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. 25, 2020
Filed:
Jun. 13, 2016
Kabushiki Kaisha Pilot Corporation, Chuo-Ku, Tokyo, JP;
Tetsuhiro Kurita, Aichi, JP;
KABUSHIKI KAISHA PILOT CORPORATION, Tokyo, JP;
Abstract
The present invention is a direct liquid type of writing tool including a pen tip; a columnar ink absorbent body connected to a rear end of the pen tip; an ink tank arranged on the ink absorbent body; and a plurality of communicating tubes for connecting the absorbent body and the ink tank. A front end of each of the communicating tubes is located in the ink absorbent body, and has a sloped surface facing an outer periphery side of the absorbent body. Each of the communicating tubes has an opening in the sloped surface at the front end and each has a tip end region adjacent to the opening and extending more frontward than the opening, and the tip end region forms a pressing part configured to press inside of the absorbent body when each of the tubes is inserted frontward from a rear end of the absorbent body.