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.:

US 9989427 B1

Date of Patent:

Jun. 05, 2018

Filed:

Nov. 04, 2014

Force sensor

Applicant:

Nsk Ltd., Tokyo, JP;

Inventors:

Seiichi Teshigawara, Kanagawa, JP;

Kazuteru Tobita, Kanagawa, JP;

Masaki Kuwahara, Kanagawa, JP;

Assignee:

NSK LTD., Tokyo, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Lisa Caputo

Assistant Examiner:

Philip Cotey

Int. Cl.

CPC ...

G01L 1/00 (2006.01); G01L 1/22 (2006.01); G01L 5/16 (2006.01); G01D 5/12 (2006.01); G01D 5/30 (2006.01);

U.S. Cl.

CPC ...

G01L 1/005 (2013.01); G01D 5/12 (2013.01); G01D 5/30 (2013.01); G01L 1/2206 (2013.01); G01L 5/166 (2013.01);

Abstract

A force sensor includes: a base; a first movable portion arranged to face the base; a second movable portion arranged to face the first movable portion; a support that is provided on the base and rockably supports the first movable portion and the second movable portion; a joint that is provided to the support and rotatably supports the second movable portion; and a first detection unit that can detect a force component causing the first movable portion and the second movable portion to rock and a second detection unit that can detect a force component causing the second movable portion to rotate, when external force is applied to at least one of the first movable portion and the second movable portion.

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