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. 12, 1985
Filed:
Mar. 29, 1982
Applicant:
Inventors:
Takeo Suzuki, Kitakyushu, JP;
Itsuro Matsumoto, Kitakyushu, JP;
Yoshihiro Yurita, Kitakyushu, JP;
Hideharu Zenpo, Kitakyushu, JP;
Assignee:
Kabushiki Kaisha Yaskawa Denki Seisakusho, Fukuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H / ;
U.S. Cl.
CPC ...
74 96 ; 74 8921 ; 414-7 ; 901 21 ;
Abstract
In an arm operating device of an industrial robot, two chains are laid over the driving wheel provided in the supporting arm and the driven wheel provided in the bending arm, respectively, and are coupled through rigid transmission rods and a tension device to each other, and one of the transmission rods is rectangular in section, and is slightly pushed inwardly by a guide provided on the supporting arm, whereby the device operates positively and smoothly with being free from vibrations, and chain elongation and twist.