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:
Jun. 23, 1987
Filed:
Sep. 18, 1985
Toyohide Hamada, Yokohama, JP;
Koichi Sugimoto, Hiratsuka, JP;
Kiyohide Koizumi, Tokyo, JP;
Shinichi Arai, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
There is disclosed in this application an industrial robot comprising: a first arm pivotally supported at its one end for rotation around a first axis; a second arm pivotally supported at its one end by the other end of the first arm for rotation around a second axis parallel to the first axis; a wrist mechanism carried by the free end of the second arm and having at least one degree of freedom; and driving motors for driving the first arm, the second arm and the wrist mechanism, respectively; wherein at least one of the first arm and the second arm is connected to the drive motor through a double link mechanism having a phase difference.