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US3175277A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making stators

Assignee: Red Jacket Manufacturing Co
•
Filing: 1961-02-16
•
Granted: 1965-03-30
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Expires: 1981-02-16
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Abstract

No abstract record available.

Inventors

  • 👤 Marvin A Brown
  • 👤 James P Dries

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 15:24
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/12; H02K1/16; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49012; Y10T29/4902; Y10T29/49071

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 226 words
THE METHOD OF MAKING A STATOR HAVING STACKED INNER ANNULI WITH OUTWARDLY PROJECTING TEETH DEFINING WINDING SLOTS AND STACKED OUTER ANNULI EXTENDING AROUND THE TEETH ON THE INNER ANNULI COMPRISING, BLANKING OUT SETS OF INNER AND OUTER ANNULI FROM A SHEET OF MAGNETIC MATERIAL WITH THE ENDS OF THE TEETH ON EACH INNER ANNULUS EXTENDING CONTIGUOUS TO ANNULARLY SPACED PORTIONS ON A RESPECTIVE OUTER ANNULUS AND WITH RECESSES IN THE OUTER ANNULUS BETWEEN THE ANNULARLY SPACED PORTIONS THEREON, THE BLANKING OUT OF EACH INNER ANNULUS FROM THE OUTER ANNULUS PRODUCING A RADIAL OVERLAP BETWEEN THE ENDS OF THE TEETH ON THE INNER ANNULUS AND THE ANNULARLY SPACED PORTIONS ON THE OUTER ANNULUS, THE RECESSES HAVING AN ANGULAR WIDTH GREATER THAN THE ENDS OF THE TEETH AND SPACED RADIALLY OUTWARDLY FROM ADJACENT ANNMULARLY SPACED PORTIONS A SMALL DISTANCE SUBSTANTIALLY EQUAL TO THE RADIAL OVERLAP PRODUCED BY THE BLANKING OPERATION BETWEEN THE TEETH ON THE INNER ANNULUS AND THE ANNULARLY SPACED PORTIONS ON THE OUTER ANNULUS, STACKING THE INNER ANNULI WITH THE TEETH IN ALIGNMENT TO PROVIDE WINDING SLOTS THEREBETWEEN, PLACING ELECTRICAL WINDINGS IN THE SLOTS, STACKING THE OUTER ANNULI WITH THE RECESSES IN ALIGNMENT, AND ASSEMBLING THE INNER STACKED ANNULI INTO THE OUTER STACKED ANNULI WITH THE TEETH ON THE INNER ANNULI EXTENDING INTO THE RECESS IN THE OUTER ANNULI TO PROVIDE A SUBSTANTIALLY LINE-TO-LINE FIT THEREBETWEEN.
Claim 2
Independent Claim 226 words
THE METHOD OF MAKING A STATOR HAVING STACKED INNER ANNULI WITH OUTWARDLY PROJECTING TEETH DEFINING WINDING SLOTS AND STACKED OUTER ANNULI EXTENDING AROUND THE TEETH ON THE INNER ANNULI COMPRISING, BLANKING OUT SETS OF INNER AND OUTER ANNULI FROM A SHEET OF MAGNETIC MATERIAL WITH THE ENDS OF THE TEETH ON EACH INNER ANNULUS EXTENDING CONTIGUOUS TO ANNULARLY SPACED PORTIONS ON A RESPECTIVE OUTER ANNULUS AND WITH RECESSES IN THE OUTER ANNULUS BETWEEN THE ANNULARLY SPACED PORTIONS THEREON, THE BLANKING OUT OF EACH INNER ANNULUS FROM THE OUTER ANNULUS PRODUCING A RADIAL OVERLAP BETWEEN THE ENDS OF THE TEETH ON THE INNER ANNULUS AND THE ANNULARLY SPACED PORTIONS ON THE OUTER ANNULUS, THE RECESSES HAVING AN ANGULAR WIDTH GREATER THAN THE ENDS OF THE TEETH AND SPACED RADIALLY OUTWARDLY FROM ADJACENT ANNMULARLY SPACED PORTIONS A SMALL DISTANCE SUBSTANTIALLY EQUAL TO THE RADIAL OVERLAP PRODUCED BY THE BLANKING OPERATION BETWEEN THE TEETH ON THE INNER ANNULUS AND THE ANNULARLY SPACED PORTIONS ON THE OUTER ANNULUS, STACKING THE INNER ANNULI WITH THE TEETH IN ALIGNMENT TO PROVIDE WINDING SLOTS THEREBETWEEN, PLACING ELECTRICAL WINDINGS IN THE SLOTS, STACKING THE OUTER ANNULI WITH THE RECESSES IN ALIGNMENT, AND ASSEMBLING THE INNER STACKED ANNULI INTO THE OUTER STACKED ANNULI WITH THE TEETH ON THE INNER ANNULI EXTENDING INTO THE RECESS IN THE OUTER ANNULI TO PROVIDE A SUBSTANTIALLY LINE-TO-LINE FIT THEREBETWEEN.

References Cited (Backward Citations)

US1260743A Cited
US2354551A Cited
US2711008A Cited
US3002263A Cited
US2871384A Cited
US2953699A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-03-29 1968-09-28 1969-03-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-03-29 1972-09-28 1973-03-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-03-29 1976-09-28 1977-03-30 $7700.00 Window Closed / Lapsed

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