Patent US3537072A successfully refreshed from Google Patents.
US3325710A
Expired / Lapsed
US
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Torque and speed motor control for the removal of material with a cutting tool
Assignee: DYNA SYSTEMS Inc
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Filing: 1965-03-08
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Granted: 1967-06-13
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Expires: 1985-03-08
Abstract
No abstract record available.
Inventors
- 👤 Rollin A Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:43
CPC Classifications
B; B23; B23Q; B23Q15/00; B23Q15/007; B23Q15/12; H; H02; H02P; H02P29/00; H02P29/40; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/301624; Y10T409/30168
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
116 words
APPARATUS FOR REMOVING MATERIAL FROM A WORKPIECE WITH A CUTTING TOOL, COMPRISING: POWER MEANS FOR EFFECTING MOVEMENT OF SAID TOOL AND SAID WORKPIECE RELATIVELY IN A CUTTING DIRECTION, CONTROL MEANS FOR ESTABLISHING FOR SAID POWER MEANS A MAXIMUM SPEED OF OPERATION AND A MAXIMUM DELIVERABLE FORCE, SAID CONTROL MEANS INCLUDING MEANS FOR SENSING CHANGES IN RESISTANCE TO SAID MOVEMENT, AND MEANS RESPONSIVE TO SAID SENSING MEANS FOR CHANGING THE SPEED OF SAID MOVEMENT TO VARY SAID SPEED AND FORCE OF SAID POWER MEANS ACCORDING TO THE FORMULA A+B=100 WHEREIN A IS ACTUAL SPEED EXPRESSED AS A PERCENTAGE OF SAID MAXIMUM SPEED AND B IS THE ACTUAL FORCE EXPRESSED AS A PERCENTAGE OF SAID MAXIMUM DELIVERABLE FORCE.
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) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |