Transformer bobbin assembly

Details Transformer bobbin assembly Transformer bobbin assembly

1979-05-21

1981-03-17

Kozma, Thomas J.

Inductor devices

Winding with terminals, taps, or coil conductor end...

336208, H01F 1510, H01F 2730

Patent

active

042570271

ABSTRACT:
A transformer bobbin assembly comprising in combination an outer frame bobbin having outer frame flanges integrally secured thereto at both axial ends of an inner drum thereof, on which a primary coil is arranged, an inner frame bobbin having inner frame flanges integrally secured thereto at both axial ends of an outer drum thereof, on which a secondary coil is arranged, said outer drum of said inner frame bobbin being located in coaxial alignment with the inner drum of the outer frame bobbin so that the inner frame bobbin is mounted over the outer frame bobbin so as to surround the same. Protection covers are secured to the outer frame bobbin to cover the primary and secondary coils as well as the connected portions of the lead wires thereof to the outside circuit.
In a modified embodiment of the transformer bobbin assembly the inner frame bobbin is constructed of two bobbin segments which have a U shaped configuration, said bobbin segments being adapted to be displaced toward each other so as to be joined together to build an inner frame bobbin and thus surround the outer frame bobbin between the bobbin segments.

REFERENCES:
patent: 1360753 (1920-11-01), Johannesen
patent: 3652968 (1972-03-01), Johnston et al.
patent: 3781741 (1973-12-01), Weiner
patent: 3946350 (1976-03-01), Goto
patent: 4027279 (1977-05-01), Shigehana
patent: 4095206 (1978-06-01), Hishiki

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