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US3138714A
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Apparatus for the determination of the relative position of two parts
Assignee: Firma Wenczler and Heidenhain
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Filing: 1962-05-23
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Granted: 1964-06-23
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Expires: 1982-05-23
Abstract
No abstract record available.
Inventors
- 👤 Heidenhain Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:46
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/26; G01D5/32; G01D5/34; G01D5/36; G01D5/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AN APPARATUS FOR THE DETERMINATION OF THE RELATIVE POSITION OF TWO PARTS COMPRISING MEANS FOR GUIDING THE MOVEMENT OF ONE OF SAID PARTS RELATIVE TO THE OTHER OF SAID PARTS, TWO SUPERIMPOSED OPTICAL GRATINGS, ONE OF SAID GRATINGS BEING SECURED TO SAID ONE OF SAID PARTS AND THE OTHER OF SAID GRATINGS BEING SECURED TO THE OTHER OF SAID PARTS, PHOTO-ELECTRIC SENSING MEANS INCLUDING MEANS FOR PROJECTING A TRAIN OF LIGHT RAYS THROUGH BOTH OF SAID GRATINGS FRAME MEANS FOR SUPPORTING ONE OF SAID GRATINGS AND SPRING BLADE ARMS DISPOSED IN A PLANE PARALLEL TO SAID GRATINGS RETAINING SAID FRAME MEANS AT ONE OF SAID PARTS, AND
Claim 2
Independent Claim
107 words
AN APPARATUS FOR THE DETERMINATION OF THE RELATIVE POSITION OF TWO PARTS COMPRISING MEANS FOR GUIDING THE MOVEMENT OF ONE OF SAID PARTS RELATIVE TO THE OTHER OF SAID PARTS, TWO SUPERIMPOSED OPTICAL GRATINGS, ONE OF SAID GRATINGS BEING SECURED TO SAID ONE OF SAID PARTS AND THE OTHER OF SAID GRATINGS BEING SECURED TO THE OTHER OF SAID PARTS, PHOTO-ELECTRIC SENSING MEANS INCLUDING MEANS FOR PROJECTING A TRAIN OF LIGHT RAYS THROUGH BOTH OF SAID GRATINGS FRAME MEANS FOR SUPPORTING ONE OF SAID GRATINGS AND SPRING BLADE ARMS DISPOSED IN A PLANE PARALLEL TO SAID GRATINGS RETAINING SAID FRAME MEANS AT ONE OF SAID PARTS, AND
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |