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. 07, 2002
Filed:
Jun. 22, 2000
NGK Spark Plug Co., Ltd., Aichi, JP;
Abstract
A sensor structure which reduces the resistance of insertion in the course of insertion of a metallic terminal member into the hollow portion of an oxygen detection element so as to enable smooth assembly and such that portions of the metallic terminal member become less susceptible to plastic deformation. An attachment portion of a metallic terminal member is in contact with the inner wall surface of a hollow portion of an oxygen detection element , directly or indirectly via another member, at opposite sides thereof located along the direction of contact. Also, a gap is formed between an attachment portion and the inner wall surface at opposite sides of the attachment portion located along the direction of gap formation. Thus, in the course of insertion of the metallic terminal member into the hollow portion of the oxygen detection element , the resistance of insertion decreases, whereby assembly can be performed smoothly, and portions of the metallic terminal member become less susceptible to plastic deformation, such as crushing, bending, or buckling.