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US3566462A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for making toroid transformer

Assignee: Esquire Inc
•
Filing: 1969-01-23
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Granted: 1971-03-02
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Expires: 1989-01-23
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Abstract

Abstract APPARATUS AND METHOD ARE PROVIDED FOR MAKING A TRANSFORMER CORE OF TOROID SHAPE. THE APPARATUS INCLUDES A TEMPLATE TO WHICH PERFORMED TRANSFORMER COILS ARE DETACHABLY CONNECTED, A PLURALITY OF ROTATABLE ELONGATE POSTS EXTENDING THROUGH THE TEMPLATE AND ON ONE SIDE OF THE TEMPLATE SERVING TO SUPPORT STRIP MATERIAL FROM WHICH THE CORE IS CONSTRUCTED AND PROPERLY DIRECT SUCH MATERIAL INTO THE COILS, AND ON THE OTHER SIDE HAVING GEAR TEETH FOR RECEIPT OF A RING GEAR SO THAT THE POSTS MAY BE ROTATED IN UNISON. AN ALTERNATE EMBODIMENT PROVIDES GEARS MOUNTED IN HOUSINGS, WITH THE HOUSINGS OPERABLE BY SCREWS IN ELONGATE SLOTS, SO THAT THE GEARS ARE MOVED INWARDLY OR OUTWARDLY WITH RESPECT TO THE CENTER OF THE TEMPLATE. IN ANOTHER EMBODIMENT, ROTATABLE POSTS ARE PROVIDED WHICH ARE DISPOSED PERPENDICULAR TO THE CORE STRIP, AND UPON WHICH THE CORE STRIP RESTS FURING WINDING, IN ORDER TO PREVENT SLIPPAGE OF THE STRIP.

Inventors

  • 👤 Buell Moore

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 19:28
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/06; H01F41/08; H01F41/0206; H01F41/0213; H01F41/022; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071; Y10T29/53; Y10T29/5313; Y10T29/5317

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1974-03-01 1974-08-31 1975-03-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-03-01 1978-08-31 1979-03-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-03-01 1982-08-31 1983-03-02 $7700.00 Window Closed / Lapsed

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