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:
Jul. 13, 2021
Filed:
Apr. 11, 2019
Applicant:
Nabtesco Corporation, Tokyo, JP;
Inventor:
Masahiko Okuda, Hyogo, JP;
Assignee:
NABTESCO CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 2/64 (2006.01); A61F 2/68 (2006.01); A61F 2/70 (2006.01); A61F 2/76 (2006.01); A61F 2/50 (2006.01);
U.S. Cl.
CPC ...
A61F 2/644 (2013.01); A61F 2/70 (2013.01); A61F 2/76 (2013.01); A61F 2002/5006 (2013.01); A61F 2002/5084 (2013.01); A61F 2002/6863 (2013.01); A61F 2002/704 (2013.01); A61F 2002/762 (2013.01); A61F 2002/7625 (2013.01);
Abstract
A multi-articulated link knee joint includes: a knee unit in which an upper link unit rotates relative to a lower link unit by a multi-articulated link mechanism including a plurality of link units including the upper link unit and the lower link unit; a cylinder device for assisting the motion of the knee unit and moving in accordance with the rotation of the upper link unit; a position detector for detecting the distance from the lower link unit to the cylinder device; and an angle detector for obtaining the bending angle of the knee unit from the detected distance from the cylinder device.