US3260157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microscope adjustment mechanism with coaxial coarse and fine adjustment shafts and differential screw means
Assignee: American Optical Corp
•
Filing: 1962-08-31
•
Granted: 1966-07-12
•
Expires: 1982-08-31
Abstract
No abstract record available.
Inventors
- 👤 Olin W Boughton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:16
CPC Classifications
G; G02; G02B; G02B21/00; G02B21/24; G02B21/241; G02B21/242; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18752
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
150 words
IN A MICROSCOPE, A FRAME HAVING A BASE, AN UPRIGHT PORTION AND AN ARM PORTION OVERHANGING SAID BASE, A STAGE CARRIED BY SAID UPRIGHT PORTION, CARRIAGE MEANS WITHIN SAID FRAME INCLUDING A GENERALLY HORIZONTAL ARM MEMBER RECEIVED WITHIN SAID ARM PORTION OF THE FRAME, AND A LINKAGE ASSEMBLY FIXED TO ONE END OF SAID ARM MEMBER AND DEPENDING THEREFROM WITHIN THE CONFINES OF SAID UPRIGHT PORTION, MEANS SUPPORTING SAID CARRIAGE MEANS FOR VERTICAL SLIDING MOTION WITHIN SAID FRAME, MICROSCOPE OBJECTIVE MEANS SUPPORTED BY THE FREE END OF SAID ARM MEMBER FOR VERTICAL ADJUSTMENT THEREWITH RELATIVE TO SAID STAGE, A BELL CRANK PIVOTALLY MOUNTED WITHIN SAID UPRIGHT PORTION AND ENGAGING SAID LINKAGE ASSEMBLY TO VERTICALLY MOVE SAID CARRIAGE MEANS, AND ADJUSTMENT MECHANISM INCLUDING A CYLINDRICAL CAM WITH WHICH SAID BELL CRANK IS ENGAGED; A COARSE ADJUSTMENT QUILL SHAFT, MEANS SLIDABLY KEYING SAID CYLINDRICAL CAM UPON SAID QUILL SHAFT; A FINE ADJUSTMENT
References Cited (Backward Citations)
US262634A
Cited
US1984127A
Cited
US2208839A
Cited
US2489487A
Cited
GB819899A
Cited
US2859657A
Cited
US3019707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |