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:
Nov. 29, 1988
Filed:
Jun. 10, 1987
Applicant:
Inventors:
Fusaaki Kozawa, Ibaraki, JP;
Shigemi Igarashi, Ushiku, JP;
Koh Tsuji, Ebina, JP;
Tatenori Jinriki, Funabashi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25J / ; G05G / ;
U.S. Cl.
CPC ...
74479 ; 74640 ; 7466 / ; 901 23 ; 901 26 ; 901 29 ;
Abstract
The present invention relates to the wrist device of a robot which has a speed reducers built in a wrist portion and which attains three degrees of rotating freedom orthogonal to one another, and is characterized in that three transmission shafts penetrating through the interior of an arm are arranged in parallel with one another as power transmission means within the arm.