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:
Sep. 08, 2020
Filed:
Feb. 26, 2018
Smc Corporation, Chiyoda-ku, JP;
Ken Tamura, Noda, JP;
SMC CORPORATION, Chiyoda-ku, JP;
Abstract
A shaft coupling structure includes a stopper member attached to a piston rod so as to be relatively rotatable and has a plurality of engagement projections and a plurality of slot grooves. The plurality of engagement projections are inserted into the slot grooves, respectively, and include a plurality of inlet grooves and a plurality of inclined engagement grooves extending in a direction inclined from the circumferential direction. The piston rod and a piston member are coupled together through the stopper member so as to be relatively unmovable in the axial direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile