Patent US3104070A successfully refreshed from Google Patents.
US3104070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Winding apparatus for dynamo electric machines
Assignee: Unisys Corp
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Filing: 1961-06-07
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Granted: 1963-09-17
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Expires: 1981-06-07
Abstract
No abstract record available.
Inventors
- 👤 George B Achtmeyer
- 👤 Francis M Potter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:04
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/08; H02K15/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
209 words
APPARATUS FOR LAYING A WINDING IN A PAIR OF SLOTS IN THE SLOTTED CORE OF A DYNAMO ELECTRIC MACHINE, COMPRISING A TEMPORARY HOLDER FOR SAID CORE, SAID TEMPORARY HOLDER SECURING SAID CORE AT THE OPPOSITE ENDS THEREOF, A FEED MEMBER OF SUBSTANTIALLY CIRCULAR CROSS SECTION EXTENDING IN COAXIAL RELATIONSHIP WITH THE CORE MOUNTED IN SAID HOLDER, SAID FEED MEMBER HAVING AN EYE INTERMEDIATE ITS ENDS FOR THE PASSAGE OF WIRE FROM AN EXTERNAL SUPPLY THROUGH SAID EYE, TWO PAIRS OF WIRE GUIDE FINGERS DETACHABLY SECURED TO EACH END OF SAID HOLDER REMOTE FROM SAID CORE, ONE FINGER ADJACENT EACH END OF EACH OF SAID SLOTS, EACH OF SAID GUIDE FINGERS HAVING A U-SHAPED PORTION ADJACENT SAID HOLDER FOR SUPPORTING THE END TURN PORTIONS OF THE WINDING, SAID FINGERS FURTHER EXTENDING AXIALLY BEYOND THE ENDS OF SAID HOLDER AND TERMINATING AT SPACED POINTS SUBSTANTIALLY AT THE SURFACE OF SAID FEED MEMBER, SAID POINTS BEING SPACED ALONG A CURVE TRANSVERSE TO THE AXIS OF SAID FEED MEMBER BY AMOUNTS SUFFICIENT TO PERMIT THE ENTRY OF SAID WIRE THEREBETWEEN; MEANS FOR IMPARTING RELATIVE RECTILINEAR RECIPROCATION TO SAID HOLDER AND FEED MEMBER SOLELY ALONG THE AXIS OF SAID CORE TO CAUSE THE EYE TO PASS FROM ONE END TO THE OTHER OF SAID
Claim 2
Dependent Claim
209 words
APPARATUS FOR LAYING A WINDING IN A PAIR OF SLOTS IN THE SLOTTED CORE OF A DYNAMO ELECTRIC MACHINE, COMPRISING A TEMPORARY HOLDER FOR SAID CORE, SAID TEMPORARY HOLDER SECURING SAID CORE AT THE OPPOSITE ENDS THEREOF, A FEED MEMBER OF SUBSTANTIALLY CIRCULAR CROSS SECTION EXTENDING IN COAXIAL RELATIONSHIP WITH THE CORE MOUNTED IN SAID HOLDER, SAID FEED MEMBER HAVING AN EYE INTERMEDIATE ITS ENDS FOR THE PASSAGE OF WIRE FROM AN EXTERNAL SUPPLY THROUGH SAID EYE, TWO PAIRS OF WIRE GUIDE FINGERS DETACHABLY SECURED TO EACH END OF SAID HOLDER REMOTE FROM SAID CORE, ONE FINGER ADJACENT EACH END OF EACH OF SAID SLOTS, EACH OF SAID GUIDE FINGERS HAVING A U-SHAPED PORTION ADJACENT SAID HOLDER FOR SUPPORTING THE END TURN PORTIONS OF THE WINDING, SAID FINGERS FURTHER EXTENDING AXIALLY BEYOND THE ENDS OF SAID HOLDER AND TERMINATING AT SPACED POINTS SUBSTANTIALLY AT THE SURFACE OF SAID FEED MEMBER, SAID POINTS BEING SPACED ALONG A CURVE TRANSVERSE TO THE AXIS OF SAID FEED MEMBER BY AMOUNTS SUFFICIENT TO PERMIT THE ENTRY OF SAID WIRE THEREBETWEEN; MEANS FOR IMPARTING RELATIVE RECTILINEAR RECIPROCATION TO SAID HOLDER AND FEED MEMBER SOLELY ALONG THE AXIS OF SAID CORE TO CAUSE THE EYE TO PASS FROM ONE END TO THE OTHER OF SAID
References Cited (Backward Citations)
US2967672A
Cited
US2876449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |