Patent ID: 7000470

Claim:
A wheel speed sensor comprising: a detection element having at least one lead, for detecting a wheel speed; at least one terminal portion connected to the lead of the detection element; a holder portion having a detection element fitting portion fitting the detection element therein and a terminal portion fitting portion fitting the terminal portion therein; an electric wire welded on the terminal portion; and a resin sealed portion sealing the holder portion in a state that the detection element and the terminal portion are held in the holder portion and the electric wire is connected with the terminal portion, wherein the detection element fitting portion and the terminal portion fitting portion are disposed such that the lead of the detection element is in proximity to a predetermined location of the terminal portion when the detection element and the terminal portion are fitted in the detection element fitting portion and the terminal portion fitting portion, respectively, and wherein the detection element fitting portion is a partially cutaway cylinder such that a main portion of the detection element fits in an interior thereof with no gap being formed between the interior and the main portion.