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.

Date of Patent:
Feb. 27, 2024

Filed:

Dec. 04, 2018
Applicant:

Shimadzu Corporation, Kyoto, JP;

Inventors:

Masaji Furuta, Kyoto, JP;

Kei Kodera, Kyoto, JP;

Kiyoshi Watanabe, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 7/06 (2006.01); H01J 49/04 (2006.01);
U.S. Cl.
CPC ...
H01F 7/064 (2013.01); H01J 49/0418 (2013.01);
Abstract

A movable-side magnet is provided to a movable portion in a vacuum chamber. A drive unit is provided outside the vacuum chamber, and drives the movable portion by exerting magnetic force on the movable-side magnet. The drive unit has a first magnet, a second magnet, and a moving mechanism (moving member). The first magnet exerts magnetic force of attracting the movable-side magnet. The second magnet is provided to be adjacent to the first magnet, and exerts magnetic force of repelling the movable-side magnet. The moving mechanism integrally moves the first magnet and the second magnet.


Find Patent Forward Citations

Furuta, Masaji. (2024). Drive device driving a movable portion in a vacuum chamber (U.S. Patent No. 11915865). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11915865

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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