Patent US3858167A successfully refreshed from Google Patents.
Patent US3124873A successfully refreshed from Google Patents.
US3124873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Troeger
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:53
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/12; B; B21; B21D; B21D53/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49609; Y10T29/49636; Y10T29/49643; Y10T29/49789; Y10T29/49796; Y10T403/00; Y10T403/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
235 words
THE METHOD OF MANUFACTURING A FLEXURAL PIVOT COMPRISED OF PROVIDING FOUR SLEEVE QUADRANTS, TWO OF SAID QUADRANTS HAVING AXIALLY-EXTENDING OPENINGS, PROVIDING TWO FLAT SPRING MEANS HAVING AT LEAST ONE SIDE PROJECTION AT EACH END, ASSEMBLING SAID QUADRANTS AND SAID SPRING MEANS SO THAT SAID SPRING MEANS ARE ARRANGED PERPENDICULAR TO EACH OTHER AND SAID QUADRANTS FORM A TUBULAR ASSEMBLY HAVING SAID AXIALLY-EXTENDING OPENINGS DIAMETRICALLY-LOCATED AND FURTHER HAVING THE EDGES OF SAID QUADRANTS ABUTTING THE PROJECTIONS AND THE OUTER PARTS OF SAID SPRING MEANS, BONDING SAID TUBULAR ASSEMBLY, PROVIDING SAID TUBULAR ASSEMBLY WITH REDUCED-DIAMETER SEMI-CIRCULAR SURFACES AT DIAGONALLY-OPPOSITE LOCATIONS BETWEEN SAID OPENINGS, PROVIDING OUTER SLEEVE MEANS, ENCASING SAID TUBULAR ASSEMBLY WITH SAID SLEEVE MEANS SO THAT A CROSSEDSPRING ARRANGEMENT IS PROVIDED HAVING TWO SEMI-CIRCULAR SURFACES AT DIAGONALLY-OPPOSITE LOCATIONS SPACED RADIALLY FROM SAID OUTER SLEEVE MEANS, BONDING SAID CROSSED-SPRING ARRANGEMENT, REMOVING THE ENDS OF SAID ARRANGEMENT INWARDLY OF THE ENDS OF SAID OPENINGS SO THAT A SEMI-CIRCULAR INNER FINGER-LIKE MEANS EXIST AT EACH END OF THE TUBULAR ARRANGEMENT, SEVERING SAID OUTER SLEEVE MEANS AT THE INNER ENDS OF SAID RADIALLY-SPACED SURFACES SO THAT OUTER MOUNTING MEANS AXIALLY SPACED FROM OUTER SUPPORT MEANS IS FORMED WITH SAID MOUNTING MEANS CONNECTED TO ONE OF SAID FINGER-LIKE-MEANS AND SAID SUPPORT MEANS CONNECTED TO THE OTHER OF SAID FINGER-LIKE MEANS WHEREBY SAID MOUNTING MEANS CAN BE FIXED AND SAID SUPPORT MEANS CAN BE ROTATED WITH FLEXING OF SAID FLAT SPRING MEANS.
Claim 2
Independent Claim
235 words
THE METHOD OF MANUFACTURING A FLEXURAL PIVOT COMPRISED OF PROVIDING FOUR SLEEVE QUADRANTS, TWO OF SAID QUADRANTS HAVING AXIALLY-EXTENDING OPENINGS, PROVIDING TWO FLAT SPRING MEANS HAVING AT LEAST ONE SIDE PROJECTION AT EACH END, ASSEMBLING SAID QUADRANTS AND SAID SPRING MEANS SO THAT SAID SPRING MEANS ARE ARRANGED PERPENDICULAR TO EACH OTHER AND SAID QUADRANTS FORM A TUBULAR ASSEMBLY HAVING SAID AXIALLY-EXTENDING OPENINGS DIAMETRICALLY-LOCATED AND FURTHER HAVING THE EDGES OF SAID QUADRANTS ABUTTING THE PROJECTIONS AND THE OUTER PARTS OF SAID SPRING MEANS, BONDING SAID TUBULAR ASSEMBLY, PROVIDING SAID TUBULAR ASSEMBLY WITH REDUCED-DIAMETER SEMI-CIRCULAR SURFACES AT DIAGONALLY-OPPOSITE LOCATIONS BETWEEN SAID OPENINGS, PROVIDING OUTER SLEEVE MEANS, ENCASING SAID TUBULAR ASSEMBLY WITH SAID SLEEVE MEANS SO THAT A CROSSEDSPRING ARRANGEMENT IS PROVIDED HAVING TWO SEMI-CIRCULAR SURFACES AT DIAGONALLY-OPPOSITE LOCATIONS SPACED RADIALLY FROM SAID OUTER SLEEVE MEANS, BONDING SAID CROSSED-SPRING ARRANGEMENT, REMOVING THE ENDS OF SAID ARRANGEMENT INWARDLY OF THE ENDS OF SAID OPENINGS SO THAT A SEMI-CIRCULAR INNER FINGER-LIKE MEANS EXIST AT EACH END OF THE TUBULAR ARRANGEMENT, SEVERING SAID OUTER SLEEVE MEANS AT THE INNER ENDS OF SAID RADIALLY-SPACED SURFACES SO THAT OUTER MOUNTING MEANS AXIALLY SPACED FROM OUTER SUPPORT MEANS IS FORMED WITH SAID MOUNTING MEANS CONNECTED TO ONE OF SAID FINGER-LIKE-MEANS AND SAID SUPPORT MEANS CONNECTED TO THE OTHER OF SAID FINGER-LIKE MEANS WHEREBY SAID MOUNTING MEANS CAN BE FIXED AND SAID SUPPORT MEANS CAN BE ROTATED WITH FLEXING OF SAID FLAT SPRING MEANS.
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) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |