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:
Feb. 03, 2004
Filed:
Jun. 20, 2002
Kenji Ogawa, Musashino, JP;
Neuberg Company Limited, Tokyo, JP;
Abstract
A fluid discharging device is provided with diaphragm members and . The diaphragm member being a valve member comprises an outlet and a suction passage opening and closing portion , and can be moved forward and backward relative to the diaphragm member being a pump member. The diaphragm member comprises an outlet opening and closing portion capable of opening and closing the outlet and a measuring portion capable of changing the volume of a measuring space . An outlet opening and closing means opens and closes the outlet by moving the outlet opening and closing portion backward and forward relative to the outlet , and opens a liquid suction passage by detaching the suction passage opening and closing portion from the diaphragm member . A diaphragm moving means changes the volume of the measuring space by moving the measuring portion forward and backward. The diaphragm member closes the liquid suction passage by pressing the suction passage opening and closing portion against the diaphragm member by its own elasticity.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile