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. 21, 2002
Filed:
Jun. 26, 2000
Applicant:
Inventors:
Koichi Sato, Nagaoka, JP;
Naoki Sato, Nagaoka, JP;
Assignee:
Nippon Seiki Co., Ltd., Niigata, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F 2/300 ;
U.S. Cl.
CPC ...
G01F 2/300 ;
Abstract
A liquid level detection device having a contact portion or a conductor electrode withstanding degradation is provided. The liquid level detection device includes a moving element including a float and an arm operating according to the level in a fuel tank , a contact portion provided at a sliding body operating in synchronization with the movement of the moving element, and an insulating substrate provided with a conductor electrode which the contact portion slides on, and the contact portion is formed of an alloy free from Ag (silver).