US3277555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clip flexural pivot manufacturing method
Assignee: Bendix Corp
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Filing: 1963-05-22
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Granted: 1966-10-11
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Expires: 1983-05-22
Abstract
No abstract record available.
Inventors
- 👤 R A Kutash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:40
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49609; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49826; Y10T29/4984; Y10T29/49844; Y10T403/00; Y10T403/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
376 words
THE METHOD OF MANUFACTURING A FLEXURAL PIVOT COMPRISED OF: FORMING TWO IDENTICAL ARCUATE CLIP MEMBERS EACH HAVING TWO INWARDLY-PROJECTING, AXIALLY-EXTENDING LIPS, EACH OF SAID ARCUATE MEMBERS HAVING AN INNER SURFACE BETWEEN SAID LIPS AND AN OUTER SURFACE, WHICH HAS A CIRCUMFERENTIAL DIMENSION RESULTING FROM AN INCLUDED ANGLE WITHIN THE RANGE OF 120 TO 170 DEGREES PROVIDING TWO IDENTICAL ARCUATE ELEMENTS EACH HAVING A LENGTH GREATER THAN TWICE THE LENGTH OF SAID ARCUATE MEMBERS AND ADAPTED TO MATE WITH THE CENTER PORTION OF THE INNER SURFACE OF SAID ARCUATE CLIP MEMBERS, PROVIDING FOUR IDENTICAL ARCUATE WEDGES ELEMENTS AND LENGTH EQUAL TO EACH OF SAID ARCUATED CLIP MEMBERS ADAPTED TO MATE WITH THE INNER SURFACE OF SAID ARCUATE CLIP MEMBERS, SAID ARCUATE WEDGES EACH HAVING A WIDTH EQUAL TO SLIGHTLY LESS THAN HALF THE DIFFERENCE BETWEEN THE WIDTH OF THE INNER SURFACE OF ONE OF SAID ARCUATE CLIP MEMBERS AND WIDTH OF ONE OF SAID ARCUATE ELEMENTS, PROVIDING THIN LEAF SPRING MEANS AAPTED TO BE ARRANGED IN CROSS RELATION, FITTING ONE OF SAID ARCUATE ELEMENTS ON THE CENTER PART OF THE INNER SURFACE OF EACH OF SAID ARCUATE CLIP MEMBERS AND BONDING THE ELEMENT TO THE RESPECTIVE ARCUATE CLIP MEMBERS TO FORM TWO ARCUATE UNITS EACH HAVING A BASE SECTION INCLUDING SAID OUTER SURFACE AND AN AXIALLY-PROJECTING ARCUATE SECTION, ARRANGING SAID ARCUATE UNITS IN OPPOSED RELATION TO EACH OTHER ON A COMMON CIRCLE PROJECTION WITH THE CASE SECTIONS DIAGONAL OF EACH OTHER SO THAT THE PROJECTION SECTIONS ARE DIAMETRICAL OF SAID BASE SECTIONS AND SO THAT THE ENDS OF THE PROJECTIONS SECTIONS ARE FLUSH WITH THE ENDS OF THE OPPOSITE BASE SECTIONS, PLACING SAID LEAF SPRING MEANS IN CROSSED RELATION BETWEEN SAID ARCUATE UNITS WITH THE SPRING ENDS ABUTTING THE EDGES OF SAID ARCUATE ELEMENT AND THE INNER SURFACE OF SAID ARCUATE CLIP MEMBERS, INSERTING SAID ARCUATE WEDGES INTO THE GAPS BETWEEN SAID SPRING ENDS AND THE CLIPS OF SAID ARCUATE CLIP MEMBERS FOR CONTACT THEREWITH AND TO BE FLUSH WITH THE ENDS OF THE RESPECTIVE ARCUATE UNITS, BONDING SAID LEAF SPRING MEANS AND WEDGES TO SAID ARCUATE UNITS TO PROVIDE A DUAL-REED FLEXURAL PIVOT HAVING CROSSED SPRING MEANS WHEREIN ONE OF SAID ARCUATE UNITS CAN BE ROTATED RELATIVE TO THE OTHER WITH FLEXING OF SAID SPRING MEANS.
Claim 2
Independent Claim
376 words
THE METHOD OF MANUFACTURING A FLEXURAL PIVOT COMPRISED OF: FORMING TWO IDENTICAL ARCUATE CLIP MEMBERS EACH HAVING TWO INWARDLY-PROJECTING, AXIALLY-EXTENDING LIPS, EACH OF SAID ARCUATE MEMBERS HAVING AN INNER SURFACE BETWEEN SAID LIPS AND AN OUTER SURFACE, WHICH HAS A CIRCUMFERENTIAL DIMENSION RESULTING FROM AN INCLUDED ANGLE WITHIN THE RANGE OF 120 TO 170 DEGREES PROVIDING TWO IDENTICAL ARCUATE ELEMENTS EACH HAVING A LENGTH GREATER THAN TWICE THE LENGTH OF SAID ARCUATE MEMBERS AND ADAPTED TO MATE WITH THE CENTER PORTION OF THE INNER SURFACE OF SAID ARCUATE CLIP MEMBERS, PROVIDING FOUR IDENTICAL ARCUATE WEDGES ELEMENTS AND LENGTH EQUAL TO EACH OF SAID ARCUATED CLIP MEMBERS ADAPTED TO MATE WITH THE INNER SURFACE OF SAID ARCUATE CLIP MEMBERS, SAID ARCUATE WEDGES EACH HAVING A WIDTH EQUAL TO SLIGHTLY LESS THAN HALF THE DIFFERENCE BETWEEN THE WIDTH OF THE INNER SURFACE OF ONE OF SAID ARCUATE CLIP MEMBERS AND WIDTH OF ONE OF SAID ARCUATE ELEMENTS, PROVIDING THIN LEAF SPRING MEANS AAPTED TO BE ARRANGED IN CROSS RELATION, FITTING ONE OF SAID ARCUATE ELEMENTS ON THE CENTER PART OF THE INNER SURFACE OF EACH OF SAID ARCUATE CLIP MEMBERS AND BONDING THE ELEMENT TO THE RESPECTIVE ARCUATE CLIP MEMBERS TO FORM TWO ARCUATE UNITS EACH HAVING A BASE SECTION INCLUDING SAID OUTER SURFACE AND AN AXIALLY-PROJECTING ARCUATE SECTION, ARRANGING SAID ARCUATE UNITS IN OPPOSED RELATION TO EACH OTHER ON A COMMON CIRCLE PROJECTION WITH THE CASE SECTIONS DIAGONAL OF EACH OTHER SO THAT THE PROJECTION SECTIONS ARE DIAMETRICAL OF SAID BASE SECTIONS AND SO THAT THE ENDS OF THE PROJECTIONS SECTIONS ARE FLUSH WITH THE ENDS OF THE OPPOSITE BASE SECTIONS, PLACING SAID LEAF SPRING MEANS IN CROSSED RELATION BETWEEN SAID ARCUATE UNITS WITH THE SPRING ENDS ABUTTING THE EDGES OF SAID ARCUATE ELEMENT AND THE INNER SURFACE OF SAID ARCUATE CLIP MEMBERS, INSERTING SAID ARCUATE WEDGES INTO THE GAPS BETWEEN SAID SPRING ENDS AND THE CLIPS OF SAID ARCUATE CLIP MEMBERS FOR CONTACT THEREWITH AND TO BE FLUSH WITH THE ENDS OF THE RESPECTIVE ARCUATE UNITS, BONDING SAID LEAF SPRING MEANS AND WEDGES TO SAID ARCUATE UNITS TO PROVIDE A DUAL-REED FLEXURAL PIVOT HAVING CROSSED SPRING MEANS WHEREIN ONE OF SAID ARCUATE UNITS CAN BE ROTATED RELATIVE TO THE OTHER WITH FLEXING OF SAID 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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |