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. 23, 2025
Filed:
May. 24, 2023
Applicant:
Smc Corporation, Tokyo, JP;
Inventors:
Assignee:
SMC CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23Q 3/00 (2006.01); B25B 11/00 (2006.01);
U.S. Cl.
CPC ...
B25B 11/002 (2013.01);
Abstract
A magnetic chuck includes a first cylinder and a second cylinder that are arranged in series with each other. A first piston of the first cylinder includes a permanent magnet, and a piston rod connected to the first piston is inserted into a second piston of the second cylinder. A stopper that can abut against the second piston is fixed to the piston rod. The position of the stopper can be changed relative to the piston rod.