US3258622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnet retainers for a dynamoelectric machine
Assignee: Borg Warner Corp
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Filing: 1963-06-06
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Granted: 1966-06-28
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Expires: 1983-06-06
Abstract
No abstract record available.
Inventors
- 👤 Daniel C Gillespie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:38
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/12; H02K1/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
IN A DYNAMOELECTRIC DEVICE: A GENERALLY CYLINDRICAL CASING ENCLOSING A ROTOR; AT LEAST TWO PERMANENT MAGNETIC STATORS POSITIONED WITHIN SAID CASING, SAID STATORS BEING CHARACTERIZED BY HAVING A SURFACE GENERALLY CONFORMING TO THE INTERNAL SURFACE OF SAID CASING AND BEING OF SUCH SIZE AND POSITIONED SO THAT A GAP IS PROVIDED BETWEEN ADJACENT STATORS FOR THE RECEPTION OF RETAINING MEANS; AND RETAINING MEANS INTERPOSED BETWEEN ADJACENT STATORS IN THE GAP PROVIDED THEREBETWEEN RESILIENTLY URGING SAID ADJACENT STATORS APART AND INTO FIRM ENGAGEMENT WITH SAID CASING, SAID RETAINING MEANS COMPRISING AT LEAST ONE WEDGE-SHAPED, ELONGATED INSERT HAVING A TAPERED SLOT EXTENDING LONGITUDINALLY THEREOF SO AS TO PROVIDE A PAIR OF DEFORMABLE LEG MEMBERS ON OPPOSITE SIDES OF SAID SLOT WHEREBY THE RESISTANCE TO DEFORMATION CAUSES SAID INSERT TO ACT AS A SPRING UNDER COMPRESSION.
Claim 2
Dependent Claim
133 words
IN A DYNAMOELECTRIC DEVICE: A GENERALLY CYLINDRICAL CASING ENCLOSING A ROTOR; AT LEAST TWO PERMANENT MAGNETIC STATORS POSITIONED WITHIN SAID CASING, SAID STATORS BEING CHARACTERIZED BY HAVING A SURFACE GENERALLY CONFORMING TO THE INTERNAL SURFACE OF SAID CASING AND BEING OF SUCH SIZE AND POSITIONED SO THAT A GAP IS PROVIDED BETWEEN ADJACENT STATORS FOR THE RECEPTION OF RETAINING MEANS; AND RETAINING MEANS INTERPOSED BETWEEN ADJACENT STATORS IN THE GAP PROVIDED THEREBETWEEN RESILIENTLY URGING SAID ADJACENT STATORS APART AND INTO FIRM ENGAGEMENT WITH SAID CASING, SAID RETAINING MEANS COMPRISING AT LEAST ONE WEDGE-SHAPED, ELONGATED INSERT HAVING A TAPERED SLOT EXTENDING LONGITUDINALLY THEREOF SO AS TO PROVIDE A PAIR OF DEFORMABLE LEG MEMBERS ON OPPOSITE SIDES OF SAID SLOT WHEREBY THE RESISTANCE TO DEFORMATION CAUSES SAID INSERT TO ACT AS A SPRING UNDER COMPRESSION.
References Cited (Backward Citations)
US2513227A
Cited
US3090877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |