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US3302045A Expired / Lapsed US ⏱️ 0.0 years remaining

Vibrator motor with stepped rotary output

Assignee: Duracell Inc USA
•
Filing: 1964-06-15
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Granted: 1967-01-31
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Expires: 1984-06-15
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Abstract

No abstract record available.

Inventors

  • 👤 Gianni A Dotto

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 12:37
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/06; H02K7/065; B; B06; B06B; B06B3/00; F; F16; F16D; F16D41/00; F16D41/06; F16D41/064; F16D41/066; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555; Y10T74/1556

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 269 words
A SLOW, CONSTANT SPEED ELECTRIC MOTOR COMPRISING: AN APERTURED COIL MEANS ENERGIZED BY PULSATING CURRENT SO AS TO PROVIDE A SOURCE OF PULSATING MAGNETIC FLUX, SUBSTANTIALLY O-SHAPED PERMANENT MAGNET MEANS ABUTTING EACH EXTREMITY OF SAID COIL MEANS SO AS TO PROVIDE A SOURCE OF STEADY MAGNETIC FLUX, EACH OF SAID PERMANENT MAGNET MEANS INCLUDING TWO SUBSTANTIALLY U-SHAPED MAGNETS HAVING POLE FACES IN SPACED PARALLEL RELATIONSHIP, SAID TWO U-SHAPED MAGNETS JOINED TO FORM SAID SUBSTANTIALLY O-SHAPED PERMANENT MAGNET MEANS HAVING ABUTTING NORTHSOUTH POLES AND POLES OF OPPOSITE POLARITY IN SPACED PARALLEL RELATIONSHIP, AT LEAST TWO ARMATURES HAVING THEIR FREE ENDS PROJECTING THROUGH SAID APERTURE OF SAID COIL MEANS AND SAID APERTURES OF SAID PERMANENT MAGNET MEANS MAGNETICALLY COUPLING SAID FREE END OF SAID ARMATURES TO SAID COIL MEANS AND TO SAID PERMANENT MAGNET MEANS, INTERACTION OF SAID PULSATING MAGNETIC FLUX OF SAID COIL MEANS AND OF SAID STEADY MAGNETIC FLUX OF SAID PERMANENT MAGNET MEANS CAUSING SAID FREE ENDS OF SAID ARMATURES TO VIBRATE WITH LATERAL VIBRATORY MOTION WITHIN SAID APERTURE OF SAID COIL MEANS AND SAID APERTURES OF SAID PERMANENT MAGNET MEANS, A FIRST ONE-WAY CLUTCH MEANS CONNECTED TO AN EXTREMITY OF ONE OF SAID ARMATURES OPPOSITE SAID FREE END THEREOF, A SECOND ONE-WAY CLUTCH MEANS CONNECTED TO AN EXTREMITY OF THE OTHER ARMATURE OPPOSITE SAID FREE END THEREOF, A SHAFT COUPLED TO SAID FIRST AND SECOND CLUTCH MEANS, SAID FIRST AND SAID SECOND CLUTCH MEANS TRANSLATING SAID LATERAL VIBRATORY MOTION OF SAID ARMATURES TO UNIDIRECTIONAL MOTION THEREBY ROTATING SAID SHAFT IN A FIRST DIRECTION AT A CONSTANT SPEED AND PREVENTING ROTATION OF SAID SHAFT IN A SECOND DIRECTION.
Claim 2
Dependent Claim 269 words
A SLOW, CONSTANT SPEED ELECTRIC MOTOR COMPRISING: AN APERTURED COIL MEANS ENERGIZED BY PULSATING CURRENT SO AS TO PROVIDE A SOURCE OF PULSATING MAGNETIC FLUX, SUBSTANTIALLY O-SHAPED PERMANENT MAGNET MEANS ABUTTING EACH EXTREMITY OF SAID COIL MEANS SO AS TO PROVIDE A SOURCE OF STEADY MAGNETIC FLUX, EACH OF SAID PERMANENT MAGNET MEANS INCLUDING TWO SUBSTANTIALLY U-SHAPED MAGNETS HAVING POLE FACES IN SPACED PARALLEL RELATIONSHIP, SAID TWO U-SHAPED MAGNETS JOINED TO FORM SAID SUBSTANTIALLY O-SHAPED PERMANENT MAGNET MEANS HAVING ABUTTING NORTHSOUTH POLES AND POLES OF OPPOSITE POLARITY IN SPACED PARALLEL RELATIONSHIP, AT LEAST TWO ARMATURES HAVING THEIR FREE ENDS PROJECTING THROUGH SAID APERTURE OF SAID COIL MEANS AND SAID APERTURES OF SAID PERMANENT MAGNET MEANS MAGNETICALLY COUPLING SAID FREE END OF SAID ARMATURES TO SAID COIL MEANS AND TO SAID PERMANENT MAGNET MEANS, INTERACTION OF SAID PULSATING MAGNETIC FLUX OF SAID COIL MEANS AND OF SAID STEADY MAGNETIC FLUX OF SAID PERMANENT MAGNET MEANS CAUSING SAID FREE ENDS OF SAID ARMATURES TO VIBRATE WITH LATERAL VIBRATORY MOTION WITHIN SAID APERTURE OF SAID COIL MEANS AND SAID APERTURES OF SAID PERMANENT MAGNET MEANS, A FIRST ONE-WAY CLUTCH MEANS CONNECTED TO AN EXTREMITY OF ONE OF SAID ARMATURES OPPOSITE SAID FREE END THEREOF, A SECOND ONE-WAY CLUTCH MEANS CONNECTED TO AN EXTREMITY OF THE OTHER ARMATURE OPPOSITE SAID FREE END THEREOF, A SHAFT COUPLED TO SAID FIRST AND SECOND CLUTCH MEANS, SAID FIRST AND SAID SECOND CLUTCH MEANS TRANSLATING SAID LATERAL VIBRATORY MOTION OF SAID ARMATURES TO UNIDIRECTIONAL MOTION THEREBY ROTATING SAID SHAFT IN A FIRST DIRECTION AT A CONSTANT SPEED AND PREVENTING ROTATION OF SAID SHAFT IN A SECOND DIRECTION.

References Cited (Backward Citations)

US1739885A Cited
US2548731A Cited
US2741712A Cited
US2958793A Cited
US3202849A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-01-30 1970-08-01 1971-01-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-01-30 1974-08-01 1975-01-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-01-30 1978-08-01 1979-01-31 $7700.00 Window Closed / Lapsed

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