOOL HOLDER DRIVE MEANS, MEANS RESPONSIVE TO SAID SECOND CONTROL SIGNAL FOR CAUSING SAID TOOL HOLDER DRIVE MEANS TO MOVE THE TOOL HOLDER INTO THE DESIRED POSITION, MEANS PROVIDING THIRD ELECTRICAL REFERENCES INDICATIVE OF THE DESIRED CARRIAGE END CUT POSITIONS FOR THE DIFFERENT PASSES, MEANS CAUSING SAID CARRIAGE DRIVE MEANS TO FEED THE CARRIAGE FROM THE STARTING POSITION TO THE END CUT POSITION THEREOF, MEANS ELECTRICALLY COMPARING THE ACTUAL CARRIAGE POSITION DURING EACH PASS WITH THE DESIRED END CUT POSTION THEREOF FOR THE PASS AND PRODUCING A THIRD CONTROL SIGNAL, MEANS RESPONSIVE TO SAID THIRD CONTROL SIGNAL FOR STOPPING THE CARRIAGE FEED WHEN THE CARRIAGE REACHES THE END CUT POSITION THEREOF FOR THE PASS, AND MEANS COORDINATING THE OPERATION OF SAID CARRIAGE AND TOOL HOLDER DRIVE MEANS IN RESPONSE TO SAID FIRST SECOND AND THIRD CONTROL SIGNALS WHEREBY THE CARRIAGE IS MOVED INTO THE DESIRED STARTING POSTION AND THE TOOL HOLDER IS MOVED INTO THE DESIRED POSITION THEREOF BEFORE THE CARRIAGE IS FED TO THE DESIRED END CUT POSITION.
Claim 2
Dependent Claim
316 words
A CONTROL SYSTEM FOR TAKING MULTIPLE PASSES ON A WORKPIECE WITH A MACHINE TOOL HAVING A CARRIAGE MOVABLE IN OPPOSITE DIRECTIONS AND A TOOL HOLDER MOVABLE RELATIVE THERETO COMPRISING MEANS PROVIDING FIRST ELECTRICAL REFERENCES INDICATIVE OF THE DESIRED CARRIAGE STARTING POSITIONS FOR THE DIFFERENT PASSES, MEANS ELECTRICALLY COMPARING THE ACTUAL CARRIAGE POSITION PRIOR TO EACH PASS WITH THE FIRST REFERENCE INDICATING THE DESIRED CARRIAGE STARTING POSTION FOR THE PASS AND PRODUCING A FIRST CONTROL SIGNAL, CARRIAGE DRIVE MEANS, MEANS RESPONSIVE TO SAID FIRST CONTROL SIGNAL FOR CAUSING SAID CARRIAGE DRIVE MEANS TO MOVE THE CARRIAGE INTO THE DESIRED STARTING POSTION, MEANS PROVIDING SECOND ELECTRICAL REFERENCE INDICATIVE OF DESIRED TOOL HOLDER POSTIONS FOR THE DIFFERENT PASSES, MEANS ELECTRICALLY COMPARING THE ACTUAL TOOL HOLDER POSITION PRIOR TO EACH PASS WITH THE SECOND REFERENCE INDICATIVE OF THE DESIRED TOOL HOLDER POSITION FOR THE PASS AND PRODUCING A SECOND CONTROL SIGNAL, TOOL HOLDER DRIVE MEANS, MEANS RESPONSIVE TO SAID SECOND CONTROL SIGNAL FOR CAUSING SAID TOOL HOLDER DRIVE MEANS TO MOVE THE TOOL HOLDER INTO THE DESIRED POSITION, MEANS PROVIDING THIRD ELECTRICAL REFERENCES INDICATIVE OF THE DESIRED CARRIAGE END CUT POSITIONS FOR THE DIFFERENT PASSES, MEANS CAUSING SAID CARRIAGE DRIVE MEANS TO FEED THE CARRIAGE FROM THE STARTING POSITION TO THE END CUT POSITION THEREOF, MEANS ELECTRICALLY COMPARING THE ACTUAL CARRIAGE POSITION DURING EACH PASS WITH THE DESIRED END CUT POSTION THEREOF FOR THE PASS AND PRODUCING A THIRD CONTROL SIGNAL, MEANS RESPONSIVE TO SAID THIRD CONTROL SIGNAL FOR STOPPING THE CARRIAGE FEED WHEN THE CARRIAGE REACHES THE END CUT POSITION THEREOF FOR THE PASS, AND MEANS COORDINATING THE OPERATION OF SAID CARRIAGE AND TOOL HOLDER DRIVE MEANS IN RESPONSE TO SAID FIRST SECOND AND THIRD CONTROL SIGNALS WHEREBY THE CARRIAGE IS MOVED INTO THE DESIRED STARTING POSTION AND THE TOOL HOLDER IS MOVED INTO THE DESIRED POSITION THEREOF BEFORE THE CARRIAGE IS FED TO THE DESIRED END CUT POSITION.
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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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |