Patent US3554064A successfully refreshed from Google Patents.
US3554064A
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Servo controlled dimension stabilizer for machine tools
Assignee: Textron Inc
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Filing: 1969-03-21
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Granted: 1971-01-12
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Expires: 1989-03-21
Abstract
Abstract A SERVO CONTROLLED STABILIZER FOR MAINTAINING CONSTANT A DIMENSION OF A MACHINE TOOL, AN EXAMPLE BEING THE AXIAL SPACING BETWEEN THE STYLUS OF THE TRACER AND THE CUTTING TOOL WHICH IT CONTROLS. THIS IS ACCOMPLISHED BY PROVIDING A TEMPERATURE INSENSITIVE ROD ALONG THE LENGTH OF THE MECHANISM, THE ROD BEING ANCHORED AT ONE END TO THE BODY WHOSE LENGTH IS TO BE CONTROLLED AND SUPPORTED AT ITS OTHER BY A MOTION SENSITIVE ELEMENT SUCH AS A STRAIN GAUGE ALSO MOUNTED TO BODY, THE OUTPUT OF THE STRAIN GAUGE BEING UTILIZED TO OPERATE A HEATER OR COOLER FOR MAINTAINING THE DIMENSION OF THE SPACING AT A STABLE CONDITION BY CONTROLLING THE TEMPERATURE OF THE BODY.
Inventors
- 👤 Dawson C Skillen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:34
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/0003; B23Q11/0007; Y; Y10; Y10S; Y10S82/00; Y10S82/90; Y10T; Y10T82/00; Y10T82/14; Y10T82/141; Y10T82/143; Y10T82/145; Y10T82/25; Y10T82/2572; Y10T82/2574; Y10T83/00; Y10T83/283
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |