Patent ID: 8191414

Claim:
A sensor extending in a front-rear direction from a front end to a rear end thereof, said sensor comprising: a sensor element extending in the front-rear direction of the sensor and comprising a plurality of electrode terminals; a plurality of terminal metal fittings pressed against and connected to respective electrode terminals of the sensor element; a terminal surrounding member made of an insulating material and having terminal holes in which the respective terminal metal fittings extend in the front-rear direction, so as to surround the plurality of terminal metal fittings; and a plurality of lead wires connected to the respective terminal metal fittings and which are led out from the rear end of the sensor to an outside thereof, wherein the terminal surrounding member is divided into a front side surrounding member and a rear side surrounding member in the front-rear direction, and a rear end face of the front side surrounding member abuts a front end face of the rear side surrounding member, wherein at least one of the terminal metal fittings comprises a protruding piece portion protruding in a lateral direction and held between the rear end face of the front side surrounding member and the front end face of the rear side surrounding member.