Patent US3224338A successfully refreshed from Google Patents.
US3224338A
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Method of and means for controlling the removal of material with a cutting tool
Assignee: DYNA SYSTEMS Inc
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Filing: 1961-04-03
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Granted: 1965-12-21
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Expires: 1981-04-03
Abstract
No abstract record available.
Inventors
- 👤 Rollin A Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:27
CPC Classifications
B; B23; B23Q; B23Q15/00; B23Q15/007; B23Q15/12; H; H02; H02P; H02P29/00; H02P29/40; Y; Y10; Y10T; Y10T408/00; Y10T408/16; Y10T408/165; Y10T408/17; Y10T408/172; Y10T409/00; Y10T409/30; Y10T409/303752; Y10T409/303808; Y10T409/306664; Y10T409/307224; Y10T409/30728
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
THE METHOD OF REMOVING MATERIAL FROM A WORKPIECE WITH A CUTTING TOOL DRIVEN BY A POWER MEANS, COMPRISING THE STEPS OF; ESTABLISHING A MAXIMUM SPEED OF OPERATION AND MAXIMUM DELIVERABLE FORCE FOR SAID POWER MEANS; CAUSING SAID POWER MEANS TO MOVE SAID TOOL AND SAID WORKPIECE RELATIVELY IN A CUTTING DIRECTION TO REMOVE MATERIAL FROM SAID WORKPIECE; SENSING CHANGES IN THE RESISTANCE TO SUCH CUTTING MOVEMENT; CAUSING SAID SENSED CHANGES TO CHANGE THE SPEED OF MOVEMENT OF SAID TOOL IN SUCH MANNER THAT THE ACTUAL SPEED OF SAID TOOL, EXPRESSED AS A PERCENTAGE OF SAID MAXIMUM SPEED, ADDED TO THE ACTUAL FORCE EXERTED ON SAID TOOL, EXPRESSED AS A PERCENTAGE OF SAID MAXIMUM FORCE, IS SUBSTANTIALLY CONSTANT.
Claim 2
Independent Claim
117 words
THE METHOD OF REMOVING MATERIAL FROM A WORKPIECE WITH A CUTTING TOOL DRIVEN BY A POWER MEANS, COMPRISING THE STEPS OF; ESTABLISHING A MAXIMUM SPEED OF OPERATION AND MAXIMUM DELIVERABLE FORCE FOR SAID POWER MEANS; CAUSING SAID POWER MEANS TO MOVE SAID TOOL AND SAID WORKPIECE RELATIVELY IN A CUTTING DIRECTION TO REMOVE MATERIAL FROM SAID WORKPIECE; SENSING CHANGES IN THE RESISTANCE TO SUCH CUTTING MOVEMENT; CAUSING SAID SENSED CHANGES TO CHANGE THE SPEED OF MOVEMENT OF SAID TOOL IN SUCH MANNER THAT THE ACTUAL SPEED OF SAID TOOL, EXPRESSED AS A PERCENTAGE OF SAID MAXIMUM SPEED, ADDED TO THE ACTUAL FORCE EXERTED ON SAID TOOL, EXPRESSED AS A PERCENTAGE OF SAID MAXIMUM FORCE, IS SUBSTANTIALLY CONSTANT.
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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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |