Patent ID: 6688157
Filing Date: 2004-02-10
Classification: G01N

Abstract:
A gas sensor comprising:a housing having a base end; a sensor element inserted into the housing and fixed with respect to the housing, the sensor element having a base end; at least one terminal electrode provided on the base end of the sensor element; an atmosphere-side cover provided on the base end of the housing and having a base end and a front end; a resilient insulating member provided on the base end of the atmosphere-side cover, and having at least one first insertion hole; an insulator provided in the front end of the atmosphere-side cover and having at least one second insertion hole; a lead placed in the first insertion hole; a metal terminal placed in the second insertion hole and having a connecting portion electrically connected with the lead and a resilient contact portion electrically connected with the terminal electrode on the base end of the sensor element; and a metal member electrically connecting the metal terminal and the lead; wherein the resilient insulating member includes a first guide portion defining a front end of the first insertion hole and restricting motion of the lead, and the insulator includes a second guide portion defining a base end of the second insertion hole and restricting motion of the metal terminal, and wherein the first guide portion restricts motion of the metal member.