Double insulated transformer and bobbin case thereof

Details Double insulated transformer and bobbin case thereof Double insulated transformer and bobbin case thereof

1989-10-31

1991-01-29

Kozma, Thomas J.

Inductor devices

With outer casing or housing

Exposed core portions

29606, 220339, 336 96, 336192, 336198, H01F 2702, H01F 2730

Patent

active

049889680

ABSTRACT:
A bobbin case for use in a transformer of the double-insulated type comprises an insulating member of tube-like shape, a partition wall disposed substantially normal to the axis of the insulating member so that the inner space of said insulating member is divided into two recesses for receiving primary and secondary winding assemblies, respectively, from the opposite directions along the axis of said insulating member, and a pair of insulating rims which extend from the outer end surfaces of the insulating member at the side of the recess for receiving the primary winding assembly. The pair of insulating rims are formed such that they are capable of being bent inwardly along the outer end surfaces so as to obtain a creeping distance between said primary winding and a core inserted into center holes in said winding assemblies. By using the bobbin case, the insertion of the primary and secondary winding assemblies can easily and efficiently be carried out.
A bobbin case according to another aspect of the invention is provided integrally with protecting legs for soldering portions between connected pins and terminal portions of the winding assemblies. The protecting legs are also utilized in hanging a transformer having the bobbin case.

REFERENCES:
patent: 1124122 (1915-01-01), Foyle
patent: 3048323 (1962-08-01), Stauffer
patent: 4230227 (1980-10-01), Kowall et al.
patent: 4716394 (1987-12-01), Gordon

Affiliated with

Also associated with

Rating

Double insulated transformer and bobbin case thereof does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Double insulated transformer and bobbin case thereof, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Double insulated transformer and bobbin case thereof will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-816443