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:
Jan. 21, 2003
Filed:
Aug. 22, 2001
Applicant:
Inventor:
Mitsuhisa Suzuki, Aichi, JP;
Assignee:
Imasen Engineering Corporation, Inuyama Aichi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 2/68 ; A61F 2/64 ;
U.S. Cl.
CPC ...
A61F 2/68 ; A61F 2/64 ;
Abstract
A knee joint structure has a five-joint link structure in which there are an upper link to which a thigh support part of an artificial limb is fixed; a lower link with which a foot part of the artificial limb is linked; a rear link for linking the upper and lower links and with each other; a main frontal link linked with the frontal of the upper link ; and an auxiliary frontal link for linking the main frontal link and the lower link with each other. In addition, there is provided an elastic element acting to increase an angle formed by the auxiliary frontal link and the lower link