US3289140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slip ring assembly
Assignee: Borg Warner Corp
•
Filing: 1962-02-26
•
Granted: 1966-11-29
•
Expires: 1982-02-26
Abstract
No abstract record available.
Inventors
- 👤 James E Slack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:25
CPC Classifications
H; H01; H01R; H01R39/00; B; B21; B21D; B21D53/00; B21D53/16; H01R39/02; H01R39/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49011
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A UNITARY MOLDED SLIP RING ASSEMBLY COMPRISING A PLURALITY OF SUBSTANTIALLY CYLINDRICALLY SHAPED SPACEDAPART CIRCUMFERENTIALLY EXTENDING ELECTRICALLY CONDUCTIVE STRIPS FORMING A PLURALITY OF SLIP RING ELEMENTS AND DEFINING A CIRCUMFERENTIALLY EXTENDING ANNULAR GROOVE BETWEEN ADJACENT CYLINDRICALLY SHAPED SPACED-APART CIRCUMFERENTIALLY EXTENDING STRIPS, A SUBSTANTIALLY CYLINDRICAL CORE OR MOLDED INSULATING MATERIAL CIRCUMSCRIBED BY AND SUPPORTING EACH SLIP RING ELEMENT AND BEING PROVIDED WITH A PERIPHERAL SURFACE PORTION DEFINING A PART OF SAID CIRCUMFERENTIALLY EXTENDING ANNULAR GROOVE, EACH SLIP RING ELEMENT BEING PROVIDED WITH AN INTEGRAL EXTENSION STRUCK OUT AND OFFSET FROM SAID STRUCTURE AND EXTENDING RADIALLY INWARDLY AND AXIALLY OF A RESPECTIVE ELEMENT TO DEFINE AN INTEGRAL CONDUCTOR LEAD FOR A RESPECTIVE SLIP RING ELEMENT, EACH OF SAID SLIP RINGS BEING PROVIDED WITH AN INTERNAL CIRCUMFERENTIAL PORTION HAVING PLURALITY OF ALTERNATING DOVE-TAILED RIBS AND GROOVES, AND SAID CORE HAVING AN OUTER CIRCUMFERENTIAL PORTION HAVING A PLURALITY OF ALTERNATING DOVE-TAILED RIBS AND GROOVES IN COMPLEMENTAL AXIALLY KEYED LOCKING RELATION WITH THE RIBS AND GROOVES OF EACH SLIP RING.
Claim 2
Dependent Claim
165 words
A UNITARY MOLDED SLIP RING ASSEMBLY COMPRISING A PLURALITY OF SUBSTANTIALLY CYLINDRICALLY SHAPED SPACEDAPART CIRCUMFERENTIALLY EXTENDING ELECTRICALLY CONDUCTIVE STRIPS FORMING A PLURALITY OF SLIP RING ELEMENTS AND DEFINING A CIRCUMFERENTIALLY EXTENDING ANNULAR GROOVE BETWEEN ADJACENT CYLINDRICALLY SHAPED SPACED-APART CIRCUMFERENTIALLY EXTENDING STRIPS, A SUBSTANTIALLY CYLINDRICAL CORE OR MOLDED INSULATING MATERIAL CIRCUMSCRIBED BY AND SUPPORTING EACH SLIP RING ELEMENT AND BEING PROVIDED WITH A PERIPHERAL SURFACE PORTION DEFINING A PART OF SAID CIRCUMFERENTIALLY EXTENDING ANNULAR GROOVE, EACH SLIP RING ELEMENT BEING PROVIDED WITH AN INTEGRAL EXTENSION STRUCK OUT AND OFFSET FROM SAID STRUCTURE AND EXTENDING RADIALLY INWARDLY AND AXIALLY OF A RESPECTIVE ELEMENT TO DEFINE AN INTEGRAL CONDUCTOR LEAD FOR A RESPECTIVE SLIP RING ELEMENT, EACH OF SAID SLIP RINGS BEING PROVIDED WITH AN INTERNAL CIRCUMFERENTIAL PORTION HAVING PLURALITY OF ALTERNATING DOVE-TAILED RIBS AND GROOVES, AND SAID CORE HAVING AN OUTER CIRCUMFERENTIAL PORTION HAVING A PLURALITY OF ALTERNATING DOVE-TAILED RIBS AND GROOVES IN COMPLEMENTAL AXIALLY KEYED LOCKING RELATION WITH THE RIBS AND GROOVES OF EACH SLIP RING.
References Cited (Backward Citations)
US383509A
Cited
US922990A
Cited
US1493859A
Cited
US1641414A
Cited
US1729747A
Cited
US1870236A
Cited
US2551030A
Cited
US2753534A
Cited
US2880402A
Cited
US2926326A
Cited
US3066386A
Cited
US3014193A
Cited
US2961385A
Cited
US2985781A
Cited
US3140414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |