US3254560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical method for positioning a workpiece
Assignee: Individual
•
Filing: 1962-12-03
•
Granted: 1966-06-07
•
Expires: 1982-12-03
Abstract
No abstract record available.
Inventors
- 👤 Gottesmann Emanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:20
CPC Classifications
G; G01; G01B; G01B11/00; G01B11/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
A METHOD OF LOCATING THE CENTER OF A MACHINE TOOL COMPRISING THE STEPS OF: (A) POSITIONING AN OPTICAL INSTRUMENT HAVING MOVABLE REFERENCE LINES IN TOOL HOLDER OF A MACHINE SO THAT THE AXIS OF THE INSTRUMENT IS COINCIDENTAL WITH THE AXIS OF THE HOLDER, (B) PLACING A TARGET RETICLE BENEATH THE OPTICAL INSTRUMENT, (C) ROTATING THE TARGET RETICLE SLIGHTLY SO THAT THE IMAGE OF THE PROJECTED TARGER RETICLE AND THE REFERENCE LINES OF THE INSTRUMENT ARE PARALLEL TO EACH OTHER, (D) ROTATING THE INSTRUMENT APPROXIMATELY 90* IN ONE DIRECTION WITH RESPECT TO SAID TARGET RETICLE AND ADJUSTING THE REFERENCE LINES OF THE INSTRUMENT TO COINCIDE WITH THE PROJECTED IMAGE OF THE TARGET RETICLE, (E) ROTATING THE INSTRUMENT APPROXIMATELY 180* IN THE OPPOSITE DIRECTION, (F) ADJUSTING THE POSITION OF THE INSTRUMENT REFERENCE LINES TO ONE-HALF THE DISTANCE BETWEEN THE PROJECTED IMAGE OF THE TARGET RETICLE AND THE FORMER POSITION OF SAID REFERENCE LINES, (G) ROTATING THE INSTRUMENT IN SAID ONE DIRECTION 90*, (H) AND REPOSITIONING THE TARGET RETICLE SO THAT THE PROJECTED IMAGE OF THE TARGET RETICLE COINCIDES WITH THE REFERENCE LINES OF THE INSTRUMENT.
Claim 2
Independent Claim
184 words
A METHOD OF LOCATING THE CENTER OF A MACHINE TOOL COMPRISING THE STEPS OF: (A) POSITIONING AN OPTICAL INSTRUMENT HAVING MOVABLE REFERENCE LINES IN TOOL HOLDER OF A MACHINE SO THAT THE AXIS OF THE INSTRUMENT IS COINCIDENTAL WITH THE AXIS OF THE HOLDER, (B) PLACING A TARGET RETICLE BENEATH THE OPTICAL INSTRUMENT, (C) ROTATING THE TARGET RETICLE SLIGHTLY SO THAT THE IMAGE OF THE PROJECTED TARGER RETICLE AND THE REFERENCE LINES OF THE INSTRUMENT ARE PARALLEL TO EACH OTHER, (D) ROTATING THE INSTRUMENT APPROXIMATELY 90* IN ONE DIRECTION WITH RESPECT TO SAID TARGET RETICLE AND ADJUSTING THE REFERENCE LINES OF THE INSTRUMENT TO COINCIDE WITH THE PROJECTED IMAGE OF THE TARGET RETICLE, (E) ROTATING THE INSTRUMENT APPROXIMATELY 180* IN THE OPPOSITE DIRECTION, (F) ADJUSTING THE POSITION OF THE INSTRUMENT REFERENCE LINES TO ONE-HALF THE DISTANCE BETWEEN THE PROJECTED IMAGE OF THE TARGET RETICLE AND THE FORMER POSITION OF SAID REFERENCE LINES, (G) ROTATING THE INSTRUMENT IN SAID ONE DIRECTION 90*, (H) AND REPOSITIONING THE TARGET RETICLE SO THAT THE PROJECTED IMAGE OF THE TARGET RETICLE COINCIDES WITH THE REFERENCE LINES OF THE INSTRUMENT.
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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |