US3262370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system
Assignee: Retor Developments Ltd
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Filing: 1964-08-19
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Granted: 1966-07-26
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Expires: 1984-08-19
Abstract
No abstract record available.
Inventors
- 👤 Lincoln S Magor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:32
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/18; B23K; B23K7/00; B23K7/002; B23K7/004; B23Q35/24; B23Q35/26; B23Q35/36; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/301624; Y10T409/30168; Y10T409/302072; Y10T409/302128; Y10T409/302184
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
IN A CONTROL FOR HYDRAULICALLY OPERATED MACHINES WHEREIN THE RELATIVE MOVEMENTS BETWEEN A TOOL AND A WORKPIECE CORRESPOND TO RELATIVE MOVEMENT BETWEEN A TRACER AND A PATTERN TO BE REPRODUCED; A FIRST VALVE CONNECTED TO CONTROL RELATIVE MOVEMENT OF TOOL AND WORKPIECE IN ONE DIRECTION; A SECOND VALVE CONNECTED TO CONTROL RELATIVE MOVEMENT OF TOOL AND WORKPIECE IN A DIRECTION PERPENDICULAR TO SAID ONE DIRECTION; A STYLUS MOUNTED TO FORM THE OPERATIVE PART OF SAID TRACER AND ARRANGED TO CONTACT AND BE DEFLECTED BY SAID PATTERN; SAID STYLUS BEING CONNECTED SO THAT WHEN DEFLECTED, SAID FIRST AND SECOND VALVES ARE CONTROLLED TO THE EXTEND NECESSARY TO PRODUCE RELATIVE MOVEMENT IN SAID TWO DIRECTIONS SUCH THAT THE RESULTANT RELATIVE MOVEMENT OF SAID STYLUS RELATIVE TO PATTERN IS IN THE DIRECTION OF SAID DEFLECTION; MEANS ROTATABLY MOUNTED FOR BIASING SAID STYLUS IN A PREDETERMINED DIRECTION, RELATIVE TO SAID MEANS; AN ORIENTATION CONTROL FOR SAID BIASING MEANS; MEANS FOR SUMMING SAID RELATIVE MOVEMENTS IN SAID TWO DIRECTIONS; AND IN RESPONSE TO SAID SUM EXCEEDING A PREDETERMINED AMOUNT FOR ROTATING SAID ORIENTATION CONTROL IN ONE DIRECTION; AND IN RESPONSE TO SAID SUM BEING LESS THAN A PREDETERMINED AMOUNT, ROTATING SAID ORIENTATION CONTROL IN THE OPPOSITE DIRECTION.
Claim 2
Dependent Claim
202 words
IN A CONTROL FOR HYDRAULICALLY OPERATED MACHINES WHEREIN THE RELATIVE MOVEMENTS BETWEEN A TOOL AND A WORKPIECE CORRESPOND TO RELATIVE MOVEMENT BETWEEN A TRACER AND A PATTERN TO BE REPRODUCED; A FIRST VALVE CONNECTED TO CONTROL RELATIVE MOVEMENT OF TOOL AND WORKPIECE IN ONE DIRECTION; A SECOND VALVE CONNECTED TO CONTROL RELATIVE MOVEMENT OF TOOL AND WORKPIECE IN A DIRECTION PERPENDICULAR TO SAID ONE DIRECTION; A STYLUS MOUNTED TO FORM THE OPERATIVE PART OF SAID TRACER AND ARRANGED TO CONTACT AND BE DEFLECTED BY SAID PATTERN; SAID STYLUS BEING CONNECTED SO THAT WHEN DEFLECTED, SAID FIRST AND SECOND VALVES ARE CONTROLLED TO THE EXTEND NECESSARY TO PRODUCE RELATIVE MOVEMENT IN SAID TWO DIRECTIONS SUCH THAT THE RESULTANT RELATIVE MOVEMENT OF SAID STYLUS RELATIVE TO PATTERN IS IN THE DIRECTION OF SAID DEFLECTION; MEANS ROTATABLY MOUNTED FOR BIASING SAID STYLUS IN A PREDETERMINED DIRECTION, RELATIVE TO SAID MEANS; AN ORIENTATION CONTROL FOR SAID BIASING MEANS; MEANS FOR SUMMING SAID RELATIVE MOVEMENTS IN SAID TWO DIRECTIONS; AND IN RESPONSE TO SAID SUM EXCEEDING A PREDETERMINED AMOUNT FOR ROTATING SAID ORIENTATION CONTROL IN ONE DIRECTION; AND IN RESPONSE TO SAID SUM BEING LESS THAN A PREDETERMINED AMOUNT, ROTATING SAID ORIENTATION CONTROL IN THE OPPOSITE DIRECTION.
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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |