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:
Nov. 08, 2022
Filed:
May. 28, 2019
Kyokutoh Co., Ltd., Aichi, JP;
Kotaro Nakajima, Aichi, JP;
Kyokutoh Co., Ltd., Aichi, JP;
Abstract
A compressed air introduction part () capable of introducing compressed air into an air passage () of a cylinder body () is provided. The compressed air introduction part () has a compressed air exit port () formed in the shape of a ring that extends circumferentially about a cylinder-center axis (C) of the cylinder body (). An annular protuberance surface portion () is formed on an inner circumferential surface forming the air passage () on an air blowout port () side of the compressed air exit port (), and a protuberance surface () of the annular protuberance surface portion () is shaped so as to extend from a peripheral edge portion of the air blowout port () side of the compressed air exit port () along the radial direction of the cylinder body () and to then gradually curve and extend toward the air blowout port () side.