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:
Mar. 30, 1993
Filed:
Dec. 19, 1990
Applicant:
Inventors:
Masahito Uno, Kanagawa, JP;
Koichi Sugimoto, Hiratsuka, JP;
Ichiro Taniguchi, Yokohama, JP;
Katuhisa Tanaka, Ayase, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25J / ;
U.S. Cl.
CPC ...
414731 ; 414735 ; 4147444 ; 414917 ; 901-8 ; 901 15 ;
Abstract
A six-degree-of-freedom articulated robot mechanism includes a three-degree-of-freedom translation unit for adjusting the position. The translation unit includes an orientation maintaining mechanism which has a rotation articulation of the direct drive type connecting a drive motor directly to an arm, and a link mechanism. A three-degree-of-freedom rotation unit for adjusting the orientation includes three rotation articulators of the direct drive type connecting a drive motor directly to a table, and the axes of the three rotation articulators intersect one another at one point.