Inductor devices – Coil or coil turn supports or spacers – Coil on a preformed support or mount
Reexamination Certificate
2005-01-27
2008-08-05
Mai, Anh T (Department: 2832)
Inductor devices
Coil or coil turn supports or spacers
Coil on a preformed support or mount
C336S212000, C336S198000
Reexamination Certificate
active
07408436
ABSTRACT:
A bobbin has a bobbin body capable of fitting into the inside of a winding, and a protrusion protruding from the outer peripheral surface of the bobbin body and capable of intervening between windings. Preferably, stopper means is further provided for preventing the bobbin from rotating. This means is a stopper piece which protrudes from the outer peripheral surface of the bobbin body substantially on the opposite side of the protrusion, and fits in a slit formed at a bend of the winding. The stopper means may have a flange extending from one end of the bobbin body, and a stopper protrusion protruding from a flange edge in a direction opposite to a direction in which the bobbin body extends, for engagement with a core. The protrusion may have a thickness dimension equal to or larger than a spacing between windings.
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English Translation of Japanese Office Action of PCT Application No. 2004--024319, , dated Mar. 31, 2004.
Mai Anh T
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
TDK Corporation
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