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. 09, 2017
Filed:
May. 07, 2013
Ngk Spark Plug Co., Ltd., Nagoya-shi, Aichi-ken, JP;
Sadamitsu Harada, Nagoya, JP;
NGK SPARK PLUG CO., LTD., Aichi, JP;
Abstract
A glow plug () provided with heater (); tubular main metal shell () with shaft hole (); conductive member () extending in the shaft hole toward a rear end side GK; metal terminal member () with one part () positioned in the shaft hole and another part () protruding from a rear end () of the main metal shell toward the rear end side GK, the terminal member including an enclosing portion () opened toward a front end side GS housing a rear end portion () of the conductive member and having electrical continuity with the rear end portion, the terminal member being disposed in the shaft hole while spaced apart from an inner peripheral surfaceof the main metal shell; and sealing member () made of an insulator and airtightly sealing and insulating between the inner peripheral surface and the terminal member in the shaft hole.