Patent US3259727A successfully refreshed from Google Patents.
US3259727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low-resistance connector
Assignee: Individual
•
Filing: 1963-10-16
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Granted: 1966-07-05
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Expires: 1983-10-16
Abstract
No abstract record available.
Inventors
- 👤 William A Casler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:56
CPC Classifications
H; H01; H01R; H01R39/00; H01H; H01H1/00; H01H1/12; H01H1/14; H01H1/24; H01H1/242; H01R39/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
MEANS FOR ESTABLISHING A LOW RESISTANCE ELECTRICAL CONNECTION BETWEEN MUTUALLY ROTATBLE PARTS COMPRISING AN OUTER CONTACT RING HAVING A GENERALLY V-SHAPED GROOVE FORMED IN THE INNER PERIPHERY THEREOF, A CIRCULAR CONTACT MEMBER MOUNTED SUBSTANTIALLY COAXIALLY WITHIN SAID CONTACT RING FOR ROTATION RELATIVE THERETO AND HAVING A GENERALLY V-SHAPED GROOVE FORMED IN ITS OUTER PERIPHERY SUBSTANTIALLY COPLANAR WITH A FACING THE GROOVE IN SAID CONTACT RING, AND AN ENDLESS LOOP INTERMEDIATE TRANSFER CONTACT INCLUDING A SPRING OF GENERALLY TOROIDAL FORM DISTORTED INTO A GENERALLY KIDNEY SHAPED FORM AND WEDGED BETWEEN THE V-SHAPED GROOVES FACING EACH OTHER, THE CROSS SECTION OF THE SPRING BEING LESS THAN THE RADIAL SEPARATION BETWEEN SAID RING AND SAID CIRCULAR MEMBER AND THE DIAMETER OF THE UNDISTORTED LOOP BEING GREATER THAN THE RADIAL SEPARATION BETWEEN SAID RING AND SAID CIRCULAR MEMBER SO THAT WHEN SO DISTORTED THERE IS AN APPRECIABLE ARC OF CONTACT BETWEEN SAID SPRING AND EACH OF SAID RING AND SAID CIRCULAR CONTACT MEMBER.
Claim 2
Dependent Claim
159 words
MEANS FOR ESTABLISHING A LOW RESISTANCE ELECTRICAL CONNECTION BETWEEN MUTUALLY ROTATBLE PARTS COMPRISING AN OUTER CONTACT RING HAVING A GENERALLY V-SHAPED GROOVE FORMED IN THE INNER PERIPHERY THEREOF, A CIRCULAR CONTACT MEMBER MOUNTED SUBSTANTIALLY COAXIALLY WITHIN SAID CONTACT RING FOR ROTATION RELATIVE THERETO AND HAVING A GENERALLY V-SHAPED GROOVE FORMED IN ITS OUTER PERIPHERY SUBSTANTIALLY COPLANAR WITH A FACING THE GROOVE IN SAID CONTACT RING, AND AN ENDLESS LOOP INTERMEDIATE TRANSFER CONTACT INCLUDING A SPRING OF GENERALLY TOROIDAL FORM DISTORTED INTO A GENERALLY KIDNEY SHAPED FORM AND WEDGED BETWEEN THE V-SHAPED GROOVES FACING EACH OTHER, THE CROSS SECTION OF THE SPRING BEING LESS THAN THE RADIAL SEPARATION BETWEEN SAID RING AND SAID CIRCULAR MEMBER AND THE DIAMETER OF THE UNDISTORTED LOOP BEING GREATER THAN THE RADIAL SEPARATION BETWEEN SAID RING AND SAID CIRCULAR MEMBER SO THAT WHEN SO DISTORTED THERE IS AN APPRECIABLE ARC OF CONTACT BETWEEN SAID SPRING AND EACH OF SAID RING AND SAID CIRCULAR CONTACT MEMBER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |