Patent US3146520A successfully refreshed from Google Patents.
US3146520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impact type stator-stripping tool
Assignee: Individual
•
Filing: 1962-01-16
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Granted: 1964-09-01
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Expires: 1982-01-16
Abstract
No abstract record available.
Inventors
- 👤 D Eustachio Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:13
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/50; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53274; Y10T29/53796; Y10T29/53909; Y10T29/5393
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
APPARATUS FOR STRIPPING AN ANNULAR STATOR OF COILS HAVING LOOPS EXTENDING FROM OPPOSITE ENDS OF THE STATOR, SAID APPARATUS COMPRISING AN INSERT MEMBER INSERTIBLE AXIALLY INTO A STATOR, A PLURALITY OF PINS MOUNTED IN SAID INSERT MEMBER FOR RADIAL RETRACTION PERMITTING SAID INSERTION OF SAID INSERT MEMBER AND FOR PROJECTION INTO COIL LOOPS AT ONE END OF SAID STATOR, SPREADER MEANS FOR PROJECTING SAID PINS, AND REMOVAL MEANS FOR REMOVING SAID INSERT MEMBER FROM SAID STATOR THROUGH SAID ONE END THEREOF TO WITHDRAW SAID COILS, SAID INSERT COMPRISING AN ANNULUS CONFORMABLY ENGAGEABLE IN A STATOR, SAID SPREADER MEANS COMPRISING AN ELONGATE DRIVE ELEMENT HAVING ONE END TAPERED FOR ENGAGEMENT WITH THE RADIALLY INNER ENDS OF SAID PINS TO PROJECT THE LATTER RADIALLY OUTWARD UPON LONGITUDINAL MOVEMENT OF SAID DRIVE ELEMENT, AND SAID REMOVAL MEANS COMPRISING AN ABUTMENT ON SAID DRIVE ELEMENT FOR ENGAGEMENT WITH SAID ANNULUS AFTER PROJECTION OF SAID PINS TO DRIVE SAID ANNULUS FROM SAID STATOR AND WITHDRAW SAID COILS.
Claim 2
Dependent Claim
162 words
APPARATUS FOR STRIPPING AN ANNULAR STATOR OF COILS HAVING LOOPS EXTENDING FROM OPPOSITE ENDS OF THE STATOR, SAID APPARATUS COMPRISING AN INSERT MEMBER INSERTIBLE AXIALLY INTO A STATOR, A PLURALITY OF PINS MOUNTED IN SAID INSERT MEMBER FOR RADIAL RETRACTION PERMITTING SAID INSERTION OF SAID INSERT MEMBER AND FOR PROJECTION INTO COIL LOOPS AT ONE END OF SAID STATOR, SPREADER MEANS FOR PROJECTING SAID PINS, AND REMOVAL MEANS FOR REMOVING SAID INSERT MEMBER FROM SAID STATOR THROUGH SAID ONE END THEREOF TO WITHDRAW SAID COILS, SAID INSERT COMPRISING AN ANNULUS CONFORMABLY ENGAGEABLE IN A STATOR, SAID SPREADER MEANS COMPRISING AN ELONGATE DRIVE ELEMENT HAVING ONE END TAPERED FOR ENGAGEMENT WITH THE RADIALLY INNER ENDS OF SAID PINS TO PROJECT THE LATTER RADIALLY OUTWARD UPON LONGITUDINAL MOVEMENT OF SAID DRIVE ELEMENT, AND SAID REMOVAL MEANS COMPRISING AN ABUTMENT ON SAID DRIVE ELEMENT FOR ENGAGEMENT WITH SAID ANNULUS AFTER PROJECTION OF SAID PINS TO DRIVE SAID ANNULUS FROM SAID STATOR AND WITHDRAW SAID COILS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |