US3176120A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control mechanism for machine tools
Assignee: EMI Ltd
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Filing: 1961-02-21
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Granted: 1965-03-30
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Expires: 1981-02-21
Abstract
No abstract record available.
Inventors
- 👤 Whitemore Gerald
- 👤 Tyzack Donald Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:28
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/41; G05B19/4105; G05B2219/00; G05B2219/30; G05B2219/50; G05B2219/50334
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
AUTOMATIC CONTROL APPARATUS SUITABLE FOR CONTROLLING THE RELATIVE DISPLACEMENT OF A CUTTER AND A WORKPIECE ACCORDING TO A DESIRED OUTLINE COMPRISING A SOURCE OF A SIGNAL WHICH VARIES TO REPRESENT THE VALUE OF A FIRST COORDINATE ASSOCIATED WITH THE CORRESPONDING VALUE OF A SECOND-CO-ORDINATE TO DEFINE SAID OUTLINE, MEANS FOR RESOLVING A FURTHER SIGNAL REPRESENTING A DIMENSION OF SAID CUTTER ACTING IN THE INSTANTANEOUS DIRECTION OF THE NORMAL TO SAID OUTLINE INTO COMPONENT SIGNALS IN THE DIRECTIONS OF SAID CO-ORDINATES, DERIVING MEANS RESPONSIVE TO THE SIGNAL FROM SAID SOURCE AND THE COMPONENT SIGNALS FROM SAID RESOLVING MEANS FOR DERIVING SIGNALS FOR CONTROLLING THE RELATIVE DISPLACEMENT OF SAID CUTTER AND SAID WORKPIECE TAKING ACCOUNT OF SAID CUTTER DIMENSION, SAID RESOLVING MEANS INCLUDING MEANS FOR SELECTIVELY VARIABLY ADJUSTING SAID COMPONENT SIGNALS CONTROLLED BY SAID DERIVING MEANS WHEREBY THE COMPENSATION FOR SAID CUTTER DIMENSION CAN BE VARIED BETWEEN ZERO AND THE CORRECT VALUE DURING DESCRIPTION OF AN INITIAL PORTION OF SAID OUTLINE.
Claim 2
Dependent Claim
159 words
AUTOMATIC CONTROL APPARATUS SUITABLE FOR CONTROLLING THE RELATIVE DISPLACEMENT OF A CUTTER AND A WORKPIECE ACCORDING TO A DESIRED OUTLINE COMPRISING A SOURCE OF A SIGNAL WHICH VARIES TO REPRESENT THE VALUE OF A FIRST COORDINATE ASSOCIATED WITH THE CORRESPONDING VALUE OF A SECOND-CO-ORDINATE TO DEFINE SAID OUTLINE, MEANS FOR RESOLVING A FURTHER SIGNAL REPRESENTING A DIMENSION OF SAID CUTTER ACTING IN THE INSTANTANEOUS DIRECTION OF THE NORMAL TO SAID OUTLINE INTO COMPONENT SIGNALS IN THE DIRECTIONS OF SAID CO-ORDINATES, DERIVING MEANS RESPONSIVE TO THE SIGNAL FROM SAID SOURCE AND THE COMPONENT SIGNALS FROM SAID RESOLVING MEANS FOR DERIVING SIGNALS FOR CONTROLLING THE RELATIVE DISPLACEMENT OF SAID CUTTER AND SAID WORKPIECE TAKING ACCOUNT OF SAID CUTTER DIMENSION, SAID RESOLVING MEANS INCLUDING MEANS FOR SELECTIVELY VARIABLY ADJUSTING SAID COMPONENT SIGNALS CONTROLLED BY SAID DERIVING MEANS WHEREBY THE COMPENSATION FOR SAID CUTTER DIMENSION CAN BE VARIED BETWEEN ZERO AND THE CORRECT VALUE DURING DESCRIPTION OF AN INITIAL PORTION OF SAID OUTLINE.
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |