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US3146363A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric motor and method of making same

Assignee: Ingraham Co
•
Filing: 1960-12-21
•
Granted: 1964-08-25
•
Expires: 1980-12-21
📄 Original PDF 🌐 Google Patents

Abstract

No abstract record available.

Inventors

  • 👤 Philip A Sidell
  • 👤 William C Schaffrick

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 18:08
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/16; H; H02; H02K; H02K21/00; H02K21/12; H02K21/14; H02K21/145; H02K2201/00; H02K2201/12

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 222 words
A UNITARY MOTOR AND GEAR CASE ASSEMBLY COMPRISING A HOUSING HAVING REAR AND SIDE WALLS, A PLURALITY OF CIRCULARLY ARRANGED POLES INTEGRAL WITH SAID REAR WAL LAND EXTENDING INTO SAID HOUSINGS, A FIELD WINDING DISPOSED ABOUT SAID POLES, A FIELD PLATE, MEANS ON SAID HOUSING SUPPORTING SAID FIELD PLATE ADJACENT SAID FIELD WINDING AND INTERMEDIATE THE ENDS OF SAID HOUSING SIDE WALL, SAID FIELD PLATE HAVING A PLURALITY OF FIELD POLES INTEGRAL THEREWITH, MATING APERTURES IN SAID HOUSING AND SAID FIELD PLATE POSITIONED TO COAXIALLY ALIGN THE FIELD POLES THEREON WHEN THE MATING APERTURES ARE ALIGNED, A COVER PLATE, MOUNTING MEANS SECURED TO SAID COVER PLATE AND EXTENDING THROUGH THE MATING APERTURES IN SAID FIELD PLATE AND SAID HOUSING, SAID MOUNTING MEANS SPACING SAID COVER PLATE FROM SAID FIELD PLATE AND ADJACENT THE OPEN END OF SAID HOUSING TO CLOSE SAID HOUSING, A ROTOR ARBOR SECURED TO SAID COVER PLATE AND POSITIONED THEREON TO LIE ALONG THE AXIS OF SAID FIELD POLES WHEN SAID MOUNTING MEANS EXTENDS THROUGH THE ALIGNED APERTURES IN SAID HOUSING AND SAID FIELD PLATE, A ROTOR ON SAID ARBOR, AN OUTPUT SHAFT JOURNALED BETWEEN SAID FIELD PLATE AND SAID COVER PLATE, AND A GEAR TRAIN DISPOSED WITHIN THE SPACE BETWEEN SAID HOUSING, SAID FIELD PLATE AND SAID COVER PLATE AND OPERATIVELY CONNECTING SAID ROTOR AND SAID OUTPUT SHAFT.
Claim 2
Dependent Claim 222 words
A UNITARY MOTOR AND GEAR CASE ASSEMBLY COMPRISING A HOUSING HAVING REAR AND SIDE WALLS, A PLURALITY OF CIRCULARLY ARRANGED POLES INTEGRAL WITH SAID REAR WAL LAND EXTENDING INTO SAID HOUSINGS, A FIELD WINDING DISPOSED ABOUT SAID POLES, A FIELD PLATE, MEANS ON SAID HOUSING SUPPORTING SAID FIELD PLATE ADJACENT SAID FIELD WINDING AND INTERMEDIATE THE ENDS OF SAID HOUSING SIDE WALL, SAID FIELD PLATE HAVING A PLURALITY OF FIELD POLES INTEGRAL THEREWITH, MATING APERTURES IN SAID HOUSING AND SAID FIELD PLATE POSITIONED TO COAXIALLY ALIGN THE FIELD POLES THEREON WHEN THE MATING APERTURES ARE ALIGNED, A COVER PLATE, MOUNTING MEANS SECURED TO SAID COVER PLATE AND EXTENDING THROUGH THE MATING APERTURES IN SAID FIELD PLATE AND SAID HOUSING, SAID MOUNTING MEANS SPACING SAID COVER PLATE FROM SAID FIELD PLATE AND ADJACENT THE OPEN END OF SAID HOUSING TO CLOSE SAID HOUSING, A ROTOR ARBOR SECURED TO SAID COVER PLATE AND POSITIONED THEREON TO LIE ALONG THE AXIS OF SAID FIELD POLES WHEN SAID MOUNTING MEANS EXTENDS THROUGH THE ALIGNED APERTURES IN SAID HOUSING AND SAID FIELD PLATE, A ROTOR ON SAID ARBOR, AN OUTPUT SHAFT JOURNALED BETWEEN SAID FIELD PLATE AND SAID COVER PLATE, AND A GEAR TRAIN DISPOSED WITHIN THE SPACE BETWEEN SAID HOUSING, SAID FIELD PLATE AND SAID COVER PLATE AND OPERATIVELY CONNECTING SAID ROTOR AND SAID OUTPUT SHAFT.

References Cited (Backward Citations)

US2465042A Cited
GB716552A Cited
US2908965A Cited
US2967346A Cited
US2810844A Cited
US2838701A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-08-25 1968-02-24 1968-08-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-08-25 1972-02-24 1972-08-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-08-25 1976-02-24 1976-08-25 $7700.00 Window Closed / Lapsed

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