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:
Apr. 07, 2026

Filed:

Aug. 17, 2021
Applicant:

Kyb Corporation, Tokyo, JP;

Inventors:

Yoshifumi Kobayashi, Tokyo, JP;

Tomoyasu Abe, Tokyo, JP;

Toshihiro Mori, Tokyo, JP;

Naoaki Danshita, Kyoto, JP;

Masatoshi Iyatani, Kyoto, JP;

Kohei Doi, Kyoto, JP;

Assignee:

KYB Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F 9/46 (2006.01); F16K 31/06 (2006.01); H01F 7/16 (2006.01); H01F 7/08 (2006.01);
U.S. Cl.
CPC ...
H01F 7/1607 (2013.01); F16F 9/465 (2013.01); F16K 31/0648 (2013.01); F16K 31/0693 (2013.01); H01F 2007/086 (2013.01);
Abstract

A solenoid includes: a coil; a first fixed iron core disposed on an axial first-end side of the coil; a second fixed iron core disposed on an axial second-end side of the coil with a gap from the first fixed iron core; a tubular first movable iron core disposed between the first fixed iron core and the second fixed iron core: a second movable iron core having a tubular shape with a bottom, slidably inserted into the first movable iron core, disposed between the first fixed iron core and the second fixed iron core with a bottom portion facing the second fixed iron core; and a spring interposed between the first movable iron core and the first fixed iron core, and pressing the first movable iron core to the second fixed iron core side.


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