US3371256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine control system including control in two directions and about a third axis
Assignee: Seneca Falls Machine Co
•
Filing: 1964-12-07
•
Granted: 1968-02-27
•
Expires: 1984-12-07
Abstract
No abstract record available.
Inventors
- 👤 Robert H Eisengrein
- 👤 Iii Francis O Blackwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:56
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/33; G05B19/37; G05B19/371; G05B2219/00; G05B2219/30; G05B2219/35; G05B2219/35536; G05B2219/43; G05B2219/43183
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
220 words
A MACHINE CONTROL SYSTEM COMPRISING A MACHINE PART MOVABLE ALONG FIRST AND SECOND AXES AND ABOUT A THIRD AXIS, MEANS DEFINING A DESIRED POSITION OF SAID PART ALONG SAID FIRST AND SECOND AXES, MEANS GENERATING FIRST AND SECOND SIGNALS CORRESPONDING TO THE DISPLACEMENT OF SAID PART FROM SAID DESIRED POSITION THEREOF ALONG SAID FIRST AND SECOND AXES, FIRST RESOLVER MEANS RESOLVING SAID FIRST AND SECOND SIGNALS INTO THE DIRECTION FROM SAID PART TO SAID DESIRED SIGNALS INTO THE DIRECTION FROM SAID PART CORREPONDING TO THE RATE OF FEED OF SAID PART ALONG SAID FIRST AND SECOND AXES, SECOND RESOLVER MEANS RESOLVING SAID THIRD SIGNAL INTO COMPONENTS CORRESPONDING TO SAID FIRST AND SECOND AXES, MEANS RESPONSIVE TO SAID THIRD SIGNAL COMPONENTS FOR DRIVING SAID PART ALONG SAID FIRST AND SECOND AXES, DIRECTION CORRECTING MEANS RESPONSIVE TO SAID FIRST RESOLVER MEANS AND ARRANGED IN CONTROLLING RELATION TO SAID SECOND RESOLVER MEANS, INDEX RESOLVER MEANS COUPLED TO SAID PART FOR POSITIONING IN ACCORDANCE WITH THE POSITION THEREOF ABOUT SAID THIRD AXIS, MEANS COMPARING SAID INDEX AND SECOND RESOLVER MEANS INDEPENDENTLY OF VARIATIONS IN SAID THIRD SIGNAL AND GENERATING A FIFTH SIGNAL CORRESPONDING TO THE DISPLACEMENT OF SAID PART FROM A DESIRED POSITION THEREOF ABOUT SAID THIRD AXIS, AND DRIVE MEANS RESPONSIVE TO SAID FIFTH SIGNAL FOR INDEXING SAID PART ABOUT SAID THIRD AXIS.
Claim 2
Dependent Claim
220 words
A MACHINE CONTROL SYSTEM COMPRISING A MACHINE PART MOVABLE ALONG FIRST AND SECOND AXES AND ABOUT A THIRD AXIS, MEANS DEFINING A DESIRED POSITION OF SAID PART ALONG SAID FIRST AND SECOND AXES, MEANS GENERATING FIRST AND SECOND SIGNALS CORRESPONDING TO THE DISPLACEMENT OF SAID PART FROM SAID DESIRED POSITION THEREOF ALONG SAID FIRST AND SECOND AXES, FIRST RESOLVER MEANS RESOLVING SAID FIRST AND SECOND SIGNALS INTO THE DIRECTION FROM SAID PART TO SAID DESIRED SIGNALS INTO THE DIRECTION FROM SAID PART CORREPONDING TO THE RATE OF FEED OF SAID PART ALONG SAID FIRST AND SECOND AXES, SECOND RESOLVER MEANS RESOLVING SAID THIRD SIGNAL INTO COMPONENTS CORRESPONDING TO SAID FIRST AND SECOND AXES, MEANS RESPONSIVE TO SAID THIRD SIGNAL COMPONENTS FOR DRIVING SAID PART ALONG SAID FIRST AND SECOND AXES, DIRECTION CORRECTING MEANS RESPONSIVE TO SAID FIRST RESOLVER MEANS AND ARRANGED IN CONTROLLING RELATION TO SAID SECOND RESOLVER MEANS, INDEX RESOLVER MEANS COUPLED TO SAID PART FOR POSITIONING IN ACCORDANCE WITH THE POSITION THEREOF ABOUT SAID THIRD AXIS, MEANS COMPARING SAID INDEX AND SECOND RESOLVER MEANS INDEPENDENTLY OF VARIATIONS IN SAID THIRD SIGNAL AND GENERATING A FIFTH SIGNAL CORRESPONDING TO THE DISPLACEMENT OF SAID PART FROM A DESIRED POSITION THEREOF ABOUT SAID THIRD AXIS, AND DRIVE MEANS RESPONSIVE TO SAID FIFTH SIGNAL FOR INDEXING SAID PART ABOUT SAID THIRD AXIS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |