The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 08, 1990
Filed:
Mar. 21, 1989
TDK Corporation, Tokyo, JP;
Abstract
In a split bobbin designed to be rotatably mountable on a core and attached to a bobbin holding base after specific winding of coils, the split bobbin has collars at least at its both ends and cutout sections at least at two places in the outer periphery of these collars. In these cutout sections are provided lead terminal holding holes of specific depth in which rod-like lead terminals can be inserted. Furthermore, the present invention provides a coil device which includes a split bobbin having coil winding areas, winding end fastening members provided on an outer periphery, and collars provided with through holes connected to the winding end fastening members; a core produced of a magnetic material with the bobbin mounted in a split state; a winding wound on the bobbin in the winding areas, with its end wound on the winding end fastening members; and a bobbin holding base which supports the bobbin and the coil in a fitted state, and has lead terminals routed in the through holes of the collars to the winding end fastening members. In this winding end fastening members, the end of the coil is connected with the lead terminals.