US3266131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a clutch band
Assignee: National Standard Co
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Filing: 1964-05-22
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Granted: 1966-08-16
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Expires: 1984-05-22
Abstract
No abstract record available.
Inventors
- 👤 Edwin E Mallory
- 👤 Sidney L Schell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:00
CPC Classifications
F; F16; F16D; F16D41/00; F16D41/20; F16D41/203; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49609; Y10T29/49611
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
THE METHOD OF MAKING A CLUTCH BAND COMPRISING THE STEPS OF FORMING AN OUTER END PORTION OF THE TERMINAL END OF A STRIP OF FLAT SPRING STEEL INTO ARCUATE TRANSVERSE CROSS-SECTIONAL CONFIGURATION AND OF A THICKNESS SUBSTANTIALLY EQUAL TO THE THICKNESS OF SAID STRIP, FORMING A FOLD OF TUBULAR CONFIGURATION AND OF A THICKNESS SUBSTANTIALLY EQUAL TO THE THICKNESS OF SAID STRIP BETWEEN SAID OUTER END PORTION AND THE ADJACENT INNER PORTION OF SAID STRIP WITH THE CONCAVE SIDE OF SAID OUTER END PORTION OPPOSITE THE OUTER FACE OF SAID INNER END PORTION, FORMING SAID STRIP INTO GENERALLY SPIRAL SHAPE, SECURING THE SIDE EDGES OF SAID OUTER END PORTION TO SAID INNER END PORTION, AND THEREBY PROVIDE AN ANCHOR AT SAID TERMINAL END HAVING AN OPENING THROUGH SAID FOLD EXTENDING TRANSVERSELY OF AND AT THE OUTER END OF SAID ANCHOR AND A CHANNEL EXTENDING FROM THE INNER END OF SAID OUTER END PORTION TO THE OPENING IN SAID FOLD, HEAT TREATING SAID FORMED STRIP, QUENCHING SAID FORMED STRIP, STRESS RELIEVING SAID FORMED STRIP, RESHAPING SAID FORMED STRIP INTO SPIRAL CONFIGURATION, AND HEAT SETTING SAID RESHAPED STRIP.
Claim 2
Independent Claim
186 words
THE METHOD OF MAKING A CLUTCH BAND COMPRISING THE STEPS OF FORMING AN OUTER END PORTION OF THE TERMINAL END OF A STRIP OF FLAT SPRING STEEL INTO ARCUATE TRANSVERSE CROSS-SECTIONAL CONFIGURATION AND OF A THICKNESS SUBSTANTIALLY EQUAL TO THE THICKNESS OF SAID STRIP, FORMING A FOLD OF TUBULAR CONFIGURATION AND OF A THICKNESS SUBSTANTIALLY EQUAL TO THE THICKNESS OF SAID STRIP BETWEEN SAID OUTER END PORTION AND THE ADJACENT INNER PORTION OF SAID STRIP WITH THE CONCAVE SIDE OF SAID OUTER END PORTION OPPOSITE THE OUTER FACE OF SAID INNER END PORTION, FORMING SAID STRIP INTO GENERALLY SPIRAL SHAPE, SECURING THE SIDE EDGES OF SAID OUTER END PORTION TO SAID INNER END PORTION, AND THEREBY PROVIDE AN ANCHOR AT SAID TERMINAL END HAVING AN OPENING THROUGH SAID FOLD EXTENDING TRANSVERSELY OF AND AT THE OUTER END OF SAID ANCHOR AND A CHANNEL EXTENDING FROM THE INNER END OF SAID OUTER END PORTION TO THE OPENING IN SAID FOLD, HEAT TREATING SAID FORMED STRIP, QUENCHING SAID FORMED STRIP, STRESS RELIEVING SAID FORMED STRIP, RESHAPING SAID FORMED STRIP INTO SPIRAL CONFIGURATION, AND HEAT SETTING SAID RESHAPED STRIP.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |