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:
Jun. 09, 1981
Filed:
Mar. 30, 1979
Yoshiaki Fujinaka, Tokyo, JP;
Haruo Ohashi, Kawagoe, JP;
Masahito Miyazaki, Fujimi, JP;
Kenzi Mizuno, Tokorozawa, JP;
Fukuzi Kuwabara, Fujimi, JP;
Iwaki Co., Ltd., Tokyo, JP;
Abstract
In an electromagnetically-operated fixed displacement pump, a lubricating oil storage tank and a communicating hole with one end opening upon the bottom of the tank are formed in a pump body, the other end of the hole in the pump body communicating with one end of another communicating hole extending through a movable armature in the axial direction thereof, the other end of the communicating hole in the armature opening into an electromagnetic gap between a fixed armature and the movable armature.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile