US3167656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoelectric machine tool control
Assignee: Commonwealth Engineering Company of Ohio
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Filing: 1960-08-10
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Granted: 1965-01-26
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Expires: 1980-08-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry A Toulmin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:30
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/12; B23Q35/127; B23Q35/128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN A CONTROL UNIT FOR A MACHINE TOOL HAVING A WORK PIECE AND TOOL SUPPORTS RELATIVELY MOVABLE IN TWO DIFFERENT DIRECTIONS; AN ELONGATED CHART, A PLURALITY OF LINES DRAWN LONGITUDINALLY ALONG THE CHART AS COLOR CONTRAST THEREON, MEANS FOR MOVING THE CHART IN THE DIRECTION OF ITS LENGTH, A PHOTO ELECTRIC SCANNING MEANS PERTAINING TO EACH LINE AND INCLUDING TWO PHOTO-ELECTRIC DETECTORS SENSITIVE TO THE LATERAL POSITION OF THE PERTAINING LINE ON THE CHART, AND MEANS SENSITIVE TO UNBALANCED ACTUATION OF THE DETECTORS FOR MOVING THE SAID SCANNING MEANS LATERALLY SO AS TO MAINTAIN A PREDETERMINED FIXED POSITION BETWEEN THE SCANNING MEANS AND THE PERTAINING LINES DURING MOVEMENT OF THE SAID CHART LONGITUDINALLY, SAID MOVEMENT OF SAID SCANNING MEANS OPERATING MEANS FOR CONTROLLING THE RELATIVE MOVEMENT OF SAID WORKPIECE AND TOOL SUPPORT AND SAID LAST-NAMED MEANS INCLUDING GEARS, AMPLIFIERS, REVERSING RELAYS AND MOTORS.
Claim 2
Dependent Claim
143 words
IN A CONTROL UNIT FOR A MACHINE TOOL HAVING A WORK PIECE AND TOOL SUPPORTS RELATIVELY MOVABLE IN TWO DIFFERENT DIRECTIONS; AN ELONGATED CHART, A PLURALITY OF LINES DRAWN LONGITUDINALLY ALONG THE CHART AS COLOR CONTRAST THEREON, MEANS FOR MOVING THE CHART IN THE DIRECTION OF ITS LENGTH, A PHOTO ELECTRIC SCANNING MEANS PERTAINING TO EACH LINE AND INCLUDING TWO PHOTO-ELECTRIC DETECTORS SENSITIVE TO THE LATERAL POSITION OF THE PERTAINING LINE ON THE CHART, AND MEANS SENSITIVE TO UNBALANCED ACTUATION OF THE DETECTORS FOR MOVING THE SAID SCANNING MEANS LATERALLY SO AS TO MAINTAIN A PREDETERMINED FIXED POSITION BETWEEN THE SCANNING MEANS AND THE PERTAINING LINES DURING MOVEMENT OF THE SAID CHART LONGITUDINALLY, SAID MOVEMENT OF SAID SCANNING MEANS OPERATING MEANS FOR CONTROLLING THE RELATIVE MOVEMENT OF SAID WORKPIECE AND TOOL SUPPORT AND SAID LAST-NAMED MEANS INCLUDING GEARS, AMPLIFIERS, REVERSING RELAYS AND MOTORS.
References Cited (Backward Citations)
US2125074A
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US2226677A
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US2537770A
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DE1037231B
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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) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |